Patents
Patents for D21D 5 - Purification of the pulp suspension by mechanical means; Apparatus therefor (4,157)
05/1995
05/24/1995EP0602062B1 Process for separating gaseous components from pourable media and device and installation therefor
05/17/1995CA2118617A1 Composite type screen
05/16/1995US5415294 Screen with a surface having projections or depressions
05/16/1995CA2028540C Apparatus for separating particles from a pulp flow and dividing the flow into fractions
05/03/1995EP0651091A1 Finely perforated undulating screen cylinder
05/03/1995EP0650542A1 Screening apparatus for papermaking pulp.
04/1995
04/29/1995CA2132921A1 Finely perforated undulating screen cylinder
04/27/1995WO1995011337A1 Method and apparatus for removing gas from a fibre-liquid suspension
04/27/1995WO1995011336A1 Rotary screening device
04/26/1995EP0649940A1 Method and apparatus for screening waste paper pulp
04/26/1995EP0649347A1 A cyclone separator
04/19/1995EP0648543A1 Vortex flow separator
04/19/1995CA2108598A1 Rotary screening device
04/18/1995US5407538 Device for separating a mixture of paper pulp and contaminants
04/11/1995US5405499 Cellulose pulps having improved softness potential
04/11/1995CA1335191C Screening method and apparatus for light reject removal
04/06/1995WO1995009270A1 Fractionator
04/06/1995WO1995009268A1 Method and apparatus for dewatering of a fibre suspension
04/06/1995CA2172286A1 Fractionator
04/06/1995CA2172285A1 Method and apparatus for dewatering of a fibre suspension
04/05/1995EP0646199A1 Pressure sorter for fibre suspensions.
04/04/1995US5403442 Pumping with deaerating centrifugal pump controls foaming on heat exchanging evaporator surfaces
04/04/1995CA1335088C Method and apparatus for treating fiber suspension
03/1995
03/29/1995CN2193376Y Thorough dissociation dust remover
03/29/1995CN2193375Y Thorough dissociation dust remover
03/28/1995US5401411 Hydrocyclone plant
03/22/1995EP0643785A1 Apparatus and process for the sorting of a pulp suspension
03/07/1995US5394600 Method for making a screen
03/02/1995WO1995006160A1 Apparatus for fractionating suspensions
03/02/1995WO1995006159A1 Method and pressure screen for screening fibre suspension
03/02/1995CA2169541A1 Apparatus for fractionating suspensions
02/1995
02/23/1995WO1995005248A1 Slotted screen for paper stock
02/21/1995US5390860 Method and apparatus for separating paper fiber and plastics from mixed waste materials and products obtained thereby
02/15/1995EP0638687A1 Screening device
02/09/1995WO1995004189A1 Method and apparatus for treating filler-containing metarial, such as recycled fibers
02/08/1995EP0637348A1 Apparatus for treating fiber suspension.
02/07/1995US5387340 Wire filter element and method of manufacture
02/07/1995CA2129593A1 Sorter
02/02/1995WO1995003111A1 Sieve
02/01/1995EP0515492B1 An apparatus for filtering suspensions and a method of operating the apparatus
01/1995
01/31/1995US5385240 Screening apparatus with adjustable hydrofoil portion
01/24/1995US5384046 Screen element
01/18/1995CN2187626Y Big taper high-frequency pulp refining sand removing machine
01/17/1995US5381906 Paper stock cleaning and collecting apparatus
01/12/1995DE4322824A1 Device for conveying suspensions
01/10/1995CA2100187A1 Pressurized multi-stage screening device for fiber suspension
01/10/1995CA2072566C Wear screen plate and method of manufacture thereof
01/05/1995WO1995000702A1 Cellulose pulps having improved softness potential and method of making such pulps
12/1994
12/28/1994EP0631135A1 Method of detecting foreign matter in pulp suspension and device for detecting the same
12/21/1994EP0629738A1 Rotor for hydrodynamic pressure cleaning of paper pulp and apparatus using the rotor
12/14/1994CN2185282Y Three-functional adjustable machine for rough grinding and removing sand of paper pulp
12/08/1994DE4318644A1 Flexible container cover
12/07/1994EP0627264A1 Injector for flotation devices
12/01/1994DE4425740A1 Screen for paper stock suspensions
11/1994
11/30/1994CN2184010Y Pulp trash seperator with double-direction and double-function
11/17/1994EP0624684A1 Screening cylinder
11/15/1994CA2122191A1 Screening cylinder
11/10/1994WO1994025183A1 Screening apparatus with adjustable hydrofoil portion
11/09/1994EP0623056A1 Hydrocyclone plant.
