Method and apparatus for removing excess material from sand core

Details Method and apparatus for removing excess material from sand core Method and apparatus for removing excess material from sand core

1985-03-29

1987-04-21

Fisher, Richard V.

Cleaning and liquid contact with solids

Processes

Using solid work treating agents

15 35, 15304, 51320, 51418, B24C 312, B08B 700

Patent

active

046593918

ABSTRACT:
A method and apparatus for removing flash and other excess material from sand cores in which the cores are showered with impact particles of relatively soft material and contained in moving air streams issuing from a plurality of nozzles directed against opposite sides of cores being cleaned. Low pressure air from a blower is used at the nozzles to obtain a high density of particles in the moving air stream and provide for engagement of the particles in a gentle manner with the sand cores so as to minimize surface erosion of the cores.

REFERENCES:
patent: 3313067 (1967-04-01), Smith et al.
patent: 3559344 (1971-02-01), Peterson
patent: 3696565 (1972-10-01), Claeys
patent: 3854899 (1974-12-01), Germain et al.
patent: 4115960 (1978-09-01), Zecher
patent: 4174591 (1979-11-01), Dupre et al.

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