Mold for skin covered foamed plastic molding

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

1989-07-10

1992-03-24

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 91, 249141, 249170, 249177, 264 464, 425149, 425546, 425577, 425812, 425817R, B29C 3340, B29C 3910, B29C 3926

Patent

active

050982710

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 avoiding an excessive amount of pressure to be exerted on the upper portion of the lower mold so that the durability of the lower mold can be improved, and preventing gaseous leakage so that the penetration of the liquid foam resin to be poured on a skin cover becomes controllable. The mold includes an upper mold to be closed over the lower mold, having extended side portions which can reach the base of the lower mold when assembled such that the extended side portions can support the upper mold by themselves.

REFERENCES:
patent: 1384514 (1921-07-01), Close
patent: 3318563 (1967-05-01), Downiry
patent: 3704081 (1972-11-01), Immel
patent: 4083665 (1978-04-01), Schnellmann et al.
patent: 4153657 (1979-05-01), Wilcox
patent: 4420447 (1983-12-01), Nakashima
patent: 4431047 (1984-02-01), Takeshima et al.
patent: 4531902 (1985-07-01), Stuhldreher et al.
patent: 4634563 (1987-01-01), Hancock
patent: 4829644 (1989-05-01), Kondo et al.

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