Automatic tapping thimble

Details Automatic tapping thimble Automatic tapping thimble

1998-10-23

2000-09-19

Kastler, Scott

Metallurgical apparatus

Process

Plugging or tapping

266236, 266271, 222590, 222597, C21B 712

Patent

active

061207268

ABSTRACT:
The invention relates to an automatically opening tapping thimble made from a refractory material for casting crucibles which are used in aluminothermic reactions. This thimble consists entirely or partially of air-permeable graphite or metal whose melting point lies between 2100 and 3727.degree. C.

REFERENCES:
patent: 3831915 (1974-08-01), Guntermann
patent: 4149704 (1979-04-01), de Savigny
patent: 4522322 (1985-06-01), Guntermann et al.
patent: 5164098 (1992-11-01), Brown et al.
patent: 5718415 (1998-02-01), Dainton

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