Closures for metallurgical vessel pouring apertures

Details Closures for metallurgical vessel pouring apertures Closures for metallurgical vessel pouring apertures

1989-02-21

1990-04-03

Kastler, S.

Metallurgical apparatus

Process

Plugging or tapping

266272, 222597, C21C 546

Patent

active

049134043

ABSTRACT:
The invention provides a closure member for a taphole or closure of a metal and slag containing vessel comprising a plug including a temperature reactive component rapidly expandable when subjected to heat, and a component softening under the effect of heat whereby, in use, the closure member expands and fits the taphole to form a block thereto.

REFERENCES:
patent: 4010936 (1977-03-01), Takashima
patent: 4399986 (1983-08-01), Collins
patent: 4471950 (1984-09-01), LaBate

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