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Class Information
Number: 241/49
Name: Solid material comminution or disintegration > Apparatus > Including means applying fluid to material > Gas swept comminuting zone > Gas borne material applied to screen
Description: Apparatus in which material suspended in a gaseous current is conveyed to a separating screen.

Sub-classes under this class:

Class Number Class Name Patents
241/50 Elevating fan on comminutor shaft 2
241/51 Screen forms part of comminuting surface 14

Patents under this class:

Patent Number Title Of Patent Date Issued
7905983 Refiner steam separation system for reduction of dryer emissions Mar. 15, 2011
7718034 Refiner steam separation system for reduction of dryer emissions May. 18, 2010
7368037 Refiner steam separation system for reduction of dryer emissions May. 6, 2008
5938129 Rotary mills Aug. 17, 1999
5836527 Apparatus for comminuting solid waste materials Nov. 17, 1998
5752664 Vertical grain milling machine May. 19, 1998
5526990 Apparatus for separating wood fibers from other fibers in fibremat residues Jun. 18, 1996
5395059 Spacer for abrasive roll of abrasive type grain milling machine Mar. 7, 1995
5370322 Filtering particulate cellulosic-based material Dec. 6, 1994
4687144 Apparatus for comminuting waste materials Aug. 18, 1987
4511092 Milling apparatus Apr. 16, 1985
4131247 Apparatus for reducing fragmentary stock Dec. 26, 1978
4106705 Resin material reclaiming machine Aug. 15, 1978

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