WO1992021448A1 - Distributeur d'adhesif liquide - Google Patents

Distributeur d'adhesif liquide Download PDF

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Publication number
WO1992021448A1
WO1992021448A1 PCT/US1992/004533 US9204533W WO9221448A1 WO 1992021448 A1 WO1992021448 A1 WO 1992021448A1 US 9204533 W US9204533 W US 9204533W WO 9221448 A1 WO9221448 A1 WO 9221448A1
Authority
WO
WIPO (PCT)
Prior art keywords
cover
liquid adhesive
foam
dispenser
reservoir
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US1992/004533
Other languages
English (en)
Inventor
Richard A. Venne
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.)
DAB 'N STIC
Original Assignee
DAB 'N STIC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by DAB 'N STIC filed Critical DAB 'N STIC
Publication of WO1992021448A1 publication Critical patent/WO1992021448A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43M—BUREAU ACCESSORIES NOT OTHERWISE PROVIDED FOR
    • B43M11/00—Hand or desk devices of the office or personal type for applying liquid, other than ink, by contact to surfaces, e.g. for applying adhesive
    • B43M11/06—Hand-held devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/002—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces with feed system for supplying material from an external source; Supply controls therefor

Definitions

  • the present invention is directed to dispensing liquid adhesives and, in particular, to dispensing liquid adhesive through a dauber type of applicating dispenser wherein a porous, flexible cover is provided to apply liquid adhesive.
  • a number of patents disclose fluid applicators or daubers of the type which include a valve having a body integrally formed with helical spring legs in a retaining ring forming a seat for the body and a porous, flexible cover attached to the valve.
  • These patents include, for example, U.S. Patents 3,169,267; 3,203,026; 3,264,676; 3,379,490; 3,444,808; 3,570,396; 3,680,968; and 4,723,860.
  • the present invention is directed to dispensing air curing liquid adhesive particularly through a modification of such valve equipped daubers with porous covers.
  • the invention is a method of dispensing an air curing liquid adhesive from a reservoir comprising the steps of: passing liquid adhesive from the reservoir through a flexible, porous, reticulated polymer foam cover generally sealed with the reservoir such that the liquid adhesive passes the cover only by passing through the cover; curing the liquid adhesive in the foam cover to form a seal of the adhesive preventing further passage of liquid adhesive through the cover; flexing the foam cover to break the adhesive seal; and again passing the liquid adhesive from the reservoir through the foam cover and broken adhesive seal.
  • the invention is a liquid adhesive dispenser comprising: a reservoir of an air curing liquid adhesive having a mouth; and a flexible, porous, reticulated polymer foam cover over the mouth and sealed generally with the reservoir around the mouth such that all liquid adhesive dispensed by the dispenser through the mouth must pass through the cover, the cover being exposed on the dispenser for contact application of the liquid adhesive.
  • Fig. 1 is a partially broken away elevation of a preferred dauber of the present invention
  • Fig. 2 is a vertical section of the applicator end of the Fig. 1 dauber
  • Fig. 3 is a top plan view of the center of the valve
  • Fig. 4 is a detailed view of the seat cross- section and the body of the valve in Fig. 2 showing the tangential contact;
  • Fig. 5 is a detailed cross-sectional view of a portion of the foam cover.
  • Fig. 6 is a vertical section of an alternate embodiment dauber and valve. Detailed Description of the Invention
  • Fig. 1 a preferred dauber type liquid adhesive dispenser constructed in accordance with the present invention and designated generally as 10.
  • the dauber 10 includes a bottle or container 14, preferably of a flexible plastic, constituting a reservoir for a quantity of liquid adhesive 70.
  • a flexible porous cover means 30 for dispensing liquid adhesive is located over a mouth of the container 14 and is generally sealed with the reservoir around the mouth, preferably by a ring 52.
  • the porous cover 30 conceals valve means in the mouth of the container 14 and best seen in Fig. 2.
  • the necked, mouth end of the container 14 is configured in a conventional manner, such as by the provision of threading 72 on its outer surface, to receive and retain a separate removable outer cap 74.
