Pneumatic Radial Tire
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United States of America Patent
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N/A
Issued Date -
Nov 5, 2015
app pub date -
Dec 26, 2012
filing date -
Dec 26, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A pneumatic radial tire includes: a pair of bead portions; a pair of side wall portions; and a tread portion in which a carcass layer is mounted between the pair of bead portions, and a belt layer that includes a plurality of monofilament steel wires laid in parallel and embedded in rubber is disposed between the pair of side wall portions on an outer circumferential side in the tread portion. The wire strand diameter of the monofilament steel wires is from 0.30 mm to 0.40 mm, each of the monofilament steel wires is twisted around their axial direction with a wire surface twisting angle of 1° to 15° with respect to the axial direction of the monofilament steel wires, and the surface residual stress of the monofilament steel wires is 0 MPa or less.
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