| Patents for D21F 1 - Wet end of machines for making continuous webs of paper (14,078) |
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| 12/30/1986 | CA1215873A1 Pulp agitating device having multiple protruding inserts |
| 12/16/1986 | US4628618 Apparatus in a drying section of a paper machine |
| 12/10/1986 | CN85104451A Positive lock foil blades |
| 12/02/1986 | US4626318 Method of controlling a pulp refiner by measuring freeness and removing the latency from the pulp |
| 12/02/1986 | US4625376 Press roll for web material with clamped press jacket |
| 11/26/1986 | EP0202223A1 Apparatus for thickening and refining fibre-pulp suspensions. |
| 11/25/1986 | CA1214579A1 Apparatus for removal by flotation of solid particles from liquid |
| 11/18/1986 | US4622758 Method of and a device for drying a paper web or the like |
| 11/11/1986 | US4621663 Cloth particularly for paper-manufacture machine |
| 11/05/1986 | EP0200658A1 Heating cylinder for products such as films, foils, slabs or the like |
| 11/05/1986 | CN85108792A Electromagnetic extended nip press |
| 11/05/1986 | CN85103870A Headbox trailing element |
| 11/05/1986 | CN85103833A Top wire former |
| 11/04/1986 | US4620926 Flotation apparatus for flotation of fibrous stock suspension recovered from waste paper |
| 11/04/1986 | US4620899 Breast box nozzle for a paper machine |
| 10/29/1986 | CN85103315A Headbox tratling element |
| 10/28/1986 | US4619737 Roller for machines in the paper-making industry |
| 10/23/1986 | WO1986006117A1 Scraping strip for a paper machine |
| 10/22/1986 | EP0198773A1 Apparatus for making a wet press felt or paper screen cloth endless |
| 10/22/1986 | EP0198737A1 Apparatus for the decontamination of paper pulp |
| 10/22/1986 | CN85103252A Method and apparatus for controlling the consistency of a pulp suspension |
| 10/22/1986 | CN85103241A Slice lip adjustment |
| 10/15/1986 | EP0197731A2 Apparatus and method for thickening pulp and paper stock |
| 10/14/1986 | US4617091 Papermaking |
| 10/14/1986 | CA1212565A1 Low bulk seam for monofilament papermakers equipment fabrics |
| 10/08/1986 | EP0196686A1 Apparatus for joining sheet ends for the formation of a continuous web |
| 10/01/1986 | EP0196045A2 Wet press papermakers felt and method of fabrication |
| 10/01/1986 | EP0196040A2 Spiral fabric having a reduced permeability, and method for making the same |
| 10/01/1986 | EP0195835A1 Endless screen cloth for paper machines or the like |
| 10/01/1986 | EP0195807A1 Headbox system for a paper machine. |
| 09/30/1986 | US4614566 Web-forming section in a paper machine |
| 09/23/1986 | US4613406 Method of measuring drainage rate |
| 09/23/1986 | CA1211651A1 Dehydration machine for pulp, sludges or similar fibrous materials |
| 09/23/1986 | CA1211626A1 Method and apparatus for drying a paper or similar web |
| 09/16/1986 | US4611639 Forming fabric of double-layer type |
| 09/12/1986 | WO1986005220A1 Method for producing patterns on a fiber felting screen |
| 09/12/1986 | WO1986005219A1 A flat structure permeable to liquid, and a method for manufacturing such a structure |
| 09/10/1986 | EP0193750A2 Apparatus to unravel threads from a tissue |
| 09/09/1986 | US4610097 Device for threading a transfer strip of a paper web through the drying cylinder section of a paper machine |
| 09/03/1986 | EP0193075A1 Process for making a multi-layer dewatering band endless, particularly a papermaker's wet-felt |
| 09/03/1986 | CN85205090U Electrically controlled evener unit of cylinder machine |
| 08/20/1986 | EP0191231A1 Clothing fabrics for papermaking machines |
| 08/19/1986 | US4606792 Endless sieve band or composite band for paper machines |
| 08/13/1986 | EP0190732A1 Helical link belt with a decreased air permeability |
| 08/13/1986 | EP0190590A1 Forming screen having reinforced edges |
| 08/13/1986 | EP0190589A1 Spiral fabric having protected margins |
| 08/12/1986 | US4605585 Forming fabric |
| 08/12/1986 | US4605472 Drive assembly for cleaner for wire-screen or felt-blanket belt of papermaking apparatus |
| 08/05/1986 | US4604164 Defining plurality of flow paths |
