Drag mold release mechanism

Details Drag mold release mechanism Drag mold release mechanism

1998-02-26

1998-12-29

Batten, Jr., J. Reed

Metal founding

Process

With measuring, testing, inspecting, or condition determination

164 29, 1641542, 164182, 164239, 164243, 164384, B22C 704, B22C 902, B22C 2100

Patent

active

058530428

ABSTRACT:
The drag flask has at least two opposed sides which include recesses proximate the matchplate. Manifolds are provided in the recesses to communicate compressed air from a source of compressed air to air inlets provided in the manifold. The manifolds are separated from the recesses using an elastomeric seal which is contoured to direct the compressed air between an air passage disposed between the drag mold and the matchplate. When incorporated into a sand mold forming machine, sensors are positioned on the sand mold forming machine to detect when the drag flask has reached a releasing position to thereby cause the source of compressed air to inject air into the manifold and air passage for release of the drag mold from the drag flask.

REFERENCES:
patent: 3406738 (1968-10-01), Hunter
patent: 3506058 (1970-04-01), Hunter
patent: 3520348 (1970-07-01), Hunter
patent: 3648759 (1972-03-01), Lund et al.
patent: 3878881 (1975-04-01), Lund et al.
patent: 4593740 (1986-06-01), Buhler
patent: 5022512 (1991-06-01), Hunter

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