Plastic article or earthenware shaping or treating: apparatus – Means applying electrical or wave energy directly to work – Sonic or supersonic wave energy
Patent
1990-11-27
1992-06-16
Rosenbaum, Mark
Plastic article or earthenware shaping or treating: apparatus
Means applying electrical or wave energy directly to work
Sonic or supersonic wave energy
164501, 241 1, 241301, 266200, 266202, 2391021, B28B 1700
Patent
active
051220474
ABSTRACT:
The invention relates to an apparatus for pulverizing at least a jet of a quid or solid material in a standing ultrasonic field which is generated between at least a pair of ultrasonic devices. To increase the pulverizing capacity a plurality of pulverizing fluid jets and in addition supplementary fluid jets, for example a gas is introduced through separate nozzles at each nodal pressure area of the standing ultrasonic wave. In addition the pulverizing capacity is further increased by providing special horn shapes of the ultrasonic devices.
REFERENCES:
patent: 3274642 (1966-09-01), Cramer
patent: 4473185 (1984-09-01), Peterson et al.
patent: 4981425 (1991-01-01), Lierke et al.
Bauckhage Klaus
Schreckenberg Peter
Vetters Hermann
Branson Ultraschall Niederlassung der Emerson Technologies GmbH
Chin Frances
Rosenbaum Mark
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