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:
Dec. 02, 2003
Filed:
Sep. 18, 2000
Philippe Bonningue, Paris, FR;
L'Oreal, Paris, FR;
Abstract
Dispensing device intended to equip a container, particularly a container containing a cosmetic product, comprises a base part and an assembly which can move with respect to the base part and defines therewith a variable volume pumping chamber. The assembly comprises a piston mobile between two extreme positions and a control member, secured to the piston, passing through the stationary base part and equipped with at least one outlet passage allowing the product to be dispensed. The piston comprises at least one intake passage allowing the pumping chamber to be filled. The control member is mobile with respect to the piston between a dispensing position and a filling position. The piston comprises a shut off for shutting off the outlet passage when the control member is in its filling position and/or the control member comprises a shut off for shutting off the intake passage, when the control member is in its dispensing position.