METHOD FOR PRODUCING A STRIP OF THREE-DIMENSIONAL DECORATIVE PIECE MADE OF THERMOPLASTIC SYNTHETIC RESIN AND APPARATUS FOR PRODUCING THE SAME
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United States of America Patent
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Jun 2, 2022
app pub date -
Mar 26, 2019
filing date -
Mar 26, 2019
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Abstract
A method and an apparatus for producing a long strip of three-dimensional decorative piece made of thermoplastic synthetic resin. The method for producing the strip of three-dimensional decorative piece made of thermoplastic synthetic resin according to the present invention comprises the steps of feeding a decorative strip material, preheating the decorative strip material and softening the decorative strip material with heat, shaping the decorative strip material into a strip of three-dimensional decorative piece by continuously oscillating a high-frequency in between a rotatable upper electrode roll die and a rotatable lower electrode roll die and applying high-frequency dielectric heat to the decorative strip material between the upper and lower electrode roll dies, cooling the shaped strip of three-dimensional decorative piece, and winding up the cooled strip of three-dimensional decorative piece.
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