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:
Apr. 26, 1994
Filed:
Jun. 17, 1992
Applicant:
Inventors:
Michael J King, Concord, CA (US);
Paul E Rier, Jr, Argyle, TX (US);
Robert A Flynn, San Francisco, CA (US);
Assignee:
Oliver Rubber Company, Oakland, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
425 17 ; 156 96 ; 156382 ; 156909 ; 264 36 ; 425 20 ; 425 24 ;
Abstract
An improved curing envelope is provided for use in a retreading or recapping process. The improved curing envelope includes integrally formed gas passageways in the inner circumferential wall thereof which permits the ingress and egress of gas into the interior of the curing envelope and retains pre-cured tread material in position for properly forming or securing the new tread to the carcass during the bonding process.