Classifications

• • 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
  • A41D13/02—Overalls, e.g. bodysuits or bib overalls
• • 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
  • A41D13/0002—Details of protective garments not provided for in groups A41D13/0007 - A41D13/1281
  • A41D13/0005—Joints
• • A—HUMAN NECESSITIES
  • A41—WEARING APPAREL
  • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
  • A41D19/00—Gloves
  • A41D19/0055—Plastic or rubber gloves
  • A41D19/0082—Details
  • A41D19/0089—Joints between glove and cuff or garment
• • A—HUMAN NECESSITIES
  • A41—WEARING APPAREL
  • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
  • A41D2300/00—Details of garments
  • A41D2300/30—Closures
  • A41D2300/328—Closures using adhesive
• • A—HUMAN NECESSITIES
  • A41—WEARING APPAREL
  • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
  • A41D2400/00—Functions or special features of garments
  • A41D2400/42—Foldable
  • A41D2400/422—Foldable into a pocket
• • A—HUMAN NECESSITIES
  • A41—WEARING APPAREL
  • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
  • A41D2400/00—Functions or special features of garments
  • A41D2400/52—Disposable

Definitions

• the present invention relates to the general field of personal protection for a user who is or is about to enter a containment zone, in particular for asbestos removal operations. It relates more specifically to a single-use personal protective suit.
• PPE personal protective equipment
• APR respiratory protection devices
• These suits conventionally comprise at least one jacket provided with two sleeves and a hood, and pants comprising two legs, the jacket being permanently attached to said pants.
• a coverall but also other additional equipment such as gloves, shoes or overshoes and possibly a protective mask.
• additional equipment such as gloves, shoes or overshoes and possibly a protective mask.
• a second person uses an adhesive tape to surround the junction zone between the suit and said additional equipment.
• the aim of the present invention is to provide a single-use suit overcoming the drawbacks described above and being easy to use by a single user, comfortable, of practical design with a view to its disposal after use to waste treatment centers. while guaranteeing a remarkable seal.
• a single-use personal protective suit intended to be worn by a user who is or is about to enter a containment zone, comprising at least one jacket with two sleeves. and a hood, trousers having two legs and being permanently attached to said jacket, and opening means extending vertically from the bottom of the hood opening to at least the bottom of the jacket , said combination being remarkable in that it comprises sealing means comprising an adhesive tape and a removable non-stick strip covering said adhesive tape over its entire length and over a part of its width, the part not covered by said non-stick strip allowing to secure the sealing means around each of the respective free ends of said sleeves and legs, on the hood along its opening and on the suit the along the opening means, and in that the adhesive tape is, after removal of the non-stick strip, glued to the additional equipment worn by the user to ensure the seal between the latter and the suit, said adhesive tape being configured to be easily repositionable in a short period of time.
• the release tape advantageously extends longitudinally of the adhesive tape on the opposite side of the uncovered part to easily allow it to be gripped during its removal.
• the adhesive tape comprises orifices passing right through it and arranged in the uncovered part and lateral slits issuing from each of the orifices and extending from the opposite side of said uncovered part.
• the adhesive tape is advantageously made from a polyolefin support covered with a mass of pressure-sensitive acrylic adhesive, and the release tape is made from a polyolefin support.
• the adhesive tape is provided with a non-adhesive tab disposed at one of the longitudinal ends.
• the combination is preferably made from either a non-woven fabric of polypropylene (PP) or polyethylene (PE), or a woven fabric of PP fibers, or of PE fibers, or of natural fibers or else a mixture of natural fibers and synthetic fibers, it is composed of several pieces of textiles assembled together by sewing and it comprises along each of the seams a strip of fabric of the sealing reinforcement members.
• PP polypropylene
• PE polyethylene
• all the textile zones of the suit receiving the part not covered with the adhesive tape of the sealing means are covered with an overlayer, said overlayer being a double layer film of PE or PP laminated to the textile of the suit.
• each of the sleeves of the jacket and the legs of the pants are provided with a gusset and / or an elastic cord.
• the hood is arranged so that the front face F containing the opening is located in front of the face of the user wearing said combination.
• the suit advantageously comprises a pocket placed inside the jacket at its back, this pocket being intended to contain the suit folded up after use.
• FIG 1 is a perspective view of the disposable coverall according to the invention.
• FIG 2 is an enlarged detail view of the hood of the combination of Figure 1,
• FIG 3 is an enlarged detail view of the free end of a sleeve or a hood leg of the suit of Figure 1,
• FIG 4 is a perspective view of the sealing means of the combination of Figure 1 flat
• FIG 5 is a top plan view of the sealing means of Figure 4 when they are in the bonding configuration.
