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Current content: 159 823 134 patent documents

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EP 0303090 B1 19920422 - SEAL FOR PROTECTIVE MASKS

Title (en)

SEAL FOR PROTECTIVE MASKS

Publication

EP 0303090 B1 19920422 (EN)

Application

EP 88111946 A 19880725

Priority

CH 298287 A 19870804

Abstract (en)

[origin: EP0303090A1] The face seal (1) for protective masks presents substantially a bellows structure (4) and is asked to surround the whole face of the user; the bellows structure (4) allows the face seal (1) to adapt itself easily to physically different faces, reducing the number of sizes in which the mask utilizing such face seal (1) has to be realized.

IPC 1-7

A62B 18/08

IPC 8 full level

A62B 18/08 (2006.01)

CPC (source: EP)

A62B 18/08 (2013.01)

Designated contracting state (EPC)

DE GB IT

DOCDB simple family (publication)

EP 0303090 A1 19890215; EP 0303090 B1 19920422; CH 671702 A5 19890929; DE 3870351 D1 19920527

DOCDB simple family (application)

EP 88111946 A 19880725; CH 298287 A 19870804; DE 3870351 T 19880725