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Title:
ANNULAR METAL CORD, ENDLESS METAL BELT, AND ANNULAR METAL CORD MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2008/029857
Kind Code:
A1
Abstract:
It is possible to provide an annular metal cord an endless metal belt which have an excellent rupture strength and which can be easily manufactured, and a method for manufacturing the annular metal cord. The annular metal cord (C1) is prepared as follows. Six metal wires (5) are twisted into a strand (1), which is wound with a predetermined annular diameter. The start point and the end point of the strand is temporarily fixed to form an annular core (3). The strand (1) continuous from the annular core (3) is helically wound on the annular core (3) six laps so as to form an external layer (4) covering the external surface of the annular core (3). After this, the start point and the end point of the strand (1) are bonded by a connection member (7).

Inventors:
SASABE, Hiroshi (18-4, Kiyohara-Kogyodanchi, Utsunomiya-sh, Tochigi 31, 3213231, JP)
笹部 博史 (〒31 栃木県宇都宮市清原工業団地18番4 栃木住友電工株式会社内 Tochigi, 3213231, JP)
WAKAHARA, Hitoshi (18-4, Kiyohara-Kogyodanchi, Utsunomiya-sh, Tochigi 31, 3213231, JP)
若原 仁志 (〒31 栃木県宇都宮市清原工業団地18番4 栃木住友電工株式会社内 Tochigi, 3213231, JP)
Application Number:
JP2007/067337
Publication Date:
March 13, 2008
Filing Date:
September 05, 2007
Export Citation:
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Assignee:
SUMITOMO(SEI) STEEL WIRE CORP. (1-1 Koyakita 1-chome, Itami-shi Hyogo, 16, 6640016, JP)
住友電工スチールワイヤー株式会社 (〒16 兵庫県伊丹市昆陽北一丁目1番1号 Hyogo, 6640016, JP)
SUMITOMO ELECTRIC TOCHIGI CO., LTD. (18-4, Kiyohara-Kogyodanchi Utsunomiya-sh, Tochigi 31, 3213231, JP)
栃木住友電工株式会社 (〒31 栃木県宇都宮市清原工業団地18番4 Tochigi, 3213231, JP)
SASABE, Hiroshi (18-4, Kiyohara-Kogyodanchi, Utsunomiya-sh, Tochigi 31, 3213231, JP)
笹部 博史 (〒31 栃木県宇都宮市清原工業団地18番4 栃木住友電工株式会社内 Tochigi, 3213231, JP)
International Classes:
D07B1/06; B21F37/00; F16G1/18; F16G9/00
Foreign References:
JP2005280606A
JP2005238997A
JPH09273088A
JPH01272833A
Attorney, Agent or Firm:
NAITO, Teruo et al. (Shin-ei Patent Office, 7-13 Nishi-Shimbashi,1-chome, Minato-ku, Tokyo 03, 1050003, JP)
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