Metallurgical apparatus – Means sealing or opening aperture in vessel – By means plugging aperture
Patent
1976-07-02
1977-11-15
Dost, Gerald A.
Metallurgical apparatus
Means sealing or opening aperture in vessel
By means plugging aperture
C21B 712
Patent
active
040583007
ABSTRACT:
The efficiency of operation of a taphole plugging clay gun for a blast furnace is enhanced by facilitating the cleaning of the sealant receiving chamber thereof behind the ejector piston which moves therein. Cleaning is facilitated by providing a protective casing which defines an annular chamber into which sealant leaking past or falling behind the ejector piston is forced; the annular chamber being provided with cleaning ports in the side wall.
REFERENCES:
patent: 2062860 (1936-12-01), Brosius
patent: 3188923 (1965-06-01), Mandelko
Mailliet Pierre H.
Metz Jean
Dost Gerald A.
S.A. des Anciens Etablissements Paul Wurth
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