Air impact sandbox moulding machine with a blowing head

Details Air impact sandbox moulding machine with a blowing head Air impact sandbox moulding machine with a blowing head

1992-10-27

1994-04-12

Batten, Jr., J. Reed

Metal founding

Means to shape a forming surface

Including means for compacting particulate fluent mold...

164169, 164207, B22C 1528

Patent

active

053017404

ABSTRACT:
A moulding machine with a blowing head includes a hollow rammer within which is provided a valve which receives blast air from a drum and which by telescopic conduits plays inside guide-columns in a fixed framework. The rammer is fixed through a flange to a metal plate provided with holes for passage therethrough of blowing air. The metal plate plays tightly inside a subframe which is rigidly connected to a framework fixed to the machine. Another frame, associated with a moulding box, is tightly coupled with the box when a table carrying a moulding plate rises so that after blowing air when the valve opens or after compacting by blowing, the rammer travels down and hence also the metal plate which performs a mechanical compacting of the sand mass.

REFERENCES:
patent: 4230172 (1980-10-01), Uzaki et al.
patent: 4750540 (1988-06-01), Boenisch
patent: 5161596 (1992-11-01), Fischer et al.

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