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. 29, 2008
Filed:
Apr. 26, 2005
Kazuma Nishitani, Osaka, JP;
Kazuma Nishitani, Osaka, JP;
Toyo Tire & Rubber Co., Ltd., Osaka, JP;
Abstract
The present invention provides a manufacturing method of a pneumatic tire in which a line, a letter or the like having a different color from a main body rubber is formed in a side wall portion. A manufacturing method of a pneumatic tire in which a portion having a different color from a main body rubber is formed in a side wall portion, is provided with a step of forming a band-like rubber member having a white rubber layer having a different color from a main body rubber, and a cover rubber layer formed in an outer side of the white rubber layer at a fixed thickness and having the same color as the main body rubber, and a step of spirally overlapping and winding a rubber ribbon along a tire peripheral direction so as to bond to both sides in a width direction of the band-like rubber member.