ESCALATOR HANDRAIL AND METHOD OF MANUFACTURING ESCALATOR HANDRAIL
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United States of America Patent
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Oct 31, 2019
app pub date -
Jul 9, 2019
filing date -
Sep 26, 2013
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Abstract
A method of manufacturing an escalator handrail which has a composite material including a metallic steel wire and a thermoplastic resin, said metallic steel wire having a center elemental wire and a plurality of strands placed so as to surround the center elemental wire, including: a preheating step of heating the metallic steel wire; a composite-material forming step of integrating the metallic steel wire heated in the preheating step with the thermoplastic resin in a molten state to thereby form the composite material; and a cooling step of cooling the composite material formed in the composite-material forming step.
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