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Title:
METHOD FOR CORRECTING UNIFORMITY OF TIRE AND TIRE PREPARED BY APPLYING IT
Document Type and Number:
Japanese Patent JP2000280264
Kind Code:
A
Abstract:

To provide a method for correcting uniformity of a tire wherein buff processing is not required and there exists no possibility of destroy of the tire and RFV or COF is made to an appropriate value.

In a RFV method correcting according to the present invention, the first discrimination mark MS is attached on the first tire part 1a indicating the min. value of the RFV and the second discrimination mark ML is attached on the second tire part 1b indicating the max. value of the RFV and different thermal historys are respectively provided to the first tire part 1a and the second tire part 1b during cooling period in the thermal history, a condition where a specified inner pressure is applied on a tire 1 is held. In a method for correcting COF, the third discrimination mark is attached on the first tire half part in the COF generating direction between tire half parts prepd. by dividing the tire 1 into two at the tire equator face and different thermal historys are respectively provided to the first tire half part and the second tire half part and during the middle period and the final period of cooling period in the thermal history, a specified inner pressure is applied on a tire 1.


More Like This:
JPH0672369Steel code
Inventors:
KUMAGAI MORIYASU
KATA TAKEHIRO
Application Number:
JP1999000353934
Publication Date:
October 10, 2000
Filing Date:
December 14, 1999
Export Citation:
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Assignee:
BRIDGESTONE CORP
International Classes:
B60C9/00; B29C35/02; B29C35/16; B29C71/02; B29D30/06; B60C9/17; B60C19/00; G01M1/16; G01M17/02; (IPC1-7): B29C35/02; B29C35/16; B29D30/06; B60C9/00; B60C19/00
Attorney, Agent or Firm:
杉村 暁秀 (外2名)