US20140041096A1 - Non-slip finished glove and method for manufacturing the same - Google Patents

Non-slip finished glove and method for manufacturing the same Download PDF

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Publication number
US20140041096A1
US20140041096A1 US13/988,608 US201113988608A US2014041096A1 US 20140041096 A1 US20140041096 A1 US 20140041096A1 US 201113988608 A US201113988608 A US 201113988608A US 2014041096 A1 US2014041096 A1 US 2014041096A1
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United States
Prior art keywords
protrusions
coating layer
glove
main body
outer face
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Abandoned
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US13/988,608
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English (en)
Inventor
Nobuaki Takahashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Showa Glove Co
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Showa Glove Co
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Publication date
Application filed by Showa Glove Co filed Critical Showa Glove Co
Assigned to SHOWA GLOVE CO. reassignment SHOWA GLOVE CO. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: TAKAHASHI, NOBUAKI
Publication of US20140041096A1 publication Critical patent/US20140041096A1/en
Abandoned legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D19/00—Gloves
    • A41D19/0055—Plastic or rubber gloves
    • A41D19/0082—Details
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D19/00—Gloves
    • A41D19/015—Protective gloves
    • A41D19/01547—Protective gloves with grip improving means
    • A41D19/01558—Protective gloves with grip improving means using a layer of grip improving material
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D2500/00—Materials for garments
    • A41D2500/10—Knitted
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D2500/00—Materials for garments
    • A41D2500/50—Synthetic resins or rubbers
    • A41D2500/54—Synthetic resins or rubbers in coated form

Definitions

  • the present invention relates to a non-slip finished glove and a method for manufacturing the same.
  • a non-slip finished glove is used, such that workers wear it at factories; that workers wear at transportation works; and that drivers wear during driving.
  • a fiber glove with a plurality of protrusions made of rubber and the like fixed in a form of dispersed dots on an outer face of a palm region of a glove main body covering a wearer's hand has been known as such a non-slip finished glove.
  • non-slip finished glove (2) with the coating layer in the palm region although a friction force thereof is greater than that of a fiber glove with no non-slip finish, the friction force is not sufficient upon grip of an object such as a cardboard box, and therefore the glove has a problem that it is difficult to grip the object.
  • non-slip finished glove (3) disclosed in Japanese Unexamined Patent Application Publication No. 2000-328328, Japanese Registered Utility Model No. 3004374 and Unexamined Patent Application Publication No. S60-236737 the protrusions provided are buried in the coating layer.
  • the hard resin protrusions and the flexible resin film are both composed of vinyl chloride-based resins and the hard resin protrusions do not protrude from, and are buried in, the flexible resin film.
  • the non-slip finished glove cannot exert a sufficient friction force due to the protrusions (protrusions) buried in the resin.
  • the non-slip finished glove disclosed in Japanese Unexamined Patent Application Publication No. 2000-328328 and Japanese Registered Utility Model No. 3004374 has another problem of sweaty hands after long-time wearing thereof due to the coating layer which is air impermeable.
  • the non-slip finished glove disclosed in Japanese Unexamined Patent Application Publication No. S60-236737 the flexible film is foamed to provide air permeability; however, the foamed portion may be torn and drop off during use. In addition, there is a problem of requirement of an additional step for foaming.
  • the protrusions are provided on an outer face of the coating layer, the protrusions may easily drop off during use. Due to drop off of the protrusions after long-term use, a gripping force of the glove may be reduced.
  • the present invention has been made in view of the abovementioned inconveniences and is aimed at providing a non-slip finished glove that can prevent sweaty hands even after long-time wearing and can exert a sufficient friction force to firmly grip an object, in which the protrusions are fixed to a glove main body and do not easily drop thereby preventing a gripping force from being easily reduced even after long-term use, and a method for manufacturing thereof.
  • a non-slip finished glove includes: a glove main body made of fibers for covering a wearer's hand;
  • protrusions made of resin or rubber, the protrusions being fixed at least to a palm region of an outer face of the glove main body; and an air permeable coating layer that is laminated at least on a region other than the protrusions in the palm region of the outer face of the glove main body, wherein the protrusions protrude from an outer face of the coating layer.
  • the protrusions protrude from the outer face of the coating layer and portions of a plurality of protrusions can therefore grip an object.
  • the coating layer is provided in regions other than the protrusions, such as areas between the protrusions, so that the fibers of the glove main body are not exposed, and the glove can therefore exert a sufficient gripping force to firmly grip the object.
  • the coating layer is air permeable, sweaty hands can be prevented even after long-time wearing, the glove can be worn comfortably.
  • the protrusions project from an outer face of the coating layer includes: a state in which the protrusions stick out through the outer face of the coating layer to be exposed; and a state in which the coating layer forming material covers the outer faces of the protrusions while the protrusions protrude from an average interface of the outer face of the coating layer.
  • the “palm region” indicates a region on a face directed inward upon grip of an object, next to a wrist and extending fingertips (including fingers).
  • a base part of the protrusion impregnate at least in a superficial layer of the glove main body. This firmly fixes the protrusions onto the glove main body and can appropriately prevent the protrusions from dropping from the glove main body during use.
  • the non-slip finished glove it is preferable that a configuration is employed in which the glove main body is impregnated with a material composing the coating layer, and the coating layer appears on an inner face of the glove main body. This provides a sufficient friction force between the inner face of the non-slip finished glove and the wearer's palm and can appropriately prevent the non-slip finished glove from sliding on a hand during grip of an object.
