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Patent Searching and Data


Title:
MANUFACTURING METHOD FOR PNEUMATIC TIRE
Document Type and Number:
Japanese Patent JP2015066847
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a manufacturing method for a pneumatic tire which can suppress vulcanization failure due to an air accumulation.SOLUTION: When a vulcanization bladder 2 is inserted into an unvulcanized tire T arranged in a metal mold, the unvulcanized tire T is so constituted as to have a tie rubber sheet 7 in the outer periphery of an innermost layer inner liner 6 molded from a thermoplastic resin or a thermoplastic resin elastomer composition and to be equipped with a recess in the outer peripheral surface of the inner liner 6 and/or the inner peripheral surface of the tie rubber sheet 7, so that an air gap 11 with a height Di is formed between the inner liner 6 and the tie rubber sheet 7, and the vulcanization bladder 2 has a groove 12 with a depth Db in the outer surface to make the air gap height Di larger than the groove depth Di.

Inventors:
UEMURA TAKANORI
Application Number:
JP2013204007A
Publication Date:
April 13, 2015
Filing Date:
September 30, 2013
Export Citation:
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Assignee:
YOKOHAMA RUBBER CO LTD
International Classes:
B29D30/06
Attorney, Agent or Firm:
Seiryu International Patent Service Corporation
Daytime Takayoshi
Shinichi Ogawa
Noguchi Kenteru
Kenji Sato
Hirai Isao
Sakazawa Masao