Metal founding – Process – Shaping liquid metal against a forming surface
Patent
1975-01-06
1976-12-21
Shore, Ronald J.
Metal founding
Process
Shaping liquid metal against a forming surface
164404, 51164, 209297, B22D 2900
Patent
active
039982629
ABSTRACT:
In a casting shake-out unit comprising a longitudinal cylinder being approximately horizontally disposed is driven in rotation by means of a motor, the cylinder includes a concentric inner cylinder formed as an apertured surface having rifling arranged helically upon its interior surface, with integral vanes helically arranged intermediate the inner apertured cylinder and the outer longitudinal cylinder. As sand encrusted castings are deposited into the cylinders, and while they are rotated, said castings are tumbled and urged to move longitudinally of the apertured cylinder while the loosened mold sand falls therethrough, and is likewise moved longitudinally of the apertured cylinder while the loosened mold sand falls therethrough, and is likewise moved longitudinally of the outer cylinder to a location for collection. The inner apertured cylinder or surface may be sectionalized, formed as modular components, for replacement as they wear out, and may be secured together and locked in place for forming a unitized inner apertured cylinder that functions as defined.
REFERENCES:
patent: 677691 (1901-07-01), Packer
patent: 1743833 (1930-01-01), Stall
patent: 2351453 (1944-06-01), Perl
patent: 2523258 (1950-09-01), Ransohoff
patent: 3388478 (1968-06-01), Vissers
Denk Paul M.
Shore Ronald J.
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