| 08/05/1986 | CA1208955A1 Web-forming section of a paper machine intended for modernization of a fourdrinier wire part |
| 07/31/1986 | WO1986004369A1 Method and apparatus for dividing and uniting the flows of high-consistency fibre suspensions |
| 07/31/1986 | WO1986004368A1 Procedure and means for improving the papermaking process on a fourdrinier wire section |
| 07/30/1986 | EP0189311A1 Process for controlling the formation of a sheet material |
| 07/30/1986 | EP0188932A1 Process and apparatus for removing a liquid from a material obtained, in particular by a paper-making process |
| 07/29/1986 | US4602439 Method and apparatus for supporting a web in high-speed paper machines |
| 07/23/1986 | EP0188399A1 Electromagnetic extended nip press |
| 07/23/1986 | EP0187967A2 Papermakers wet-press felt and method of manufacture |
| 07/23/1986 | EP0187909A1 Process and apparatus for eliminating impurities from a waste paper suspension |
| 07/22/1986 | US4601942 Laminated soft faced-spiral woven papermakers fabric |
| 07/22/1986 | US4601785 Felt comprising a loop seam for use in the press section of papermaking machines and a method of manufacturing such felts |
| 07/15/1986 | US4599881 Method and arrangement for winding and forming helixes of elastic plastic or metal wire |
| 07/09/1986 | EP0186900A2 Multilayered press felt |
| 07/08/1986 | US4599139 Relatively low molecular weight, acid slurry |
| 07/08/1986 | US4598849 Web guiding and decurling apparatus |
| 07/02/1986 | EP0186406A2 Papermakers fabric having a tight bottom weft geometry |
| 07/02/1986 | EP0185907A2 Process for making a hinge seam for connecting the ends of a woven band together, and apparatus for carrying it out |
| 07/01/1986 | US4598238 Electro-mechanical shower oscillator for papermaking machine |
| 06/25/1986 | EP0185177A1 Composite web for a paper-making machine sieve |
| 06/25/1986 | EP0185108A1 Coated press belts for use in an extended nip press |
| 06/24/1986 | US4596631 Method of removing latency from medium consistency pulps by pumping the pulp |
| 06/18/1986 | CN85203758U Remote-controlling device for pulp regulating box valve |
| 06/10/1986 | US4594152 Screening pulp |
| 06/10/1986 | CA1205832A1 Spreader roll |
| 06/03/1986 | US4592396 Multi-layer clothing for papermaking machines |
| 06/03/1986 | US4592395 Papermachine clothing in a fabric weave having no axis of symmetry in the length direction |
| 06/03/1986 | CA1205310A1 Method and apparatus for web forming |
| 05/28/1986 | EP0182597A1 Pin seamed fabric |
| 05/22/1986 | WO1986002961A1 Twin-wire former |
| 05/20/1986 | CA1204614A1 Flow rectifier |
| 05/14/1986 | EP0181068A2 Halogen release biocide |
| 05/13/1986 | US4588632 Industrial fabrics |
| 05/13/1986 | CA1204256A1 Process and apparatus for manufacture of high bulk paper |
| 05/06/1986 | CA1204013A1 Variable crown roller for paper making machines |
| 04/30/1986 | EP0179730A1 Heated variable crown roll |
| 04/30/1986 | EP0179658A2 Surge control system |
| 04/29/1986 | CA1203706A1 Supporting beam for a foil in a paper machine, in particular for a single blade foil |
| 04/22/1986 | US4584059 Belt press unit, preferably as wet press of a paper machine |
| 04/22/1986 | US4584058 Method and apparatus for dewatering a fibrous web |
| 04/22/1986 | US4583302 Helical dryer belt with profiled permeability |
| 04/22/1986 | CA1203599A1 Fiber length indicating apparatus and method |
| 04/16/1986 | EP0178271A1 Apparatus for liquid treatment of pulp |
| 04/15/1986 | US4582666 Tea bags and spice bags |
| 04/15/1986 | US4581794 Automatic seaming machine for fabric belts |
| 04/10/1986 | CN85106863A Heated variable crown roll |
| 04/09/1986 | EP0177439A2 Paper web forming apparatus |
| 04/09/1986 | EP0176610A1 Roll for machines for the paper industry or the like |
| 04/09/1986 | EP0109396B1 Screen plate, screw press or the like for treatment of a suspension |
| 04/08/1986 | CA1202806A1 Operation of a high speed paper making machine |
| 04/01/1986 | US4579771 Laminated spiral mesh papermakers fabric |
| 03/27/1986 | WO1986001844A1 Headbox system for a paper machine, and process for its operation |