| Patents for D21F 1 - Wet end of machines for making continuous webs of paper (14,078) |
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| 05/10/1988 | CA1236323A1 Means in the vat section of a vat machine |
| 05/03/1988 | US4741376 Manufacturing of kraft paper |
| 05/03/1988 | US4741079 Roll with a rotating shell |
| 05/03/1988 | CA1235932A2 Belt |
| 04/28/1988 | DE3634903A1 Flotation device |
| 04/27/1988 | EP0264881A1 Fabric for the wet end of a paper-making machine |
| 04/27/1988 | EP0264799A2 A means in the vat section of a vat machine |
| 04/27/1988 | CN87212904U Cover plates of sucbion box |
| 04/26/1988 | US4740409 Nonwoven fabric and method of manufacture |
| 04/26/1988 | US4739803 Fabric for the sheet forming section of a papermaking machine |
| 04/21/1988 | WO1988002797A1 Double layer paper-making cloth with coarse backing and fine paper side |
| 04/20/1988 | EP0264001A1 Double layer fabric for a paper making machine having a coarse wear side structure and a fine sheet surface structure |
| 04/19/1988 | US4738752 Press member and blanket means |
| 04/19/1988 | US4738751 Wedge shaped support bars to cause edge to curl |
| 04/13/1988 | EP0263527A1 Fabric for the wet end of a paper-making machine, with additional cross-machine floating strands having a larger harness |
| 04/13/1988 | EP0263482A1 Fabric for the wet end of a paper-making machine |
| 04/13/1988 | EP0263334A2 Roller arrangement for the non-deformable treatment of moving sheet material |
| 04/12/1988 | US4736499 Equipment for unraveling threads from a fabric |
| 04/12/1988 | CA1235249A1 Aluminum silicate filled abrasion-resistant polyamide monofilament |
| 04/12/1988 | CA1235012A1 Extended nip press |
| 04/12/1988 | CA1235011A1 Headbox trailing element |
| 04/12/1988 | CA1235010A1 Water-removal element for the wet stage of a paper- making machine |
| 04/06/1988 | EP0262467A1 Machine cloth, in particular a paper-making felt or screen |
| 04/05/1988 | US4735687 Control apparatus, sensors, counter-vibration impulse generator |
| 04/05/1988 | US4735073 Pressure and heat treatment roll |
| 03/30/1988 | EP0261488A1 Paper-making felt and process for making the same |
| 03/30/1988 | EP0261146A1 Filter device |
| 03/30/1988 | CN87208276U Equipment for continually retrieving paper pulp from waste liquid in process of papermaking |
| 03/30/1988 | CN87102985A Fibre-labyrinth forming device for paper machine |
| 03/30/1988 | CN87102984A Horizontally arranged multiple fourdrinier paper machine |
| 03/29/1988 | US4734164 From dilute slurry of fibers |
| 03/22/1988 | CA1234308A1 Forming roll apparatus |
| 03/22/1988 | CA1234306A1 Wet press for dewatering a material web |
| 03/15/1988 | US4731281 Coating filaments prior to weaving prevents sticking |
| 03/15/1988 | US4731163 Profile bar in a head box of paper machine |
| 03/15/1988 | CA1233981A1 Dryer felt run |
| 03/09/1988 | EP0259294A1 Double-layer cloth for a paper making machine |
| 03/09/1988 | EP0258918A1 Method to dewater pulp for paper with simultaneous formation of sheet in a two-wire system, and apparatus which employs such method |
| 03/09/1988 | EP0258360A1 Method for measuring the properties of a composition consisting of a liquid and solid particles and apparatus used in the method |
| 03/08/1988 | US4729837 For pulp |
| 03/08/1988 | US4729412 Forming fabric of double-layer type |
| 03/03/1988 | DE3628699A1 Stoffauflauf Headbox |
| 03/02/1988 | EP0258169A1 A press apparatus |
| 03/02/1988 | CN87105652A Method of and means for hydrodynamic mixing |
| 03/01/1988 | US4728530 Method for mending damaged areas in papermachine fabrics |
| 03/01/1988 | CA1233537A1 Orientation line in an endless travelling web |
| 02/25/1988 | WO1988001318A1 Headbox |
| 02/24/1988 | EP0256965A2 Method of and means for hydrodynamic mixing |
| 02/24/1988 | EP0256009A1 Scraping strip for a paper machine. |
| 02/24/1988 | CN87105615A Press apparatus |
