Method to prepare extruded particles by breaking with an air str

Details Method to prepare extruded particles by breaking with an air str Method to prepare extruded particles by breaking with an air str

1990-11-08

1992-09-15

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

264142, 264143, B29C 902

Patent

active

051475936

ABSTRACT:
Extruded particles (H), especially as a precursor for pharmaceutical pellets are prepared by extruding a doughy mass in the form of a strand (G) into a gas stream (E) in which it is predried and also broken by the gas stream (E). A lance (40) is employed for the extrusion which extends through a treatment chamber (12) and carries extruder nozzles (80) opening transversely of the general flow of gas (E). A pressure gas nozzle (96) fed intermittently with pressurized air is directed to the opening range of each extruder nozzle (80).

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patent: 4960547 (1990-10-01), Reinhard
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