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:
Jan. 01, 1985
Filed:
Nov. 19, 1982
Applicant:
Inventors:
Tadaoki Okumoto, Inazawa, JP;
Masatoshi Sugimoto, Kounan, JP;
Noriyuki Horiuchi, Kounan, JP;
Seiichi Sahara, Nagoya, JP;
Tetsuo Yamada, Toyota, JP;
Kinrou Hashimoto, Yokohama, JP;
Masayoshi Ichikawa, Ichinomiya, JP;
Fujio Ninomiya, Kounan, JP;
Assignees:
Toyoda Gosei Co., Ltd., Nishikasugaigun, JP;
Toyota Jidosha Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428519 ; 428517 ; 428518 ; 524205 ; 525 70 ; 525 83 ; 525 96 ; 525233 ; 525235 ; 525313 ; 525314 ;
Abstract
An oil resistant diaphragm having a liquid contacting surface made of a vulcanized rubber composition of, or composed mainly of, partially hydrogenated unsaturated nitrile-conjugated diene copolymer rubber in which at least 50% of the conjugated diene units is hydrogenated. This diaphragm is superior in resistance to deteriorated gasoline and low temperature, and is suitable for the automobile fuel pump.