  • the coating layer is not formed on the inner face of the glove main body and the fibers are exposed on the inner face of the glove main body, the fibers on the inner face of the glove main body are in contact with the wearer's palm, exerting only an insufficient friction force therebetween, and, during grip of an object, sliding of the glove main body on the hand, in a direction of slipping off from the hand, is likely.
  • the wearer's palm is brought into contact with the coating layer, exerting a sufficient friction force therebetween. This can appropriately prevent the non-slip finished glove from sliding on a hand during grip of an object, so as to allow a firm grip of the object.
  • the non-slip finished glove it is preferable that a configuration is employed in which the material composing the coating layer is non-penetrable with respect to the protrusions.
  • This can, in manufacture of the non-slip finished glove, for example upon applying a material composing the coating layer to a range in the palm region including the protrusions fixed in advance to the glove main body, prevent the coating layer from being formed on an outer face of the protrusions.
  • manufacture by the above described methods may lead to the coating layer being thickly formed on the outer face of the protrusions.
  • the material composing the coating layer is non-penetrable with respect to the protrusions, no coating layer or only a relatively thin coating layer is formed on the outer face of the protrusions, and therefore it is possible to firmly grip an object by the plurality of protrusions.
  • non-penetrable material is required not to penetrate to the protrusions within a time period required for the above described manufacture.
  • a material that penetrates to the protrusions after a period longer than the time period required for the manufacture is also within a technical scope of being “non-penetrable”.
  • the material composing the protrusions contains a vinyl chloride resin or a vinyl chloride-vinyl acetate copolymer resin as a main component and the material composing the coating layer contains polyurethane as a main component
  • the material composing the coating layer is non-penetrable with respect to the protrusions.
  • the material composing the protrusions can also contain a plasticizer, a stabilizer and the like, in such a case, the above described “main component” indicates a material that is greatest in amount among resin materials except for these additives.
  • the “main component” in the material composing the coating layer indicates a material that is greatest in amount among rubber materials.
  • non-slip finished glove it is preferable that a configuration is employed in which the protrusions are formed in hollow shapes. This makes the protrusions easily deform upon grip of an object. Such deformation increases a contact area between the protrusions and the object, so as to provide a greater friction force.
  • the present invention is also characterized by the following aspects.
  • a method for manufacturing a non-slip finished glove comprises:
  • a protrusion forming step to apply a protrusion forming material that contains a resin or rubber as a main component to a plurality of sites at least in a palm region of an outer face of a glove main body made of fibers for covering a wearer's hand; and a coating layer forming step to form a coating layer at least in a region other than the protrusions in the palm region of the outer face of the glove main body, in such a way that an outer face of the coating layer is positioned lower than the protrusions, in which the coating layer forming step includes:
  • a coating layer material laminating step to laminate onto the glove main body, a coating layer forming material that contains a resin or rubber as a main component and a solvent; and a pore forming step to extract the solvent in the coating layer forming material laminated.
  • the non-slip finished glove manufactured by the manufacturing method can prevent sweaty hands even after long-time wearing due to the coating layer that is air permeable, and can exert a sufficient gripping force to firmly grip an object by the protrusions and the coating layer as described above.
  • the non-slip finished glove can prevent sweaty hands even after long-time wearing and can exert a sufficient gripping force to firmly grip an object.
  • the protrusions are fixed to a glove main body and do not easily drop, reduction in the gripping force after long-term use can be alleviated.
  • FIG. 1 is an explanatory diagram illustrating a worn state of a non-slip finished glove viewed from a front face side (palm side) according to an embodiment of the present invention
  • FIG. 2 is an explanatory diagram illustrating the worn state of the non-slip finished glove of FIG. 1 viewed from a back face side (back-of-hand side);
  • FIG. 3 is an explanatory diagram schematically illustrating an enlarged cross-section of a main part (protrusions) of the non-slip finished glove of FIG. 1 ;
  • FIG. 4 is an electron micrograph corresponding to FIG. 3 ;
  • FIG. 5 is an explanatory diagram schematically illustrating a modification of FIG. 3 ;
  • FIG. 6 is a flow chart showing a method for manufacturing the non-slip finished glove of FIG. 1 ;
  • FIG. 7 is a schematic front view illustrating the non-slip finished glove according to another embodiment of the present invention.
  • FIG. 8 is a table showing results of tests of moisture permeability and the like in Example 1.
  • FIG. 9 is a table showing results of tests of kinetic coefficients of friction and the like in Examples 1 and 2.
  • a non-slip finished glove 1 of FIG. 1 includes: a glove main body 3 made of fibers for covering a wearer's hand; a plurality of protrusions 5 that is fixed in a form of dispersed dots to a palm region of an outer face of the glove main body 3 ; and a coating layer 7 that is laminated on the palm region of the outer face of the glove main body 3 .
  • the glove main body 3 is formed in a glove shape by knitting fibers composed of woolly nylon and the like and is air permeable.
  • a fabric of the glove main body 3 can be appropriately 0.6 mm in thickness, and preferably at least 0.2 mm and no greater than 1.0 mm, and more preferably at least 0.4 mm and no greater than 0.8 mm, in a center part of palm.
  • the thickness smaller than the abovementioned lower limit reduces strength of the glove main body 3
  • the thickness greater than the abovementioned upper limit reduces workability during use.
  • the thickness can be, for example, an average of results of measurements in five sites by using a dial thickness gauge DS-1211 (trade name) (manufactured by Niigata Seiki Co., Ltd.).
