EP 0066522 B1 19841227 - DIAPRAGHM FOR A HYDRAULICALLY DRIVEN DIAPHRAGM PUMP WITH THE APPLICATION THEREOF
Title (en)
DIAPRAGHM FOR A HYDRAULICALLY DRIVEN DIAPHRAGM PUMP WITH THE APPLICATION THEREOF
Publication
Application
Priority
FR 8110917 A 19810602
Abstract (en)
[origin: EP0066522A1] 1. Diaphragm for hydraulically-controlled diaphragm pump of which two faces are in contact with two different fluids, said diaphragm forming a cup-shaped member (1) which is substantially spherical and comprises an annular outer edge (2) substantially plane, said diaphragm being characterised in that it is constituted in a manner known per se, by two layers, one (3) in rubber and the other (4) in plastic material such as tetrafluor-ethylene and in that each of the faces of said edge is provided with a bead (2a, 2b) by which the diaphragm is secured in the pump body.
IPC 1-7
IPC 8 full level
F04B 43/00 (2006.01)
CPC (source: EP)
F04B 43/009 (2013.01)
Designated contracting state (EPC)
AT BE CH DE GB IT LI LU NL SE
DOCDB simple family (publication)
EP 0066522 A1 19821208; EP 0066522 B1 19841227; EP 0066522 B2 19900131; AT E10964 T1 19850115; DE 3261687 D1 19850207; FR 2506859 A1 19821203; FR 2506859 B1 19860411
DOCDB simple family (application)
EP 82401008 A 19820602; AT 82401008 T 19820602; DE 3261687 T 19820602; FR 8110917 A 19810602