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Title:
SPIRAL WIRE, OVERHEAD WIRE WITH SPIRAL WIRE, AND MANUFACTURING METHOD OF THE OVERHEAD WIRE
Document Type and Number:
Japanese Patent JP2006210179
Kind Code:
A
Abstract:

To make it hard to form nicking of steel core aluminum stranded wire, and eliminate winding application working of a spiral rod at a high place.

At the outer periphery of the steel core aluminum stranded wire 1 in which hard aluminum element wires 2 are installed at the outermost layer, the wires are twisted at a shorter twisting pitch than that of the hard aluminum element wires 2 in the reverse direction of the twisting direction, and elongation characteristics of spiral wires 3 of aluminum covered steel wires are made larger than those of the steel core aluminum stranded wires 1, and the hardness of aluminum cover of the spiral wires 3 is made smaller than that of the hard aluminum element wires 2.


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Inventors:
TERADA SHIGERU
SHIMADA NORIYUKI
KAWAKAMI TAKASHI
Application Number:
JP2005021489A
Publication Date:
August 10, 2006
Filing Date:
January 28, 2005
Export Citation:
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Assignee:
J POWER SYSTEMS CORP
International Classes:
H01B5/02; H01B5/10; H02G7/14; H02G7/16
Domestic Patent References:
JPH0378413A1991-04-03
JPS6363032U1988-04-26
JPH11289645A1999-10-19
JPH09322368A1997-12-12
JP2001135148A2001-05-18
JPH03277114A1991-12-09
JPH0378413A1991-04-03
JPS6363032U1988-04-26
JPH11289645A1999-10-19
JPH09322368A1997-12-12
JP2001135148A2001-05-18
JPH03277114A1991-12-09
Attorney, Agent or Firm:
Tadao Hirata



 
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