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:
Feb. 15, 1983
Filed:
May. 29, 1981
Applicant:
Inventors:
Assignee:
Unitika Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06M / ; D06M / ;
U.S. Cl.
CPC ...
252-88 ; 427386 ; 528 73 ;
Abstract
This invention is a method for manufacturing polyester fibers with good adhesion to rubber, characterized in that in the process of making the filaments, a filament-making oil (spin finish) containing epoxy, blocked isocyanate, and polyoxyalkylene amine compounds is added to the polyester fibers, and they are then heat-treated.