EP 0249124 B1 19911030 - FILTER CASING FOR RESPIRATOR MASKS
Title (en)
FILTER CASING FOR RESPIRATOR MASKS
Publication
Application
Priority
DE 3619479 A 19860610
Abstract (en)
[origin: US4832018A] A filter case for respiratory masks, in which filter inserts are held replaceably by a holder engaging in the case wall, is improved so that filter inserts of different structural heights and in various combinations can be fastened in it with the same holder. For this purpose, the holder includes a sleeve open at both ends surrounding a filter insert that can be fastened to the inner wall of the filter case and can be moved axially by a fastener necking inward at one of the end circumference of the sleeve. A respirator mask filter holder, comprising a casing having a wall with a tubular side, a sleeve 2 engaged in said tubular said 1 and being axially moveable therein, a filter cover having replaceable filters therein and having a projecting lip, and a fastener collar carried by said sleeve and engageable with said lip upon with said lip upon inward movement of said sleeve to position said filter case against said end wall.
IPC 1-7
IPC 8 full level
A62B 18/02 (2006.01); A62B 9/00 (2006.01); A62B 18/08 (2006.01); A62B 19/00 (2006.01); A62B 23/00 (2006.01); A62B 23/02 (2006.01)
CPC (source: EP US)
A62B 23/02 (2013.01 - EP US)
Designated contracting state (EPC)
BE DE ES FR GB IT NL SE
DOCDB simple family (publication)
EP 0249124 A2 19871216; EP 0249124 A3 19890823; EP 0249124 B1 19911030; BR 8702913 A 19880308; DE 3619479 A1 19871217; DE 3619479 C2 19910418; DE 3774183 D1 19911205; ES 2027995 T3 19920701; FI 84559 B 19910913; FI 84559 C 19911227; FI 871562 A0 19870409; FI 871562 A 19871211; JP H0716523 B2 19950301; JP S6354177 A 19880308; NO 170571 B 19920727; NO 170571 C 19921104; NO 871164 D0 19870320; NO 871164 L 19871211; US 4832018 A 19890523
DOCDB simple family (application)
EP 87107937 A 19870602; BR 8702913 A 19870609; DE 3619479 A 19860610; DE 3774183 T 19870602; ES 87107937 T 19870602; FI 871562 A 19870409; JP 14164887 A 19870608; NO 871164 A 19870320; US 25950588 A 19881017