Metallurgical apparatus – Miscellaneous
Patent
1977-08-24
1978-05-02
Dost, Gerald A.
Metallurgical apparatus
Miscellaneous
173 23, 173 43, 214 1BB, F27B 110
Patent
active
040870847
ABSTRACT:
An apparatus for removing and replacing blast furnace tuyeres. The apparatus is indexed with the centerline of the tuyere and downcomer from the bustle pipe to permit removal and replacement of the blowpipe-elbow, tuyere and tuyere cooler.
REFERENCES:
patent: 3314671 (1967-04-01), Heino et al.
patent: 3834761 (1974-09-01), Ray et al.
patent: 4037828 (1977-07-01), Terada et al.
Dost Gerald A.
Louis A. Grant, Inc.
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