Process for spheronization and device for implementing said proc

Details Process for spheronization and device for implementing said proc Process for spheronization and device for implementing said proc

1990-03-01

1991-04-30

Theisen, Mary Lynn

Plastic and nonmetallic article shaping or treating: processes

Treatment of material by vibrating, jarring, or agitating...

23313R, 264101, 264112, 264117, 425222, 427212, B29B 908

Patent

active

050116401

ABSTRACT:
One or more powders are placed in a leaktight vessel (12) having a substantially vertical axis and comprising a bottom blade rotating about an axis parallel to the axis of said vessel, and a spheronizing tool (28) having a substantially discoidal rotating form; said powders are mutually mixed by means of the rotation of said bottom blade, and a binder solution is added thereto. The composition of mixed powders thus added to is spheronized by immersing said spheronizing tool (28) in said composition and causing it to rotate simultaneously with said blade (18).

REFERENCES:
patent: Re27214 (1971-11-01), Nakahara
patent: 3400185 (1968-09-01), Kohnle et al.
patent: 3671296 (1972-06-01), Funakoshi et al.
patent: 3687717 (1972-08-01), Philip
patent: 3872200 (1975-03-01), Tokito et al.
patent: 4157371 (1979-06-01), Paulson et al.
patent: 4772434 (1988-09-01), Myers
patent: 4786506 (1988-11-01), Fontanelli

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