  • the removable outer cap 74 and the container 14 are con ⁇ figured to form an at least essentially airtight seal over the mouth end of the container 14 and flexible cover 30. While threading is shown, any of a variety of other conventional means can be provided for sealingly coupling the removable outer cover and container together including the provision of a snap ring and groove, sizing of the neck of the container 14 and cover 74 to provide a friction press fit, etc.
  • the preferred valve means of the dauber 10 includes a retaining ring 12, which is mounted on and partially received in the mouth of the container 14, and a unified valve assembly 34 received in the ring 12.
  • the valve means is fluidly coupled directly with the liquid adhesive 70 in the con ⁇ tainer 14 and controllably releases liquid adhesive 70 through an outlet opening 26 when operated in a manner to be described.
  • the retaining ring 12 is a unified preferably monolithic body formed of a suitable material by conventional means, preferably injected molded from polyethylene, and includes an annular web 16, an upright circular rib 18, and an upright circular lip 20 spaced outwardly of rib 18 and defining with the rib 18 a groove 50.
  • the top surface 22 of web 16 is generally planar.
  • the bottom surface 24 is generally planar and parallel to surface 22.
  • the web 16 pre ⁇ ferably includes a circular central opening 26 prefer ⁇ ably having a minimum diameter of approximately one- quarter inch.
  • the surface 28 is a radiused curve, the radius being equal to the thickness between the sides 22 and 24, preferably about sixty mils, and thus, is approximately a quarter toroid surface.
  • the retaining ring 12 terminates along its lower portion in an internal bead 32. The bead 32 is preformed during injection molding of the retaining ring 12, as are upright rib 18 and upright lip 20. Thus, no portion of the retaining ring is rolled or swagged after molding.
  • the valve means further includes the unified monolithic valve assembly 34, also formed from suitable material in preferably a conventional manner, preferably injection molded from polyethylene. Assembly 34 is received within the retaining ring 12.
  • the valve assem ⁇ bly 34 includes the valve body 36, a circular mounting ring 40 and three helical legs 38 which define a helical spring means integrally connecting circular mounting ring 40 to body 36.
  • the upper end of the valve body 36 is preferably provided with three uniformly angularly spaced legs 41 which project radially and axially out ⁇ wardly from the center of a substantially planar, circu ⁇ lar surface 42 and through the opening 26 when the valve body 36 is seated.
  • the legs 41 are also seen in Fig. 3.
  • the valve body 36 includes the frustoconical outer sur ⁇ face 43 preferably having a slope of approximately forty-five degrees with respect to the vertical in Fig. 2.
  • the helical spring legs 38 urge the valve body 36 into the retaining ring web opening 26 such that con ⁇ ical surface 43 tangentially contacts the toroidally curved surface 28 of the surrounding opening 26 as seen in Fig. 4, closing the valve. This provides a substan ⁇ tially circular line of contact between the seat 28 and valve body surface 43.
  • the valve body 36 is preferably made of linear low density polyethylene or a similar, mildly -1-
  • valve body 36 elastically deforms under spring preload along the circular line of contact with web 16. These materials will provide adequate sealing while minimizing the sur ⁇ face friction forces between the seat 28 and valve body surface 43, for the material(s) used, which might tend to lock the valve body to the seat in a cocked position.
  • the valve body 36 is more likely to seat upright against the web 16 without cocking or tilting. As a result, bending stresses at the junction of the valve body 36 and the legs 38 are virtually eliminated and the top surface 46 of the valve body will locate uniformly at a predetermined elevation, for example about .028 inch above the top of circular rib 18, when the ring 12 and assembly 34 are installed in the container 14. The throw of the valve body, therefore, will be uniform from use to use thereby ensuring that the amount of fluid dispensed through the valve means will be uniform and controlled from use to use.
  • the outer diameter of the valve assembly mounting ring 40 is about ten to fifteen mils larger than the inner diameter of the retaining ring at bead 32. This permits the elastically deformable valve
  • the interior surface of the retaining ring wall 60 is also preferably provided with an inverted conical taper of approximately one degree to ensure that the valve mounting ring 40 of the unified valve assembly 34 seats securely on bead 32.
