Mold for skin covered foamed plastic molding

Details Mold for skin covered foamed plastic molding Mold for skin covered foamed plastic molding

1990-12-03

1992-04-07

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Distinct means to feed, support or manipulate preform stock...

Female mold type means

249 63, 249 95, 249142, 249177, 264 464, 425577, 425DIG10, B29C 3376, B29C 3910

Patent

active

051023229

ABSTRACT:
A mold for skin covered foamed plastic molding which utilizes a middle mold to be placed between an upper mold and a lower mold, capable of reducing the weight of the middle mold so that assembling of the middle mold becomes less troublesome, the assemblage becomes more stable and the appearance of undesirable spacing in the assemblage an be prevented. The mold includes an upper mold to be closed over the lower mold, having a bent portion with a bottom surface which is to be a part of molding surface; and a middle mold to be placed between the upper mold and the lower mold, having a hollow region into which the bent portion of the upper mold is to be engaged when assembled.

REFERENCES:
patent: 3318563 (1967-05-01), Downing
patent: 4153657 (1979-05-01), Wilcox
patent: 4213932 (1980-07-01), Young
patent: 4420447 (1983-12-01), Nakashima
patent: 4647419 (1987-03-01), Helfer et al.
patent: 4693861 (1987-09-01), Lapeyre
patent: 4793793 (1988-12-01), Swenson et al.
patent: 4923378 (1990-05-01), Omata et al.

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