Molding apparatus for simultaneously forming a cavity and encaps

Details Molding apparatus for simultaneously forming a cavity and encaps Molding apparatus for simultaneously forming a cavity and encaps

1984-10-01

1985-10-01

Hoag, Willard E.

Static molds

Uniting preform with molding material

249171, B29C 100, B29C 114, B29D 302

Patent

active

045441260

ABSTRACT:
A dual lid molding apparatus for a two-stage molding process which provides for frame encapsulation in a foamed article also having a molded-in cavity. The molding apparatus is constructed by pivotally connecting two mold closure members at each side of a female base mold. The two mold closure members are sequentially engaged with the female base mold during the two-stage molding process. A frame member and a multitude of cavities may be embedded in the foamed article by using this technique.

REFERENCES:
patent: 3248758 (1966-05-01), Schmitz et al.
patent: 3264382 (1966-08-01), Angell et al.
patent: 3840627 (1974-10-01), Rhodes

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