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Tire

A tire and tire circumferential technology, applied to tire parts, tire tread/tread pattern, transportation and packaging, etc., can solve the problems of component deformation temperature, rise, failure, etc., and achieve the effect of suppressing temperature rise

Active Publication Date: 2019-04-16
BRIDGESTONE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] In general, tires are known to cause deformation of components during driving, which increases the temperature and causes failure.

Method used

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Embodiment Construction

[0037] Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the description of the drawings, the same reference numerals are assigned to the same parts, and description thereof will be omitted.

[0038] (1) The overall structure of the tread

[0039] refer to figure 1 , the structure of the tire 1 of the present embodiment will be described. Such as figure 1 As shown, three circumferential grooves (first circumferential groove 11 , second circumferential groove 12 , and third circumferential groove 13 ) extending in the tire circumferential direction are formed on the tread portion 10 of the tire 1 . The first circumferential groove 11 is formed on the tire equator line CL. The second circumferential groove 12 and the third circumferential groove 13 are formed on the outside in the tire width direction relative to the first circumferential groove 11 , and are formed in opposite directions to the first circumferential groove...

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Abstract

A tread part (10) has formed therein at least one first circumferential groove (13) which includes a plurality of bent sections (17, 18) and which extends in a zig-zag pattern in a tire circumferential direction. At least one first transverse groove (30) is formed which is connected to the first circumferential groove (13) and which extends in a tire width direction. Each of the bent sections (17,18) is bent at an angle within the range of 12-41 degrees with respect to the tire circumferential direction. The first circumferential groove (13) has a groove width of 13-19 mm. The first transverse groove (30) includes a curved section having an arc shape. The groove depth of the first transverse groove (30) is shallower than the groove depth of the first circumferential groove (13). The groove width of the first transverse groove (30) is narrower than the groove width of the first circumferential groove (13). The first transverse groove (30) includes a groove of which one groove wall surface and the other groove wall surface facing each other do not come into contact with each other when the tread part (10) comes into contact with the ground.

Description

technical field [0001] The invention relates to a tire having circumferential grooves extending in the circumferential direction of the tire. Background technique [0002] In general, tires are known to have components deformed during running to increase the temperature and cause failure. Therefore, in order to improve the durability of the tire, it is necessary to suppress distortion or temperature rise. Therefore, the tire described in Patent Document 1 suppresses deflection by using a reinforcing member in the belt layer. [0003] prior art literature [0004] patent documents [0005] Patent Document 1: Japanese Patent Laid-Open No. 2007-55578 Contents of the invention [0006] The problem to be solved by the invention [0007] However, the technique described in Patent Document 1 leads to an increase in the weight of the reinforcing member, and is a method that is contrary to resource saving that is demanded by society in recent years. In addition, the reinforci...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60C11/03B60C11/13
CPCB60C11/03B60C11/13B60C11/0306B60C2011/0362B60C2011/0353B60C2011/0346B60C2011/0344B60C11/1315B60C11/0302B60C11/0304B60C2011/0033B60C2011/0355B60C2011/0365B60C2011/0369
Inventor 山口正志
Owner BRIDGESTONE CORP
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