REFINER - VALMET OY

Title:

REFINER

Document Type and Number:

WIPO Patent Application WO/2015/119549

Kind Code:

A8

Abstract:

Refiner comprising relatively rotatable inner 2 and outer 3 conical refining blades. The refining blades 2, 3 being coaxially arranged around a symmetry axis 6 and being provided with first bars 200 and second bars 300, respectively, for grinding of fibrous material. The inner conical refining blade 2 or any of the first bars 200 of the inner conical refining blade 2 extends further along the symmetry axis 6, in the direction of the tapering of the inner 2 and outer 3 conical refining blades, than the outer conical refining blade 3 or any of the second bars 300 of the outer conical refining blade 3.

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Inventors:

HAWÉN ANDERS (SE)

Application Number:

PCT/SE2014/051574

Publication Date:

August 11, 2016

Filing Date:

December 23, 2014

Export Citation:

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Assignee:

VALMET OY (SE)

International Classes:

D21D1/26; B02C7/06; B02C7/11

Attorney, Agent or Firm:

AROS PATENT AB (Uppsala, SE)

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