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EP 0172795 A3 19870114 - A FLUID PUMP

Title (en)

A FLUID PUMP

Publication

EP 0172795 A3 19870114 (EN)

Application

EP 85850233 A 19850710

Priority

CH 371284 A 19840801

Abstract (en)

[origin: EP0172795A2] A fluid pump having an elastic tubular member (21) as pumping element. The tube is provided with helically extending reinforcing threads (42). Pressurization of the interior of the tube results in a change of volume of the tube. This volume change accomplishes the pumping.

IPC 1-7

F04B 9/10; F04B 43/10

IPC 8 full level

F04B 43/00 (2006.01); F04B 43/08 (2006.01); F04B 43/10 (2006.01); F04B 47/02 (2006.01)

CPC (source: EP)

F04B 43/10 (2013.01); F04B 47/024 (2013.01)

Citation (search report)

[Y] GB 1497712 A 19780112 - VERGNET M
[Y] US 3335666 A 19670815 - CZARNECKI JERZY J
[A] DE 1911525 A1 19691002 - STEFANI ROBERTO DE

Designated contracting state (EPC)

AT BE CH DE FR GB IT LI NL

DOCDB simple family (publication)

EP 0172795 A2 19860226; EP 0172795 A3 19870114; CH 657668 A5 19860915; JP S61106986 A 19860524

DOCDB simple family (application)

EP 85850233 A 19850710; CH 371284 A 19840801; JP 15845985 A 19850719