UHP tire for improving wetland performance

A tire and performance technology, applied in tire parts, tire tread/tread pattern, transportation and packaging, etc., can solve the problems that safety and stability cannot be guaranteed, and cannot meet the needs of automobile use, so as to improve safety and stability , Improve water breaking ability, suitable size effect
CN108501622AInactive Publication Date: 2018-09-07GITI RADIAL TIRE (ANHUI) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
GITI RADIAL TIRE (ANHUI) CO LTD
Publication Date
2018-09-07
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a UHP tire for improving wetland performance. The UHP tire for improving wetland performance comprises a tread with the total length of a crown arc being TDW. Longitudinal maingrooves extending in the circumferential direction of the tire are formed in the tread, and pattern blocks extending in the circumferential direction of the tire are formed between the longitudinal main grooves. The relationship that TDW / SN is greater or equal to 0.80 and less than or equal to 0.82 exists between the total length TDW of the crown arc and the nominal section width SN of the tire,and the relationship that TP / TDW is greater than or equal to 0.047 and less than or equal to 0.049 exists between the total length TDW of the crown arc and the height difference TP between center point of the crown arc and the end point of the crown arc. Each pattern block is designed with a thickened convex surface, so that the grounding edges of the pattern blocks present a convex state, and thedefect of the concave faces of grounding edges of the pattern blocks caused by the contraction of the tire compound is overcome; and at the same time, the grounding edges with convex surfaces improvethe water breaking capacity of the tire, effectively avoid the water slip during wheel driving, and improve the use safety and stability of the tire.
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Description

technical field

[0001] The invention relates to the technical field of tires, in particular to a UHP tire for improving wet performance. Background technique

[0002] With the vigorous development of the car market, more and more cars have become an important means of transportation in people's daily life. The safe driving of vehicles is closely related to tires. UHP is the abbreviation of Ultra High Performance. UHP tires are ultra-high performance tires. Usually Assembled on luxury, coupe and other vehicles, the requirements for wet performance and handling performance of tires are relatively strict.

[0003] When the car is driving on a rainy day, due to the accumulation of water on the road surface, if the accumulation of water between the tire and the road surface cannot be discharged in a timely and effective manner, the braking distance of the vehicle will become longer; and when the water pressure is too high, it will also make the tire Floating, thereby reducing th...

Claims

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