Advanced feed tip nozzle for twin roll caster

Details Advanced feed tip nozzle for twin roll caster Advanced feed tip nozzle for twin roll caster

1995-09-01

1997-08-26

Hail, III, Joseph J.

Dispensing

Molten metal dispensing

164437, 164428, B22D 4150, B22D 1110

Patent

active

056607571

ABSTRACT:
A molten metal feed tip nozzle for a continuous roll caster is made by combining a pair of elongated feed tip nozzle members with a non-aggressive buffer pad. The feed tip nozzle members are spaced apart a sufficient distance to allow molten metal to pass through the downstream edges to engage the surfaces of the caster rolls. The buffer pad is secured to an outside face of each feed tip nozzle member along the downstream edge. The buffer pad comprises at least an outside face which is less aggressive than the material forming the feed tip nozzle members for minimizing scratching of the rolls. Preferably, an upstream portion of the buffer pad contains a material that expands upon heating for conforming the outside of the pad to the surface of the adjacent roll.

REFERENCES:
patent: 3430683 (1969-03-01), Hood, Jr.
patent: 4217947 (1980-08-01), Gyongyos et al.
patent: 4232804 (1980-11-01), Lewis et al.
patent: 4303181 (1981-12-01), Lewis et al.
patent: 4641767 (1987-02-01), Smith
patent: 4705466 (1987-11-01), Balassa
patent: 4716956 (1988-01-01), Hoffman et al.
patent: 4811781 (1989-03-01), Romanowski et al.
patent: 5435375 (1995-07-01), Eckert

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