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Patent Searching and Data


Title:
AIRCRAFT TIRE
Document Type and Number:
WIPO Patent Application WO/2019/116849
Kind Code:
A1
Abstract:
The objective of the present invention is to provide an aircraft tire in which both a light weight and separation durability of carcass ply ends are achieved simultaneously. An aircraft tire 10 is provided with a pair of bead cores 1, and a carcass 2 extending between the pair of bead cores 1, wherein: the carcass 2 includes at least one layer of a turn-up ply 2a comprising a main body portion 2aa and a folded-back portion 2ab, and at least one layer of a down ply 2b which covers the outside, in the width direction of the tire, of the folded-back portion 2ab of the turn-up ply 2a, and which extends at least as far as the inside, in the radial direction of the tire, of the bead core 1; rubber/cord reinforcing members 6 are disposed respectively between the main body portion 2aa of the outermost layer of the turn-up ply 2a, and the folded-back portion of the turn-up ply 2ab that extends furthest to the outside in the radial direction of the tire, and between the folded-back portion 2ab of the turn-up ply 2a that extends furthest to the outside in the radial direction of the tire, and the innermost layer of the down ply 2b; and the elongation at break of the cord in the rubber/cord reinforcing members 6 is at least equal to 30%.

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Inventors:
SUZUMORI Kiichiro (1-1 Kyobashi 3-chome, Chuo-k, Tokyo 40, 〒1048340, JP)
Application Number:
JP2018/043049
Publication Date:
June 20, 2019
Filing Date:
November 21, 2018
Export Citation:
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Assignee:
BRIDGESTONE CORPORATION (1-1 Kyobashi 3-chome, Chuo-ku Tokyo, 40, 〒1048340, JP)
International Classes:
B60C9/08; B60C9/00; B60C15/00; D07B1/02
Foreign References:
JP2016113144A2016-06-23
JP2010115953A2010-05-27
JP2009202661A2009-09-10
JPH0569703A1993-03-23
JP2002337517A2002-11-27
JPH04237607A1992-08-26
JP2001047821A2001-02-20
JP2005178483A2005-07-07
JPH06297906A1994-10-25
Attorney, Agent or Firm:
HONDA Ichiro (HONDA INTERNATIONAL PATENT & TRADEMARK OFFICE, 6th Floor Yusei Fukushi Kotohira Bldg., 14-1, Toranomon 1-chome, Minato-k, Tokyo 01, 〒1050001, JP)
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