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:
Jul. 08, 1997
Filed:
Jan. 12, 1994
Applicant:
Inventor:
Benoit Le Rossignol, Rennes, FR;
Assignees:
Automobiles Peugeot, Paris, FR;
Automobiles Citroen, Neuilly Sur Seine, FR;
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ;
U.S. Cl.
CPC ...
428226 ; 138 26 ; 138 30 ; 428337 ; 4284763 ; 428515 ; 524557 ;
Abstract
An impermeable elastic membrane for hydropneumatic accumulators is made from an impermeable film of completely hydrolyzed polyvinyl alcohol, with a high molecular weight, and plasticized, with protective layers on both sides of polyamide, ethylene vinyl alcohol, or ethylene vinyl acetate. The membrane may be used in the hydropneumatic suspension of an automobile. The film can be obtained by extrusion, by injection molding, or by pressure molding.
Le Rossignol, Benoit. (1997). Impermeable elastic membrane (U.S. Patent No. 5645922). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5645922
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile