Winding apparatus and method for production of helixes from a plastic filament
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United States of America Patent
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Issued Date -
Oct 6, 2005
app pub date -
Apr 1, 2005
filing date -
Apr 5, 2004
priority date (Note) -
Abandoned
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Abstract
Winding apparatus for production of helixes from a plastic filament. A winding apparatus having an input unit, by means of which the plastic filament can be supplied to a shaping unit, in which the plastic filament can be shaped into the helix by means of at least one shaping element, is known. According to the invention, the shaping element is arranged immediately after the input unit in the filament running direction, and the guide surface of the shaping element is aligned so as to be inclined with respect to a filament transport axis of the input unit such that the plastic filament can be shaped continuously with a radius of curvature which is greater than a cross-sectional radius of the plastic filament and is substantially smaller than a helix radius in the finished state. Use for the production of plastic helixes.
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