Presses – With drain means for expressed liquid – Drainage through or along pressure surface
Patent
1981-11-10
1986-04-15
Feldman, Peter
Presses
With drain means for expressed liquid
Drainage through or along pressure surface
100148, 100150, 366 90, B30B 914, B30B 918
Patent
active
045819920
ABSTRACT:
A screw press for extracting liquids from liquid-solid mixtures continuously and in a single operation. The press comprises a barrel divided into a feed section and a pin-barrel section. A rotatable screw is disposed in the barrel. Grooves are provided in the feed section to ensure a good feed input and hence an economical throughput, the pin-barrel section including radial pins extending into the barrel which, together with the rotation of the screw cause a high pressure to build up in the barrel thereby comminuting the mixture. The screw has helical flights formed thereon, the flights defining ridges, radial bores being formed in the ridges which communicate with an axial bore formed in the screw permitting the draining away the extracted liquid directly from the region in which it is extracted.
REFERENCES:
patent: 1333249 (1918-07-01), Fiddyment
patent: 3230865 (1966-01-01), Hibbel et al.
patent: 3478679 (1969-11-01), Bauserman
patent: 3862594 (1975-01-01), Stolting
patent: 4024168 (1977-05-01), Homann et al.
patent: 4199263 (1980-04-01), Menges et al.
Feldman Peter
Hermann Berstorff Maschinenbau GmbH
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