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Patent Searching and Data


Title:
METHOD FOR MANUFACTURING TIRE MOLD
Document Type and Number:
WIPO Patent Application WO/2019/102649
Kind Code:
A1
Abstract:
The purpose of the present invention is to enable easy manufacturing of a divided mold of a tire mold to improve the efficiency of manufacturing the tire mold. Provided is a method for manufacturing a tire mold having a plurality of divided molds arranged in a ring shape along a tire circumferential direction. The method for manufacturing the tire mold comprises: a step of forming a plurality of protrusion parts (16) coupled together by a coupling part (17); a step of manufacturing a mold body cast (20); a step of attaching the plurality of protrusion parts (16) to the mold body cast (20); and a step of removing the coupling part (17) from the plurality of protrusion parts (16) to manufacture a divided mold having the mold body cast (20) and the plurality of protrusion parts (16).

Inventors:
ISHIHARA YASUYUKI (JP)
Application Number:
PCT/JP2018/027958
Publication Date:
May 31, 2019
Filing Date:
July 25, 2018
Export Citation:
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Assignee:
BRIDGESTONE CORP (JP)
International Classes:
B29C33/38; B29C33/02; B29C35/02; B29L30/00
Foreign References:
JPS60155414A1985-08-15
JPH1058458A1998-03-03
JPH0825367A1996-01-30
JP2012513917A2012-06-21
JP2014141097A2014-08-07
Attorney, Agent or Firm:
NEMOTO, Keiji (JP)
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