Method of producing spherical products

Details Method of producing spherical products Method of producing spherical products

1992-01-06

1992-08-18

Schor, Kenneth M.

Glass manufacturing

Processes

Self-supporting particle making

65 211, 65142, 264 8, C08P 1910

Patent

active

051395517

ABSTRACT:
Spherical products of a heat-softened material are produced by supplying a molten heat-softened material into a C-shaped channel-like spinner with an open upper surface and a large number of orifices formed in its circumferential wall, at a rate of 0.020 kg/hr or lower per a single orifice of the spinner; rotating the spinner at a high speed to form cone-like fine streams of the molten material from the orifices by means of a centrifugal force; and flowing streams of a hot gas so as to traverse the fine streams of molten material to thereby heat the same resulting in reducing the viscosity of the molten material and to break the fine streams by the hot gas streams.

REFERENCES:
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patent: 3279905 (1966-10-01), Wood et al.
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patent: 3293014 (1966-12-01), Callander et al.
patent: 3843340 (1974-10-01), Cone
patent: 3907537 (1975-09-01), Irgens
patent: 4303433 (1981-12-01), Torobin
patent: 4392879 (1983-07-01), Takeuchi et al.
patent: 4601742 (1986-07-01), Kaveh
patent: 4668265 (1987-05-01), Gaul
patent: 4808097 (1989-02-01), Takahashi

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