Title:
A CUTTER RING, A BACK PRESSURE RING, A CUTTING MACHINE AND A METHOD FOR DISINTEGRATION OF FIBROUS MATERIALS
Document Type and Number:
WIPO Patent Application WO/2011/035786
Kind Code:
A3
Abstract:
A cutting machine and parts thereof for disintegrating fibrous materials are disclosed, the cutting machine comprising two cutter assemblies rotating in opposite directions around parallel axes, each of the cutter assemblies comprising a series of alternating cutter rings and elastic back pressure rings fixed to each other to rotate with a common rotational speed. Each of the cutter rings comprises a number of crushing edges extending in a radial direction from the axis of rotation. The two cutter assemblies arranged so that the crushing edges of one cutter assembly are in close contact with the back pressure rings of the other cutter assembly creating a crushing effect there between.
Inventors:
NIELSEN KJELD ROENNING (DK)
Application Number:
PCT/DK2010/050242
Publication Date:
March 22, 2012
Filing Date:
September 21, 2010
Export Citation:
Assignee:
JW ENGINEERING AS (DK)
NIELSEN KJELD ROENNING (DK)
NIELSEN KJELD ROENNING (DK)
International Classes:
B02C18/18; B02C18/14
Domestic Patent References:
| WO2001041987A1 | 2001-06-14 |
Foreign References:
| DE4444977A1 | 1996-06-20 | |||
| EP1454673A1 | 2004-09-08 | |||
| EP1920846A1 | 2008-05-14 |
Attorney, Agent or Firm:
PATENTGRUPPEN A/S (4th floor, Aarhus C, DK)
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