  • the fiber composing the glove main body 3 is not limited to woolly nylon and various fibers can be employed.
  • the glove main body 3 can also be made of organic fibers such as: polyester; cotton; rayon; acrylic; aramid; high strength polyethylene; polyurethane; and the like, as well as stainless fiber and glass fiber.
  • the fiber composing the glove main body 3 is preferably a long fiber of nylon and polyester.
  • the fiber composing the glove main body 3 is preferably: para-aramid (paraphenylene terephthalamide, for example Kevlar (trade name) (manufactured by DuPont)); high strength polyethylene (for example Dyneema (trade name) (manufactured by Toyobo Co., Ltd.)); a composite fiber including metallic thin wire or glass fiber; and the like.
  • para-aramid paraphenylene terephthalamide, for example Kevlar (trade name) (manufactured by DuPont)
  • high strength polyethylene for example Dyneema (trade name) (manufactured by Toyobo Co., Ltd.)
  • a composite fiber including metallic thin wire or glass fiber and the like.
  • the fiber composing the glove main body 3 the above listed fibers can be used singly or in combination.
  • a method for forming a glove shape for instance, a seamless knitting method that knits a glove without a seam can be employed, and alternatively, for instance, a method of sewing a fabric composing a back-of-hand part and a fabric composing a palm part to obtain a glove shape can be employed.
  • a cuff portion 3 a of the glove main body 3 is stretchable in a peripheral direction and thus configured to be extendable and shrinkable in a radial direction.
  • a portion on a fingertip side of the cuff portion 3 a of the glove main body 3 is also stretchable in the peripheral direction and thus configured to be extendable and shrinkable in the radial direction.
  • the cuff portion 3 a preferably has greater stretchability than that of other portions (portions next to the cuff portion 3 a on the fingertip side) and is configured to be smaller in diameter in a shrunk state than an expected wearer's wrist, thereby providing superior close-fitting properties during wearing.
  • the plurality of protrusions 5 is formed on an entire area of the palm region of the glove main body 3 .
  • the protrusions 5 can be formed only in a limited area of the palm region, for example only in a finger area of the palm region or in an area (flat part) other than the finger area of the palm region.
  • the plurality of protrusions 5 which are provided in a form of dispersed dots is provided in a manner substantially evenly spread in a formation region of the protrusions 5 (entire area of the palm region).
  • each of the protrusions 5 is configured in a substantially circular granular shape in a front view (the palm region is viewed from a vertical direction).
  • the protrusion 5 is configured to be approximately 2 mm in diameter.
  • the diameter of the substantially circular protrusion 5 is preferably at least 1.0 mm and no greater than 8.0 mm, and more preferably at least 1.5 mm and no greater than 5.0 mm.
  • the diameter smaller than the above specified lower limit makes the gripping force of the protrusion 5 insufficient and the diameter greater than the above specified upper limit reduces the air permeability in the vicinity of the protrusion 5 and makes the wearer's hand sweaty.
  • a proportion of a total area of the plurality of protrusions 5 to an area of the formation region of the protrusions 5 is preferably at least 1% and no greater than 80%, and more preferably at least 5% and no greater than 50%.
  • the proportion smaller than the above specified lower limit makes the gripping force of the protrusions 5 insufficient and the proportion greater than the above specified upper limit reduces the air permeability of the palm region and makes the wearer's hand sweaty.
  • each of the protrusions 5 is configured in a substantially semielliptical shape having a cross-section (a face obtained by vertically cutting the palm region) narrowing from the base part to a tip end (outer face side).
  • the base part of the protrusion 5 is impregnated in a superficial layer of the glove main body 3 . This allows firm fixation of the protrusions 5 to the glove main body 3 and can appropriately prevent the protrusions 5 from separating from the glove main body 3 .
  • FIG. 3 only illustrates the protrusion 5 and not the glove main body 3 in the base part of the protrusion 5 , the protrusion 5 and the fibers of the glove main body 3 are both present in the base part.
  • the base part of the protrusion 5 impregnates into gaps between the fibers of the glove main body 3 .
  • the base part of the protrusions 5 is preferably impregnated in the superficial layer of the glove main body 3 by at least 50 ⁇ m, and more preferably by 100 ⁇ m.
  • a degree of the impregnation smaller than the above specified lower limit cannot make the fixation of the protrusions 5 to the glove main body 3 firm.
  • An upper limit of the degree of the impregnation is the thickness of the glove main body 3 . There may be a case in which some of the plurality of protrusions 5 has the base parts not impregnated in the superficial layer of the glove main body 3 .
  • the protrusions 5 provided in areas corresponding to phalanges (areas corresponding to fingers and an area in the flat part corresponding to bases of fingers), among the plurality of protrusions 5 , are impregnated in the superficial layer of the glove main body 3 as described above.
  • the protrusion 5 is formed in a hollow shape. More specifically, the protrusion 5 preferably has a hollow part 5 a formed thereinside. It should be noted that such a hollow part 5 a may be provided in each of the plurality of protrusions 5 or may be provided in only some of the plurality of protrusions 5 . However, it is preferable that at least a half of the protrusions 5 provided in areas corresponding to phalanges, among the plurality of protrusions 5 , are formed in hollow shapes.
  • the protrusions 5 are provided to protrude from the outer face of the coating layer 7 . It should be noted that, in the present invention, although the protrusions 5 can be provided to protrude the outer face of the coating layer 7 to thereby become exposed, in the present embodiment, a thin film of the coating layer 7 covers an outer face of the protrusions 5 while the protrusions 5 protrude from an average interface of the outer face of the coating layer 7 , as shown in FIG. 3 .
