Frame assembly for mold for expansion molding

Details Frame assembly for mold for expansion molding Frame assembly for mold for expansion molding

1993-12-10

1994-10-25

Nguyen, Khanh

Plastic article or earthenware shaping or treating: apparatus

With mechanical means forming or expanding pores

249139, 249205, 425186, 425190, 425192R, 425817R, B29C 3340, B29C 3700

Patent

active

053583957

ABSTRACT:
A frame for supporting a mold for use in manufacturing a product from expanded polystyrene. The frame includes angled corner locking members having longitudinally projecting guide portions located at each end, and longitudinal side members having longitudinally projecting complementary guide portions located at each end. The guide portions and the complementary guide portions are adapted to slidably interfit with one another to form an interlocked engagement. The angled corner locking members and the longitudinal side portions further include recessed portions located on interior facing walls for supporting the mold on the frame.

REFERENCES:
patent: 2411862 (1946-12-01), Arnold
patent: 3021586 (1962-02-01), Uruburn
patent: 3288427 (1966-11-01), Pluckebaum
patent: 4174089 (1929-11-01), Kienow et al.
patent: 4239176 (1980-12-01), Salazar
patent: 4382757 (1983-05-01), Roy et al.
patent: 4813859 (1989-03-01), Bullard et al.
patent: 4888252 (1989-12-01), Kilim

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