Machine for producing foundry cores

Details Machine for producing foundry cores Machine for producing foundry cores

1978-03-01

1979-10-23

Baldwin, Robert D.

Metal founding

Means to shape a forming surface

Including means for compacting particulate fluent mold...

164202, B22C 1524

Patent

active

041717201

ABSTRACT:
The machine comprises an openable moulding box which has a perforated top side and is in the form of two separable semi-moulds. A sand blowing head is movably connected to the machine stand by at least one pair of parallel connecting elements which form a deformable parallelogram structure. The head is capable of being moved away from the perforated top side or against the latter for blowing a mixture of sand and binder into the interior of the mould.

REFERENCES:
patent: 3756342 (1973-09-01), Burdick
patent: 3989086 (1976-11-01), Buhrer
patent: 4031946 (1977-06-01), Marti et al.

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