  • a height of protrusion of the protrusions 5 with respect to the outer face of the coating layer 7 is preferable at least 0.02 mm and no greater than 0.50 mm, and more preferably at least 0.04 mm and no greater than 0.40 mm.
  • the height smaller than the above specified lower limit makes the gripping force of the protrusions 5 insufficient and the height greater than the above specified upper limit makes the protrusions 5 damageable upon grip of an object. Even a case in which a part of the plurality of protrusions 5 do not protrude from the outer face of the coating layer 7 is within an intended scope of the present invention. However, it is preferable that at least a half of the protrusions 5 provided in the areas corresponding to phalanges, among the plurality of protrusions 5 , are provided to protrude from the coating layer 7 .
  • the protrusions 5 are made of a resin or rubber and formed to be elastically deformable.
  • the protrusions 5 are formed by attaching a liquid protrusion forming material in a form of dispersed dots to an outer face of the glove main body 3 and then curing the material.
  • the resin or rubber as a material for the protrusions 5 can be appropriately selected from conventionally known materials, for example: natural rubber; nitrile butadiene rubber; silicone elastomer; acrylic rubber; acrylic elastomer; polyurethane rubber; polyurethane elastomer; and the like.
  • a synthetic resin such as a vinyl chloride resin is preferable.
  • a synthetic resin such as a vinyl chloride resin, which produces less volume change between before and after the curing in a forming process compared to latex rubber and the like, adjustment of size (for example, the height of protrusion) of the protrusion 5 becomes easy and certain, making manufacture of the glove easy and certain.
  • the vinyl chloride resin employed as a resin composing the protrusions 5 may be: a soft vinyl chloride resin; a vinyl chloride resin; or a vinyl chloride-vinyl acetate copolymer resin.
  • a soft vinyl chloride resin As such resins, PSM-30 (trade name, manufactured by Kaneka Corporation), PSH-31 (trade name, manufactured by Kaneka Corporation), PCH-843 (trade name, manufactured by Kaneka Corporation) and the like can be exemplified.
  • the material for the protrusions 5 can also contain known plasticizer, stabilizer, thickening agent, coloring agent and the like.
  • plasticizer a phthalate ester plasticizer; an adipate ester plasticizer; a citrate ester plasticizer; a benzoate ester plasticizer; a polyester plasticizer; an acrylic copolymer plasticizer; and the like can be exemplified.
  • An amount of the plasticizer to be added is preferably at least 90 parts by mass and no greater than 180 parts by mass, more preferably at least 120 parts by mass and no greater than 160 parts by mass, relative to 100 parts by mass of the resin.
  • the amount smaller than the above specified lower limit makes the protrusions 5 rigid and makes the gripping force of the protrusions 5 insufficient; and the amount greater than the above specified upper limit makes the protrusions 5 excessively soft and makes the protrusions 5 damageable upon grip of an object.
  • the thickening agent is added for viscosity adjustment.
  • the viscosity (V2 viscosity) of a material composing the protrusions 5 measured by a BH type viscometer is preferably at least 100,000 mPa ⁇ s and no greater than 1,500,000 mPa ⁇ s, and more preferably at least 200,000 mPa ⁇ s and no greater than 1,000,000 mPa ⁇ s.
  • the viscosity lower than the above specified lower limit makes fluidity of the material excessively high and may make the protrusions 5 flat.
  • the viscosity higher than the above specified upper limit may cause air bubbles to form in the material and unintentionally form concavities and the like on the outer face of the protrusions 5 .
  • the viscosity higher than the above specified upper limit makes the material for the protrusions 5 difficult to flow into the punched holes on the masking plate and may make it difficult to form the protrusions 5 as desired.
  • the coating layer 7 is laminated at least on a region other than the protrusions 5 in the palm region of the outer face of the glove main body 3 .
  • the coating layer 7 is formed in such a way that a liquid coating layer forming material composing the coating layer 7 is laminated onto an entire area of the palm region including the protrusions 5 and then the material is cured.
  • the coating layer 7 is provided in a so-called non coated back manner, in which the coating layer 7 is formed not only in the palm region of the glove main body 3 but also in the periphery of a back-of-hand region (a region next to a wrist and extending to fingertips on a face directed outward upon grip of an object) which is on an opposite side of the palm region as shown in FIG. 2 , but not in a central part of the back-of-hand region.
  • the coating layer 7 may be provided in an area from fingertips to the bases of fingers in the back-of-hand region, for protection of a hand.
  • the coating layer 7 is configured to be porous and air permeable.
  • the material composing the coating layer 7 latex or vinyl chloride sol that are machine foamed, latex or vinyl chloride sol that include a chemical foaming agent, and the like may be used.
  • a machine foamed material is high in viscosity and may make the coating layer 7 high in thickness and the protrusions 5 buried in the coating layer 7 .
  • thickness control of a foamed layer is difficult and the protrusions 5 may also be buried in the coating layer 7 .
  • a desired coating layer 7 can easily and infallibly be formed.
  • the polyurethane solution for wet processing that is low in viscosity can make the coating layer 7 a relatively thin layer and can facilitate protrusion of the protrusions 5 from the outer face of the coating layer 7 .
