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Patent Searching and Data


Title:
空気入りタイヤの製造方法
Document Type and Number:
Japanese Patent JP6825899
Kind Code:
B2
Abstract:
The invention relates to a manufacturing method for a pneumatic tyre. Provided is a method for manufacturing a pneumatic tire in which air is hard to left on places near the end on the width directionof a butyl rubber layer. The manufacturing method for a pneumatic tyre has following processes: laminating a butyl rubber layer (31) and a separating layer (30) from above a rubber chafer (13), clamping the end on a width direction of the butyl rubber layer (31) by the rubber chafer (13) and the separating layer (30), wherein before the process, slope above 20 DEG and below 35 DEG is formed on the end of the width direction of the butyl rubber layer (31) and the separating layer (30), relative to surfaces (34, 35) of the butyl rubber layer (31) and the separating layer (30), in the above process, setting overlap width (L1) of the rubber chafer (13) and the butyl rubber layer (31) to be above 5 mm and below 20 mm.

Inventors:
Kazutaka Ohta
Application Number:
JP2016244723A
Publication Date:
February 03, 2021
Filing Date:
December 16, 2016
Export Citation:
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Assignee:
toyo tire Co., Ltd.
International Classes:
B29D30/30
Domestic Patent References:
JP2015044320A
JP2009202471A
JP2009126238A
JP2012040780A
Attorney, Agent or Firm:
Masato Tsuda
Tetsuji Nakamura
Katsuyuki Tomita
Ariyoshi Yasuomi
Ryu Maesawa
Mizutori Masahiro