Title:
空気入りタイヤ
Document Type and Number:
Japanese Patent JP4565710
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a radial tire capable of preventing the side part of a land from premature wear, enhancing the maneuvering stability and wet performance, and suppressing the increase in the rolling resistance. SOLUTION: Mutually confronting inside corners 7, 8, 9, 10 of ribs 4, 5, and 6 are chamfered in accordance with the grounding lengths in the tread grounding area of the rib edges Q1, Q2, Q3, Q4 positioned apart from each other with the circumferentially stretching main grooves 2 and 3 interposed, and the products of the widths L1, L2, L3, L4 in the direction across the land width of the chamfers and the depts H1, H2, H3, H4 in the tire radial direction are related to the respective grounding lengths, and the chamfered side parts of the lands 4, 5, and 6 are equipped with thin grooves cut in across the land widths, opening in the land side-wall 5a, and stretching in the direction of the main groove bottom.
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Inventors:
Hiroshi Kadowaki
Application Number:
JP2000220327A
Publication Date:
October 20, 2010
Filing Date:
July 21, 2000
Export Citation:
Assignee:
Bridgestone Corporation
International Classes:
B60C11/04; B60C11/12; B60C11/01; B60C11/13
Domestic Patent References:
JP7329515A | ||||
JP56157606A | ||||
JP6033706U | ||||
JP8040015A | ||||
JP2001287510A |
Foreign References:
WO1997046400A1 | ||||
WO1995031345A1 |
Attorney, Agent or Firm:
Kenji Sugimura
Ken Ogushi
Tatsuya Sawada
Kosaku Sugimura
Ken Ogushi
Tatsuya Sawada
Kosaku Sugimura