Apparatus and method for making small spheres

Details Apparatus and method for making small spheres Apparatus and method for making small spheres

1976-04-12

1981-03-17

Czaja, Donald E.

Plastic and nonmetallic article shaping or treating: processes

Formation of solid particulate material directly from molten...

Utilizing centrifugal force or rotating forming zone

425 8, B01J 214

Patent

active

042566770

ABSTRACT:
Apparatus and method for making small spherical particles comprising rotating a toothed disc at a constant speed. Heating means are provided to heat the spinning toothed disc so that when material from which the particles are to be made touches the toothed disc the material will melt and migrate to the teeth and form beads on the teeth. As the tooth disc rotates, centrifugal force causes the beads to be thrown off and form spheres as the falling beads cool off and re-solidify.

REFERENCES:
patent: 1939391 (1933-12-01), Curran
patent: 2543069 (1951-02-01), Shabaker
patent: 2897539 (1959-08-01), McMillan
patent: 3499745 (1970-03-01), Plumat
patent: 3721511 (1973-03-01), Schlienger
patent: 3887667 (1975-06-01), Clark

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