Apparatus for preparation of fluidized sand

Details Apparatus for preparation of fluidized sand Apparatus for preparation of fluidized sand

1979-08-10

1981-08-25

McCarthy, Edward J.

Agitating

Mortar mixer type

With ingredient proportioning

366 34, B28C 704

Patent

active

042855993

ABSTRACT:
A characteristic feature of the invention lies in that a container for each liquid component, incorporated in a sand machine, is provided with an actuator intended for effecting forcible opening of the container spring-loaded valve, a device for controlling this actuator, and an eccentric mounted on the shaft of a drive for actuating feeders and acting on the control device; each proportioner for a fluid component is provided with spring-loaded diaphragms, of which one is adapted to control a feeder for loose components and the other, to close the feeder outlet. The connection between the feeders is effected by an intermediary member connected with the spring-loaded diaphragm and brought in contact with a cam mounted on the shaft of the drive for feeders and set at an angle of 2 to 15 deg. relative to the eccentric.

REFERENCES:
patent: 2709843 (1955-06-01), Hartley
patent: 2863191 (1958-12-01), Dietert
patent: 3070858 (1963-01-01), Deacon
patent: 3082497 (1963-03-01), Michalowski

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