| Patents for D21F 1 - Wet end of machines for making continuous webs of paper (14,078) |
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| 03/26/1986 | EP0174945A1 A method for controlling shrinkage and/or stretching of a paper web in the drying section of a paper machine, in the form of a cylinder drier and/or fan dryer, transversely to the feed direction of the web; and arrangements for carrying out the method. |
| 03/25/1986 | CA1202172A1 Apparatus for controlling deposition of a liquid onto a moving surface |
| 03/18/1986 | CA1201914A1 Headbox for a paper machine |
| 03/11/1986 | US4575472 Double helix, spiral belts made therefrom |
| 03/11/1986 | US4574624 Ultrasonic echo sounding device for observing web formation and pulp suspension flow in a paper machine |
| 03/11/1986 | US4574435 Seam construction for papermachine clothing |
| 03/04/1986 | US4574033 Method and apparatus for delivering a multilayer jet of stock to a forming surface in a papermaking machine |
| 02/25/1986 | US4571798 Urethane covered paper machine roll |
| 02/19/1986 | EP0171891A1 Laminated soft faced-spiral woven papermakers fabric |
| 02/18/1986 | US4571359 Papermakers wet-press felt and method of manufacture |
| 02/18/1986 | US4571283 Reversible slice lip |
| 02/11/1986 | US4569883 Paper machine clothing |
| 02/11/1986 | US4569375 Composite fabric for use as a clothing for a papermaking machine |
| 02/11/1986 | CA1200353A1 Process for minimizing discolouration in pulping systems |
| 01/29/1986 | EP0169797A2 Controlled deflection roll |
| 01/28/1986 | US4567077 Papermaker's fabric constituted by plastic spirals |
| 01/28/1986 | US4566945 Headbox trailing element |
| 01/22/1986 | EP0168718A2 Drainage fabric for presses in the wet end section of a paper machine |
| 01/22/1986 | EP0168554A1 Spiral fabric |
| 01/21/1986 | US4565603 Method and device for reducing disturbances during paper web formation |
| 01/21/1986 | US4564992 Method for producing helix structures for use in forming helix belts |
| 01/21/1986 | US4564985 Felt for paper manufacture and method for producing the same |
| 01/14/1986 | US4564551 Wet-pressing belt for paper machines |
| 01/14/1986 | US4564052 Double-layer fabric for paper machine screen |
| 01/14/1986 | US4564051 Multiple ply dewatering screen particularly for a web forming part of a paper making machine |
| 01/08/1986 | EP0167416A1 Method for producing a cellular structure for covering a curved surface |
| 01/07/1986 | US4563245 Extended nip press; stability |
| 01/07/1986 | US4563244 Apparatus for controlling deposition of a liquid onto a moving surface |
| 01/03/1986 | WO1986000099A1 Paper machine screen |
| 01/02/1986 | EP0166677A2 Fabric conditioning and cleaning system |
| 01/02/1986 | EP0166669A1 Paper stock diffuser system |
| 01/02/1986 | EP0166189A2 A means in the vat section of a vat machine |
| 01/02/1986 | EP0166089A2 Novel monomeric cationic glycoside derivatives |
| 12/31/1985 | US4561938 Forming roll apparatus |
| 12/31/1985 | US4561937 Paper making machine |
| 12/31/1985 | US4561890 Two-phase stainless cast steel having high corrosion fatigue strength |
| 12/31/1985 | US4561379 Paper forming |
| 12/24/1985 | US4560474 Flotation apparatus for floating fiber suspensions extracted from waste paper |
| 12/24/1985 | US4560441 Press rollers and guiding rollers to support endless loop belt |
| 12/24/1985 | US4560438 Trimming, suction |
| 12/18/1985 | EP0164434A1 Papermachine cloth |
| 12/17/1985 | US4559105 Papermaking machine |
| 12/17/1985 | US4559104 Apparatus for discharging material |
| 12/11/1985 | EP0163738A1 Method of and apparatus for adjusting amount of water contained in paper sheet in drying step in papermaking process |
| 12/10/1985 | US4557802 Dewatering device for paper machine |
| 12/10/1985 | US4557025 Automatic seaming machine |
| 12/04/1985 | EP0163422A2 Priority vacuum control system |
