Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
TIRE
Document Type and Number:
WIPO Patent Application WO/2020/090750
Kind Code:
A1
Abstract:
A bead section (60) of a pneumatic tire (10) has a bead structure (61) including a bead filler (64) and a bead core (62). A carcass ply (40) is turned back around the bead structure (61) to the outside in the tire width direction. In a cross-section taken along the tire radial direction and the tire width direction, the bead core (62) is square-shaped, and a round section (69) bulging inward in the tire radial direction is formed at the inner end of the bead structure (61) in the tire radial direction. The round section (69) is formed to be located further inward in the tire radial direction than the bead core (62) and is configured from a curved surface having a plurality of curvatures.

Inventors:
FUDEMOTO HIROYUKI
Application Number:
PCT/JP2019/042197
Publication Date:
May 07, 2020
Filing Date:
October 28, 2019
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
BRIDGESTONE CORP (JP)
International Classes:
B60C15/00; B60C15/06
Foreign References:
JP2016113098A2016-06-23
JP2001191764A2001-07-17
JP2006168499A2006-06-29
JP2007168493A2007-07-05
JPH11310017A1999-11-09
JPH11198617A1999-07-27
JP2011235835A2011-11-24
Attorney, Agent or Firm:
MIYOSHI Hidekazu et al. (JP)
Download PDF: