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:
Jun. 29, 1976
Filed:
Aug. 21, 1973
Applicant:
Inventors:
Mineo Nakano, Hitachi, JA;
Takeshi Koyama, Hitachi, JA;
Yoshiro Matsumoto, Ibaragi, JA;
Akira Maruoka, Hitachi, JA;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ; B29C / ;
U.S. Cl.
CPC ...
425470 ; 425224 ; 425D / ; 425471 ; 29199 ; 428458 ;
Abstract
In making films or molded articles from polyamide, polyimide, or polyamide-imide resins, the problem of stripping or release is successfully solved by applying a noble metal layer on the surface of a film-casting belt or plate or a casting mold to be in contact with the resins.