Classifying – separating – and assorting solids – Treatment subsequent
Patent
1975-10-29
1976-12-14
Lutter, Frank W.
Classifying, separating, and assorting solids
Treatment subsequent
209 1, 209 17, 209133, 209172, 209250, 75 37, 176 1, B07B 1500
Patent
active
039974359
ABSTRACT:
Hollow microspheres having thin and very uniform wall thickness are useful as containers for the deuterium and tritium gas mixture used as a fuel in laser fusion targets. Hollow microspheres are commercially available; however, in commercial lots only a very small number meet the rigid requirements for use in laser fusion targets. Those meeting these requirements may be separated from the unsuitable ones by subjecting the commercial lot to size and density separations and then by subjecting those hollow microspheres thus separated to an external pressurization at which those which are aspherical or which have nonuniform walls are broken and separating the sound hollow microspheres from the broken ones.
REFERENCES:
patent: 2621034 (1952-12-01), Stecker
patent: 3030215 (1962-04-01), Veatch et al.
patent: 3756400 (1973-09-01), Kammori et al.
patent: 3838998 (1974-10-01), Matthews et al.
Paul et al., "Production and Separation of Small Glass Spheres", British J. Appl. Phys., vol. 3, Oct. 1952, pp. 311-314.
Farnum Eugene H.
Fries R. Jay
Havenhill Jerry W.
Smith Maurice Lee
Stoltz Daniel L.
Carlson Dean F.
Hill Ralph J.
Lutter Frank W.
The United States of America as represented by the United States
Walterscheid Edward C.
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