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Patent Searching and Data


Title:
SIPE BLADE AND TIRE MOLD
Document Type and Number:
WIPO Patent Application WO/2022/163060
Kind Code:
A1
Abstract:
A sipe blade which is implanted in a base mold and molds a sipe in a tire is provided with a first blade molded by pressing a plate member and a second blade having a thickness greater than the thickness of the first blade. The second blade is provided with a contact part which extends along the outer periphery of the first blade implanted in the base mold and into which one molding surface of the first blade comes in contact along the peripheral edge part of the first blade or a fitting part which accommodates the peripheral edge part of the first blade and with which both molding surfaces of the first blade come in contact.

Inventors:
ISHIHARA Yasuyuki (JP)
Application Number:
PCT/JP2021/041149
Publication Date:
August 04, 2022
Filing Date:
November 09, 2021
Export Citation:
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Assignee:
BRIDGESTONE CORPORATION (JP)
International Classes:
B29L30/00; B29C33/02; B29C35/02
Attorney, Agent or Firm:
MIYAZONO Yasuo (JP)
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