  • the valve dispenses liquid adhesive 70 from the container 14 when the container is inverted or squeezed and the valve body 36 is depressed into the retaining ring 12 to permit flow of liquid adhesive 70 through web opening 26.
  • the porous cover 30 extends over the top surface 46 of the valve body 36 and lightly rests on or, preferably, is slightly spaced from that top surface 46 when the valve body 36 is seated against the web 16. The degree of spacing has been exaggerated in the figures for clarity in depicting the components. The preferred slight spacing prevents the porous cover 30 from constantly being stretched and stressed by the valve body 36.
  • cover 30 is located generally over the mouth of the reservoir 14 and is generally sealed with the reservoir around the mouth. All liquid adhesive being applied with or otherwise dispensed from the dispenser 10 must pass through the mouth, through the valve means and through the cover 30.
  • Ring 52 is preferably stepped such that a generally flat outer annular portion 53 overlies lip 20 while a generally flat inner annular portion 56 overlies rib 18.
  • Conical portion 54 connects the flat portions
  • the height of the inner annular portion 56 is less than that of the upper surface 46 of the valve body 36 to permit the valve body 36 to be depressed when the cover 30 of the dispenser 10 is pressed against a surface to which liquid adhesive is to be applied.
  • the cover 30 is held in position by and compressed between aluminum ring 52, lip 20 and rib 18.
  • Inner annular portion 56 further serves to limit the diameter of the foam cover 30 which is exposed thereby making control of the application of the liquid adhesive easier.
  • the clamping of the foam between inner surfaces, as opposed to edges of the aluminum ring 52 has been found to reduce cuts and tears in the foam where the foam is being clamped.
  • a portion of the porous cover 30, preferably consists essentially of a single layer of a felted, thermally reticulated polymer foam of the type disclosed in U.S. Patent 3,175,025, incorporated by reference.
  • the reti ⁇ culated foam material of that patent is formed from foam material originally comprising a skeletal structure of interconnected material strands and cell membranes sup ⁇ ported by the strands forming a network of partially closed cells. During the method of manufacture described in the aforesaid patent, the membranes are removed, leaving the skeletal structure of intercon ⁇ nected strands.
  • the strands define a multiplicity of interconnected, internal voids which provide internal interconnected porosity extending entirely through the foam layer to permit liquid adhesive to be received on any side of the foam material and to pass completely therethrough.
  • the base reticulated material of the patent is preferably "felted 11 in a conventional manner by exposure to heat and pressure to impart a permanent compressed set to the base material, reducing it to a fraction of its original thickness. The degree of compression is referred to as "firmness" which is the inverse of the compressed fraction. The preferred material is compressed to one third its original thickness and thus has a firmness of "3".
  • the preferred foam is a thermally reticulated, felted, polyester-polyurethane material, No. 03Z50A0090, sold by FOAMEX, Eddystone, PA.
  • the preferred foam has the following typical physical properties, the values being given for the base foam material before felting: 1.7 lbs./ft. 3 density; 0.27 inches thickness; 28
  • Either felted and unfelted reticulated polymer foams can be used in the invention. It is believed that porosities of between about 30 and 90 pores per inch (ppi) , as measured by the aforesaid method, are useful in this application, depending upon the particular foam and liquid adhesive being used. Porosities of between 30 and 90 ppi correspond to pressure drops of between about 0.5 and 2.7 inches of water while a porosity of about 50 ppi corresponds to a pressure drop of about 0.7 inches of water, as measured by the aforesaid method.
  • the preferred adhesives to be dispensed are air cured liquids, more particularly polyvinyl alcohol based liquids.
  • air cured liquids more particularly polyvinyl alcohol based liquids.
  • other liq ⁇ uids based upon any of a variety of other well-known adhesives including, in particular, various animal glues, mucilage, starches, dextrins, and vinyl acetates, for example, may be used.
  • Vinyl based adhesives may be
  • EET in the form of emulsions.
