Process for the automatic forming of continuous metal tube fille

Details Process for the automatic forming of continuous metal tube fille Process for the automatic forming of continuous metal tube fille

1986-12-10

1987-12-08

Rosenberg, Peter D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 58, 420129, 420590, C21C 702

Patent

active

047116633

ABSTRACT:
Process for the continuous forming of a metal tube filled with powdered elements, such as ferroalloys and other materials, utilizable in the treatment of liquid metals in ladle at same time of its forming, consisting in making advance a metal sheet (2) unrolling from a roll (1), in sending it into a filling matrix or chamber (5), then in depositing on the same sheet a metered and weighted amount of processing powders fed from separate hoppers, in subsequently bending said loaded sheet so as to let it assume a substantially U-shaped channel shape, and in making it then assume the shape of a closed tube with compacted powder inside it, due to partial overlapping of the side flanges of U-shaped channel and, finally, in dipping the so-formed tube into a ladle (16).

REFERENCES:
patent: 4094666 (1978-06-01), Ototani
patent: 4126446 (1978-11-01), Knorre
patent: 4128414 (1978-12-01), Hater
patent: 4297133 (1981-10-01), Fujii
patent: 4364770 (1982-12-01), Donchy

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