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. 19, 2022
Filed:
Dec. 22, 2017
Bridgestone Corporation, Tokyo, JP;
Isao Kuwayama, Kodaira, JP;
BRIDGESTONE CORPORATION, Tokyo, JP;
Abstract
A pneumatic tire comprising a carcass, at least one inclined belt layer, at least one first circumferential cord layerarranged inward in the tire radial direction of the inclined belt layer, a treadarranged outward in the tire radial direction of the inclined belt layer, and a second circumferential cord layerwhich is arranged outward in the tire radial direction so as to cover a tire width direction end of the inclined belt layer, and where X is defined as X=Y×n×m×d, Y is the Young's modulus (GPa) of the cord, n is the number of cords implanted (cords/50 mm), d is the cord diameter (mm), and m is the number of the first circumferential cord layers, X is smaller than X of the first circumferential cord layer