  • higher and lower viscosities could also be dispensed successfully with the preferred device and the valve can be easily modified to adjust the rate of dispensing liquids of these and greater or lower viscosities, for example, from less than 100 to 10,000 centipoise or more.
  • high density polyethylene is preferred for the retaining ring 12 and linear low density preferred for valve assembly 34 where higher viscosities (about 1,000 centipoise or more) are used.
  • SUBSTITUTE SHEET or crust indicated diagrammatically at 70' in the enlarged detail of Fig. 5.
  • the dried adhesive crust appears to provide a liquid adhesive proof and a substantially or essentially air-proof seal or barrier with the retaining ring 12 and mounting ring 52 which prevents further passage of liquid adhesive through the cover and which retards the air curing of adhesive trapped deep within the cover or between the valve body 36 and the cover 30.
  • the preferred cover 30 appears to depress only at and about the point of contact. This flexing action may fracture the dried adhesive or separate it from the foam, or both. In any event, it reopens the pores without tearing the foam. It is believed that physical characteristics of the foam, including its strength, elasticity, thickness and/or porosity contribute to this capability.
  • the removable cap 74 may be left off the dispenser 10 for days and even several weeks after use and the dispenser 10 may then be used again in a conventional fashion simply by pressing or pressing and rubbing the cover 30 against a surface sufficiently to fracture crust 70', move the valve body 36 to open the valve and release a new charge of liquid adhesive 70 from the container 14 and, if necessary, work the dried adhesive from the cover 70. If the adhesive is only lightly dried and encrusted, simple repeated pressing of
  • SU BS TITUTE SHEET the cover against a surface may be sufficient to reestablish adhesive flow through the cover.
  • the force required to fracture the crust 70' and release fresh adhesive under these circumstances is not noticeably different from the force required to open the valve during the first use of the device 10.
  • Thicker and/or harder encrustations may require additional rubbing of the cover 30 on the surface, squeezing of the container 14, or both, to force the dried adhesive from the pores and reestablish adhesive flow. This step is facilitated if not positively enabled by the exposure of the foam cover 70 on the dispenser 10 where it can be rubbed and significantly stretched in various directions to break up the dried adhesive and to work the broken dried adhesive to and from the surface of the cover.
  • Fig. 6 depicts an alternate configuration of the valve means.
  • the valve body portion, indicated at 136, of a unified valve assembly 134 includes a cylind ⁇ rical, upright valve head or release member 141 project ⁇ ing upwardly from a planar annular surface 142. The latter extends radially outwardly to a conical surface 143 having an angle of about forty-five degrees with respect to the vertical in the figure.
  • Ring 12 is the same as in Fig. 2. Sealing is again provided between surface 143 and the radiused inner surface 28 of web 16 of the retaining ring 12.
  • the cylindrical valve head 141 having less cross sectional area than the legs 41, and the planar annular surface 142, having a greater area than surface 42, provide a larger effective orifice through the valve of Fig. 6 than is provided by the com ⁇ parable elements in the Fig. 2 valve embodiment to per ⁇ mit even greater or easier liquid flow in the Fig. 6 embodiment for the same valve throw and opening diame ⁇ ter.
  • a preformed metallic ring 152 may be provided with a lip 154 extending into the groove 150.
  • other retaining ring and valve assembly configurations and different valve throws could be used to provide lesser or greater adhesive flows.
  • valve means of dauber 10 be elimi ⁇ nated.
  • a less porous, reticulated foam or a more viscous liquid adhesive and the same reticulated foam might further be used to dispense liquid adhesive directly from the reservoir.
  • a very weak solution of vinyl alcohol having a relatively low viscosity can be provided in such a dispenser for use in moistening envelopes or tapes with preapplied dry adhesive, to augment the adhesion in the event the preapplied adhesive is of poor quality, insufficient strength, amount, etc. Accordingly, reference should be made to the appended claims, rather than to the foregoing specification as indicating the scope of the invention.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

