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Machine translation
1. (WO1981003266) DISPOSABLE SURGICAL FACE MASK AND METHOD OF PRODUCING IT
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/1981/003266    International Application No.:    PCT/GB1981/000087
Publication Date: 26.11.1981 International Filing Date: 13.05.1981
IPC:
A41D 13/11 (2006.01), B01D 39/08 (2006.01), B01D 46/10 (2006.01), D04H 13/00 (2006.01)
Applicants:
Inventors:
Priority Data:
8015934 14.05.1980 GB
Title (EN) DISPOSABLE SURGICAL FACE MASK AND METHOD OF PRODUCING IT
(FR) MASQUE FACIAL CHIRURGICAL JETABLE ET SON PROCEDE DE PRODUCTION
Abstract: front page image
(EN)A disposable surgical face mask has a body portion (1) adapted to cover the nose and mouth and has means (4), (8) to secure the body portion over the nose and mouth. The body portion comprises as the filter medium (13) a nonwoven web including or consisting of fibrillated electret fibers, e.g. of polypropylene, said web having a weight of not more than 50 g/m2, e.g. 20 to 35 g/m2, and said fibers having an average width of at least 10 microns. The body portion may include support means for the filter medium such as two webs (12) and (14) of nonwoven fabric retaining the filter medium therebetween. A method of producing the face mask is described in which the filter medium is provided by laying a web of fibrillated electret fibers by air-laying means.
(FR)Un masque facial chirurgical jetable possede un corps (1) adapte pour couvrir le nez et la bouche et possede des moyens (4, 8) pour fixer ce corps sur le nez et la bouche. Le corps comprend en tant que filtre (13) une toile non tissee comprenant ou consistant en fibres electret fibrillees, p.ex. en polypropylene, cette toile ayant un poids n'excedant pas 50g/m2, p.ex. 20 a 35g/m2 et ces fibres ayant une largeur moyenne d'au moins 10 microns Le corps peut comprendre des moyens de support pour le filtre tel que deux toiles (12 et 14) en tissu non tisse retenant le filtre entre les deux. Un procede de production du masque facial est decrit et consiste a former le filtre en deposant une toile de fibres electret fibrillees a l'aide de moyen de depot a air.
Designated States:
Publication Language: English (EN)
Filing Language: English (EN)