Title:
TIRE MOLDING MOLD AND TIRE MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2022/269942
Kind Code:
A1
Abstract:
Provided are a tire molding mold (1) comprising a ring-shaped tread molding part (20) configured to open and close as a plurality of segments (21) move in a radial direction, and a tire manufacturing method using the same. The tire molding mold (1) is characterized in that each of the segments (21) has a pressing member (30) that, when the tread molding part (20) is opened after vulcanization molding of a tire (1), protrudes from a tread design surface (20c) for molding a tread (2c) of the tire (2) and presses the tread (2c) of the tire (2) after vulcanization molding.
Inventors:
ISHIHARA YASUYUKI (JP)
Application Number:
PCT/JP2021/043051
Publication Date:
December 29, 2022
Filing Date:
November 24, 2021
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
International Classes:
B29C33/02; B29C33/44; B29C35/02; B29L30/00
Foreign References:
| JP2006341415A | 2006-12-21 | |||
| JP2011140192A | 2011-07-21 | |||
| US5066448A | 1991-11-19 |
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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