Title:
TWISTING MACHINE, TWISTED WIRE MANUFACTURING METHOD, PLY, AND PNEUMATIC TIRE
Document Type and Number:
WIPO Patent Application WO/2004/048679
Kind Code:
A1
Abstract:
A compact twisting machine and a twisted wire manufacturing method capable of efficiently manufacturing short twisted wire meeting the requirements of a requested performance, a ply formed by twisting the twisted wire by the twisting machine or by using the twisted wire manufacturing method, and a pneumatic tire, the twisting machine comprising a rotating body (30) forming a cord (20) by twisting a plurality of supplied wires and applying a feeding force to the cord (20), the rotating body (30) further comprising a feeding mechanism (58) installed in a housing (31) to feed the cord (20) from the rotating body (30) by the feeding mechanism (58), wherein when the wire is twisted by the twisting machine, either of the cord side and wire side of a twisting point is opened, whereby the compact twisting machine capable of forming the cord (20) having excellent rotation performance and straightness can be realized.
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Inventors:
Ueda, Shogo c/o BRIDGESTONE CORPORATION (10-1 Kyobashi 1-chom, Chuo-ku Tokyo, 104-8340, JP)
Mizuta, Yoshiki c/o BRIDGESTONE CORPORATION (10-1 Kyobashi 1-chom, Chuo-ku Tokyo, 104-8340, JP)
Torisu, Kojiro c/o BRIDGESTONE CORPORATION (10-1 Kyobashi 1-chom, Chuo-ku Tokyo, 104-8340, JP)
Yoshii, Kiyotaka c/o BRIDGESTONE CORPORATION (10-1 Kyobashi 1-chom, Chuo-ku Tokyo, 104-8340, JP)
Mizuta, Yoshiki c/o BRIDGESTONE CORPORATION (10-1 Kyobashi 1-chom, Chuo-ku Tokyo, 104-8340, JP)
Torisu, Kojiro c/o BRIDGESTONE CORPORATION (10-1 Kyobashi 1-chom, Chuo-ku Tokyo, 104-8340, JP)
Yoshii, Kiyotaka c/o BRIDGESTONE CORPORATION (10-1 Kyobashi 1-chom, Chuo-ku Tokyo, 104-8340, JP)
Application Number:
PCT/JP2003/015025
Publication Date:
June 10, 2004
Filing Date:
November 25, 2003
Export Citation:
Assignee:
BRIDGESTONE CORPORATION (10-1, Kyobashi 1-chome Chuo-ku, Tokyo, 104-8340, JP)
Ueda, Shogo c/o BRIDGESTONE CORPORATION (10-1 Kyobashi 1-chom, Chuo-ku Tokyo, 104-8340, JP)
Mizuta, Yoshiki c/o BRIDGESTONE CORPORATION (10-1 Kyobashi 1-chom, Chuo-ku Tokyo, 104-8340, JP)
Torisu, Kojiro c/o BRIDGESTONE CORPORATION (10-1 Kyobashi 1-chom, Chuo-ku Tokyo, 104-8340, JP)
Yoshii, Kiyotaka c/o BRIDGESTONE CORPORATION (10-1 Kyobashi 1-chom, Chuo-ku Tokyo, 104-8340, JP)
Ueda, Shogo c/o BRIDGESTONE CORPORATION (10-1 Kyobashi 1-chom, Chuo-ku Tokyo, 104-8340, JP)
Mizuta, Yoshiki c/o BRIDGESTONE CORPORATION (10-1 Kyobashi 1-chom, Chuo-ku Tokyo, 104-8340, JP)
Torisu, Kojiro c/o BRIDGESTONE CORPORATION (10-1 Kyobashi 1-chom, Chuo-ku Tokyo, 104-8340, JP)
Yoshii, Kiyotaka c/o BRIDGESTONE CORPORATION (10-1 Kyobashi 1-chom, Chuo-ku Tokyo, 104-8340, JP)
International Classes:
B21F15/04; D07B3/00; D07B3/12; D07B7/02; (IPC1-7): D07B7/02
Attorney, Agent or Firm:
Nakajima, Jun (TAIYO, NAKAJIMA & KATO Seventh Floor, HK-Shinjuku
Bldg., 3-17, Shinjuku 4-chom, Shinjuku-ku Tokyo, 160-0022, JP)
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