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)
03/1986
03/26/1986EP0175634A2 Rigid link multiple disk refiner
03/13/1986WO1986001434A1 Combined hydrostatic/hydrodynamic bearing system for grinding apparatus
03/05/1986EP0172817A1 Device at refiners for lignocellulose-containing material
02/1986
02/18/1986US4570862 Flexible disk refiner and method
02/18/1986CA1200805A1 Process and an apparatus for separating cellulose flocks from their covers in sanitary articles of cellulose
01/1986
01/30/1986WO1986000546A1 Method at the manufacture of refiner segments
01/22/1986EP0168398A1 Method and apparatus for manufacturing fiber pulp
12/1985
12/17/1985US4558477 Process for washing fibre stock
12/11/1985EP0163650A1 Method and apparatus for manufacturing fibre pulp
12/10/1985US4557120 Apparatus for washing fibre stock
12/03/1985US4556494 Simplified construction, withdrawal screens, fluid introductory structures
11/1985
11/26/1985US4555254 Pressurized process for pulping systems
11/19/1985US4554051 Papermaking
10/1985
10/23/1985EP0158637A1 Device at refiner members
10/10/1985WO1985004433A1 Method and apparatus for processing material suspensions
10/10/1985WO1985004431A1 Method and apparatus for refining lignocellulose-containing material
09/1985
09/17/1985US4541571 Method of controlling a grinding process in a pocket grinder
08/1985
08/29/1985WO1985003730A1 Apparatus for thickening and refining fibre-pulp suspensions
08/20/1985CA1192072A1 High bulk pulp, filter media utilizing such pulp, related processes
08/06/1985US4533148 Sealing ring assembly for use in pulp refining equipment
07/1985
07/30/1985US4531681 Flexible disk refiner and method
07/30/1985CA1191043A1 Refiner disc segment
07/16/1985US4529137 Multiple disk refiner for low consistency refining of mechanical pulp
07/09/1985CA1190078A1 Cut and mill fiberizer
07/02/1985CA1258241B Load carrier
07/02/1985CA1189804A1 Load carrier
06/1985
06/26/1985EP0146515A1 Apparatus for treating cellulose pulp
06/25/1985CA1189456A1 Filter cleaning apparatus
06/12/1985EP0144302A1 Apparatus for treating cellulose pulp
06/12/1985EP0144301A1 Apparatus for treating cellulose pulp
06/11/1985US4522716 Separating wood pulp from wood slurry
04/1985
04/10/1985EP0136963A2 Composite flexible pulp refiner disk and method of making same
04/09/1985USRE31862 Apparatus for the treatment of lignocellulosic material
04/03/1985EP0135556A1 A hammer mill and a method for operating the same
03/1985
03/12/1985CA1183711A1 Pulping apparatus including improved rotor
02/1985
02/19/1985US4500040 Method and apparatus for separating the components of cellulose sanitary articles
02/05/1985US4498137 Programmable refiner controller with horsepower-days per ton scaling
02/05/1985CA1181908A1 Treatment for improving saturability in normal saturating furnish
01/1985
01/17/1985WO1985000120A1 Method and apparatus for making pulp
01/16/1985EP0131532A2 Flexible disk refiner and method of reducing particulate material
01/15/1985CA1180925A1 Recovery of papermaking fibres from wet strength paper
12/1984
12/27/1984EP0129412A2 Co-refining of aramid fibrids and floc
11/1984
11/06/1984US4480796 Pulping apparatus including improved rotor
10/1984
10/31/1984EP0122991A2 Apparatus and method for pulping paper making stock at high consistencies
10/25/1984WO1984004113A1 Method and apparatus for making fibre pulp
10/25/1984WO1984004057A1 Device at refiners for lignocellulose-containing material
10/24/1984EP0122868A2 A multiple disk refiner for refining low-consistency papermaking stock
10/23/1984US4478156 Nestable load carrier
09/1984
09/18/1984US4472241 Co-refining of aramid fibrids and floc
09/13/1984WO1984003526A1 Method and apparatus for manufacturing fiber pulp
09/13/1984WO1984003454A1 A hammer mill and a method for operating the same
09/05/1984EP0117716A2 Apparatus for pulping paper, and a rotor therefor
09/04/1984CA1173604A1 Production of chemimechanical pulp
08/1984
08/30/1984WO1984003313A1 Method and apparatus for manufacturing fibre pulp
08/28/1984CA1173235A1 Apparatus and method for monitoring and controlling a refiner gap
07/1984
07/18/1984EP0113353A1 Method and apparatus for producing fibre pulp from fibrous lignocellulose containing material.