  • a polyurethane resin for wet processing dissolved in DMF N,N-dimethylformamide
  • the polyurethane resin for wet processing for example CRISVON 8006 HVLD (trade name, manufactured by DIC Corporation) can be employed.
  • the coating layer 7 is provided such that, in a region in which the protrusions 5 are not formed (regions between the plurality of protrusions 5 ), an interface (outer surface) thereof is positioned more on an outer face side than an outer surface (surface of the superficial layer) of the glove main body 3 . More specifically, a superficial layer of the coating layer 7 that is positioned more on an outer face side than the outer face of the glove main body 3 is provided, for example, in a thickness of 0.23 mm (a distance between the outer face of the glove main body 3 to the outer face of the coating layer 7 ).
  • the thickness of the superficial layer of the coating layer 7 is preferably at least 0.05 mm and no greater than 0.80 mm and more preferably at least 0.10 mm and no greater than 0.40 mm.
  • the thickness smaller than the above specified lower limit makes formation of the superficial layer of the coating layer 7 difficult and the thickness greater than the above specified upper limit may give a rough sensation to a wearer.
  • the coating layer 7 is provided to appear on an inner face of the glove main body 3 .
  • the coating layer 7 is provided on a face in contact with the wearer's palm.
  • an inner face side of a region in which the protrusion 5 is formed of the glove main body 3 is also impregnated with the material composing the coating layer 7 .
  • the coating layer 7 is provided in close contact with an outer periphery of an buried part of the protrusion 5 .
  • the buried part of the protrusion 5 is a part of the protrusion 5 that is positioned more on an inner face side than the superficial layer of the coating layer 7 (a non protruding part of the protrusion 5 ).
  • a main component of a rubber material composing the coating layer 7 is non-penetrable with respect to the protrusions 5 .
  • the coating layer 7 is not easily formed on the outer surface of the protrusion 5 , or the coating layer 7 formed on the outer surface of the protrusion 5 can be made a relatively thin film.
  • moisture permeability between the outer face and the inner face on a palm side is preferably at least 1000 g/m 2 ⁇ 24 h and no greater than 15000 g/m 2 ⁇ 24 h, and more preferably at least 4000 g/m 2 ⁇ 24 h and no greater than 12000 g/m 2 ⁇ 24 h. Because the moisture permeability lower than the above specified lower limit causes a problem of sweaty hands after long-time, wearing and the moisture permeability higher than the above specified upper limit makes the coating layer 7 insufficient so that a sufficient gripping force thereof can not be achieved. It should be noted that the above discussed moisture permeability is a numerical value measured according to JIS-L-1099A (moisture permeability testing method for fiber products).
  • the protrusions 5 protrude from the outer face of the coating layer 7 , a gripping force acts more appropriately on the plurality of protrusions 5 upon grip of an object.
  • the protrusions 5 are provided to be elastically deformable, the protrusions 5 deform appropriately upon grip and such deformation increases a contact area between the protrusions 5 and the object, thereby obtaining a sufficient gripping force.
  • the protrusions 5 are formed in hollow shapes, the above described deformation can be caused more easily and more sufficient gripping force can be obtained.
  • the coating layer 7 is not easily formed on the outer face of the protrusion 5 . Since no coating layer 7 , or only a relatively thin coating layer 7 , is formed on the outer surface of the protrusion 5 , the protrusions 5 can deform appropriately upon grip of an object to exert a sufficient gripping force. In a case in which no coating layer 7 is formed on the outer face of the protrusions 5 , the protrusions 5 are brought into direct contact with the object and a friction force (gripping force) can be obtained between the material (resin) composing the protrusions 5 and the object.
  • the coating layer 7 formed thereon is thin and may remove from and expose the protrusions 5 during use or the like.
  • the friction force can thus be obtained between the material composing the protrusions 5 and the object as described above.
  • a friction force can be obtained in contact with the material of the protrusions 5 that is different from that of the coating layer 7 and can exert an appropriate gripping force for various objects.
  • the coating layer 7 employing the same material as that of the protrusions 5 or employing a material with high adhesiveness with respect to the protrusions 5 may generally be conceived for preventing the protrusions 5 from dropping off.
  • the coating layer may be formed thickly on the outer face of the protrusions 5 and the protrusions 5 may easily be buried in the coating layer 7 .
  • the coating layer forming material is high in viscosity and the protrusions 5 may easily be buried in the coating layer 7 as described above. Given this, a configuration of the present non-slip finished glove in which the protrusions 5 protrude from the coating layer 7 is remarkable, and the configuration provides an effect of exerting an appropriate gripping force.
  • the protrusions 5 firmly adhere to the glove main body 3 and dropping off of the protrusions 5 from the glove main body 3 during use can be appropriately prevented.
  • the coating layer 7 is provided in close contact with the outer periphery of the buried part of the protrusion 5 , dropping off of the protrusions 5 can be prevented even more effectively.
  • the protrusions firmly adhere to the glove main body and do not easily drop off from the non-slip finished glove. This can prevent the reduction in gripping force after long-term use.
  • the coating layer 7 is thus provided to surround the outer periphery of the buried part of the protrusions 5 , upon grip of an object, the protrusions 5 lift a first end side of the fabric of the glove main body 3 toward an outer face side, with restricting the movement of the base part away from the wearer's palm.
  • the protrusions 5 are simply provided on the glove main body 3 without the coating layer 7 , when a force in a planar direction of the palm (for example in a direction toward fingertips) is applied to the protrusions 5 upon grip of an object, the protrusions 5 pull the first end side (cuff side) of the glove main body 3 toward the outer face side and move the base parts of the protrusions 5 away from the palm. This may hinder an appropriate gripping force from acting.
