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. 12, 2001
Filed:
Apr. 29, 1998
Applicant:
Inventor:
Yoshinobu Shoyama, Higashiyamato, JP;
Assignee:
Bridgestone Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B60C 1/504 ; D07B 1/06 ;
U.S. Cl.
CPC ...
B60C 1/504 ; D07B 1/06 ;
Abstract
A pneumatic tire has a bead core consisting of a single core and plural sheath layers formed by helically winding plural sheath wires around the core, in which an end count of sheath wires in an outermost sheath layer is made smaller than an end count at a close-packed state or each sheath wire constituting a second sheath layer from an outermost side is covered with a coating rubber prior to the winding.