EP 3878731 A1 20210915 - REGULATING MEMBRANE FOR THE SECOND-STAGE REGULATOR OF TWO STAGE UNDERWATER BREATHING APPARATUSES
Title (en)
REGULATING MEMBRANE FOR THE SECOND-STAGE REGULATOR OF TWO STAGE UNDERWATER BREATHING APPARATUSES
Title (de)
MEMBRANE EINER ZWEITEN STUFE EINES ZWEISTUFIGEN TAUCHATEMREGLERS
Title (fr)
MEMBRANE DE RÉGULATION POUR UN RÉGULATEUR DE DEUXIÈME ÉTAGE D'APPAREILS DE RESPIRATION SOUS-MARINE À DEUX ÉTAGES
Publication
Application
Priority
IT 202000005305 A 20200312
Abstract (en)
A regulating membrane for a second stage regulator of two-stage underwater breathing apparatuses, comprising a continuous flexible side wall, tapered from the peripheral edge towards the top in which a rigid plate is centrally provided, coaxial to said flexible wall, said flexible side wall being provided with at least one continuous or discontinuous lateral reinforcing element, possibly protruding outwardly and/or inwardly from said membrane, to support and guide the collapsing movements of said plate with respect to the membrane.
IPC 8 full level
B63C 11/22 (2006.01)
CPC (source: EP US)
B63C 11/2227 (2013.01 - EP US)
Citation (search report)
- [Y] EP 0236208 A1 19870909 - SPIROTECH IND COMMERC [FR]
- [Y] NL 83453 C
- [A] US 4386624 A 19830607 - CHRISTIANSON TONY [US]
- [A] US 4297998 A 19811103 - CHRISTIANSON TONY
- [A] EP 1182130 A2 20020227 - HTM SPORT SPA [IT]
- [A] US 6715488 B1 20040406 - MATSUOKA MITSUSHIRO [JP]
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 3878731 A1 20210915; IT 202000005305 A1 20210912; US 2021284301 A1 20210916
DOCDB simple family (application)
EP 21161707 A 20210310; IT 202000005305 A 20200312; US 202117198100 A 20210310