TIRE VULCANIZATION MOLD AND MANUFACTURING METHOD THEREOF

Title:

TIRE VULCANIZATION MOLD AND MANUFACTURING METHOD THEREOF

Document Type and Number:

Japanese Patent JP2022055324

Kind Code:

A

Abstract:

To provide a tire vulcanization mold capable of efficiently forming a blade for molding a sipe on a tread portion.SOLUTION: A tire vulcanization mold comprises a tread ring 1 for vulcanizing and molding a tread portion of a tire. The tread ring 1 includes: a base portion 3 in which a plurality of bone portions 31 for molding a plurality of grooves in the tread portion are formed; and at least one piece 4 fixed to the base portion 3. The piece 4 has a tread forming surface 41 for molding a tread surface of the tread portion 2, and a blade 42 for forming a sipe on the tread surface of the tread portion.SELECTED DRAWING: Figure 2

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Inventors:

KUSUNOKI TOMOAKI

Application Number:

JP2021146427A

Publication Date:

April 07, 2022

Filing Date:

September 08, 2021

Export Citation:

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Assignee:

SUMITOMO RUBBER IND

International Classes:

B29C33/02; B29C33/38; B29C35/02

Attorney, Agent or Firm:

Sumitomo Shintaro
Shigetake Ura
Jun Naemura
Ishihara Yukinobu
Satoshi Ichida

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