| 12/03/1985 | US4556494 Simplified construction, withdrawal screens, fluid introductory structures |
| 12/03/1985 | US4556453 Apparatus for cleaning paper making machine screen belts |
| 11/26/1985 | US4555440 Multilayered press felt |
| 11/26/1985 | US4555306 Method and means for removing water from a web in a press of a papermaking machine |
| 11/26/1985 | US4554953 Composite fabric for use as clothing for the sheet forming section of a papermaking machine |
| 11/21/1985 | EP0161579A2 Dryer fabric having warp strands made of melt-extrudable polyphenylene sulphide |
| 11/19/1985 | US4554052 Method and apparatus for web forming |
| 11/19/1985 | US4554051 Papermaking |
| 11/19/1985 | US4553340 Sealing device in a cylinder drier |
| 11/19/1985 | CA1196871A1 Screen plate, screw press or the like intended for the treatment of a suspension |
| 11/13/1985 | EP0161238A2 Latency removal |
| 11/12/1985 | US4552620 Paper machine belt |
| 11/12/1985 | US4552619 Thermal stabilizing system for a headbox of a papermachine |
| 11/12/1985 | US4552019 Method and apparatus for measuring a colloidal potential |
| 11/12/1985 | US4551894 To eliminate destruction of bond |
| 11/06/1985 | EP0160615A2 Top wire former |
| 11/06/1985 | EP0160070A1 A device for mounting fabrics in papermaking machines |
| 11/06/1985 | EP0160069A1 Rotatable disc filter. |
| 11/05/1985 | US4551204 Adjustable lip nozzle channel |
| 11/05/1985 | US4551202 Vacuum control system and method for dewatering fabrics |
| 10/24/1985 | WO1985004680A1 Web forming device |
| 10/23/1985 | EP0158938A2 Apparatus for the manufacture of fibrous webs |
| 10/23/1985 | EP0158710A1 Papermakers fabric with high wear resistant yarns |
| 10/22/1985 | US4548673 Method and apparatus for deinking |
| 10/16/1985 | EP0158584A2 Headbox trailing element |
| 10/16/1985 | EP0158247A1 Paper-making auxiliary agent |
| 10/15/1985 | US4547266 Apparatus for providing selectively differentiated vacuum across a papermaking machine width |
| 10/10/1985 | WO1985004432A1 Aeration installation |
| 10/09/1985 | EP0157163A1 Process and apparatus for the flotation of dispersions |
| 10/09/1985 | EP0156873A1 Device for flushing endless wires etc. |
| 10/02/1985 | EP0156758A2 Steam heated dryer drum having stationary siphon and spoiler bars |
| 10/02/1985 | EP0156715A2 System for distributing steam on a paper web |
| 10/02/1985 | EP0156314A2 Screen cloth for paper machines |
| 10/02/1985 | EP0156236A2 Roll for processing a flat web-like material |
| 10/02/1985 | EP0156062A2 Papermakers fabrics |
| 10/01/1985 | US4544449 Apparatus for de-watering fibrous suspensions |
| 10/01/1985 | US4544448 Adjustable |
| 10/01/1985 | US4544447 Reversal takes place directly at wedging section |
| 10/01/1985 | US4543737 System for distributing steam on a paper web |
| 09/25/1985 | EP0155712A1 Cloth, in particular for use in paper making machines, and method of making the same |
| 09/25/1985 | EP0155503A1 Improvement in the dewatering of wet paper webs using mannich acrylamide polymers |
| 09/24/1985 | US4543162 Papermaking machine |
| 09/24/1985 | US4543161 Double cylinder press for formation of fibrous layers |
| 09/18/1985 | EP0103577B1 Process of producing fiberboard according to the wet method |
| 09/17/1985 | US4541896 Suction box for dehydrating paper webs |
| 09/17/1985 | US4541895 Papermakers fabric of nonwoven layers in a laminated construction |
| 09/17/1985 | CA1193710A1 Paper machine wet line control |
| 09/12/1985 | WO1985003960A1 Method and device for the flotation of dispersions |
| 09/10/1985 | US4540469 Method of cleaning a drying wire in a paper making machine |
| 09/10/1985 | US4539762 Pocket ventilating apparatus for a multi-cylinder dryer of a paper machine |
| 09/10/1985 | US4539730 Seaming means and a tool for forming the seam |
| 09/10/1985 | CA1193171A1 Automatic vacuum bleed valve for use on paper making machines |
| 09/03/1985 | US4539075 Perforated sheet for the head box of a paper machine |