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Title:
TIRE MOLDING MOLD, METHOD FOR MANUFACTURING TIRE MOLDING MOLD, AND TIRE
Document Type and Number:
WIPO Patent Application WO/2019/163213
Kind Code:
A1
Abstract:
A tire molding mold comprising: a body part that is provided with a tread pattern forming body composed of a plurality of pattern forming body pieces arranged in a circumferential direction of the tire molding mold, and that forms a pattern of a tread surface of a tire, the pattern forming body pieces molding an outside contour of the tread surface of the tire; and a plurality of ridge parts that extend in a radial direction of the tire molding mold from the body part and form a groove shape on the tread surface of the tire, the plurality of ridge parts including a first ridge part and a second ridge part extending so as to intersect the first ridge part. The first ridge part is provided in a lateral surface thereof with a concave part extending in the radial direction of the tire molding mold. The second ridge part is provided at an end thereof with a connecting part having a shape fitting in the concave part. The connecting part is fitted in the concave part.

Inventors:
ISHIHARA YASUYUKI (JP)
KOBAYASHI NAOTO (JP)
Application Number:
JP2018/041404
Publication Date:
August 29, 2019
Filing Date:
November 07, 2018
Export Citation:
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Assignee:
BRIDGESTONE CORP (〒1048340, JP)
International Classes:
B29C33/02; B29C35/02; B29C33/38; B29D30/00; B29L30/00
Foreign References:
JPH0516144A1993-01-26
JP2012513917A2012-06-21
JP2006256240A2006-09-28
JP2014111390A2014-06-19
JP2017213830A2017-12-07
JPH11291250A1999-10-26
JPH09141667A1997-06-03
Attorney, Agent or Firm:
SUGIMURA Kenji (〒1000013, JP)
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