Classifications

• • A—HUMAN NECESSITIES
  • A45—HAND OR TRAVELLING ARTICLES
  • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
  • A45C13/00—Details; Accessories
  • A45C13/002—Protective covers
• • A—HUMAN NECESSITIES
  • A41—WEARING APPAREL
  • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
  • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
  • A41D13/015—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with shock-absorbing means
  • A41D13/0153—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with shock-absorbing means having hinged or separable parts
• • A—HUMAN NECESSITIES
  • A41—WEARING APPAREL
  • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
  • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
  • A41D13/015—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with shock-absorbing means
  • A41D13/0158—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with shock-absorbing means having ventilation features
• • A—HUMAN NECESSITIES
  • A41—WEARING APPAREL
  • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
  • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
  • A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
  • A41D13/055—Protector fastening, e.g. on the human body
  • A41D13/0581—Protector fastening, e.g. on the human body with permanent fastening means
• • A—HUMAN NECESSITIES
  • A41—WEARING APPAREL
  • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
  • A41D31/00—Materials specially adapted for outerwear
  • A41D31/04—Materials specially adapted for outerwear characterised by special function or use
  • A41D31/24—Resistant to mechanical stress, e.g. pierce-proof
• • A—HUMAN NECESSITIES
  • A41—WEARING APPAREL
  • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
  • A41D31/00—Materials specially adapted for outerwear
  • A41D31/04—Materials specially adapted for outerwear characterised by special function or use
  • A41D31/28—Shock absorbing
• • A—HUMAN NECESSITIES
  • A41—WEARING APPAREL
  • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
  • A41D31/00—Materials specially adapted for outerwear
  • A41D31/04—Materials specially adapted for outerwear characterised by special function or use
  • A41D31/28—Shock absorbing
  • A41D31/285—Shock absorbing using layered materials
• • A—HUMAN NECESSITIES
  • A63—SPORTS; GAMES; AMUSEMENTS
  • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
  • A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
  • A63B71/08—Body-protectors for players or sportsmen, i.e. body-protecting accessories affording protection of body parts against blows or collisions
• • A—HUMAN NECESSITIES
  • A41—WEARING APPAREL
  • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
  • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
  • A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
• • A—HUMAN NECESSITIES
  • A41—WEARING APPAREL
  • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
  • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
  • A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
  • A41D13/0531—Spine
• • A—HUMAN NECESSITIES
  • A45—HAND OR TRAVELLING ARTICLES
  • A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
  • A45C11/00—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00
  • A45C11/003—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00 for storing portable computing devices, e.g. laptops, tablets or calculators