  • the coating layer 7 is provided in close contact with the outer periphery of the buried part of the protrusions 5 .
  • the glove main body 3 with the coating layer 7 is greater in rigidity than a simple glove main body 3 . This can prevent the first end side of the glove main body 3 and the coating layer 7 from being lifted toward the outer face side, allowing an appropriate gripping force to exert.
  • the coating layer 7 is provided also on the inner face of a region in which the protrusion 5 is formed of the glove main body 3 (region immediately below the base part), the coating layer 7 supports the protrusions 5 not only from the periphery but also from the inner face (lower face). This can prevent the above described movement of the protrusions 5 away from the palm even more efficiently, allowing an appropriate gripping force to exert.
  • the coating layer 7 is provided in regions other than the protrusions 5 and the fibers of the glove main body 3 are not exposed. This allows the coating layer 7 to exert a sufficient gripping force to firmly grip an object.
  • the coating layer 7 appears on the inner face of the glove main body 3 . This provides a sufficient friction force between the inner face of the non-slip finished glove 1 and the wearer's palm, and can appropriately prevent the non-slip finished glove 1 from sliding on a hand during grip of an object.
  • the coating layer 7 is air permeable and therefore prevents the wearer's hand from being sweaty. Specifically, the coating layer 7 is provided in non coated back manner and therefore prevents the wearer's hand from being sweaty.
  • a manufacturing method of the non-slip finished glove 1 of the present embodiment configured as described above is outlined hereinafter; however, the manufacturing method according to the present invention is not limited thereto. In addition, in the following explanation of the manufacturing method, descriptions overlapping with those of the above discussed non-slip finished glove may be omitted.
  • the manufacturing method includes: a glove forming step S 1 of forming the glove main body 3 made of fibers for covering a wearer's hand; a protrusion forming step S 2 of applying the protrusion forming material that contains a resin as a main component in a form of dispersed dots in the palm region of the glove main body 3 thus formed; and a coating layer forming step S 3 of forming the coating layer 7 in the palm region of the glove main body 3 with the protrusions 5 thus formed, in such a way that an outer face (average interface) thereof is positioned lower than the protrusions 5 .
  • the glove forming step S 1 is a step of forming the glove main body 3 by knitting fibers made of woolly nylon and the like into a glove shape.
  • the protrusion forming step S 2 is a step of obtaining the glove main body 3 with the protrusions 5 adhering thereto by: placing a masking plate onto the palm region of the glove main body 3 formed by the glove forming step S 1 ; filling punched holes provided on the masking plate with the material composing the protrusions 5 to thereby apply the material onto the glove main body 3 ; removing the masking plate from the palm region of the glove main body 3 ; and heating the glove main body 3 with the material of the protrusions 5 applied thereto.
  • the outer peripheral part of the protrusion 5 separates from the masking plate, inclines toward the center, and drops under its own weight. This combines a plurality of outer peripheral parts to form the hollow part 5 a inside the protrusion 5 .
  • the coating layer forming step S 3 further includes: a coating layer material laminating step S 31 of laminating the coating layer forming material that contains a resin or rubber as a main component and a solvent onto the glove main body 3 ; and a pore forming step S 32 of extracting the solvent in the coating layer forming material laminated onto the glove main body 3 .
  • the coating layer material laminating step S 31 is a step of putting the glove main body 3 onto a hand mold and immersing the palm region of the glove main body 3 in the coating layer forming material.
  • the pore forming step S 32 is a step of making the coating layer 7 porous by placing the glove main body 3 in a hot water bath longer than a certain time in order to replace the solvent in the coating layer forming material having impregnated into the glove main body 3 with water, and then drying.
  • the non-slip finished glove 1 with the abovementioned advantages can be manufactured.
  • protrusion 5 is not particularly limited in shape and various shapes can be selected for the protrusions 5 .
  • providing a plurality of protrusions 5 in elongated rectangular shapes as shown in FIG. 7 is also within an intended scope of the invention of the present application.
  • the material composing the protrusions and the material composing the coating layer are preferably selected such that the material composing the coating layer is non-penetrable with respect to the protrusions, as is already described. More specifically, in a case of employing vinyl chloride resin as the material composing the protrusions, it is preferable to employ polyurethane rubber or polyurethane elastomer as the material composing the coating layer. In a case of employing silicone elastomer as the material composing the protrusions, it is preferable to employ polyurethane rubber, polyurethane elastomer, natural rubber, or nitrile butadiene rubber as the material composing the coating layer.
  • the viscosity of the protrusion forming material measured by using a BH type viscometer manufactured by TOKIMEC INC. (currently TOKI SANGYO Co., Ltd) was 700,000 mPa ⁇ s.
  • a polyurethane resin for wet processing (trade name: CRISVON 8006 HVLD (manufactured by DIC Corporation)) was dissolved in DMF to prepare the coating layer forming material.
  • the solid content concentration was adjusted to be 10% by mass of the coating layer forming material.
  • the glove main body was placed on a flat board and a masking plate was placed on the glove main body.
  • the masking plate used herein was 0.50 mm in thickness and provided with a plurality of punched holes of which inner diameter was 2 mm.
  • the above described protrusion forming material was then supplied from an upper face of the masking plate to fill the punched holes on the masking plate with the protrusion forming material. More specifically, the protrusion forming material was placed on the upper face of the masking plate and the protrusion forming material was scraped into the punched holes with a spatula.
