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Patent Searching and Data


Title:
STEEL CORD FOR REINFORCING RUBBER ARTICLE AND PNEUMATIC TIRE
Document Type and Number:
WIPO Patent Application WO/2007/026825
Kind Code:
A1
Abstract:
A steel cord for reinforcing a rubber article capable of simultaneously satisfying such requirements as a reduction in weight, an increase in durability, and an increase in steering stability without causing the lowering of the uniformity of tire by applying it to a tire belt as a reinforcement material and a pneumatic tire. The steel cord comprises a core formed by disposing two pieces of untwisted core wire (1) parallel with each other in the longitudinal direction and one layer of sheath formed by twisting three to five pieces of sheath wire (2) around the core. The shape of the profile of the cord is flat in a cross section crossing perpendicularly to the axis of the cord. The diameter of the core wire (1) is smaller than the diameter of the sheath wire (2).

Inventors:
OBANA NAOHIKO (JP)
Application Number:
JP2006/317225
Publication Date:
March 08, 2007
Filing Date:
August 31, 2006
Export Citation:
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Assignee:
BRIDGESTONE CORP (JP)
OBANA NAOHIKO (JP)
International Classes:
D07B1/06; B60C9/00; B60C9/20
Foreign References:
JP2005120491A2005-05-12
JP2002227081A2002-08-14
JP2001288685A2001-10-19
JP2001011782A2001-01-16
JP2000008282A2000-01-11
JP2000008281A2000-01-11
JPH11278012A1999-10-12
JPH11124782A1999-05-11
JPH1181168A1999-03-26
JPH1181166A1999-03-26
JPH0931876A1997-02-04
JPH0921083A1997-01-21
JPH07189143A1995-07-25
Attorney, Agent or Firm:
HONDA, Ichiro (Kanda Chuo Building 2F 5-7, Nishikanda 2-chom, Chiyoda-ku Tokyo 65, JP)
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