Method of and device for manufacturing curved helical springs
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United States of America Patent
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Aug 22, 1995
Grant Date -
N/A
app pub date -
Jul 28, 1993
filing date -
Jul 29, 1992
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Abstract
A method of manufacturing helical springs that are curved when unstressed from wire or rod heated to coiling temperature in one step. The spring is coiled on a mandrel that is curved to match the desired curvature of the finished spring.
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