  • the masking plate was then lifted away from an upper face of the glove main body. Thereafter, the flat board was heated at 180° C. for 10 minutes to thereby cure the protrusion forming material attached in a form of dispersed dots to the glove main body and form the protrusions.
  • the glove main body with the protrusions formed thereon was removed from the flat board, put onto a hand mold, and immersed in the coating layer forming material. This immersion process was performed in such a way that a palm region of the glove main body is immersed in the coating layer forming material while avoiding a back-of-hand region, which is a reverse face of the palm region, from being immersed as much as possible.
  • the glove main body in which the palm region was thus impregnated with the coating layer forming material was then immersed in a water bath of 50° C. for 40 minutes.
  • the glove was dried at 120° C. for 30 minutes, followed by removing the glove from the hand mold, thereby obtaining the non-slip finished glove of Example 1.
  • a micrograph of FIG. 4 shows the protrusion of the non-slip finished glove of Example 1.
  • Comparative Example 1 only a coating layer, without protrusions, was formed on a glove main body. Palm Pit B0500 (trade name) (manufactured by Showa Glove Co.) was used as Comparative Example 1.
  • Comparative Example 2 a coating layer was first formed on a glove main body and protrusions were formed on the coating layer. It should be noted that the same glove main body, the same coating layer forming material, and the same protrusion forming material as those of Example 1 were used.
  • Comparative Examples 6 and 7 only a coating layer made of natural rubber, without protrusions, was formed on a glove main body.
  • 340 Fitto Gurippu [fit grip](trade name) (manufactured by Showa Glove Co.) was used as Comparative Example 6; and 310 Grip (trade name) (manufactured by Showa Glove Co.) was used as Comparative Example 7.
  • Moisture permeability of a palm region side of the glove was measured in Example 1 and Comparative Examples 1 to 7, respectively.
  • the moisture permeability was measured by a method according to JIS-L-1099A-1, under conditions of 40° C. in temperature and 90% in humidity.
  • Example 1 An abrasion test was conducted for Example 1 and Comparative Examples 1 to 7, respectively, using a Gakushin-Type Rubbing Tester (a rubbing tester for color fastness RT-200 (manufactured by DAIEI KAGAKU SEIKI MFG. Co., Ltd.)) by reciprocating a sample of 20 ⁇ 40 mm adhered to a rubbing head (rubbed face: 20 ⁇ 20 mm) for 150 times on abrasive paper (WATER PROOF ABRASIVE PAPER #1500 DCC CC-Cw (manufactured by SANKYO-RIKAGAKU Co., Ltd.)) with 500 g load on the rubbing head, and then measuring abrasion loss.
  • a Gakushin-Type Rubbing Tester a rubbing tester for color fastness RT-200 (manufactured by DAIEI KAGAKU SEIKI MFG. Co., Ltd.)
  • abrasive paper WATER PROOF ABRASIVE PA
  • Example 1 A kinetic coefficient of friction was measured in Example 1 and Comparative Examples 1 to 7, respectively, according to ASTM D1894-01 Standard in such a way that: a sample was adhered to a sled of 200 g in weight and 63.5 ⁇ 63.5 mm in rubbed face to entirely cover the rubbed face; and then a kinetic coefficient of friction was measured under 150 mm/min pulling speed on a horizontal test plate.
  • the inner faces of the non-slip finished gloves of Example 1 and Comparative Examples 1 and 2 showed extremely high kinetic coefficients of friction, allowing exertion of a sufficient friction force between the inner face of the non-slip finished glove and the palm during wearing to thereby appropriately prevent the non-slip finished gloves from sliding on a hand during grip of an object.
  • Example 1 and Comparative Examples 1 to 7 were evaluated by testers actually wearing the non-slip finished gloves and lifting a box of 3.0 kg (a stainless steel box or a cardboard box) by pressing opposite side faces of the box between the tester's palms and lifting the box.
  • An outer face, an inner face, and overall grip properties of the non-slip finished gloves were rated as: A (very good); B (good); C (moderate); D (poor).
  • FIG. 8 shows averages of evaluations made by 5 testers.
  • Example 1 A pure bending test was conducted for Example 1 and Comparative Examples 1 to 7, by: obtaining a sample of 6 cm in width from the palm region of the non-slip finished glove; and, using a pure bending tester KES-FB2 (manufactured by KATO TECH CO., LTD.), making measurements for 5 times by bending the sample in a direction of clenching under conditions of SENS50 and bending of 2 cm ⁇ 1 and obtaining an average thereof.
  • a smaller B value (softness) and a smaller 2H 8 value (return force) both indicate softer texture.
  • Example 1 and Comparative Examples 1, 4 and 5 were soft and not likely to give a rough sensation to a wearer upon wearing.
  • Example 1 and Comparative Example 2 A test of fixation strength of protrusions was conducted for Example 1 and Comparative Example 2, according to EN ISO12947-1, using Nu-Martindale AA-K01 (manufactured by James H. Heal & co. Ltd.) as a test apparatus, by counting the number of dropped protrusions after rubbing for 50 times and 100 times (44 protrusions and 50 protrusions were fixed to a sample of Example 1 and a sample of Comparative Example 2 respectively).
  • Abrasive paper used here was NORTON Oakey 117 Cabinet Quality Glasspaper grit 100 GRADE F2 (manufactured by Saint-Gobain Abrasives, Inc.).
