Continuous heating device for coil springs and heating method for coil springs using the same device
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United States of America Patent
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Aug 29, 2017
Issued Date -
N/A
app pub date -
Nov 11, 2016
filing date -
May 17, 2016
priority date (Note) -
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Abstract
Provided is a continuous heating device for coil springs and a continuous heating method for coil springs using the same. The device may include: a pair of tapered rollers configured to support and rotate the coil spring, configured to have a cross-sectional diameter that increases as it goes from the front end portion to the rear end portion, and configured to have rotational inner surfaces that are arranged to be parallel with each other while the central rotation axes thereof are not parallel with each other; a conveyor chain configured to have a push rod that is installed therein to move the coil spring; and a driving unit configured to provide a rotational driving force to the pair of tapered rollers.
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