Definitions

• the invention relates in the first place to a protective shell combining both anti-abrasion, anti-perforation and anti-tear qualities, and qualities of flexibility to allow its adaptation to the external shape of an object to be protected or to the morphology of the wearer of a garment, besides the different movements that it is likely to make for the practice of a physical activity, sports or industrial in particular.
• the invention also relates to a protective cover provided with such a shell, especially for all types of object likely to require such protection, including office equipment, such as laptop, PDA, etc., or equipment of sport, such as for example a gliding board, a float (windsurfing, surfing), etc.
• It also relates to a protective clothing provided with such a shell, but also other elements, including damper, said clothing being more particularly intended for use in the field of sports and recreation but also in the industrial world, in that of security or in the field of transport.
• protection or cushioning elements in clothing is a recurring concern. Indeed, a number of sports or leisure activities are generating shock and blows, such as including but not limited to skiing, ice hockey, horseback riding, cycling, etc.
• such elements are devoid of protective shell to recover flexibility.
• experience shows that they are insufficient in terms of efficiency (shock and abrasion), especially for the practice of skiing or motorcycling.
• Clothes incorporating damping elements at the level of sensitive zones are also known. Classically, these are distributed in so-called “at risk” areas, for example shoulders, elbows, knees. They consist for example of two layers, respectively external and internal, made of flexible materials, porous, "breathable” and substantially non-elastic, separated from each other by a plurality of substantially elastic damping cushions in contact with each other. others, allowing some flexibility.
• Such garments are for example described in WO 00/16652.
• the object of the present invention is to propose first of all, a protective shell having both to offer the qualities of rigidity, for the purpose of combating abrasion in case of drop and / or slip, against perforations and tears, and flexibility, to allow its adaptation as high as possible to the shape of the object to protect or the morphology of the user and the movement of its members or parts of his body.
• the invention also relates to clothing incorporating such a shell, said garment being further provided with damping elements, in particular. It also relates to a protective cover for any type of object incorporating such a shell.
• the invention relates first of all to an external protective shell.
• This shell is characterized in that it is made from sheets or sheets of rigid polymeric material, and in that it has a plurality of partial cutouts suitable for defining substantially articulated patterns between them, intended to confer on said shell some global flexibility and local stiffness of impact distribution and resistance to abrasion and tearing.
• the invention consists in providing a shell at the base made of a rigid material, of limited thickness, and whose partial cuts made within its thickness according to particular patterns allow it to be given flexibility. sought, the cohesion of the whole being preserved through the bridges or material nodes preserved between the cuts, these bridges of material may be more or less narrow, so more or less flexible, depending on the base material.
• the material constituting the shell may be a traditional base polymer (Butadiene Acrylate Styrene - ABS, Polycarbonate, Polypropylene, etc.), or a composite polymer, in particular with a thermoplastic matrix.
• a traditional base polymer butadiene Acrylate Styrene - ABS, Polycarbonate, Polypropylene, etc.
• a composite polymer in particular with a thermoplastic matrix.
• such a material may be based on woven polypropylene fibers, embedded in a matrix also made of polypropylene, and such as for example sold by the company LANKHORST under the trademark PURE® particularly suitable for this application.
• a protective shell that satisfies the essential functions assigned to it, namely anti-abrasive, anti-perforation, anti-tearing, by the implementation of woven fibers, which also allows to distribute the energy in case of shocks, due to a greater flexural modulus than pure thermoplastic materials.
• the backbone if one wishes to protect the backbone, one can implement larger nodes, to obtain a more rigid protective shell, and corollary more protective. Admittedly, the flexibility is affected, at least in part, but in the case of an area to protect relatively plant, the back in this case, this decrease in flexibility is not prohibitive. On the other hand, if the zone to be protected consists of a joint, elbow or knee, for example, the nodes used are smaller, in order to confer the necessary flexibility to the hull.
• such a shell is "breathable" because of the cuts made therein.
• It has a very light density, typically less than 0.8 g / cm 3 if for example it is made of self-reinforced polypropylene PURE® type.
• the patterns of the cuts can be both geometric and repetitive, such as triangles or other circles, that "morphological", that is to say, optimized to better marry the area to protect. In both cases, the aim is to optimize both the cutting operation and the flexibility.
• the invention further relates to protective clothing more particularly intended for the practice of sports and leisure. These comprise a number of areas deemed sensitive to knocks and shocks, said zones being provided with a protective shell of the type described above.
• this garment consists of a sweater, a sweet-shirt or a jacket and the sensitive areas are essentially constituted by the spine, shoulders and elbows, even arms, forearms and pectorals.
