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:
Aug. 14, 2018
Filed:
Jun. 17, 2011
Mutsuki Sugimoto, Kobe, JP;
Mutsuki Sugimoto, Kobe, JP;
SUMITOMO RUBBER INDUSTRIES, LTD., Kobe-Shi, Hyogo, JP;
Abstract
A method for manufacturing a pneumatic tire including: (a) an assembly step of bonding the inner liner and an unvulcanized rubber sheet with end portions thereof in a width direction being displaced from each other in the range of 50 mm to 500 mm in the width direction to manufacture a laminate; (b) a cutting step of cutting the laminate to have a constant length corresponding to a width of a drum to manufacture a cut sheet; and (c) a joining step of winding the cut sheet on entire circumference of the drum such that a cut surface thereof extends in a circumferential direction of the drum and the inner liner is disposed on an inner surface side, and joining the end portions of the inner liner and joining the end portions of the unvulcanized rubber sheet.