Method of molding a decorative trim

Details Method of molding a decorative trim Method of molding a decorative trim

Filed on

1989-06-26

Date issued

1991-09-17

Examiner

Woo, Jay H.

Patent Class

Plastic and nonmetallic article shaping or treating: processes

SubClass

Mechanical shaping or molding to form or reform shaped article

SubSubClass

To produce composite, plural part or multilayered article

Other Related Categories

264250, 264274, 29450, 29451, 29460, 295274, B29C 4514

Type

Patent

Status

active

Patent number

050493469

Description

ABSTRACT:
A method of producing a molding which includes the steps of interconnecting the first and second moldings, each of which includes a core, by a connecting portion which has a decorative trim portion with a continuously varying cross sectional shape; forming a notched portion with at least one concave portion and at least one convex portion on the core of each of the first and second moldings; engaging the respective notched portions of the first and second moldings with each other by setting the concave portion of the first molding in the convex portion of the second molding; disposing the engaged portions within a cavity of a mold having a cross sectional shape corresponding to the cross sectional shape of the connecting portions; and injecting a material for molding into the cavity of the mold so as to form a decorative trim portion around the engaging portions, which continuously connects the first and second moldings as one body.

REFERENCES:
patent: 3851432 (1974-12-01), Griffin
patent: 4372905 (1983-02-01), Bohman
patent: 4712826 (1987-12-01), Omori
patent: 4762584 (1988-08-01), Andreasen
patent: 4834428 (1989-05-01), Pritchat

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