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.

Date of Patent:
Sep. 13, 1988

Filed:

Jun. 15, 1987
Applicant:
Inventors:

Hideki Yagyu, Ibaraki, JP;

Ikuo Seki, Ibaraki, JP;

Mituharu Morozumi, Kanagawa, JP;

Yasumichi Ito, Kanagawa, JP;

Rikichi Koike, Ibaraki, JP;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; H01B / ;
U.S. Cl.
CPC ...
428383 ; 1741 / ; 1741 / ; 428372 ; 428384 ; 428389 ; 428390 ; 428365 ;
Abstract

A fluorine-containing elastomeric electric insulating material is disclosed. The material is a vulcanized product of a composition comprising 100 parts by weight of a fluorine-containing elastomeric copolymer having a number average molecular weight of from 20,000 to 60,000, containing as major components a unit based on tetrafluoroethylene and a unit based on an .alpha.-olefin having 2 to 4 carbon atoms and exhibiting rubber elasticity at room temperature, 0.1 to 5 parts by weight of an organic peroxide and 0.1 to 20 parts by weight of a polyallyl compound.


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