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US 10,173,471 B2Granted
Pneumatic tire with cylindrical metal annular structure and method of manufacturing same
AssigneeThe Yokohama Rubber Co., Ltd.
InventorsAtsushi Tanno, Noboru Takada, Susumu Imamiya
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Abstract
A pneumatic tire includes: an annular structure that is cylindrical and metal where at least an outer side surface in the radial direction is a rough surface; a tread rubber layer that will become a tread portion provided along a circumferential direction of the annular structure on an outer side of the annular structure; and a carcass portion including fibers covered with rubber, provided on at least both sides in a direction parallel to a center axis of the cylindrical structure including the annular structure and the tread rubber layer.
Claims22
A pneumatic tire comprising:
- an annular structure that is cylindrical and metal where an outer side surface in a radial direction is a rough surface having an arithmetic mean roughness Ra of not less than 0.5 μm and less than 1.5 μm, the rough surface being formed by application of a roughening treatment to the outer side surface;
- a tread rubber layer forming a tread portion provided along a circumferential direction of the annular structure on an outer side of the annular structure;
- and
- a carcass portion including fibers covered with rubber provided on at least both sides, in a direction parallel to a center axis, of a cylindrical structure including the annular structure and the tread rubber layer.
1 more element
Dependencies are inferred from the claim text.