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Title:
サイド部補強層及びランフラットタイヤ及びサイド部補強層の製造方法
Document Type and Number:
Japanese Patent JP4919974
Kind Code:
B2
Abstract:
A runflat tire improved in durabilitywhich and increased in running distance and velocity at the time of puncture is provided. A side portion reinforcing layer (11) for a runflat tire, the layer being made of a rubber composition prepared by blending 0.1 to 50 parts by mass of a reinforcing material of polyparaphenylene terephthalamide based on 100 parts by mass of a rubber component comprising 20 to 80% by mass of a natural rubber and/or a polyisoprene rubber and 80 to 20% by mass of a polybutadiene rubber, and a runflat tire using the same.

Inventors:
Yoji Imoto
Application Number:
JP2008000113A
Publication Date:
April 18, 2012
Filing Date:
January 04, 2008
Export Citation:
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Assignee:
Sumitomo Rubber Industries, Ltd.
International Classes:
B60C17/00; B60C1/00; B60C9/00; B60C9/04; B60C11/00; B60C3/04; C08L7/00; C08L9/00
Domestic Patent References:
JP2001164052A
JP2007238078A
JP2006192927A
JP2007276569A
JP11348512A
JP2002079803A
JP2004136863A
JP7032828A
JP2006206864A
JP2007161071A
Foreign References:
WO2007129580A1
Attorney, Agent or Firm:
Fukami patent office



 
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