Device for cooling castings and for treating moulding sand

Details Device for cooling castings and for treating moulding sand Device for cooling castings and for treating moulding sand

1977-11-09

1979-05-15

Lazarus, Richard B.

Metal founding

Stripper or ejector

Means to separate cast product from shaping surface

241183, B22D 2900, B02C 1704

Patent

active

041542908

ABSTRACT:
A device for cooling castings and for treating moulding sand comprises a driven, rotatably journalled drum provided with internal catches extending substantially axially between an inlet end and an outlet end of the drum.
For improving the stirring effect of the catches and for avoiding damage of castings and loss of valuable dust from the moulding sand, the catches have a stronger scooping effect near the inlet end than near the outlet end.

REFERENCES:
patent: 1946440 (1934-02-01), Herrmann
patent: 2470315 (1949-05-01), McGehee
patent: 3191874 (1965-06-01), Drinkwater et al.
patent: 3407511 (1968-10-01), Camm
patent: 3871438 (1975-03-01), Vissers et al.
patent: 3942644 (1976-03-01), Vissers
patent: 3998262 (1976-12-01), Didion

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