| Patents for D21F 1 - Wet end of machines for making continuous webs of paper (14,078) |
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| 01/24/1984 | US4426795 For use as a paper machine dryer felt |
| 01/24/1984 | CA1160962A1 Sand trap for liquids used in the manufacture of cellulosic pulp |
| 01/18/1984 | EP0098612A2 Press felt |
| 01/18/1984 | EP0098502A2 Belt for use in wet presses of paper machines |
| 01/17/1984 | US4426257 Damping system for a paper machine headbox |
| 01/17/1984 | CA1160492A1 Crescent former cross deckle lip adjustment |
| 01/17/1984 | CA1160491A1 Headbox for a papermaking machine |
| 01/17/1984 | CA1160446A1 Dryer drum siphon |
| 01/11/1984 | EP0098148A2 Process for manufacture of high bulk paper |
| 01/11/1984 | EP0097966A2 Compound tissue for paper machines |
| 01/10/1984 | US4425392 Needle punched papermaking felt and method of manufacturing the same |
| 01/10/1984 | US4425189 Dehydrating blade for paper machine |
| 01/10/1984 | US4425188 Forming shoes for the twin-wire former of a paper making machine |
| 01/03/1984 | US4423755 Papermakers' fabric |
| 01/03/1984 | US4423543 Method for the production of a link-belt |
| 12/28/1983 | EP0096952A2 Froth flotation apparatus and method |
| 12/27/1983 | CA1159321A1 Combined size press and breaker stack and method |
| 12/27/1983 | CA1159293A1 Two-ply screen for the sheet forming zone of a papermaking machine |
| 12/27/1983 | CA1159292A1 Slice lip adjustment device |
| 12/27/1983 | CA1159291A1 Head box in a paper machine |
| 12/20/1983 | US4421819 Wear resistant paper machine fabric |
| 12/20/1983 | CA1158903A1 Needle punched papermaking felt and method of manufacturing the same |
| 12/20/1983 | CA1158902A1 Woven pin seam in fabric and method |
| 12/13/1983 | US4420529 Anti-static dryer fabrics |
| 12/13/1983 | US4420371 Energy absorbers for vibrating headboxes |
| 12/13/1983 | US4420370 Pulp agitating device and method having multiple protruding inserts |
| 11/29/1983 | US4417950 Papermaking machine containing two movable water pervious dewatering bands |
| 11/29/1983 | CA1157697A1 Lip adjustment device |
| 11/23/1983 | EP0094638A2 Link belt and method of making the same |
| 11/22/1983 | US4416731 Apparatus for controlling the position and location of a stationary device of a paper machine which acts on a paper web being manufactured therein |
| 11/22/1983 | US4416730 Wire end section of a paper making machine |
| 11/22/1983 | US4416070 Air-directing device for multiple cylinder dryer of paper machine |
| 11/22/1983 | CA1157304A1 Method and apparatus for controlling a product which is influenced by a metering process |
| 11/22/1983 | CA1157303A1 Headbox for a paper machine |
| 11/22/1983 | CA1157302A1 Twin-wire web forming section |
| 11/16/1983 | EP0094061A2 Apparatus for dissolution of pulp |
| 11/15/1983 | US4415625 Spiral linkage belt and method of making same |
| 11/15/1983 | US4415408 Apparatus, and method for controlling consistency |
| 11/15/1983 | CA1156863A1 Use of anisotropic rubber for venta-nip rolls |
| 11/10/1983 | WO1983003858A1 Dry paper machine |
| 11/08/1983 | US4414263 Press felt |
| 11/08/1983 | US4414062 Headbox of a paper machine |
| 11/08/1983 | US4414061 Twin wire paper forming apparatus |
| 11/08/1983 | CA1156440A1 Machine for fabricating building boards |
| 11/02/1983 | EP0093096A2 A forming fabric |
| 11/02/1983 | EP0092678A2 Fiber length indicating apparatus and methods |
| 11/01/1983 | CA1156327A1 Extended low frequency range pulsation attenuator |
| 11/01/1983 | CA1156081A1 Endless forming fabrics with bi-crimp characteristics |
| 11/01/1983 | CA1156080A1 Papermaking machine containing two movable water pervious dewatering bands, for instance sieves |
| 10/25/1983 | CA1155695A1 Apparatus for reprocessing old paper |
| 10/18/1983 | US4410015 Method and apparatus for producing an interwoven seam interconnecting two woven web portions |