Procédé d'application d'adhésif liquide, consistant à faire passer un adhésif liquide à travers l'embouchure ouverte d'un récipient, à travers une soupape (34) maintenue par friction dans l'embouchure du récipient et à travers un dôme en mousse réticulée poreuse flexible (30) recouvrant la soupape et l'embouchure, afin de recevoir et appliquer l'adhésif passant à travers la soupape (34). On laisse durcir l'adhésif, qui forme un joint étanche dans le dôme en mousse (30). On plie ensuite ce dernier pour rompre le joint et rétablir l'écoulement de l'adhésif liquide à travers le dôme (30). La soupape (34) comprend un ensemble de soupape pourvu d'un corps (36) et d'éléments à ressorts hélicoïdaux intégrés (38) qui sont logés et retenus dans un anneau de retenue (12).
PCT/US1992/004533 1991-05-31 1992-05-29 Distributeur d'adhesif liquide Ceased WO1992021448A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US70858891A 1991-05-31 1991-05-31
US708,588 1991-05-31

Publications (1)

Publication Number Publication Date
WO1992021448A1 true WO1992021448A1 (fr) 1992-12-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1992/004533 Ceased WO1992021448A1 (fr) 1991-05-31 1992-05-29 Distributeur d'adhesif liquide

Country Status (2)

Country Link
AU (1) AU2177492A (fr)
WO (1) WO1992021448A1 (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5480250A (en) * 1994-04-08 1996-01-02 Birden; Donald Dispenser with rigid open pore nib
US5568990A (en) * 1995-03-29 1996-10-29 Mcauley; Brian Shoe polish applicator
US5810495A (en) * 1996-01-16 1998-09-22 Mcauley; Brian Narrow line applicator
ES2187294A1 (es) * 2001-10-31 2003-05-16 Villahoz M Inmaculada Nieto Valvula para dispensador de productos de limpieza o abrillantado.
WO2006108230A1 (fr) * 2005-04-13 2006-10-19 Garrie Arthur Clark Applicateur de liquide
CN103434737A (zh) * 2013-08-09 2013-12-11 浙江硕华医用塑料有限公司 液体包装瓶及其塞子
CN103434747A (zh) * 2013-08-09 2013-12-11 浙江硕华医用塑料有限公司 液体包装瓶及其岀液涂抹装置
CN103434736A (zh) * 2013-08-09 2013-12-11 浙江硕华医用塑料有限公司 一种液体包装瓶
US20150196468A1 (en) * 2012-09-21 2015-07-16 Amorepacific Corporation Urethane foam impregnated with cosmetic composition
WO2016108042A1 (fr) * 2014-12-29 2016-07-07 Advanced Medical Solutions (Plymouth) Limited Applicateur d'adhésif
US10603254B2 (en) 2011-03-24 2020-03-31 Amorepacific Corporation Urethane foam for use in impregnating cosmetic composition
USRE48906E1 (en) 2012-04-12 2022-02-01 Amorepacific Corporation Foam having improved feeling during use

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU643100B2 (en) * 1990-12-21 1993-11-04 Arthur Webster (New Zealand) Pty. Limited An applicator

