Plastic and nonmetallic article shaping or treating: processes – Formation of solid particulate material directly from molten... – By impinging or atomizing with gaseous jet or blast
Patent
1984-03-27
1987-11-17
Thurlow, Jeffery
Plastic and nonmetallic article shaping or treating: processes
Formation of solid particulate material directly from molten...
By impinging or atomizing with gaseous jet or blast
264 39, 264 401, 264 405, 264109, 264334, 264338, 425 6, 425107, 425170, 425DIG115, B29C 3358, B29C 4358
Patent
active
047073098
ABSTRACT:
The invention is directed to a process for dotting molding tools with droplets of liquid or suspended lubricant in the production of shaped articles in the pharmaceutical, food, or catalyst fields. Pressurized lubricant solutions or suspensions and pressurized gas are alternately passed through capillaries, in conjunction with alternating single-substance nozzles, in such a way that drops are formed on the nozzle surface, in between the jets of gas, and are then detached form this surface and directed to specific zones of pressing tools. The apparatus comprises fast-acting valves for the brief release of pressurized gases and lubricant liquids or suspensions. The delivery lines of a gas valve and a liquid valve combine upstream of a capillary, and single-substance nozzles are mounted at the end of the capillaries.
REFERENCES:
patent: 3255716 (1966-06-01), Knoechel et al.
patent: 3645319 (1972-02-01), Pondelicek et al.
patent: 3995979 (1976-12-01), Fedrigo
patent: 4323530 (1982-04-01), Voss et al.
patent: 4388343 (1983-06-01), Voss et al.
Bubeck Walter
Glasel Volker I.
Gruber Peter
Voss Gunther M.
Dr. Karl Thomae GmbH
Thurlow Jeffery
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