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. 27, 1976
Filed:
Mar. 20, 1974
Applicant:
Inventors:
Hiroshi Okubo, Takasaki, JA;
Masamichi Kato, Takasaki, JA;
Isao Kaetsu, Takasaki, JA;
Akihiko Ito, Takasaki, JA;
Assignee:
Japan Atomic Energy Research Institute, Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
264338 ; 106 3822 ; 264-1 ; 264331 ; 264341 ;
Abstract
A process for producing cast polymer is carried out by using a mold treated by the following steps: coating the glass surface of the mold with polysiloxane; heating the coated glass surface at a temperature in the range of from more than about 150.degree. C. to a temperature at which the coated polysiloxane is not hardened yet; and wiping the coated surface of baked polysiloxane. Not only is easy mold release attained, but also repeated use of the same mold becomes possible.