EP 1243291 A1 20020925 - A filter and a disposable dustproof mask with use of said filter
Title (en)
A filter and a disposable dustproof mask with use of said filter
Title (de)
Filter und und eine mit solchem Filter ausgerüstete staubdichte Wegwerfschutzmaske
Title (fr)
Filtre et masque respiratoire jetable, étanche à la poussière équipée d'un tel filtre
Publication
Application
Priority
JP 2001085097 A 20010323
Abstract (en)
A filter characterizing to be folded to have bellows shape, wherein said filter is peaked at the center position which covers the nose part and gradually becomes lower with steps toward the peripheral brim, and a disposable dustproof mask using said filter. <IMAGE>
IPC 1-7
IPC 8 full level
A61M 16/06 (2006.01); A62B 18/02 (2006.01); A62B 23/02 (2006.01); B01D 39/14 (2006.01)
CPC (source: EP)
A62B 23/025 (2013.01)
Citation (search report)
- [X] EP 0286016 A1 19881012 - DRAEGERWERK AG [DE]
- [X] BE 625287 A
- [X] EP 0149590 A2 19850724 - FLODINS FILTER AB [SE]
- [X] EP 0469498 A2 19920205 - BILSOM AB [SE]
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 1243291 A1 20020925; EP 1243291 B1 20070221; DE 60218238 D1 20070405; DE 60218238 T2 20080103; JP 2002282373 A 20021002; JP 4927262 B2 20120509
DOCDB simple family (application)
EP 02006551 A 20020320; DE 60218238 T 20020320; JP 2001085097 A 20010323