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Patent Searching and Data


Title:
PNEUMATIC TYRE
Document Type and Number:
WIPO Patent Application WO/2015/163215
Kind Code:
A1
Abstract:
First inclined belt plies (16), circumferential belt plies (18), and second inclined belt plies (20) are disposed in the stated order at the outer side of a carcass in the radial direction of a tyre, and ground contact end side belt plies (28) are disposed outwards in the width direction of the tyre from tyre width direction end parts of the second inclined belt plies (20). The angle of cords of the first inclined belt plies (16) relative to the circumferential direction of the tyre is 45°-60° inclusive, the angle of cords of the circumferential belt plies (18) is 5° or less, the angle of cords of the second inclined belt plies (20) is 30°-60° inclusive, and the angle of cords of the ground contact end side belt plies (28) is greater than 5° and not more than 30°. The separation dimension (W4) of the ground contact end side belt plies (28) is at least 80% of the ground contact width (TW), and the cords of the ground contact end side belt plies (28) are inclined in the opposite direction to the cords of the second inclined belt plies (20) relative to the circumferential direction of the tyre.

Inventors:
MORI YOSUKE (JP)
Application Number:
PCT/JP2015/061598
Publication Date:
October 29, 2015
Filing Date:
April 15, 2015
Export Citation:
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Assignee:
BRIDGESTONE CORP (JP)
International Classes:
B60C9/22; B60C9/18
Foreign References:
JP2013216113A2013-10-24
JP2009073246A2009-04-09
JP2012071665A2012-04-12
JP2008132818A2008-06-12
Other References:
See also references of EP 3135503A4
Attorney, Agent or Firm:
NAKAJIMA, Jun et al. (JP)
Nakajima 淳 (JP)
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