• this garment consists of pants and the sensitive area is essentially constituted by the hips, tailbone, knees and shins.
• the protective shell at the sensitive areas is associated with a damping layer.
• This is advantageously constituted by a polymer foam (polyethylene base, EVA, polypropylene, polyurethane, etc.) which is naturally aerated (for example open cell foams or porous foams, such as for example sold by BROCK). ), or micro perforated through a passage between perforating calendering rollers or by flat punching.
• a polymer foam polyethylene base, EVA, polypropylene, polyurethane, etc.
• open cell foams or porous foams such as for example sold by BROCK
• the damping layer may also consist of a three-dimensional mesh, denominated in the field considered by 3D mesh (textile or plastic polymer) having Z-shaped fibers (that is to say oriented in the direction perpendicular to the surface of the fabric ) providing good compressive strength while maintaining flexibility and breathability.
• 3D mesh textile or plastic polymer
• the entire garment comprises a biometric comfort and hygiene layer, which can also be made in 3D mesh of the aforementioned type (polymer textile having Z fibers to space the outer fabrics and improve comfort performance and breathability) associated with thermoregulatory or hydrophobic fabrics (polyester, polyamide, polypropylene base, etc.) as marketed by Dupont de Nemours under the trademark Coolmax®, by the company NIKE under the trade name Dry-fit® or by the company ADIDAS under the trade name Climalite®, or also open-cell foam of low density, advantageously viscoelastic.
• a biometric comfort and hygiene layer which can also be made in 3D mesh of the aforementioned type (polymer textile having Z fibers to space the outer fabrics and improve comfort performance and breathability) associated with thermoregulatory or hydrophobic fabrics (polyester, polyamide, polypropylene base, etc.) as marketed by Dupont de Nemours under the trademark Coolmax®, by the company NIKE under the trade name Dry-fit®
• Figure 1 is a schematic representation in section of the modeling of the structure according to the invention, more particularly intended to be implemented for a garment.
• Figure 2 is a view similar to Figure 1, to illustrate the flexibility of the structure.
• Figure 3 is a schematic representation illustrating a method of securing the structure of the invention on a garment.
• Figure 4 is a schematic representation of the particular areas of the garment for viewing the protective shell according to the invention.
• Figure 5 is a schematic representation of the structure of the invention, in its application to a protective cover of a laptop.
• Figure 6 is a schematic illustration of another embodiment of the invention.
• FIG. 1 is intended to model the objective sought by the present invention.
• the structure of a protective garment according to the invention is thus schematically represented.
• said garment In line with a protective zone with which it is provided, and beginning with the face of the garment in contact with the skin of the user or an undergarment, said garment firstly comprises a layer of hygiene (1), then a layer of biometric comfort (2), these two layers can actually be one.
• these layers of hygiene and biometric comfort are made of technical textile materials, especially three-dimensional textile type (3D mesh). As already indicated, such textiles have Z-fibers providing good compressive strength while maintaining flexibility and breathability.
• thermoregulatory or hydrophobic fabrics are also advantageously associated with thermoregulatory or hydrophobic fabrics (polyester base, polyamide, polypropylene, etc.).
• fabrics are for example marketed by the company DuPont de Nemours under the trade name Coolmax®, by the company NIKE under the trade name Dryfeat® or by the company Adidas under the trade name Climalite®.
• biometric comfort (2) and hygiene (1) layers may also consist of a low density open cell foam, advantageously viscoelastic.
• biometric and hygiene layers are required to be light, this quality being obtained by the use of said bulk textile or low-density open cell foam, and to be flexible, it is to be able to perfectly marry the morphology of the user, statically or dynamically. This layer is naturally flexible.
• this biometric comfort and hygiene layer is associated with a damping layer proper (3).
• the latter has been shown on the modeling by a layer of a thickness substantially greater than that of the other layers (1, 2).
• this damping layer is simply inserted between the comfort and hygiene layer, and the protective shell (4) described hereinafter in more detail. In doing so, there is greater flexibility of the garment in these particular areas, due to the preservation of the sliding capacity of the layers relative to each other.
• this damping layer (3) intended as its name indicates to dampen shocks and knocks, is advantageously constituted by a polymer foam.
• This layer can be naturally aerated because of its manufacturing process or its constituents. Indeed, the polymerization generating the foaming phenomenon allows to obtain open cells, which let air through.
• foams such as those marketed by BROCK, they consist of the agglomeration of closed beads, the air flowing between the balls.
• the foam may be micro-perforated via a passage between perforating calendering rollers (large series) or by flat punching (small series).
• this damping layer (3) is also breathable.
• damping layer Another possibility for this damping layer is to use a textile volume (3D mesh textile or plastic) having Z-fibers providing good compressive strength while maintaining flexibility and breathability qualities.
• this damping foam (3) like the 3D mesh, is light, of a typical density of between 30 and 60 g / l, and flexible, inherent to its nature.
• damping materials gels, silicones, viscoelastic polymers, etc.
