Evaporating crucible

Details Evaporating crucible Evaporating crucible

1978-11-22

1980-06-17

Dean, R.

Metallurgical apparatus

Means for melting or vaporizing metal or treating liquefied...

Heated melting pot

266275, 13 31EB, F27B 1408

Patent

active

042080428

ABSTRACT:
Evaporating crucible having a crucible floor and a peripheral rim therearound. The floor has a plurality of floor apertures for feeding a plurality of rods of evaporating material and, surrounding the floor apertures, superelevations are provided whereby the distance from the crucible floor to the maximum fill level of the evaporating material is reduced by at least fifteen percent.

REFERENCES:
patent: 112831 (1871-03-01), Millochau
patent: 890941 (1908-06-01), Treadwell
patent: 2152446 (1939-03-01), Temple
patent: 3131051 (1964-04-01), Hanks et al.
patent: 3132198 (1964-05-01), Bois et al.
patent: 3607222 (1971-09-01), Kennedy
patent: 3730962 (1973-05-01), Norwalk
patent: 3848072 (1974-11-01), Dershiem et al.
patent: 4043543 (1977-08-01), Courtenay et al.
patent: 4055336 (1977-10-01), Massin

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