Apparatus for the continuous feeding of material to be melted

Details Apparatus for the continuous feeding of material to be melted Apparatus for the continuous feeding of material to be melted

1988-01-27

1990-02-27

Bucci, David A.

Material or article handling

Apparatus for moving material between zones having different...

For carrying standarized mechanical interface type

141263, 414200, B01J 400, C30B 1502

Patent

active

049041436

ABSTRACT:
In an apparatus for the continuous feeding of material to a melting crucible in the pulling of monocrystals in a vacuum tank, a first container (3) is provided which is provided with an internal lining (4) adapted to the container shape and having a funnel-shaped section (4') and a cylindrical outlet (4"') adjoining the latter, the outlet (4"') being displaceable through a lock valve (10) into the connecting pipe (11) of a second container (12) which in turn, through an outlet tube (18) with elbow (19) brought through the wall of the vacuum tank, leads into the area above the melting crucible. The two containers (3, 12) are for that purpose coupled with the hydraulic cylinder (28) of a linear actuator by which the distance between the two containers (3, 12) can be varied.

REFERENCES:
patent: 990555 (1911-04-01), Hitchcock
patent: 1589011 (1926-06-01), Langworthy
patent: 1713543 (1929-05-01), Machlet
patent: 3139479 (1964-06-01), Evans
patent: 3573337 (1971-04-01), Grimm et al.
patent: 3633897 (1972-01-01), Vogel
patent: 3680849 (1972-08-01), Niebor
patent: 4071151 (1978-01-01), Farber
patent: 4212317 (1980-07-01), Patrick et al.
patent: 4668478 (1987-05-01), Homer et al.

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