EP 0311516 B1 19911218 - CONNECTION PIECE FOR A BREATHING MASK AND MASK PRESENTING SUCH A PIECE
Title (en)
CONNECTION PIECE FOR A BREATHING MASK AND MASK PRESENTING SUCH A PIECE
Publication
Application
Priority
FR 8713767 A 19871006
Abstract (en)
[origin: EP0311516A1] Connection piece formed by a base element (1) and a cover (2); the bottom (8) of the base element (1) has a through hole (5) fitted with a sealing ring (7) and the closed inner end of the cover (2) has a projecting element or stud (10) designed to enter said through hole (5) and seal this through hole off. The invention relates to improved breathing masks having a mask connection piece formed by a base element and a cover, by which the quality of air breathed may be determined. <IMAGE>
IPC 1-7
IPC 8 full level
A62B 18/08 (2006.01); A62B 27/00 (2006.01)
CPC (source: EP)
A62B 18/08 (2013.01); A62B 27/00 (2013.01)
Designated contracting state (EPC)
AT BE CH DE ES GB GR IT LI LU NL SE
DOCDB simple family (publication)
EP 0311516 A1 19890412; EP 0311516 B1 19911218; AT E70464 T1 19920115; DE 3867020 D1 19920130; ES 2028335 T3 19920701; FR 2621250 A1 19890407; FR 2621250 B1 19900105
DOCDB simple family (application)
EP 88402518 A 19881005; AT 88402518 T 19881005; DE 3867020 T 19881005; ES 88402518 T 19881005; FR 8713767 A 19871006