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:
Sep. 18, 2007
Filed:
Feb. 14, 2003
Applicants:
Shinichi Miyazaki, Kobe, JP;
Osamu Toda, Kobe, JP;
Inventors:
Shinichi Miyazaki, Kobe, JP;
Osamu Toda, Kobe, JP;
Assignee:
Sumitomo Rubber Industries, Ltd., Kobe-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60C 9/22 (2006.01); B60C 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A pneumatic tire is provided which includes a carcass extending between bead portions, and a belt disposed radially outside the carcass in the tread portion. At least one of the carcass and belt includes a cord ply of a polyethylene-2,6-naphthalate fiber cord. The polyethylene-2,6-naphthalate fiber cord has a total denier number of from 2500 to 3600, a twist number of from 30 to 40 turns/10 cm, an initial stage modulus at 25 deg. C. in a range of from 50 to 65 gf/d, and a variation of the initial stage modulus at between 25 to 70 deg. C. which is not more than 20% in absolute value.