The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 21, 2010
Filed:
Nov. 04, 2004
François Le Maner, La Vallée Montaure, FR;
François Le Maner, La Vallée Montaure, FR;
Valois S.A.S., Le Neubourg, FR;
Abstract
A pump for distributing a fluid product is provided. The pump includes: a pump body (); a pump chamber (); at least one first piston () sliding inside the pump chamber () for distributing the fluid product; a distribution orifice (); an obturator () that can be displaced and/or deformed between a closed position of the distribution orifice () and an open position of the distribution orifice (), the chamber including an inlet valve () separating the pump chamber () from a dip tube () extending toward a fluid product reservoir (); and a bypass passage () provided between the dip tube () and the pump chamber (), the bypass passage () being placed upstream from the inlet valve () and connecting the pump chamber () to the dip tube () when the pump is primed.