• FIGS. 1 to 3 there is shown a single-use waterproof personal protective suit 1 in accordance with the invention, hereinafter called combination 1, the latter being intended to be worn by a user who is or is about to wear. enter a containment area, for example, for asbestos removal operations.
• the suit 1 according to the invention is intended to be used as a category III suit of type 1 to 6 and therefore to comply with the numerous standards and regulations in force such as, for example, the following standards:
• - NF EN 13982 Protection against solid chemicals, particles in suspension in the air. Completely waterproof equipment. For example asbestos removal, agricultural environments during powdering operations, and - NF EN 13034: Protection limited in time against splashing of liquid chemicals. For example petrochemicals, laboratories, chemical industry, agricultural environments and phytosanitary risks.
• the combination 1 is preferably made from either a non-woven fabric of polypropylene (PP) or polyethylene (PE), or a woven fabric of PP fibers, or PE fibers, or made of natural fibers such as, for example, cotton or also a mixture of natural fibers and synthetic fibers, for example polyester.
• coverall 1 is designed to be worn together with gloves G, shoes C or overshoes and a full respiratory protection mask, not shown in the figures.
• the term “full respiratory protection mask” denotes here a mask covering the eyes, nose, mouth and chin of the user and comprising at least one skirt made of flexible material capable of coming into tight contact on the face of the user. user, a visor, retaining straps and an inner half-mask provided with an inspiratory valve and a connector intended to receive a filter or an air supply system.
• additional equipment here denotes said gloves G, shoes C or overshoes and a filtering protective mask.
• the combination 1 is conventionally composed of several pieces of textiles assembled together by sewing.
• the suit 1 preferably comprises along each of said seams sealing reinforcement members, not shown, composed of a strip of fabric preferably heat-sealed, said fabric being advantageously composed of 'a nylon / polyester blend, thermal polyurethane (TPU) and acrylic glue.
• TPU thermal polyurethane
• said sealing reinforcement members may also be an adhesive placed along each of said seams and consisting of a polyolefin support covered with a mass of pressure-sensitive acrylic adhesive and 'a removable non-stick strip made from a polyolefin support.
• said combination 1 comprises at least one jacket 2 provided with two sleeves 3 and a hood 4, and pants 5 comprising two legs 6, combination 1 being advantageously a full combination in one piece, that is to say - say that the pants 5 are permanently attached to the jacket 2.
• the suit 1 according to the invention may not be in one piece and include a jacket 2 and independent pants 5 capable of being fixed in a leaktight manner to said jacket 2 by any suitable fixing technique, without leaving the frame of the present invention.
• the suit 1 comprises opening means 7 extending vertically from the bottom of the opening 41 of the hood 4 to at least the bottom of the jacket 2, preferably up to the crotch of the pants. 5, and being advantageously of the rapid zipper type.
• opening means 7 may be of any other type such as, for example, buttons, press studs, fasteners with loops and hooks or any other suitable fixing means, without departing from the scope of this present invention. invention.
• the opening means 7 are advantageously protected by a flap 8 covering them entirely to ensure in particular the tightness of the combination 1 to the right of said opening means 7.
• each of the sleeves 3 of the jacket 2 and of the legs 6 of the pants 5 are advantageously provided with gussets 9 to provide more ease to the wearer of the suit 1 according to the invention when putting on place and / or removal of the latter (see figure 3).
• the outer faces 91, 92 of said bellows 9 are advantageously triangular in shape and covered with a repositionable adhesive to be kept folded one 91 against the other 92 when the user has passed his hands and feet through the free ends respectively. 31,61 respective of each of the sleeves 3 and the legs 6 of the combination 1.
• said free ends 31,61 advantageously each comprise a elastic cord 32,62 extending around the free end 31,61 associated on either side of the associated bellows 9.
• said free ends 31,61 may comprise only a bellows 9, only an elastic cord 32,62 or else both without departing from the scope of the present invention. Assuming only an elastic cord 32,62, it will be understood that the latter will then extend over the entire periphery of the associated free end 31,61.
• the hood 4 of the suit 1 is arranged so that the front face F containing the opening 41 is located in front of the face of the user wearing said suit 1 (see FIG. 2).
• This configuration is particularly advantageous because, when the user wears a protective mask, the opening 41 is then located in front of the edge of the mask, resting on the face of said user, it is therefore no longer necessary to pull on the hood. 4 to ensure the seal between the opening 41 of the latter and said mask.
• the tightness of the suit 1 is reinforced because the opening means 7 of the suit 1, which then extend from the bottom of the opening of the opening 41 of the hood 4, then extend beyond the edge of the mask resting on the face of said user and therefore up to said protective mask without discontinuity .
