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:
Apr. 13, 1976
Filed:
Dec. 10, 1973
Applicant:
Inventors:
Tomio Adachi, Sagamihara, JA;
Yukio Mitsuishi, Machida, JA;
Rikuo Miura, Sagamihara, JA;
Hideaki Kawakami, Sagamihara, JA;
Assignee:
Teijin Limited, Osaka, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C / ; B32B / ;
U.S. Cl.
CPC ...
156272 ; 156307 ; 428409 ; 428480 ; 428910 ; 428516 ; 428474 ; 428523 ; 250324 ;
Abstract
A method for heat bonding a polyester film directly with other film or shaped articles of polyester at a temperature below its melting point by using corona discharge treated polyester film, said polyester being predominantly alkylene terephthalate units and/or alkylene 2,6-naphthalate units and the film therefor.