Title:
TIRE
Document Type and Number:
Japanese Patent JP2017105262
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a tire comprising tire skeleton members made of resin material, and a rubber thread, and capable of maintaining roundness in the tire skeleton members.SOLUTION: A tire comprises: a tire skeleton member 12 made of resin material, including bead parts 20, side parts 22, and a crown part 24; a belt layer 14 as an example of a reinforce layer with bending rigidity higher than that of an outer circumferential part of the tire skeleton member 12, and disposed on a tire radial direction outside of the tire skeleton member 12; a top tread 18 as an example of a tread arranged on the tire radial direction outside of the belt layer 14 and made of rubber material; and a first width direction groove 118 as an example of a width direction groove disposed in the top tread 18. An opening area of the first width direction groove 118 per one piece thereof in a grounding surface of the top tread 18 is 2.5% or less of the grounding area of the top tread 18.SELECTED DRAWING: Figure 1
Inventors:
KIWAKI KOYO
Application Number:
JP2015238904A
Publication Date:
June 15, 2017
Filing Date:
December 07, 2015
Export Citation:
Assignee:
BRIDGESTONE CORP
International Classes:
B60C11/03; B60C5/01
Attorney, Agent or Firm:
Atsushi Nakajima
Kato Kazunori
Hiroshi Fukuda
Kato Kazunori
Hiroshi Fukuda