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US 2015/0020939 A1Published application
Tire mold, tire, and tire manufacturing method
AssigneeBridgestone Corporation
InventorsHiroyuki KATSUNO, Ryoichi WATABE, Masahiro KATAYAMA
Life of this patent
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Abstract
The tread surface of a tire according to the present invention is molded with a tire mold having a tread molding surface, and at least a portion of the tread molding surface is formed by projecting spherical projection material having a predetermined sphericity and causing the spherical projection material to collide.
Claims1
A tire comprising a tread,
- a surface of the tread being molded by a tire mold comprising:
- a tread molding surface to mold a tread surface of a tire,
- at least a portion of the tread molding surface being formed by projecting spherical projection material having a sphericity of 15 μm or less and causing the spherical projection material to collide.
Dependencies are inferred from the claim text.