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:
Aug. 21, 1984
Filed:
Feb. 17, 1982
Applicant:
Inventors:
Hikaru Shii, Tokyo, JP;
Humio Sugimoto, Tokyo, JP;
Assignee:
The Furukawa Electric Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428212 ; 427 57 ; 427 79 ; 427172 ; 428291 ; 428910 ;
Abstract
The present invention provides a polyolefin film for electric insulation which is obtained by using a uniaxially drawn film of crystalline polyolefin, in which intramicrofibril and intermicrofibril amorphous parts of the uniaxially drawn film are impregnated with a low loss insulation oil, and which simultaneously satisfies the following conditions: