Title:
TIRE MOLDING MOLD AND TIRE MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2022/269941
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 design surface division molding part (23) including a tread design surface (20a) for molding a tread (2c) of a tire (2) and configured to rotate about a rotating shaft (25) perpendicular to each of a movement direction of the segments (21) and an axial line of the tread molding part (20) when the tread molding part (20) is opened after vulcanization molding of the tire (2).
Inventors:
ISHIHARA YASUYUKI (JP)
Application Number:
PCT/JP2021/043049
Publication Date:
December 29, 2022
Filing Date:
November 24, 2021
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
International Classes:
B29C33/02; B29C33/26; B29C35/02; B29L30/00
Foreign References:
| JPS52103479A | 1977-08-30 | |||
| JP2018202787A | 2018-12-27 |
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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