Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
TIRE
Document Type and Number:
WIPO Patent Application WO/2020/045284
Kind Code:
A1
Abstract:
According to the present invention, a bead part (60) comprises: an annular bead core (61) which is composed of resin-covered cords (61a), and which extends in the tire circumferential direction; and a bead filler (62) which is arranged adjacent to the bead core (61) on the outer side in the tire radial direction. A reinforcement sheet part (70) comprises: a first reinforcement sheet (71) which is arranged along an inner surface (80a) of the bead part (60) in the tire radial direction, and which is formed from a resin material; and a second reinforcement sheet (72) which is continued to the first reinforcement sheet (71) and is arranged along outer surfaces (80b, 90a) of the bead part (60) in the tire width direction, while being formed from a resin material. An outer end (72a) of the second reinforcement sheet (72) in the tire radial direction is positioned on the outer side in the tire radial direction in comparison to an outer end (62a) of the bead filler (62) in the tire radial direction.

Inventors:
ARIMA MASAYUKI
Application Number:
PCT/JP2019/033073
Publication Date:
March 05, 2020
Filing Date:
August 23, 2019
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
BRIDGESTONE CORP (JP)
International Classes:
B60C15/06; B60C9/02
Domestic Patent References:
WO2015156405A12015-10-15
Foreign References:
JP2012051479A2012-03-15
US20160263947A12016-09-15
JP2016022618A2016-02-08
JP2015123905A2015-07-06
JP2009274574A2009-11-26
JPH0253614A1990-02-22
Attorney, Agent or Firm:
MIYOSHI Hidekazu et al. (JP)
Download PDF: