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1. (WO1999006701) IMPROVEMENT TO A PUMP BODY AND METHOD FOR MAKING SAME

Pub. No.:    WO/1999/006701    International Application No.:    PCT/FR1998/001691
Publication Date: Fri Feb 12 00:59:59 CET 1999 International Filing Date: Fri Jul 31 01:59:59 CEST 1998
IPC: B05B 11/00
F04B 53/10
Applicants: REXAM SOFAB
BOUGAMONT, Jean-Louis
DUMONT, Pierre
LOMPECH, Hervé
Inventors: BOUGAMONT, Jean-Louis
DUMONT, Pierre
LOMPECH, Hervé
Title: IMPROVEMENT TO A PUMP BODY AND METHOD FOR MAKING SAME
Abstract:
The invention concerns a pump comprising in particular a substantially cylindrical single-piece body (1) provided, in its lower part, with an intake conduit (11) for the product and a valve consisting of a cavity (10) containing an element (2) capable of moving between a down stop (12b) corresponding to the closure of said intake conduit (11) and an up stop (12a) corresponding to the opening of said conduit (11). The invention is characterised in that the up stop (12a) is formed by at least one inner discontinuous projection (120) whereof the transverse dimension (X) measured in the cavity (10) is at least equal to 20 % of the greatest dimension of the mobile element (2).