• the hood 4 also includes an elastic cord, not shown, along the opening 41.
• the suit 1 comprises securing means 10 arranged at each of the respective free ends 31, 61 of the sleeves 3 of the jacket 2 and of the legs 6 of the pants 5, and along the opening 41 of the hood 4.
• the sealing means 10 advantageously comprise an adhesive tape 11 and a removable non-stick strip 12 covering said adhesive tape 11 over its entire length and over part of its width, part 13 of the adhesive tape 11 not covered by said non-stick strip 12, Hereafter referred to as the uncovered part 13, making it possible to secure the sealing means 10 around said free ends 31, 61 and on the hood 4 along the opening 41.
• the sealing means 10 can be secured to each of the free ends 31, 61 and to the hood 4 by any other suitable technique such as, for example, sewing, without departing from the scope of the present invention.
• any other suitable technique such as, for example, sewing, without departing from the scope of the present invention.
• the fact of using the uncovered part 13 for securing the sealing means 10 is particularly economical, which is very advantageous for obtaining a controlled manufacturing cost.
• the release strip 12 protrudes longitudinally from the adhesive tape 11 on the opposite side of the uncovered part 13 to easily allow it to be gripped during its removal.
• the non-stick strip 12 of the adhesive tape 11 is removed from the sealing means 10 and then the part of said newly discovered adhesive tape 11 is glued on. the external face of the associated equipment to ensure the seal between the latter and the combination 1.
• the adhesive tape 11 of the sealing means 10 comprises orifices 14 passing right through it formed in the uncovered part 13 and side slits 15 issuing from each of the orifices 14 and extending from the opposite side of said uncovered part 13.
• the part of said newly discovered adhesive tape 11 is glued on the external face of the associated equipment, taking care to superimpose each portion of the adhesive tape 11 disposed between two side slits 15 on the adjacent portion so as to match the shape of the external faces of the various additional equipment.
• the orifices 14 are made in the uncovered part 13 and are found against the combination 1 when the adhesive tape 11 is glued by uncovered part 13 on the latter, so there is no risk of lack of sealing.
• the adhesive tape 11 is advantageously provided with a non-adhesive tab, not shown in the figures, arranged at one of the longitudinal ends, on which the user can pull to remove the sealing means 10 then the combination 1.
• the combination 1 comprises for sealing the closure means 7 also sealing means 10 secured, by the uncovered part 13 of the adhesive tape 11, on the outer face of the flap 8 protecting the means. opening 7 or directly on the textile of the suit 1 along said closure means 7.
• the adhesive tape 11 of the sealing means 10 is configured so as to be able, after removal of the non-stick strip 12, to be easily repositioned on the combination 1 and the additional equipment during a short period of time.
• short time lapse denotes here a duration of the order of 1 to 3 minutes. After this period, the adhesive tape 11 cannot be repositioned without causing irreversible damage, in particular on the combination 1 requiring the latter to be removed.
• the adhesive tape 11 is, advantageously, made from a polyolefin support covered with a mass of pressure-sensitive acrylic adhesive, the basis weight of which is determined as a function of the desired adhesion strength, and the non-stick strip 12 is also made from a polyolefin support.
• all the textile zones of the suit 1 receiving the uncovered part 13 of the adhesive tape 11 sealing means 10 are advantageously covered with an overlayer not shown in the figures.
• Said overlayer is preferably a double layer PE or PP film laminated to the nonwoven fabric of combination 1.
• the suit 1 comprises a pocket, not shown in the figures, arranged inside said suit 1 and preferably at the level of the back of the jacket 2.
• This pocket is intended to contain the folded suit 1. after use in order to limit the volume to be stored while awaiting the evacuation of said combination 1 to a waste treatment center.
• This pocket has closure members to keep it closed once the suit 1 has been folded inside after use. These closure members are advantageously double-sided adhesive strips.
• the suit 1 according to the invention is easy to use by a single user without limiting his freedom of movement and while guaranteeing perfect sealing both at the level of the suit 1 itself and at the level of the equipment. additional items worn by said user.
• the combination 1 according to the invention finds particular application in the protection of a user who is or is about to enter a containment zone for asbestos removal operations in particular.

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

Priority Applications (1)

Applications Claiming Priority (2)

Publications (1)

Family

ID=66867500

Family Applications (1)

Country Status (4)

Citations (5)

• 2019
  • 2019-02-11 FR FR1901330A patent/FR3092476B1/fr active Active
• 2020
  • 2020-02-11 EP EP20703470.3A patent/EP3923758B1/de active Active
  • 2020-02-11 MA MA054931A patent/MA54931A/fr unknown
  • 2020-02-11 WO PCT/EP2020/053386 patent/WO2020165119A1/fr unknown

Patent Citations (5)

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