Apparatus for producing casting mould parts by compressing sand

Details Apparatus for producing casting mould parts by compressing sand Apparatus for producing casting mould parts by compressing sand

1980-05-20

1981-05-19

Baldwin, Robert D.

Metal founding

Means to shape a forming surface

Including means for compacting particulate fluent mold...

92 66, 164213, B22C 1508

Patent

active

042678781

ABSTRACT:
In an apparatus for producing casting mould parts and comprising a pressure or squeeze chamber with movable end walls formed by a pressure plate and a counter-pressure plate, the hydraulic drive units for the said plates are constituted by piston/cylinder devices, in which the piston members are stationary, while the cylinder members are connected with the plates and dimensioned so as to stand up to any bending stresses exerted by said plates.

REFERENCES:
patent: 2851999 (1958-09-01), Kratz
patent: 3749151 (1973-07-01), George et al.
patent: 3999594 (1976-12-01), Gunnergaard

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