Method for forming a weatherstrip

Details Method for forming a weatherstrip Method for forming a weatherstrip

1992-10-22

1995-12-19

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

With printing or coating of workpiece

264134, 264211, 26433113, 264331, 264 19, 4251311, B29C 4704

Patent

active

054766265

ABSTRACT:
A method for forming a weatherstrip includes extruding a compound formed of 1-10 weight of polyglycidyl methacrylate having an epoxy group in the molecular structure thereof added per 100 parts of a rubber compound formed of SBR/EPDM. As the compound is extruded from the extruder, a urethane coating material is supplied to a nozzle to accomplish coating of an article concurrently with forming thereof. The extruded article is then vulcanized to assure good sealability.

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patent: 5183613 (1993-02-01), Edwards
patent: 5267846 (1993-12-01), Miyama et al.

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