Patent ID: 7478770

Claim:
A method of cold granulation comprising the following stages; choose at least one product to be treated, press ( 24 ) said one product into blocks, shred ( 32 ) said blocks to make cuttings, circulate said cuttings in a granulator device ( 42 ) for producing particles divided into a distribution, filter ( 46 ) said particles thus produced so as to: 1) remove fine particles by means of a primary cyclone ( 50 ) and to collect dust in a filter ( 56 ) letting out primary filtered air ( 58 ), 2) direct towards a separator ( 62 ) of granules collecting on one side fine granules from 1 mm to 3 mm in diameter and on another side coarse granules ( 66 ) being possibly reintegrated in the chain between the shredding and the granulation, 3) lead towards a secondary cyclone ( 70 ) remaining dust then direct towards a secondary filter ( 74 ) in order to remove dust and letting secondary filtered air ( 76 ) out.