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:
Sep. 06, 1988
Filed:
Apr. 23, 1987
Applicant:
Inventors:
Shigeo Utsumi, Yokohama, JP;
Yujiro Fukuda, Machida, JP;
Yoshinori Sato, Yokohama, JP;
Narihiro Masuda, Yokohama, JP;
Assignee:
Diafoil Company, Limited, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
264 22 ; 264556 ; 264213 ; 264216 ; 264237 ; 2642358 ; 264237 ; 4251 / ; 425224 ;
Abstract
Disclosed herein is a process for producing a polyphenylene sulfide film, which comprises melt-molding polyphenylene sulfides in a sheet-like form from a die, casting the thus obtained sheet-like form onto a chilled drum on which an adhering liquid has been applied, while closely contacting the sheet-like form with the chilled drum surface by an electrostatic pinning method.