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:
Mar. 03, 1992
Filed:
Nov. 16, 1990
Applicant:
Inventors:
Frederic Leroy, Saint-Cloud, FR;
Andre Charon, Louvres, FR;
Gerard Braque, Mitry-le-Neuf, FR;
Daniel Bauer, Le Raincy, FR;
Assignee:
L'Oreal, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B / ;
U.S. Cl.
CPC ...
417571 ; 417313 ; 141 20 ;
Abstract
Device for the compression and storage of air comprising, on the one hand, a reservoir (1) provided with an air discharge head (5) intended for cooperation with a container to be charged with compressed air and, on the other hand, at least one compression chamber (C1), associated with air inlet valves (19) and air ejection valves (15) and with a compression element actuated by a motor means (13) compressing the volume of the chamber (C1) between a maximum volume and a minimum volume, the ratio between the maximum volume and the minimum volume of the said chamber (C1) being from 1.2 to 20.