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1. WO2021204729 - REUSABLE FACE MASK AND ASSOCIATED MANUFACTURING PROCESS

Publication Number WO/2021/204729
Publication Date 14.10.2021
International Application No. PCT/EP2021/058813
International Filing Date 02.04.2021
IPC
B01D 39/08 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
39Filtering material for liquid or gaseous fluids
08Filter cloth, i.e. woven, knitted or interlaced material
A41D 13/11 2006.1
AHUMAN NECESSITIES
41WEARING APPAREL
DOUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
13Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
05protecting only a particular body part
11Protective face masks, e.g. for surgical use, or for use in foul atmospheres
A62B 23/02 2006.1
AHUMAN NECESSITIES
62LIFE-SAVING; FIRE-FIGHTING
BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
23Filters for breathing-protection purposes
02for respirators
D03D 15/00 2021.1
DTEXTILES; PAPER
03WEAVING
DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
15Woven fabrics characterised by the material or construction of the yarn or other warp or weft elements used
D04B 1/10 2006.1
DTEXTILES; PAPER
04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
BKNITTING
1Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
10Patterned fabrics or articles
D04B 1/12 2006.1
DTEXTILES; PAPER
04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
BKNITTING
1Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
10Patterned fabrics or articles
12characterised by thread material
CPC
A41D 13/11
AHUMAN NECESSITIES
41WEARING APPAREL
DOUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
13Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
05protecting only a particular body part
11Protective face masks, e.g. for surgical use, or for use in foul atmospheres
A41D 2500/10
AHUMAN NECESSITIES
41WEARING APPAREL
DOUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
2500Materials for garments
10Knitted
A62B 23/025
AHUMAN NECESSITIES
62LIFE-SAVING; FIRE-FIGHTING
BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
23Filters for breathing-protection purposes
02for respirators
025the filter having substantially the shape of a mask
B01D 2239/0428
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
2239Aspects relating to filtering material for liquid or gaseous fluids
04Additives and treatments of the filtering material
0414Surface modifiers, e.g. comprising ion exchange groups
0428Rendering the filter material hydrophobic
B01D 39/083
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
39Filtering material for liquid or gaseous fluids
08Filter cloth, i.e. woven, knitted or interlaced material
083of organic material
D04B 1/106
DTEXTILES; PAPER
04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
BKNITTING
1Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
10Patterned fabrics or articles
102with stitch pattern
106at a selvedge, e.g. hems or turned welts
Applicants
  • THUASNE [FR]/[FR]
Inventors
  • CROZIER, Olivier
  • ATTARD, Mickaël
  • CHRISTOFOROU, Théodotos
  • DECHELETTE, Laurent
  • COTTE, Alain
  • CONVERT, Reynald
Agents
  • HABASQUE, Etienne
  • COLOMBIE, Damien
  • BLOT, Philippe
  • HOLTZ, Béatrice
  • ROCHER, Olivier
  • DOMENEGO, Bertrand
Priority Data
FR200363110.04.2020FR
Publication Language French (fr)
Filing Language French (FR)
Designated States
Title
(EN) REUSABLE FACE MASK AND ASSOCIATED MANUFACTURING PROCESS
(FR) MASQUE BARRIÈRE RÉUTILISABLE ET PROCÉDÉ DE FABRICATION ASSOCIÉ
Abstract
(EN) The invention relates to a mask (10) comprising a main body (12) that has a filtering area (18), the filtering area (18) being adapted to cover the mouth and nostrils of a user, the filtering area (18) being a knitted fabric consisting of synthetic multifilament yarns, each yarn comprising at least twenty-three filaments. The invention also relates to an associated manufacturing process.
(FR) L'invention concerne un masque (10) comprenant un corps principal (12) comprenant une zone filtrante (18), la zone filtrante (18) étant adaptée pour couvrir la bouche et les narines d'un utilisateur, la zone filtrante (18) est un tricot de fils multifilamentaires synthétiques, chaque fil comprenant au moins vingt-trois filaments. L'invention concerne en outre un procédé de fabrication associé.
Latest bibliographic data on file with the International Bureau