COIL SPRING AND ASSOCIATED PRODUCTION METHOD
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United States of America Patent
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Issued Date -
Apr 28, 2016
app pub date -
Oct 27, 2015
filing date -
Oct 28, 2014
priority date (Note) -
Abandoned
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Abstract
The production of a coil spring takes place by way of a combination of two method steps, wherein the first method step consists of a twisted extrusion method and the second method step consists of a cold bending process, as in traditional spring production.
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