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. 11, 2000
Filed:
Jan. 13, 1998
Applicant:
Inventors:
Akira Watanabe, Yokohama, JP;
Isao Kaneko, Joetsu, JP;
Atsushi Kasai, Ibaraki-ken, JP;
Kunio Bizen, Sakaide, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; B32B / ; B32B / ; H01M / ;
U.S. Cl.
CPC ...
4284248 ; 4284231 ; 428420 ; 428421 ; 428516 ; 428517 ; 428523 ; 428 368 ; 428 357 ; 523134 ; 429163 ; 429175 ; 429176 ; 429254 ; 156242 ; 156295 ; 156313 ; 1563314 ; 156333 ;
Abstract
The present invention relates to battery parts comprising molded pieces made of polyolefin resin, whose surface to be bonded are treated so as to have at least one functional group selected from the group consisting of hydroxyl group, carboxyl group, carbonyl group, fluorosulfuryl group, sulfonic group and its metallic bases, said molded pieces being bonded together with reactive hot-melt adhesive.