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Patent Searching and Data


Title:
TIRE
Document Type and Number:
WIPO Patent Application WO/2015/190383
Kind Code:
A1
Abstract:
A pneumatic tire (1) provided with a bead portion (2) including a bead core (10), and a carcass layer (3) folded over around the bead core (10), wherein the bead portion (2) includes: a bead inner-surface portion (21) disposed inside the carcass layer (3) in a tire width direction and comprising a region extending from a bead toe (2a) toward the outside in a tire radial direction; and a bead base portion (22) comprising a region inside the carcass layer (3) in the tire radial direction and extending from the bead toe (2a) toward the outside in the tire width direction, the bead inner-surface portion (21) including a high-hardness rubber layer (100) in at least a part thereof having a hardness greater than the hardness of the bead base portion (22).

Inventors:
TSUCHIYA KEI
Application Number:
PCT/JP2015/066168
Publication Date:
December 17, 2015
Filing Date:
June 04, 2015
Export Citation:
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Assignee:
BRIDGESTONE CORP (JP)
International Classes:
B60C15/024; B60C5/00; B60C15/00; B60C15/06
Foreign References:
JPH05124407A1993-05-21
JPH01297310A1989-11-30
JPH04126601A1992-04-27
JP2000001109A2000-01-07
Attorney, Agent or Firm:
MIYOSHI, Hidekazu et al. (JP)
Hidekazu Miyoshi (JP)
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