| 02/23/1988 | US4726897 Flotation container or cell |
| 02/23/1988 | US4726883 Apparatus for selectively moving the slice lip of a headbox |
| 02/23/1988 | CA1233052A1 Method and apparatus for press treatment of a fibre web, particularly a paper or cardboard web |
| 02/09/1988 | US4724047 Horizontal twin wire machine |
| 02/03/1988 | EP0254819A1 Hydraulic support element for a press |
| 02/02/1988 | US4722793 Pair of rolls with wire loop traveling around both |
| 02/02/1988 | US4722784 Fiber suspensions; contaminants in froth on surface carried off |
| 01/27/1988 | EP0254666A1 An apparatus for assisting the transfer of a web to a drying section |
| 01/27/1988 | EP0254665A1 A web transfer apparatus |
| 01/27/1988 | CN87104976A Web transfer apparatus |
| 01/27/1988 | CN87104946A Apparatus for assisting the thansfer of web to drying section |
| 01/26/1988 | US4721562 Aerating apparatus |
| 01/20/1988 | EP0253605A2 Shower pipes |
| 01/20/1988 | EP0253508A2 A stationary couch device for a papermaking machine |
| 01/19/1988 | US4719706 Apparatus for changing the moisture content of running webs of textile material or the like |
| 01/19/1988 | CA1231574A1 Seaming means and a tool for forming the seam |
| 01/14/1988 | WO1988000259A1 Method of treatment of the circulation water of a paper mill |
| 01/13/1988 | CN87104665A Web forming apparatus |
| 01/12/1988 | US4719139 Conveyor belt for papermaking |
| 01/12/1988 | US4718983 Forming board structure having an adjustable leading forming board strip |
| 01/12/1988 | US4718177 Device for condensate removal from a steam-heated drying cylinder |
| 01/07/1988 | EP0251985A2 Web forming apparatus |
| 01/07/1988 | EP0251873A1 Open felt for the wet end |
| 01/07/1988 | EP0251787A1 Apparatus and method for thickening pulp and paper stock |
| 01/07/1988 | EP0251779A1 Support apparatus for a dewatering unit in the web-forming section of a paper making machine |
| 01/07/1988 | EP0251778A1 Method and apparatus for removing water from a fibrous web in a papermachine |
| 01/07/1988 | EP0251673A1 Process for making wet-laid structures containing individualized, stiffened fibers |
| 01/07/1988 | EP0250421A1 A flat structure permeable to liquid, and a method for manufacturing such a structure. |
| 01/05/1988 | US4717453 Dewatering; papermaking |
| 01/05/1988 | US4717338 Heater drum for manufacturing process |
| 01/05/1988 | US4717267 Arrangement in an adjustable roller bearing for lateral guidance of running webs |
| 01/05/1988 | US4716660 Unifelt air suction system |
| 01/05/1988 | US4716637 Spreader roll |
| 01/05/1988 | CA1230967A1 Drying and runnability for high speed paper machines |
| 12/29/1987 | US4715931 Hydroxylated dicarboxylic acid |
| 12/29/1987 | CA1230800A1 In-line pintle loop seam |
| 12/22/1987 | US4714522 High speed paper machine |
| 12/22/1987 | US4714521 Twin wire former with an impermeable belt inside the top wire |
| 12/22/1987 | CA1230511A1 Papermakers fabric of non woven layers in a laminated construction |
| 12/17/1987 | WO1987007664A1 A method and an arrangement for joining the ends of a band-shaped product |
| 12/17/1987 | WO1987007663A1 Fixation device |
| 12/16/1987 | CN87102975A Disc screen improvement for chip screen efficiency |
| 12/15/1987 | CA1230304A1 Link belts |
| 12/15/1987 | CA1230251A1 Converflo trailing element |
| 12/10/1987 | DE3717532A1 Anordnung zur befestigung einer vielzahl von keramischen formstuecken an einem langgestreckten substrat Arrangement for attaching a plurality of ceramic formstuecken on an elongate substrate |
| 12/09/1987 | EP0248738A1 Sleeved rolling-mill roll |
| 12/09/1987 | EP0248186A2 Cylinder mould |
| 12/09/1987 | EP0248007A1 Method and apparatus for dividing and uniting the flows of high-consistency fibre suspensions. |
| 12/08/1987 | US4711291 A method for making a roll for processing a web or strip of material |
| 12/02/1987 | CN87103157A Web forming apparatus |