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Title:
NON-PNEUMATIC TIRE
Document Type and Number:
WIPO Patent Application WO/2016/114167
Kind Code:
A1
Abstract:
A non-pneumatic tire (1) that is provided with: an installation body (11) that is installed on an axle; a ring-shaped body (13) that surrounds the installation body (11) from the tire-radial-direction outside; a plurality of connection members (15) that are arranged between the installation body (11) and the ring-shaped body (13) along the tire circumferential direction and that connect the installation body (11) and the ring-shaped body (13); and a cylindrical tread member (16) the is provided to the outside of the ring-shaped body (13). The ring-shaped body (13) and the connection members (15) are integrally formed by means of injection molding wherein a molding material is injected from a connection member (15) side toward a ring-shaped body (13) side. The tread member (16) is provided with a base rubber part (41) that is positioned to the tire-radial-direction inside and with a cap rubber part (42) that is positioned further to the tire-radial-direction outside than the base rubber part (41). The rigidity of the base rubber part (41) is lower than the rigidity of the cap rubber part (42). The base rubber part (41) is arranged on the ring-shaped body (13) at least at sections that are positioned between connection members (15) that are adjacent in the tire circumferential direction.

Inventors:
SHOJI TAKANORI (JP)
Application Number:
PCT/JP2016/050091
Publication Date:
July 21, 2016
Filing Date:
January 05, 2016
Export Citation:
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Assignee:
BRIDGESTONE CORP (JP)
International Classes:
B60C11/00; B60B9/04; B60C7/00
Foreign References:
JP2014091453A2014-05-19
JP2012035792A2012-02-23
JPS6018407A1985-01-30
Other References:
See also references of EP 3246180A4
Attorney, Agent or Firm:
SHIGA Masatake et al. (JP)
Masatake Shiga (JP)
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