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Title:
TIRE VULCANIZATION MOLD
Document Type and Number:
WIPO Patent Application WO/2018/061053
Kind Code:
A1
Abstract:
Provided is a tire vulcanization mold that: has side-molding surfaces that have precisely arranged gaps that discharge air that is between side molds and a green tire; and can suppress molding defects. A tire vulcanization mold 10 that comprises a pair of upper and lower side molds 14, 15 that have side-molding surfaces 14a, 15a that mold side wall parts of a tire. The side molds 14, 15 comprise a side mold main body 21, a plurality of pieces 23, and gaps 29 that are formed between the side mold main body 21 and the pieces 23. The side mold main body 21 comprises, at intervals in a tire circumferential direction, a plurality of recesses 25 that are closed in the tire circumferential direction and a tire radial direction and open toward the side-molding surface 15a. The pieces 23 fit into the recesses 25 and, with the side mold main body 21, form the side-molding surface 15a. The gaps open toward the side-molding surface 15a.

Inventors:
OHARA MASAAKI (JP)
Application Number:
PCT/JP2016/004382
Publication Date:
April 05, 2018
Filing Date:
September 28, 2016
Export Citation:
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Assignee:
TOYO TIRE & RUBBER CO (JP)
International Classes:
B29C33/02; B29C35/02
Foreign References:
JP2012135897A2012-07-19
JPS63264308A1988-11-01
Attorney, Agent or Firm:
TSUTADA, Masato et al. (JP)
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