TWISTING MACHINE, TWISTED WIRE MANUFACTURING METHOD, PLY, AND PNEUMATIC TIRE

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 (JP)
MIZUTA YOSHIKI (JP)
TORISU KOJIRO (JP)
YOSHII KIYOTAKA (JP)

Application Number:

PCT/JP2003/015025

Publication Date:

June 10, 2004

Filing Date:

November 25, 2003

Export Citation:

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Assignee:

BRIDGESTONE CORP (JP)
UEDA SHOGO (JP)
MIZUTA YOSHIKI (JP)
TORISU KOJIRO (JP)
YOSHII KIYOTAKA (JP)

International Classes:

B21F15/04; D07B3/00; D07B3/12; D07B7/02; (IPC1-7): D07B7/02

Foreign References:

JPH04352888A	1992-12-07
JPH0978476A	1997-03-25
JPS56112591A	1981-09-04
JPH0827687A	1996-01-30
EP1059380A2	2000-12-13

Other References: