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. 05, 1988
Filed:
Jan. 30, 1986
Applicant:
Inventors:
Tsutomu Isaka, Aichi, JP;
Hiroshi Nagano, Aichi, JP;
Assignee:
Toyo Boseki Kabushiki Kaisha, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
264 22 ; 15624417 ; 1562726 ; 156285 ; 264 85 ; 427 40 ;
Abstract
A process for enhancing the adhesion of the surface of a shaped product made of a polyester composition which comprises applying corona discharge to the surface under the continuous movement between an electrode for discharge and another electrode opposite thereto while jetting a gaseous material containing oxygen in an amount of not more than 20% by volume onto the part of said surface to which corona discharge is applied so as to achieve the following relationships among oxygen indexes and nitrogen indexes before and after the application of corona discharge: