Gating system

Details Gating system Gating system

2005-03-08

2005-03-08

Lin, Kuang Y. (Department: 1725)

Metal founding

Means to shape metallic material

United particle type shaping surface

C164S058100, C164S244000

Reexamination Certificate

active

06863114

ABSTRACT:
A gating system for adding an alloying material to a molten base metal in immediate connection with a casting process. The gating system has a runner having an inlet whose cross-sectional area is throttled, a reaction chamber whose sectional area varies along the height of the reaction chamber as a function of the teeming rate, and a pressure and mixing chamber which is connected after the reaction chamber and provided with a partition. This results in a constant alloying material content of the metal being obtained at a varying teeming rate during the casting process.

REFERENCES:
patent: 3746078 (1973-07-01), Moore et al.
patent: 3971433 (1976-07-01), Duchenne
patent: 4037643 (1977-07-01), Mohla et al.
patent: 4412578 (1983-11-01), Doliwa et al.
patent: 0 032 282 (1981-07-01), None
patent: 0 067 500 (1982-12-01), None
patent: 0 347 052 (1989-12-01), None

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