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Patent Searching and Data

Document Type and Number:
WIPO Patent Application WO/2014/103721
Kind Code:
This non-pneumatic tyre comprises: an attachment body (11) which is attached to an axle; a ring member (14) comprising an inner cylinder body (12) that is fitted to the exterior of the attachment body (11), and an outer cylinder body (13) that surrounds the inner cylinder body (12) from the outside in the tyre radial direction; and a plurality of connecting members (15) which are arranged between the inner cylinder body (12) and the outer cylinder body (13) along the tyre circumferential direction, and connect both of the cylinder bodies (12, 13) to one another. The plurality of connecting members (15) and at least a portion of the ring member (14) are integrally formed from a synthetic resin material that has a flexural modulus of at least 300 MPa as measured by a three-point bending test in compliance with ISO 178, and has a melting point of 120-350°C inclusive.

FUDEMOTO Hiroyuki (Technical Center 3-1-1, Ogawahigashi-cho, Kodaira-sh, Tokyo 31, 〒1878531, JP)
IZUMOTO Ryuji (Technical Center 3-1-1, Ogawahigashi-cho, Kodaira-sh, Tokyo 31, 〒1878531, JP)
KOTSUBO Hidefumi (Technical Center 3-1-1, Ogawahigashi-cho, Kodaira-sh, Tokyo 31, 〒1878531, JP)
Application Number:
Publication Date:
July 03, 2014
Filing Date:
December 11, 2013
Export Citation:
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BRIDGESTONE CORPORATION (1-1 Kyobashi 3-chome, Chuo-ku Tokyo, 40, 〒1048340, JP)
International Classes:
B60C7/00; B60B9/04; B60C5/01
Foreign References:
Other References:
See also references of EP 2939850A4
Attorney, Agent or Firm:
SHIGA Masatake et al. (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
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