Shooting device for core blowing machines

Details Shooting device for core blowing machines Shooting device for core blowing machines

1987-07-29

1989-02-28

Godici, Nicholas P.

Metal founding

Means to shape a forming surface

Including means for compacting particulate fluent mold...

164198, B22C 1522

Patent

active

048076902

ABSTRACT:
Shooting device for core blowing machines, which may be coupled to the mouth of the sand magazine prior to the shooting operation and separated therefrom at the end of said shooting operation in order to change the magazine. The device includes a ram, alternatively displaceable by hydraulic means, designed to couple to and separate from the mouth of the magazine, through which the air discharged from the reservoir reaches the magazine with the aid of a shooting valve which cuts off the supply from the reservoir by means of the pressure source acting against the piston and specifically against one of the surfaces of the piston having a considerably larger surface area than that against which acts the pressure from the reservoir, aperture whereof is effected automatically by cutting off the pressure source supply both to the valve itself and to the reservoir. The shooting valve is established within the hollow ram and the fluid stored in the reservoir reaches the magazine through the ram itself and, with the shooting valve placed therebetween, through the actual guide columns for alternative displacement of the ram, wherefore the columns are hollow.

REFERENCES:
patent: 2882565 (1959-04-01), Selby
patent: 3659642 (1972-05-01), Vasilkovsky et al.

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