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(11)    Patent No :    AP 2584   
(21)    Application No :    AP/P/2008/004685   
(22)    Filing Date :    30.04.2007   
(24)    Date of Grant &    04.02.2013   
           
(45)    Publication :

(30)  Priority Data       
(33) Country    (31) Number    (32) Date
NO    20061940    02.05.2006

(84)    Designated State

BW    GM    GH    KE    LS    MW  MZ   NA   SL
SD    SZ    T Z    UG    ZM    ZW
(73) Applicant(s)
NORSK BIOGASS AS, Vakåsveien 9, N-1395 Hvalstad,

Norway
(72) Inventors
BU Bjørn, Norway
(74) Representative
FISHER CORMACK & BOTHA

(51)  International  Classification   B02C 23/08 (2006.01)    B02D 23/16 (2006.01)
(54)    Title
Aparatus and method for seperation of waste material

(57)    Abstract

A machine for providing organic particles preferably substrate for use in manufacturing biogas, the machine comprising; an intake for input of moist and dry organic waste to the machine's interior chamber, where the organic waste may contain foreign bodies such as soft packaging, preferably plastics, netting and binding twine, as well as metal and glass, etc.; a rotating shaft located in the chamber and provided with at least one tool which is positioned

at the circumference of the shaft, the tool/tools having a blunt shape; a stationary part mounted in the chamber, where the stationary part acts as the

tool's counter-tool; an outlet for milled particles; an ejector for foreign bodies, the distance between the tool and the stationary part being of such a size that

a milling effect is achieved on the waste's solid parts for grinding up into smaller pieces, while the extent of the distance prevents a grinding effect

(56)    Documents Cited :    DE-19600482 A1    JP-2002177888 A

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