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:
Feb. 11, 2014
Filed:
Apr. 02, 2007
Hiroshi Hata, Hiratsuka, JP;
Hiroshi Hata, Hiratsuka, JP;
The Yokohama Rubber Co., Ltd., Tokyo, JP;
Abstract
Provided is a process of manufacturing a pneumatic tire, which prevents blisters from being raised on a cylindrical thermoplastic resin film due to an air pocket even in a case where the cylindrical thermoplastic resin film is used as an air permeation preventive layer. Provided is the manufacturing process suitable for a heavy-duty pneumatic tire in particular. The process of manufacturing a pneumatic tire includes: covering the making drumwith a cylindrical thermoplastic resin film; winding an uncured rubber sheet memberas a tie rubber around the thermoplastic resin film; and winding a carcass layeraround the rubber sheet member. The process is characterized in that the rubber sheet memberis wound in the circumferential direction of the tire at least twice.