  • Example 2 was configured substantially similarly to Example 1, except for the height of protrusion of the protrusions. More specifically, the height of protrusion of the protrusion was made to be 0.05 mm by using a masking plate of 0.30 mm in thickness. In Example 1, the height of protrusion of the protrusions was 0.20 mm. It should be noted that the values of thickness and the like of Examples 1 and 2 shown in FIG. 9 (except for kinetic coefficients of friction) are in units of mm, and are averages of results of measurement at 5 sites using a dial thickness gauge DS-1211 (trade name) (manufactured by Niigata Seiki Co., Ltd.). The same applies to Comparative Examples 8 and 9 described later.
  • Comparative Example 8 the coating layer was formed by the same method as in Examples 1 and 2 described above, but the protrusions were not formed thereon.
  • a kinetic coefficient of friction between the outer face of the non-slip finished glove and a stainless steel surface; and a kinetic coefficient of friction between the outer face of the non-slip finished glove and a cardboard surface were measured in Examples 1 and 2 as well as Comparative Examples 8 and 9, according to ASTM D1894-01 Standard.
  • Examples 1 and 2 and Comparative Examples 8 and 9 were evaluated by testers actually wearing the non-slip finished gloves and lifting a box of 10 kg (a stainless steel box or a cardboard box) by pressing opposite side faces of the box between the tester's palms and lifting the box.
  • An outer face of the non-slip finished gloves was rated as: A (very good); B (good); C (moderate); D (poor).
  • Examples 1 and 2 were highly evaluated for showing higher kinetic coefficient of friction with respect to both of the stainless surface and the cardboard than Comparative Examples 8 and 9, as shown in FIG. 9 , allowing exertion of a high gripping force.
  • Example 2 was configured substantially similarly to Example 1, except for the glove main body being formed by knitting aramid spun yarn (paraphenylene terephthalamide) of yarn count equivalent to 4 (Ne), using a 10 gauges glove knitting machine (trade name: N-SFG (manufactured by Shima Seiki Mfg., Ltd)).
  • aramid spun yarn paraphenylene terephthalamide
  • N-SFG 10 gauges glove knitting machine
  • the glove of Example 3 was flexible, while showing non-slip properties on the inner face and the outer face thereof, as well as high resistance to cutting of level 3 measured by a testing method of EN388:2003 Protective gloves against mechanical risks, 6.1 Abrasion resistance.
  • the non-slip finished glove of the present invention is suitable for various uses, for example: wear by workers at factories; wear by workers involved in transportation; wear by drivers during driving, and wear by sport players during game.

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US20150143609A1 (en) * 2013-11-25 2015-05-28 Ansell Limited Supported glove having grip features
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US20160286874A1 (en) * 2015-04-01 2016-10-06 Showa Glove Co. Glove and manufacturing method of glove
US20180092414A1 (en) * 2013-12-13 2018-04-05 Covco Ltd. Ambidextrous fish scale-textured glove
US20210068481A1 (en) * 2020-11-20 2021-03-11 Curtis Edwards Glove with multi-layer engagement
US20220030988A1 (en) * 2020-08-03 2022-02-03 Matthew Furstenburg Athletic glove with high-grip surface
US20230009381A1 (en) * 2021-07-08 2023-01-12 Marvin Ascencio Makeup Removing Glove Assembly
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US20150143610A1 (en) * 2013-11-25 2015-05-28 Ansell Limited Polymeric gloves having grip features
US20150143609A1 (en) * 2013-11-25 2015-05-28 Ansell Limited Supported glove having grip features
US10349690B2 (en) * 2013-11-25 2019-07-16 Ansell Limited Supported glove having grip features
US11700894B2 (en) 2013-12-13 2023-07-18 Covco (H.K.) Limited Ambidextrous fish scale-textured glove
US20180092414A1 (en) * 2013-12-13 2018-04-05 Covco Ltd. Ambidextrous fish scale-textured glove
US12495848B2 (en) 2013-12-13 2025-12-16 Covco (H.K.) Limited Ambidextrous fish scale-textured glove
USD747070S1 (en) * 2014-03-17 2016-01-12 Rajco Inc. Gardening glove
US11241051B2 (en) * 2014-07-08 2022-02-08 Covco (H.K.) Limited Ambidextrous fish scale-textured glove
US10010124B2 (en) * 2015-04-01 2018-07-03 Showa Glove Co. Glove and manufacturing method of glove
US20160286874A1 (en) * 2015-04-01 2016-10-06 Showa Glove Co. Glove and manufacturing method of glove
US11850772B2 (en) 2017-07-27 2023-12-26 Zeon Corporation Laminate production method
US20220030988A1 (en) * 2020-08-03 2022-02-03 Matthew Furstenburg Athletic glove with high-grip surface
US11800906B2 (en) * 2020-08-03 2023-10-31 Matthew Furstenburg Athletic glove with high-grip surface
US20210068481A1 (en) * 2020-11-20 2021-03-11 Curtis Edwards Glove with multi-layer engagement
US20230009381A1 (en) * 2021-07-08 2023-01-12 Marvin Ascencio Makeup Removing Glove Assembly
WO2023235276A1 (en) * 2022-06-02 2023-12-07 Pietrangelo Lee Chest compression assist glove
USD1053502S1 (en) 2022-06-02 2024-12-10 Lee Pietrangelo Chest compression assist glove
US12390392B2 (en) 2022-06-02 2025-08-19 Lee Pietrangelo Chest compression assist glove

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WO2012070576A1 (ja) 2012-05-31

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