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:
Jun. 02, 1992
Filed:
May. 16, 1989
Kunihiko Shimizu, Osaka, JP;
The Ohtsu Tire & Rubber Co. Ltd., Osaka, JP;
Abstract
A radial tire including at least one carcass layer extending from one of a pair of bead cores to the other bead core and composed of cords arranged radially of the tire, a belt layer provided over the crown portion of the carcass layer radially outwardly of the tire, and a bead filter rubber portion positioned on each bead core and extending radially outwardly of the tire, the carcass layer having opposite ends folded over the respective bead cores from the bead toe side toward the bead heel side, forming return portions, at least one of the return ends portion being positioned radially outwardly of the radial outer end of the bead filler rubber portion. The tire has a reinforcing layer of organic fiber having a bias angle of 40 to 60 degrees and adhered to the inner side of the bead filter rubber portion, the reinforcing layer extending along the filler rubber portion from a position radially inwardly of the bead core, and a rubber cushion having 0.5 to 1.0 times the gauge of the carcass layer and provided between the carcass folded portion and an abrasion rubber member adjacent a rim flange, the rubber cushion extending along the bead filler portion.