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Method for controlling PRAT as tyre characteristic

A tire, characteristic technology, applied in tire parts, tire tread/tread pattern, transportation and packaging, etc., can solve problems such as waste of money and time, trial and error, etc.

Inactive Publication Date: 2005-02-09
HANKOOK TIRE WORLDWIDE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, in the above-mentioned method, when changing the angle of the lateral groove, it is necessary to remake the mold required for tire production, which greatly wastes money and time, and the value of the change is also different due to the difference in the pattern, accompanied by many times. Disadvantages of trial and error

Method used

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  • Method for controlling PRAT as tyre characteristic
  • Method for controlling PRAT as tyre characteristic
  • Method for controlling PRAT as tyre characteristic

Examples

Experimental program
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Embodiment Construction

[0019] specific implementation

[0020] The present invention will be described in detail below with reference to the accompanying drawings.

[0021] In the attached picture, figure 1 is a partially enlarged sectional view of a tire according to the invention provided with slots in the block faces adjacent to the transverse grooves of the tire and the shape of a mold using this design for the purpose of controlling PRAT; figure 2 yes figure 1 Schematic diagram of various slots seen from direction A in ; image 3 yes figure 1 Schematic diagrams of various slots seen from direction B in .

[0022] according to figure 1 In a specific embodiment of the present invention, slots 16 are designed on the face of the block 14 adjacent to the transverse groove 12 of the tire 10 to change the PRAT characteristics, so as to achieve the desired PRAT control. figure 1 The symbol 18 in represents a mould.

[0023] Such as figure 2 and image 3 As shown, the above-mentioned slo...

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Abstract

The invention provides a PRAT control method to resolve the problem of remaking die for PRAT control of tires by easily opening slots in or removing slots from a pattern block close to a traverse groove of the tire. The control method relates to continuous working performance of tires running along with vehicles, which is characterized in that the slot is arranged in the pattern block close to the traverse groove of the tire.

Description

technical field [0001] The present invention relates to a control method of PRAT (Plysteer Residual Aligning Torque: Plysteer Residual Aligning Torque: Plysteer Residual Aligning Torque. Plysteer refers to the tire slip angle when the lateral force is zero in a quasi-static steering test) as a tire characteristic. More specifically, the present invention relates to a PRAT control method that overcomes the problem of achieving desired control of tire PRAT by easily inserting or removing slots in blocks adjacent to tire lateral grooves. Rather the problem of having to remake the mold. technical background [0002] The running performance of the tire is the basic performance of the tire through the cooperation with the vehicle, which is directly related to the safety of the vehicle. In the vehicle manufacturing department, in order to guarantee this performance, all vehicles produced in mass production are inspected so that only vehicles whose performance has been verified can...

Claims

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Application Information

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IPC IPC(8): B60C11/12
CPCB60C11/03B60C2011/0358B60C2011/1338
Inventor 徐宗范
Owner HANKOOK TIRE WORLDWIDE