Stepped gate safety arrangement

Details Stepped gate safety arrangement Stepped gate safety arrangement

1990-10-31

1991-04-30

Kastler, S.

Dispensing

Molten metal dispensing

Flow controllers or assists

222597, B22D 4134

Patent

active

050110500

ABSTRACT:
Apparatus for loading a gate into a valve mechanism with a gate safety arrangement for physically preventing the gate from being loaded into the valve mechanism unless the gate has a prescribed orientation with respect to the loading path into the valve mechanism.

REFERENCES:
patent: 3436023 (1969-04-01), Thalmann
patent: 3454201 (1969-04-01), McShane
patent: 3866806 (1975-02-01), Shapland
patent: 3918613 (1975-11-01), Shapland, Jr.
patent: 4415103 (1983-11-01), Shapland et al.
patent: 4545512 (1985-10-01), Shapland et al.

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