Making a taphole

Details Making a taphole Making a taphole

1989-08-16

1991-05-28

Kastler, III, S.

Metallurgical apparatus

Means sealing or opening aperture in vessel

222591, B22D 4152

Patent

active

050187090

ABSTRACT:
A preformed taphole for a steelmaking vessel such as a BOF furnace or a ladle is made by forming refractory material about a steel pipe, the refractory comprising refractory aggregate, a water soluble binder, metal fibers such as stainless steel fibers, and graphite, preferably flake graphite.

REFERENCES:
patent: 3206183 (1965-09-01), Marwick, Jr.
patent: 3820947 (1974-06-01), Boto et al.
patent: 3879208 (1975-04-01), Cassens, Jr.
patent: 4142555 (1979-03-01), Satake et al.
patent: 4208214 (1980-06-01), Stein et al.
patent: 4397338 (1983-08-01), Cunningham

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