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3175025A (en) * 1963-04-05 1965-03-23 Chemotronics International Inc Process for bonding and/or reticulation
US3351417A (en) * 1966-02-16 1967-11-07 Schwartzman Gilbert Applicator with spring pressed cover
US3481678A (en) * 1968-05-10 1969-12-02 Gilbert Schwartzman Combination applicator and squeeze container
US3565294A (en) * 1968-06-24 1971-02-23 Gilbert Schwartzman Applicator and container having cam-locking means
US3570396A (en) * 1968-11-26 1971-03-16 Gilbert Schwartzman Stencilled stamping device having fluid flow valve control
US3830573A (en) * 1970-01-02 1974-08-20 G Schwartzman Striping applicator
US4762433A (en) * 1987-07-02 1988-08-09 S. C. Johnson & Son, Inc. Fluid applicator for shoes and the like

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3175025A (en) * 1963-04-05 1965-03-23 Chemotronics International Inc Process for bonding and/or reticulation
US3351417A (en) * 1966-02-16 1967-11-07 Schwartzman Gilbert Applicator with spring pressed cover
US3481678A (en) * 1968-05-10 1969-12-02 Gilbert Schwartzman Combination applicator and squeeze container
US3565294A (en) * 1968-06-24 1971-02-23 Gilbert Schwartzman Applicator and container having cam-locking means
US3570396A (en) * 1968-11-26 1971-03-16 Gilbert Schwartzman Stencilled stamping device having fluid flow valve control
US3830573A (en) * 1970-01-02 1974-08-20 G Schwartzman Striping applicator
US4762433A (en) * 1987-07-02 1988-08-09 S. C. Johnson & Son, Inc. Fluid applicator for shoes and the like

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5480250A (en) * 1994-04-08 1996-01-02 Birden; Donald Dispenser with rigid open pore nib
US5568990A (en) * 1995-03-29 1996-10-29 Mcauley; Brian Shoe polish applicator
US5810495A (en) * 1996-01-16 1998-09-22 Mcauley; Brian Narrow line applicator
ES2187294A1 (es) * 2001-10-31 2003-05-16 Villahoz M Inmaculada Nieto Valvula para dispensador de productos de limpieza o abrillantado.
WO2006108230A1 (fr) * 2005-04-13 2006-10-19 Garrie Arthur Clark Applicateur de liquide
US10603254B2 (en) 2011-03-24 2020-03-31 Amorepacific Corporation Urethane foam for use in impregnating cosmetic composition
US10925812B2 (en) 2011-03-24 2021-02-23 Amorepacific Corporation Urethane foam for use in impregnating cosmetic composition
USRE49062E1 (en) 2012-04-12 2022-05-10 Amorepacific Corporation Foam having improved feeling during use
USRE48906E1 (en) 2012-04-12 2022-02-01 Amorepacific Corporation Foam having improved feeling during use
US20150196468A1 (en) * 2012-09-21 2015-07-16 Amorepacific Corporation Urethane foam impregnated with cosmetic composition
CN103434736A (zh) * 2013-08-09 2013-12-11 浙江硕华医用塑料有限公司 一种液体包装瓶
CN103434747A (zh) * 2013-08-09 2013-12-11 浙江硕华医用塑料有限公司 液体包装瓶及其岀液涂抹装置
CN103434737A (zh) * 2013-08-09 2013-12-11 浙江硕华医用塑料有限公司 液体包装瓶及其塞子
GB2534548A (en) * 2014-12-29 2016-08-03 Advanced Medical Solutions (Plymouth) Ltd Adhesive applicator
US20170354406A1 (en) * 2014-12-29 2017-12-14 Advanced Medical Solutions (Plymouth) Limited Adhesive applicator
JP2018501011A (ja) * 2014-12-29 2018-01-18 アドバンスト メディカル ソリューションズ （プリマス） リミテッド 接着剤塗布器具
US10603019B2 (en) 2014-12-29 2020-03-31 Advanced Medical Solutions Limited Adhesive applicator
WO2016108042A1 (fr) * 2014-12-29 2016-07-07 Advanced Medical Solutions (Plymouth) Limited Applicateur d'adhésif
GB2534548B (en) * 2014-12-29 2020-08-12 Adv Med Solutions Ltd Adhesive applicator

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