Metal founding – Means to shape a forming surface – Shell type mold making machine
Patent
1978-12-28
1980-05-27
Baldwin, Robert D.
Metal founding
Means to shape a forming surface
Shell type mold making machine
164 16, 164201, B22C 1106, B22C 1524
Patent
active
042045690
ABSTRACT:
Multi-core box apparatus for producing hollow foundry cores made from sand mixed with a binder that is curable either by gaseous catalytic action or by elevated temperature comprises a plurality of core boxes mounted on a housing that is rotatable in a vertical plane. The core boxes are presented sequentially by an index mechanism at various positions where treatment of material in the core boxes is carried out and at a last position a finished hollow foundry core is removed automatically from a core box.
The automatic apparatus for removing the finished core from the core box, and for depositing the finished core on a conveyor comprises an elongated rod that can be inserted into the hollow core and that supports the core when the core box half portions separate. The elongated rod is carried by a spindle on a movable carriage so that the spindle and rod rotate and reciprocate thereby removing the hollow core for further treatment.
REFERENCES:
patent: 2830337 (1958-04-01), Shelby et al.
patent: 2852818 (1958-09-01), Shallenberger et al.
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