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:
Aug. 27, 1991
Filed:
Jan. 30, 1991
Kazuyuki Kabe, Tokyo, JP;
Ken Takahashi, Atsugi, JP;
The Yokohama Rubber Co., Ltd., Tokyo, JP;
Abstract
A pneumatic radial tire comprising a carcass layer, a tread portion and a belt layer disposed therebetween, the belt layer having a structure composed of at least two layers, wherein the belt layer is formed at least at a central portion of the cross section thereof to have a parallel portion substantially parallel to the axis of rotation of the tire over a width corresponding to 30 to 50% of the maximum width of the belt layer; and the carcass layer is formed in such a manner that when the tire is mounted on a rim and filled with air to 10% of a normal internal pressure, a portion corresponding to the parallel portion of the belt layer has a profile of a carcass line joined parallel to the parallel portion and a portion tangentially extending from the edge of the parallel portion and leading through the maximum width portion of the tire to at least the upper edge of a bead filler has a profile of a carcass line comprising arcs having substantially the same radius of curvature.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile