Partial pad foam molding method

Details Partial pad foam molding method Partial pad foam molding method

1994-09-08

1996-03-19

Kuhns, Allan R.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

264 466, 264278, B29C 4406, B29C 4412

Patent

active

055001688

ABSTRACT:
There is provided an improved process for partially molding a pad onto an instrument panel by partially covering the surface of a panel main body with a surfacing material, and filling a urethane foam under foaming in the space defined between the panel main body and the surfacing material and a mold used for such purpose. In the process of the invention, a mold including an upper die having a core and a lower die having a cavity wall is used, and possible outward falling down of the edge portion formed along the periphery of the surfacing material is designed to be prevented by supporting members which are arranged retractably in the cavity wall of the lower die at the positions along the line where the edge portion of the surfacing material lies. The supporting members retain the edge portion until the upper die is fully closed with respect to the lower die.

REFERENCES:
patent: 4303728 (1981-12-01), Houdek et al.
patent: 4420447 (1983-12-01), Nakashima
patent: 4501541 (1985-02-01), Bethell et al.
patent: 4797320 (1989-01-01), Kopp et al.
patent: 4992224 (1991-02-01), Swenson et al.

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