Screw press
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United States of America Patent
Stats
-
Jul 17, 1990
Grant Date -
N/A
app pub date -
Jul 11, 1988
filing date -
Jan 2, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A screw press comprises a housing having a spray casing and a screen casing arranged within the spray casing and forming an annular space therebetween, at least one press spindle located within the screen casing and forming a pressing space therebetween, the at least one press spindle having a plurality of wing members and at least one axial zone free of the wing members, and at least one dewatering member which is supported by the housing and located in the at least one axial zone in the pressing space between the spindle body and the screen casing, the at least one dewatering member being hollow and provided with a plurality of perforations and also having an outlet which opens into the annular space between the screen casing and the spray casing, the at least one dewatering member being arranged at a radial distance from the spindle and the screen casing, and at least one carrier holding the at least one dewatering member.
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