Patents
Sitemap › D21 - Paper-making; Production of cellulose › D21D - Treatment of the materials before passing to the paper-making machine › D21D 1 - Methods of beating or refining; Beaters of the hollander type
Patents for D21D 1 - Methods of beating or refining; Beaters of the hollander type (3,356)
04/2000
04/27/2000DE19847400A1 Apparatus for crushing and distributing particles to form a suspension includes a rotor whose stator side has an axial passage linked to an inlet passage and branches into several radial passages at its perimeter
04/25/2000US6053440 Tangential discharge disk refiner
04/19/2000CN2374571Y Horizontal high density hydraulic pulper
04/05/2000CN1249372A Technology and equipment for non-pollution paper making with dry pulp
03/2000
03/28/2000US6042036 Refining element
03/23/2000WO2000015900A1 Method and apparatus for washing fibre pulp mixture
03/23/2000CA2343957A1 Method and apparatus for washing fibre pulp mixture
03/15/2000EP0985068A1 Device for dehydrating and washing suspensions of fibrous material
03/08/2000EP0767706B1 Refining element
03/07/2000US6032888 Refiner plate with interspersed surface and subsurface dams
03/02/2000WO2000011264A1 Refiner plate with chicanes
03/02/2000WO2000010710A1 Refiner plate steam management system
02/2000
02/24/2000WO2000009288A1 Papermaking refiner plates and method of manufacture
02/23/2000CN2365245Y Double-disc pulp mill
02/15/2000US6024309 Method for guiding the beating in a refiner and arrangement for performing the method
02/15/2000US6024308 Wood pulp fibers; increase residence time; consistency
02/10/2000WO2000006302A1 Refiner disc having steam exhaust channel
01/2000
01/27/2000WO2000004232A1 Nits separator
01/13/2000WO2000001217A1 Holder for displaying, as well as a method for making, a floral bouquet
01/13/2000CA2300074A1 Holder for displaying, as well as a method for making, a floral bouquet
01/06/2000WO1999054045A8 Method and apparatus for processing pulp stock derived from a pulp or paper mill
12/1999
12/29/1999CN2356057Y Driving device for large volumn hydraulic pulper
12/15/1999EP0963479A1 Feeding element for fibrous material
12/15/1999EP0963251A1 Feeding device for fibrous material
12/08/1999EP0776248B1 Refining elements
12/02/1999WO1999061696A1 Low speed low intensity chip refining
12/01/1999EP0960234A1 Method and apparatus of defibrating a fibre-containing material
11/1999
11/30/1999CA2197455C Low-resident, high-temperature, high-speed chip refining
11/24/1999EP0958058A1 Refining element
11/24/1999EP0958057A1 A pair of co-operating refining elements intended for a disc refiner
11/24/1999EP0824373A4 Apparatus and method for particle comminution
11/23/1999US5988538 Refiner disc having steam exhaust channel
11/18/1999WO1999058991A1 Wet end control for papermaking machine
11/09/1999US5979809 Refiner disc removal method and device
11/07/1999CA2271615A1 Plate diffuser for treating comminuted cellulosic fibrous material
11/07/1999CA2271293A1 Plate diffuser for treating comminuted cellulosic fibrous material
11/04/1999DE19816621A1 Reducing tropical, hardwood cellulose using rotary blade refiner
11/02/1999US5975438 Refiner disc with curved refiner bars
11/01/1999CA2269980A1 Rotating disc wood chip refiner
10/1999
10/28/1999WO1999054046A1 Refiner disk segment
10/28/1999WO1999054045A1 Method and apparatus for processing pulp stock derived from a pulp or paper mill
10/28/1999CA2328205A1 Method and apparatus for processing pulp stock derived from a pulp or paper mill
10/14/1999WO1999052197A1 Integrated paper pulp and process machinery having integrated drive and control and methods of use thereof
10/14/1999CA2327613A1 Integrated paper pulp and process machinery having integrated drive and control and methods of use thereof
10/06/1999EP0946820A1 Method and device for conducting a process in the production of paper
10/06/1999EP0946815A1 Means and device for conducting a process in the production of fibrous material from wood
10/05/1999US5960500 Stock washer for washing, thickening and classifying solids
