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:
Mar. 16, 1999
Filed:
Oct. 17, 1997
Applicant:
Inventors:
Johnny C Chandler, Hartselle, AL (US);
Douglas J Conley, Pewee Valley, KY (US);
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
B29O / ; F16L / ;
U.S. Cl.
CPC ...
1563941 ; 156 96 ; 156286 ; 156382 ; 156909 ; 285200 ;
Abstract
An envelope for retreading tires includes a valve which does not require the use of wicking material or other additions between the valve and the tire tread. This is accomplished by providing grooves in the bottom surface of the base of the valve, providing a flat ring surrounding the central hole on the bottom surface of the base of the valve, and providing internal passages from the grooves to the central hole. The valve base and stem are preferably made from two pieces which are joined together.