Mold assembly for producing skin-covered foamed plastic article

Details Mold assembly for producing skin-covered foamed plastic article Mold assembly for producing skin-covered foamed plastic article

1988-06-29

1989-04-25

Woo, Jay H.

Static molds

Uniting preform with molding material

Including means other than mold surface to support preform

249 95, 249112, 249205, 264 464, 264257, 264275, 425117, 425DIG48, B29C 3314

Patent

active

048240702

ABSTRACT:
A mold assembly for producing a skin-covered foamed plastic article is disclosed, which includes a lower mold having a cavity formed therein, the lower mold having a first flange portion which extends around a mouth of the lower mold; an upper mold which is to be put on the lower mold to close the cavity, the upper mold having a second flange portion which is mated with the first flange portion of the lower mold when the two molds are properly coupled; a recess at an inside part of the first flange portion which is defined by a horizontal wall and a vertical wall; a press plate which is pivotally connected to the horizontal wall of the recess; a spring for biasing the press plate in a direction to achieve an abutment with the horizontal wall; and a press structure provided on the second flange portion of the upper mold, the press structure abutting on the press plate to press the same toward the horizontal wall when the upper mold is properly mounted on the lower mold.

REFERENCES:
patent: 4046611 (1977-09-01), Sanson
patent: 4545105 (1985-10-01), Kowalsky

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