• the specific areas of the garment according to the invention are further provided with an outer shell (4), having both properties of local rigidity and overall flexibility. It can be fixed on the edges of the garment by sewing, welding or gluing, see figure 3). By this method of attachment, especially at the side areas of implantation of the hull, the latter is likely to slide relative to the damping layer (3) underlying.
• said damping layer is itself capable of sliding relative to the biometric comfort and hygiene layers.
• this outer shell (4) is made of a pure or preferably composite thermoplastic polymer material, in particular with a thermoplastic matrix.
• woven polypropylene fibers, embedded in a matrix also made of polypropylene, are used as the polymer.
• Such a material is marketed under the trademark PURE®.
• this outer shell (4) has cutouts (5), regular or not, in an optimized pattern, in this case triangles, which allows in the first place to give said shell the required flexibility to allow the adaptation of the latter, on the one hand to the morphology of the user and on the other hand to its movements involved in the practice of the activity in question.
• this shell is made from sheets or plates made of such a material, which allows to treat it with the same technical means of transformation as textiles (patronage, cutting, sewing, welding, gluing %) without obligatory recourse to tools of thermo forming, thermocompression or injection.
• thermoplastic matrix composite material also makes it possible to confer on this shell the essential properties which are devolved on it to know how to fight against the abrasion, against the perforation, against the tear likely to intervene during shocks or when sliding on an abrasive surface, such as snow, ice, pavement, etc.
• abrasive surface such as snow, ice, pavement, etc.
• These functions of anti-abrasion, anti-perforation and anti-tear are made possible by the implementation of woven fibers constituting said material .
• Polypropylene fibers are also non-aggressive in case of breakage, unlike glass or carbon fibers, which gives them an additional advantage, especially in terms of comfort and safety.
• the use of such a composite material makes it possible to have a significantly higher flexural modulus than pure thermoplastic materials. In doing so, the implementation of such an outer shell makes it possible to better distribute the energy and corollary the impact of shocks likely to intervene at its level.
• these cuts (5) may be more or less important.
• the cutting density is lower and / or the thickness of the sheet or constituent plate is greater.
• the density of cuts may be higher, with a smaller thickness of the plates, and this, due to the presence of woven polymer fibers.
• the particular choice of the material constituting the shell, and in particular the self-reinforced polypropylene, in addition to the presence of these cuts, makes it possible to have a material with a density of less than 0.8 g / cm 3 and, therefore, to confer on this shell the lightness required in relation to the application envisaged at the level of clothing.
• Figure 2 is intended to illustrate the flexible nature of the complete structure, besides the propensity to the outer shell (4) to slide easily on any type of coating, and symbolized by the arrow.
• FIG. 4 shows, for example, the back of a T-shirt having a plurality of protective zones (6, 7) according to the invention, provided at the level of the vertebral column, of shape and shape. more or less important surface depending on the location.
• These implantation zones can be obviously multiple and, for example, in particular be located in the most exposed areas, and more particularly the shoulders and clavicle, the outside of the arms, including the elbow, the arm and the forearm, but also at the level of the pecs.
• the outer shell (4) is glued on a pre-stretched elastic support, textile or foam (8).
• the invention also relates to the protective covers using the external protective shell described above. Such a cover is likely to be implemented for all types of object.
• FIG. 5 shows the implementation of the principle of the invention adapted to a portable computer (10).
• this protective cover has on its outer surface an outer shell (4), for example of the same nature as that described in relation to Figures 1 to 4.
• This outer shell (4) is associated with a damping layer (3), also similar in nature to that described above.
• a damping layer (3) also similar in nature to that described above.
• the breathability of these different layers can be appreciated.
• the object to be protected is constituted by a surf, a pair of ski, etc., in short, an element capable of being wet when it is introduced into the cover, this breathable nature makes it possible to evacuate this humidity rapidly, and thus, promote the durability of the object in question.
• PDA computer equipment
• Notebook the breathability is appreciated in that it allows the heat generated by this type of equipment to evacuate.

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• Engineering & Computer Science (AREA)
• Textile Engineering (AREA)
• Health & Medical Sciences (AREA)
• General Health & Medical Sciences (AREA)
• Physical Education & Sports Medicine (AREA)
• Professional, Industrial, Or Sporting Protective Garments (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=37945997

Family Applications (1)

Country Status (4)

Families Citing this family (18)

Family Cites Families (42)

• 2006
  • 2006-07-17 FR FR0653001A patent/FR2903579B1/fr not_active Expired - Fee Related
• 2007
  • 2007-07-09 US US12/374,169 patent/US20090165193A1/en not_active Abandoned
  • 2007-07-09 WO PCT/FR2007/051619 patent/WO2008009839A2/fr not_active Ceased
  • 2007-07-09 EP EP07803998A patent/EP2040571A2/de active Pending

Non-Patent Citations (1)

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