Patent ID: 11904562
Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
Field: Other special machines (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. A tire vulcanization mold comprising:
a molding surface for molding a tire during vulcanization molding, wherein
the molding surface includes a first region in which a plurality of recesses for forming a plurality of projections on a surface of the tire are provided,
in the first region, at least two of the recesses are arranged per mm2,
each of the recesses includes a side wall surface, a bottom surface, and a virtual recess central axis extending in a depth direction of the recess, and
in a side cross-sectional view of each of the recesses including the virtual recess central axis:
the bottom surface of the recess includes only one bottom projection projecting outward in the depth direction of the recess, and
the side wall surface of the recess includes an arc-shaped surface smoothly connected to the bottom surface of the recess.