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.

Date of Patent:
Jan. 01, 2008

Filed:

Mar. 01, 2005
Applicant:

Gaku Tanaka, Kobe, JP;

Inventor:

Gaku Tanaka, Kobe, JP;

Assignee:

Sumitomo Rubber Industries, Ltd., Kobe-shi, Hyogo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29D 30/38 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method of manufacturing a tire reinforcing material for achieving uniformity in stiffness at a joint of a ply of a cord fabric and improving dynamic uniformity of a tire shaped and vulcanized, the cord fabric constructed of warp cords arranged in parallel with each other and wefts arranged substantially orthogonally to the warp cords, includes: a topping step for coating with rubber the cord fabric having the wefts folded back at respective warp cords at opposing ends of the cord fabric to produce a ply; a cutting step for cutting the ply into ply pieces each having a predetermined length; a joint forming step for removing one to five cords at each of opposing ends of the ply to form a joint; and a joining step for joining together the joint of one of the ply pieces and the joint of another ply piece.


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