07/18/1984EP0034602B1 Apparatus for controlling the refining of pulp
07/17/1984CA1170966A1 Reinforced structures
07/03/1984US4457804 Apparatus for producing fiber pulp from fibrous lignocellulose containing material
06/1984
06/26/1984US4456183 Fiberizer for stock suspensions for fabricating paper
06/21/1984WO1984002285A1 Device at refiner members
06/19/1984US4455237 High bulk pulp, filter media utilizing such pulp, related processes
06/19/1984US4455195 Fibrous filter media and process for producing same
06/19/1984US4454991 Apparatus and method for monitoring and controlling a disc refiner gap
04/1984
04/03/1984CA1164704A1 Method for improving the washing of cellulose pulps
03/1984
03/27/1984CA1164554A1 Methods of and/or apparatus for detecting and controlling refiner plate clashing
03/06/1984US4435122 Method and apparatus for pumping fiber suspensions
02/1984
02/14/1984US4431482 Dispersion apparatus for the preparation of waste paper
01/1984
01/31/1984US4428538 Grinding disc for disc refiners
01/31/1984CA1161397A1 Specific surface fractionator
01/31/1984CA1161290A1 Roller type system, process and apparatus for pulp refining
01/11/1984EP0097716A1 High bulk pulp, filter media utilizing such pulp, related processes.
12/1983
12/20/1983CA1158905A1 Method and apparatus for the treatment of a cellulose- containing material
12/20/1983CA1158904A1 Method and means for use in the manufacture of fibre pulp
12/06/1983CA1158088A1 Method and apparatus for grinding pulp stock in pulp defibrating apparatus of the double rotating disc type
11/1983
11/15/1983CA1156864A1 Processing of groundwood pulp to remove coarse particulate lignocellulosic material and apparatus
11/02/1983EP0092678A2 Fiber length indicating apparatus and methods
10/1983
10/26/1983EP0091982A2 Process and apparatus for separating cellulose flocks and their covers in cellulosic hygienic articles
10/18/1983US4409853 Pulp sampling system
09/1983
09/21/1983EP0089106A2 Cut and mill fiberizer
09/20/1983US4405395 Tire breaker fabric formed from cord laid in zig-zag fashion
09/13/1983CA1153601A1 Disk refiner
09/06/1983US4402463 Grinding apparatus for a suspension of fibres for paper manufacturing
08/1983
08/31/1983EP0086933A2 Method of regulating the consistency in a pulper
08/30/1983US4401280 Disc-type pulp refining apparatus
08/18/1983WO1983002788A1 Method and apparatus for producing fibre pulp from fibrous lignocellulose containing material
08/02/1983US4396161 Disk refiner
07/1983
07/26/1983US4395047 Shaft seal with seal impeller for materials processing machinery
07/21/1983WO1983002469A1 High bulk pulp, filter media utilizing such pulp, related processes
07/19/1983US4393983 Intermeshing screw-type refiner
06/1983
06/21/1983US4388938 Filter cleaning apparatus
06/14/1983US4387856 Controlling separation of reject stock suspensions by measuring rotational resistance of the defibering rotor
06/07/1983US4386519 Specific surface fractionator
05/1983
05/10/1983CA1145987A1 Apparatus for controlling the refining of fibrous pulp grist in a drum refiner
04/1983
04/26/1983CA1145178A1 Process and apparatus for washing fibre stock
03/1983
03/29/1983US4378092 Method and apparatus for grinding pulp stock in pulp defibrating apparatus of the double rotating disc type
03/22/1983CA1143298A1 Vapour separating method and apparatus
03/22/1983CA1143200A1 Method for operating an installation for processing waste paper and installation for the performance of the aforesaid method
02/1983
02/22/1983CA1141758A1 Microfibrillated cellulose
02/01/1983CA1140537A1 Flow mixer with multi-elbowed inlet diffuser
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