Rotational grip twist machine and method for fabricating bulges of twisted wire electrical connectors
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United States of America Patent
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-
May 4, 2004
Grant Date -
Aug 15, 2002
app pub date -
Feb 13, 2001
filing date -
Feb 13, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Bulges in a wire having helically coiled strands are formed by untwisting the strands in an anti-helical direction at a predetermined position, to form an electrical connector from a length of the stranded wire. The wire is gripped by moving two spaced apart clamp members to a closed position and thereafter rotating the clamp members relative to one another in at least one complete relative revolution in a direction which is anti-helical relative to the coiled strands to form the bulge. The wire is gripped and rotated in the anti-helical direction for a relative rotational interval of greater than one-half, and preferably three-fourths, of a complete relative revolution. Thereafter, during the remaining rotational interval of each relative revolution, the clamp members are opened to permit the wire to be advanced to the next position where a bulge is to be formed.
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