Method of making a sand mold

Details Method of making a sand mold Method of making a sand mold

1975-11-17

1978-08-01

White, Robert F.

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

Stratified or layered articles

264118, 264162, 264219, 164 17, C04B 3514

Patent

active

041043472

ABSTRACT:
A method of making a mold by the use of sand is started by filling a mass of sand in a mold jacket which is in turn rammed to provide a block of sand. The sand block thus formed is excavated by a cutting device to form a mold cavity. The cutting device is guided by a profiling machine in accordance with a predetermined program which describes the shape of an ultimately desired casting to be manufactured by the use of the sand mold.

REFERENCES:
patent: 1206553 (1916-11-01), Lewis
patent: 3101516 (1963-08-01), Hokkeling
patent: 3387645 (1968-06-01), Van Beckhoven

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