RUN FLAT TIRE

WIPO Patent Application WO/2020/090850

A1

According to the present invention, a bead part (60) comprises: an annular bead core (61) which is composed of resin-coated cords (61a) and extends in the tire circumferential direction; and a bead filler (62) which is formed of a resin material and is arranged adjacent to the bead core (61) on the outer side in the tire radial direction. A carcass (40) comprises: a main body part (41); and a turn-up part (42) which is continuous with the main body part (41) and is folded back outwardly in the tire width direction, with the bead core (61) being interposed therebetween. A run flat tire (10) according to the present invention is provided with a reinforcement sheet (80) which is arranged along an inner surface (42a) of the turn-up part (42), said inner surface being on the inner side in the tire width direction, and which is formed of a resin material that is the same as or different from the resin material that constitutes the bead filler (62). An end (62a) of the bead filler (62), said end being on the outer side in the tire radial direction, is arranged between both ends (80a, 80b) of the reinforcement sheet (80) in the tire radial direction.

JP2013063716	PNEUMATIC TIRE
JPH0749242	[Title of the Invention] Pneumatic radial tire for heavy load
JP5461874	tire

ARIMA MASAYUKI

PCT/JP2019/042468

May 07, 2020

October 30, 2019

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BRIDGESTONE CORP (JP)

B60C15/06; B60C17/00

WO2005047028A1

2005-05-26

JP2012051479A	2012-03-15
JP2018135019A	2018-08-30
JP2002205515A	2002-07-23
JPH09300924A	1997-11-25

MIYOSHI Hidekazu et al. (JP)

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