Casting nozzle

Details Casting nozzle Casting nozzle

1986-08-19

1988-10-25

Rolla, Joseph J.

Dispensing

Molten metal dispensing

Gaseous fluid engages molten metal

222606, 164415, 164437, B22D 1110

Patent

active

047797754

ABSTRACT:
A casting nozzle designed such that the sticking of nonmetallic impurities to the outlet of the nozzle is prevented by blowing out a gas. The casting nozzle comprises a nozzle proper, an annular hollow chamber for gas blowing formed in the axial direction of the nozzle proper, and annularly arranged reticulate small holes for gas blowing communicating with the annular hollow chamber, the small holes opening at the outlet of the nozzle. The reticulate small holes are formed when organic filaments wound round a portion of the inside wall of the nozzle proper carbonize, volatilize, or shrink upon heating.

REFERENCES:
patent: 4108339 (1978-08-01), Lunde
patent: 4360190 (1982-11-01), Ato
patent: 4487251 (1984-12-01), Cahoon et al.
patent: 4640447 (1987-02-01), Geller et al.
patent: 4668554 (1987-05-01), Thornton

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