10/05/1999CA2022760C Process for the comminution of materials
09/1999
09/29/1999CN1229871A Raw material of industrial filter paper and prepn. method thereof
09/21/1999US5954283 Papermaking refiner plates
09/16/1999WO1999046050A1 Refiner disc removal method and device
09/16/1999CA2323886A1 Refiner disc removal method and device
09/15/1999CN2338366Y Pulp prodn. machine
09/14/1999US5950946 Pair of co-operating refining elements intended for a disc refiner
09/10/1999WO1999045204A1 Cotton linter tissue products and method for preparing same
09/07/1999US5947394 Paper pulp refiner control system and method
09/02/1999DE19808355A1 Paper fiber suspension grinding operation for papermaking fibers
08/1999
08/31/1999US5944271 For refining a stock slurry
08/18/1999EP0936306A1 Method and device for combining two suspension layers
08/10/1999US5934585 Refiner plate assembly and method of mounting
08/03/1999CA2194108C Double-disc refiner
07/1999
07/29/1999WO1999037402A1 Improvements to papermaking refiner plates
07/28/1999EP0931584A1 Apparatus for the mechanical handling of high consistency fibrous material
07/27/1999US5927002 Holder for displaying, as well as a method for making, a floral bouquet
07/13/1999US5921486 Papermaking refiner plates
06/1999
06/23/1999CN2325412Y Adjustable pulp refining machine
06/16/1999EP0922495A1 Method for producing components for the mechanical processing of suspended fibre material as well as the produced components
06/09/1999CN2323001Y Spiral mesh-belt pulp dresser
06/03/1999WO1999026725A1 Refining elements
06/02/1999EP0919662A2 Refining pulp
05/1999
05/18/1999US5904308 Device and treatment machine for the mechanical treatment of high-consistency fibrous material
05/12/1999EP0662170B1 Liquid removal apparatus and method for wood pulp
05/06/1999EP0912789A2 Stock washer for washing, thickening and classifying solids
04/1999
04/22/1999WO1999019070A1 Paper pulp refiner control system and method
04/21/1999CN1214389A Method of treating papermaking fibers for making tissue
04/14/1999EP0907416A1 Method for guiding the beating in a refiner and arrangement for performing the method
04/13/1999US5893525 Refiner plate with variable pitch
03/1999
03/31/1999CN2312238Y Pulp saving type taper shaped slag removing apparatus
03/25/1999WO1999013989A1 A refining disc for disc refiners
03/25/1999CA2302649A1 A refining disc for disc refiners
03/03/1999EP0899375A2 High consistency damless refiner plate for wood fibers
03/02/1999US5875982 Refiner having center ring with replaceable vanes
02/1999
02/24/1999CN1042245C Method for mfg. thin tissue paper
02/18/1999WO1999007935A1 Method of pretreating lignocellulose fiber-containing material for the pulp making process
02/16/1999CA2185001C Refiner disk with alternating depth grooves
02/10/1999EP0788407B1 System for continuously measuring pressure and temperature in the beating zone of refiners
02/09/1999US5868330 Refiner disc with localized surface roughness
01/1999
01/26/1999US5863000 Refiner plate with steam relief pockets
01/21/1999WO1999002772A1 Kraft paper and method for making the same
01/21/1999CA2295075A1 Kraft paper and method for making the same
01/12/1999USRE36033 Treatment of fibers
01/06/1999CN1203985A Method for making packing paper by using waste residue produced in production of furfural or xylitol
12/1998
12/23/1998EP0886001A1 Process and apparatus to disperse a paper fibers slurry
12/16/1998CN1201851A Cotton pulp and other coarse pulp clean production
12/08/1998CA2156970C Extended outer ring for refiner plate
12/03/1998WO1998054401A1 Device for dehydrating and washing suspensions of fibrous material
12/02/1998EP0721526B1 Method and apparatus for dewatering of a fibre suspension
12/01/1998US5842242 Method for increasing the consistency of pulp using a single roll displacment wash press
11/1998
11/24/1998US5839142 Stock washer for washing, thickening and classifying solids
11/24/1998CA2117567C Vented refiner and venting process
1 ... 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 ... 34