ROLLER COVER CORE AND METHOD OF MANUFACTURE
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United States of America Patent
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Issued Date -
Apr 11, 2019
app pub date -
Oct 4, 2018
filing date -
Oct 5, 2017
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Abstract
A method of making a paint roller cover includes feeding a single strip of polypropylene, by a core material strip feeder, onto a mandrel; heating the single strip of polypropylene, by a heater, before the single strip of polypropylene is wound about the mandrel; and overlapping edges of the single strip of polypropylene as the single strip of polypropylene is wound about the mandrel so that the overlapped edges fuse together. The method also includes applying an adhesive, by an adhesive applicator, to an outer surface of the single strip of polypropylene; and feeding a strip of fabric cover material, by a fabric cover strip feeder, about the mandrel and onto the outer surface of the single strip of polypropylene.
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