Spiral support, installation method of the same, and cable laying method using the spiral support
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United States of America Patent
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Jan 12, 2010
Grant Date -
Oct 26, 2006
app pub date -
Jun 22, 2006
filing date -
Nov 11, 2003
priority date (Note) -
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Abstract
A method and apparatus including an easily installed spiral support useful laying a cable. The spiral support is composed of a counterclockwise spiral portion and a clockwise spiral portion, both of which are connected to each other with a reverse portion therebetween. The spiral support is installed on a messenger wire in such a way that the reverse portion is fitted on the messenger wire; the spiral support is rotated counterclockwise or clockwise; and these steps are repeated.
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