Title:
RUBBER REINFORCING STEEL CORD AND HEAVY DUTY PNEUMATIC RADIAL TIRE USING THE STEEL CORD
Document Type and Number:
WIPO Patent Application WO/2000/039386
Kind Code:
A1
Abstract:
A rubber reinforcing steel cord of bundle- and layer-twisted structure, wherein nine steel filaments are arranged around three steel filaments which are wave-formed two-dimensionally in longitudinal direction, and additional 14 steel filaments are arranged and twisted around a bundle-twisted cord formed by twisting all these steel filaments into one part; a heavy duty pneumatic radial tire, wherein the rubber reinforcing steel cord is used as carcass layer cords.
Inventors:
Komatsu, Ryuzo (The Yokohama Rubber Co, Ltd. Hiratsuka Factory 2-1, Oiwake Hiratsuka-shi Kanagawa, 254-0047, JP)
Application Number:
PCT/JP1999/007207
Publication Date:
July 06, 2000
Filing Date:
December 22, 1999
Export Citation:
Assignee:
THE YOKOHAMA RUBBER CO., LTD. (36-11, Shimbashi 5-chome Minato-ku Tokyo, 105-0011, JP)
Komatsu, Ryuzo (The Yokohama Rubber Co, Ltd. Hiratsuka Factory 2-1, Oiwake Hiratsuka-shi Kanagawa, 254-0047, JP)
Komatsu, Ryuzo (The Yokohama Rubber Co, Ltd. Hiratsuka Factory 2-1, Oiwake Hiratsuka-shi Kanagawa, 254-0047, JP)
International Classes:
B60C9/00; B60C9/02; D07B1/06; B60C9/00; B60C9/02; D07B1/00; (IPC1-7): D07B1/06; B60C9/00
Attorney, Agent or Firm:
Ogawa, Shin-ichi (Ogawa, Noguchi & Saika International Patent
Office Halifax Shiba Building 3-10, Shiba-Koen 1-chome Minato-ku Tokyo, 105-0011, JP)
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