| 10/18/1983 | US4409853 Pulp sampling system |
| 10/18/1983 | CA1155370A1 Dryer fabric and method of making it |
| 10/13/1983 | WO1983003369A1 Cyclon purification plant |
| 10/05/1983 | EP0090234A2 Injector for a flotation apparatus |
| 10/04/1983 | US4407698 Apparatus for regulating fiber concentration |
| 10/04/1983 | US4407330 Pressure pulse absorbing device |
| 10/04/1983 | CA1154563A1 Papermaking and products made thereby |
| 09/27/1983 | US4406741 Adjustable headbox for a paper machine |
| 09/27/1983 | US4406740 Apparatus for effecting the fine-adjustment of the lip of a head-box of a paper making machine |
| 09/27/1983 | US4406739 Dewatering and detaching a paper web |
| 09/21/1983 | EP0088859A2 A drum having a side carrying wall of a latticed structure for machines for the manufacture of paper, paper-board, asbestos cement or the like |
| 09/20/1983 | CA1153962A1 Apparatus for treatment of suspensions in movement |
| 09/20/1983 | CA1153922A1 Extended nip press |
| 09/15/1983 | WO1983003109A1 Web-forming section of a paper machine |
| 09/13/1983 | US4403632 Corrugator belt with high air permeability |
| 09/06/1983 | CA1153275A1 Hydrophobic silica or silicate, compositions for containing the same, and methods for making and using the same |
| 09/06/1983 | CA1153165A1 Method for recovery of wastewater residues |
| 08/30/1983 | US4401147 Portable instrument for measuring the permeability of a papermaker's felt |
| 08/30/1983 | US4401137 Forming fabric seam and method of producing |
| 08/30/1983 | CA1152932A1 Conveying and like structures |
| 08/23/1983 | US4400238 Apparatus for stretching an endless web |
| 08/16/1983 | US4399028 Froth flotation apparatus and method |
| 08/16/1983 | US4398996 Papermaking |
| 08/16/1983 | CA1151981A1 Low density multilayer papermaking fabric |
| 08/16/1983 | CA1151925A1 Papermaking apparatus and method |
| 08/10/1983 | EP0085363A1 A papermakers' fabric |
| 08/02/1983 | US4396509 Device for extraction of liquid from suspensions in movement |
| 08/02/1983 | CA1150913A1 Use of polyalkylene oxides for the separation of cellulose fibres |
| 07/26/1983 | US4395308 Spiral fabric papermakers felt and method of making |
| 07/26/1983 | US4395038 Telescoping air jets for piling |
| 07/26/1983 | US4394793 Roll for use in calenders or the like |
| 07/26/1983 | CA1150872A1 Water-soluble mixtures of quaternary ammonium polymers, nonionic and/or cationic addition polymers, and nonionic and/or cationic surfactants |
| 07/26/1983 | CA1150550A1 Slice lip |
| 07/19/1983 | US4394413 Flame retardant dryer fabrics |
| 07/12/1983 | US4392902 Method for producing a sieve belt of thermosettable synthetic resin helices for a papermaking machine |
| 07/07/1983 | WO1983002294A1 Procedure for clarifying liquid suspensions, particularly those produced in processes of the wood-processing industry |
| 07/07/1983 | WO1983002293A1 Method and plant for deaerating fibre suspensions |
| 07/07/1983 | WO1983002292A1 Screen plate, screw press or the like for treatment of a suspension |
| 07/05/1983 | US4391673 Basementless separator system |
| 07/05/1983 | US4391672 Acoustic vibration cleaning |
| 06/28/1983 | US4390445 Aluminium chloride composition and a method for its manufacture |
| 06/28/1983 | US4390433 Dewatering system with water deckle |
| 06/28/1983 | US4390036 Rolling diaphragm vacuum control |
| 06/28/1983 | CA1148735A1 Press-drying a cellulosic web |
| 06/14/1983 | US4388150 Complexing cationic starch and colloidal silica |
| 06/14/1983 | CA1148095A1 Screening device for extraction of liquid from suspensions in movement |
| 06/14/1983 | CA1148003A1 Dryer felt fabric |
| 06/14/1983 | CA1148001A1 Paper making machine foil having low disturbance profile and self sharpening tip |
| 06/08/1983 | EP0080713A2 Link belt and method of making the same |