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:
Nov. 11, 1997
Filed:
Dec. 07, 1995
Applicant:
Inventors:
Yukihiro Kusano, Kokubunji, JP;
Mahito Fuji, Kodaira, JP;
Masato Yoshikawa, Kodaira, JP;
Kazuo Naito, Kawasaki, JP;
Fumihiro Matsuyama, Sayama, JP;
Yoshio Nohara, Kodaira, JP;
Setsuo Akiyama, Sagamihara, JP;
Assignee:
Bridgestone Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
522157 ; 522158 ; 522159 ; 522160 ; 522 71 ;
Abstract
Only an outer surface of an unvulcanized rubber sheet is preliminarily crosslinked by irradiating an infrared ray or a far infrared ray to the unvulcanized rubber sheet prior to subsequent final vulcanization, whereby the occurrence of rubber spew and rubber flash is considerably suppressed at the vulcanization step.