Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB9618465Aexternal-prioritypatent/GB2317141B/en
Application filed by Robin HamiltonfiledCriticalRobin Hamilton
Publication of NZ507041ApublicationCriticalpatent/NZ507041A/en
A compaction apparatus (2) has a screw conveyor (4) for conveying, waste material through a passage (6) and compacting it therein. An exit nozzle (10) is arranged to communicate with the passage (6). The nozzle (10) has a transverse internal cross-sectional area which enlarges and reduces respectively in response to increasing and decreasing material pressure
NZ507041A1996-09-051997-09-05Compaction apparatus comprising a screw conveyer and an exit nozzle of the conveyer having an elastic restriction
NZ507041A
(en)
Method and apparatus for pressing mainly organic material where the material is subjected to pre-compression by means of a repeated pressing force acting across the material's feed direction.