Opening element for an insert nozzle of a slide gate valve appar

Details Opening element for an insert nozzle of a slide gate valve appar Opening element for an insert nozzle of a slide gate valve appar

1988-12-20

1990-04-03

Kastler, S.

Dispensing

Processes of dispensing

Molten metal

222600, 266271, B22D 4108

Patent

active

049133144

ABSTRACT:
An opening element for an insert nozzle of a slide gate valve apparatus, wherein a dead weight having an outside diameter smaller than the inside diameter of the melt passage opening of the slide gate valve apparatus is connected to a refractory cap by means of a steel wire, or by a refractory or metallic coupling rod and a method of opening said slide gate valve apparatus wherein said opening element is set in said respective passage openings of the insert nozzle and of a bottom plate connected to the nozzle, and said opening element is opened by the impact load exerted when said dead weight falls down due to the opening of the slide gate valve apparatus.

REFERENCES:
patent: 4795066 (1989-01-01), Worrell

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