Apparatus for recharging a heated receptacle with particulate ma

Details Apparatus for recharging a heated receptacle with particulate ma Apparatus for recharging a heated receptacle with particulate ma

1994-01-10

1995-05-30

Kashnikow, Andres

Dispensing

With casing or support

Jacketed

222185, 222462, 222509, 222523, 222525, B67D 506

Patent

active

054194628

ABSTRACT:
Particle scattering and/or trapping in the feed of particulate matter into a receptacle can be avoided by the use of a particulate matter-dispensing apparatus comprising telescopically-aligned internal and external robes associated with an actuator for telescopic movement of the tubes; the tubes having inner surfaces which are free of any protrusion or recession capable of preventing telescopic movement of the tubes or permitting the resting of particulate matter within the tubes, and the external tube having a distal orifice which is sufficiently smaller than its bore to decrease the flow rate of particulate matter through the tube. The novel apparatus is particularly useful for the discontinuous feeding of particulate polysilicon into a melting crucible.

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