Apparatus for molding expanded polymer beads

Details Apparatus for molding expanded polymer beads Apparatus for molding expanded polymer beads

1994-06-30

1995-10-03

Chiesa, Richard L.

Plastic article or earthenware shaping or treating: apparatus

With mechanical means forming or expanding pores

249111, B29C 6720

Patent

active

054547032

ABSTRACT:
Apparatus for molding expanded polymer beads by the steam-fusion technique including mold segments having perforate walls, steam chests confronting the mold segments, and thermal insulation located at the junction between the mold segments and the steam chests to reduce conductive heat transfer therebetween.

REFERENCES:
patent: 3139466 (1964-06-01), Couchman
patent: 3170010 (1965-02-01), Schultz et al.
patent: 3452124 (1969-06-01), Knapp
patent: 3837769 (1974-09-01), Erlenbach
patent: 3912430 (1975-10-01), Noel
patent: 4225109 (1980-09-01), Yotsutsuji
patent: 4492663 (1985-01-01), Reinfeld et al.
patent: 4685872 (1987-08-01), Erlenbach
patent: 4813859 (1989-03-01), Bullard et al.
patent: 5037592 (1991-08-01), Erlenbach
patent: 5085814 (1992-02-01), Kamiyama et al.
patent: 5100597 (1992-03-01), Erlenbach
patent: 5370515 (1994-12-01), Bazzica
The Erlenbach Moulding Machine Series EHV 52/42/1 and EHV 67/57/1, undated.

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