Plastic article or earthenware shaping or treating: apparatus – Means making particulate material directly from liquid or... – And distinct means applying congealing fluid to formed...
Patent
1981-04-29
1983-04-12
Anderson, Philip E.
Plastic article or earthenware shaping or treating: apparatus
Means making particulate material directly from liquid or...
And distinct means applying congealing fluid to formed...
264 9, 264 14, 264 406, 425 6, 425143, B29C 2300
Patent
active
043796826
ABSTRACT:
A core/sheath vibrating system is utilized to produce core droplets within the sheath, which in turn form into microparticles through phase separation. The flow momentum is first arrested by means of an inclined surface, and the combination is thence deposited, in a continuous, helical channel extending from one end to the other of the inside of a hollow, rotating drum. Rotation of the drum moves the forming microspheres through the channel. At the exit end of the drum, the sheath fluid which carries suspended microspheres, may be filtered, and the microspheres collected and utilized.
REFERENCES:
patent: 2619496 (1952-11-01), Stanton
patent: 3344617 (1967-10-01), Rinfret et al.
patent: 4162282 (1979-07-01), Fulwyler et al.
patent: 4251195 (1981-02-01), Suzuki et al.
Fulwyler, M. J.; J. D. Perrings and L. S. Cram, "Production of Uniform Microspheres" in The Review of Scientific Instruments vol. 44, No. 2, Feb. 1973, pp. 204-206.
Lombardo Igino
Natale Peter J.
Anderson Philip E.
Hofer Mark A.
Ortho Diagnostics Inc.
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