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:
Dec. 01, 1987
Filed:
Oct. 22, 1985
Seisuke Tomita, Tokorozawa, JP;
Takatsugu Hashimoto, Higashiyamato, JP;
Bridgestone Corporation, Tokyo, JP;
Abstract
An improved process for molding and vulcanizing rubber products using a curing bladder, characterized in that the bladder is one which is made of a rubber compound containing (A) organic rubber and (B) polyorganosiloxane, the ratio of (A)/(B) being 95/5 to 5/95, or the bladder is one which is produced by surface treating (A) organic rubber with a silicone composition containing (A) organic rubber and (B) polyorganosiloxane, said polyorganosiloxane comprising at least two monovalent substituted or unsubstituted hydrocarbon groups having five or more carbon atoms and a C.dbd.C double bond connected to the silicon atom through at least one carbon atom, and having a degree of polymerization greater than 20.