Plastic article or earthenware shaping or treating: apparatus – Means making particulate material directly from liquid or... – By means applying fluid jet or blast to unconfined liquid...
Patent
1980-06-05
1982-01-05
Hall, James R.
Plastic article or earthenware shaping or treating: apparatus
Means making particulate material directly from liquid or...
By means applying fluid jet or blast to unconfined liquid...
264 12, B22F 900
Patent
active
043091598
ABSTRACT:
An improved refractory nozzle for use with a tundish in the atomization of molten metal to produce metal particles for powder metallurgy applications. The nozzle is constructed from refractory material and has a metal sleeve surrounding the nozzle bore near the discharge end thereof but offset a distance from the bore. The metal sleeve minimizes cracking caused by the thermal gradient resulting from molten metal passing through the nozzle to heat the nozzle interior to a temperature higher than the nozzle exterior at the tip.
REFERENCES:
patent: 2968062 (1961-01-01), Probst et al.
patent: 4243400 (1981-01-01), Ohsato et al.
Crucible Inc.
Hall James R.
Mullen, Jr. Clair X.
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