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:
Nov. 17, 1992
Filed:
Oct. 24, 1990
Yoshiaki Uemura, Kobe, JP;
Sumitomo Rubber Industries, Ltd., Hyogo, JP;
Abstract
A radial tire comprises: a pair of bead cores disposed one in each bead portion of the tire; a carcass having radially arranged cords turned up around the bead cores form the axially inside to the outside thereof; a rubber tread disposed radially outside the carcass; a belt comprising a wider ply and a narrower ply disposed adjacently between the carcass and the tread, each belt ply comprising parallel metallic cords each composed of at most five metallic strands, each strand having a diameter of in a range of 0.10 mm to 0.22 mm, the cord count in each belt plies being in a range of 25 to 45 cords/5 cm in a direction at a right angle to the cord direction; and a rubber damper layer disposed between said adjacent belt plies, the damper layer having a substantially uniform thickness so that the distance between the cords of one belt ply and the cords of the other belt ply is in a range of 2.0 mm to 3.0 mm, and the damper layer having a width being not more than the wider belt ply width and not less than the narrower belt ply width.