11/09/1994EP0623046A1 Separation device and process.
11/04/1994CA2122803A1 Injector for a flotation device
11/02/1994CN2181526Y Screening apparatus
10/1994
10/27/1994WO1994024365A1 Means for filtering and fractionation of suspensions containing fibres, fibre fragments, fines and other particles
10/27/1994WO1994023848A1 Screening apparatus for papermaking pulp
10/27/1994WO1994023847A1 Screening means with a screening body, and method and device for manufacturing the screening body
10/27/1994CA2160538A1 Means for filtering and fractionation of suspensions containing fibres, fibre fragments, fines and other particles
10/25/1994US5358637 Apparatus for sorting and deflaking fibrous suspensions
10/19/1994EP0572386B1 Improved wear screen plate and method of manufacture thereof
10/12/1994EP0515530B1 Apparatus for filtering liquids
10/12/1994CN2179401Y Verticle centrifugal screener
10/09/1994CA2093728A1 Method and apparatus for simutaneously removing oversized particles from a fiber suspension and dewatering the fiber suspension
09/1994
09/21/1994EP0616072A1 Process for screening a fibrous suspension and apparatus for its application
09/21/1994EP0615469A1 Hydrocyclone with turbulence creating means.
09/21/1994CN2177743Y Vertical machine for removing sand, breakdown and milling of paper pulp
09/14/1994EP0479789B1 Method of and apparatus for treating pulp
09/14/1994CN2177038Y Pulp dissociation sand remover
09/14/1994CN2177037Y Vertical completely dissociation sand remover
09/13/1994CA1331956C Device for selectively separating particles in a liquid, in particular for the purification of papermaking suspensions
09/07/1994EP0613509A1 Method of manufacturing a screen product and a screen product manufactured by the method.
08/1994
08/30/1994US5341936 Screening device for a fiber slurry, and a backwash means therefor
08/24/1994EP0478762B1 Method and device for separating a fibre suspension
08/18/1994WO1994018387A1 Pressurized screen arrangement
08/18/1994CA2154256A1 Pressurized screen arrangement
08/16/1994US5338451 Apparatus for treating pulp
08/16/1994US5337899 Hydrocyclone plant
08/09/1994US5336411 Hydrocyclone assembly
08/04/1994WO1994017242A1 Process and apparatus for separating fibres from water
08/02/1994CA1331165C Apparatus for dividing a suspension of fibrous cellulose pulp
07/1994
07/27/1994EP0444051B1 Screening device
07/21/1994WO1994016141A1 Arrangement in a pressure screen for separating impurities from a fibre suspension fed into the screen
07/19/1994US5330646 Apparatus for filtering liquids
07/19/1994CA1330731C Method and a device for screening and treating pulp
07/05/1994US5326470 Non-compressive loading of a screen basket for a pulp pressure screening apparatus
06/1994
06/28/1994US5323914 Method of and apparatus for separating heavy impurities from fiber suspensions in connection with pumping
06/28/1994US5323913 Pressure screening apparatus with baffle
06/23/1994WO1994013880A1 Apparatus for filtering suspensions
06/22/1994EP0602161A1 A method of manufacturing a screening drum.
06/22/1994EP0602062A1 Process for separating gaseous components from pourable media and device and installation therefor.
06/14/1994US5319902 Mass tower and method of making the same
06/14/1994CA1330207C Reject screen
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