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Class 209/271 - Disk


Subclass of Class 209 - Classifying, separating, and assorting solids
Definition: Means and methods wherein rotating-disk sifters are employed
No. of patents: 15
Last issue date: 10/14/2008


NumberTitleIssue Date
7434695De-inking screen
Multiple shafts are aligned along a frame and configured to rotate in a direction causing paper products to move along a separation screen. The shafts are configured with a shape and spacing so that substantially rigid pieces of the paper products move along the scr...
10/14/2008
7261209Multi-disc module and method of application
A modular multi-disc assembly for use in material separation screens and a method of application to those screens are provided. The modular multi-disc assembly includes an inner securing hub that clamps onto the drive shaft of a material separation screen. The modul...
08/28/2007
7111739Wet fine particle sizing and separating apparatus
A particle sizing and separating apparatus is disclosed. The apparatus includes a base and a frame that is movably connected to the base. A motor assembly is provided to vibrate the frame and at least two screens are connected to the frame. Means also are provided f...
09/26/2006
5791491Apparatus and method for extracting impurities from a pulpous slurry
An apparatus (110) for extracting impurities from a pulpous slurry. The apparatus has a housing (111) and an auxiliary chamber (113). The housing has a separation chamber (127) having stack of disks (159) spaced from each other so as to form channels (172...
08/11/1998
5692619Apparatus for filtering suspensions
An apparatus for filtering suspensions is provided with rotatable annular vertical disks (4) covered with filter material and partly submerged in the suspension to be filtered. Each disc is provided with a number of cells (22) for receiving filtrate from ...
12/02/1997
5665207Strainer for paper making
A strainer for paper making capable of accomplishing maceration and screening of a paper feedstock with high efficiency and being simplified in structure and manufacturing. The strainer is arranged in proximity to a rotor and formed with a plurality of re...
09/09/1997
5441157Method and device for separating a suspension, preferably a fibre suspension
A suspension containing fine and coarse particles is sprayed under high pressure by way of spray nozzles (10) against a rotating filter medium (7), so that the suspension is separated into a fine fraction, which passes through the filter medium and which ...
08/15/1995
5297683Process and apparatus for processing resins
A resin processing system in which a mixture of resins, preferably a mixture of anionic and cationic resins, is separated by a laminar or essentially laminar flowing fluid through a separator module, wherein the anionic particles are removed from the top ...
03/29/1994
5124029Method of and device for fractionating suspensions
A device for fractionating pulp suspensions has a series of vertical filter sheets attached to a horizontal shaft. Suspension is sprayed against the sheets to effect a separation of coarse and fine solids. Cleansing liquid is also sprayed against the shee...
06/23/1992
5116490Rotary screen apparatus for use with cooling towers
An improved rotary screen for high volume water screening includes a rectangular truss having a forward bearing surface supporting a rotary screen element supported by a central rotating hub and a plurality of radial beams connecting to a peripheral beam....
05/26/1992
4844789Pressure vessel with rotating disk
A slurry of comminuted cellulosic fibrous material (e.g. paper pulp) is acted upon so that particles contained in the slurry are separated out from the slurry and introduced into a second liquid flow, while maintained under superatmospheric pressure. A pa...
07/04/1989
4579652Disk screen shaft assemblies and method of and means for manufacturing the same
Disk screen shaft assemblies have an array of concentric annular toothed disks mounted in axially spaced relation on and along shaft perimeters, with the inner diameters of the disks having bevelled edges welded to the shaft perimeters in a manner to conf...
04/01/1986
4303207Screening apparatus
Screening apparatus for fractionating material suspensions has a screen gap which is defined by a rotatable member and a stationary member. One of these members is provided with at least one projection which extends into the screen gap to inhibit clogging...
12/01/1981
4082227Slurry mixer and spreader
A mobile slurry mixer and spreader comprising a rotatable screen attached to and rotated by a drive and disposed within a mixing tank over a discharge opening. The rotatable screen prevents debris from entering the discharge opening while allowing a slurr...
04/04/1978
3985233Vibratory seedling cleaner
A seedling cleaning system has an infeed end and an outfeed end with an agitating conveying surface therebetween in order to shake and remove the soil from seedlings while continuously conveying them. A plurality of agitating cams are laterally spaced alo...
10/12/1976
 
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