Method and device for molding skin-covered foamed plastic articl

Details Method and device for molding skin-covered foamed plastic articl Method and device for molding skin-covered foamed plastic articl

1987-05-14

1991-10-29

Dawson, Robert A.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

264 464, 249184, B29C 6722

Patent

active

050614193

ABSTRACT:
Disclosed herein is a method and device for molding a skin-covered foamed plastic article with a bore formed therein. A split mold is used which comprises a lower mold part with a recess and an upper mold part with a through bore. The upper mold part is placeable on the lower mold part to form a combined cavity by the through bore and the recess. In order to provide the foamed product with a desirable bore, first and second shaping dies are employed which are combinable with each other to form a combined shaping body which is, upon molding, projected into the combined cavity of the split mold. Upon hardening of the product, the second and first shaping dies are dismantled from the split mold in this order.

REFERENCES:
patent: 3856256 (1974-12-01), Celesti

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