EP 0460980 B1 19940928 - Underwater breathing apparatus with variable volume.
Title (en)
Underwater breathing apparatus with variable volume.
Title (de)
Tauchatmungsgerät mit veränderlichem Fassungsvermögen.
Title (fr)
Appareil respiratoire de plongée à capacité variable.
Publication
Application
Priority
FR 9007076 A 19900607
Abstract (en)
[origin: EP0460980A1] The movable wall of the variable volume (5) is constituted by a diaphragm (4) made of elastomeric material preshaped to have a main part (22) and a control part (24) of reduced surface area, which is offset towards the outside in relation to the main part and arranged to interact with the pressure reducing valve (12) which selectively delivers the breathing gas (14) into the variable volume (5). <IMAGE>
IPC 1-7
IPC 8 full level
B63C 11/24 (2006.01)
CPC (source: EP US)
B63C 11/24 (2013.01 - EP US)
Designated contracting state (EPC)
BE DE ES GB IT SE
DOCDB simple family (publication)
EP 0460980 A1 19911211; EP 0460980 B1 19940928; DE 69104270 D1 19941103; DE 69104270 T2 19950216; ES 2061199 T3 19941201; FR 2662993 A1 19911213; FR 2662993 B1 19950728; JP H04231279 A 19920820; US 5199425 A 19930406
DOCDB simple family (application)
EP 91401156 A 19910502; DE 69104270 T 19910502; ES 91401156 T 19910502; FR 9007076 A 19900607; JP 12168391 A 19910528; US 71037191 A 19910522