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. 23, 2002
Filed:
May. 18, 2000
Walter Lee Willard, Jr., Greenville, SC (US);
James Milo Endicott, Greenville, SC (US);
Jeffrey Scott Craddock, Simpsonville, SC (US);
Michelin Recherche et Technique S.A., Grange-Paccot, CH;
Abstract
The run-flat tire ( ) of this invention includes spaced apart bead areas ( ) having a unique design to include first ( ) and second ( ) bead fillers adjacent a bead core ( ). The second bead filler ( ) is bounded by the first bead filler ( ) and bead core ( ). The method for manufacturing the tire to eliminate voids at the bead core ( ) of the cured tire is also provided. The bead fillers are made to be resilient so that the tire can be easily mounted on a rim, particularly improving the ability to mount a run-flat tire ( ) on a rim ( ). The bead core ( ) and fillers ( ) are designed for helping to sustain the run-flat tire ( ) on the rim ( ) with a loss of inflation pressure and to improve the running performance of the tire.