| Patents for D21F 1 - Wet end of machines for making continuous webs of paper (14,078) |
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| 07/01/1987 | EP0227040A2 Process and apparatus for making a spiral fabric |
| 06/30/1987 | US4676369 Spiral link belt with protected edges |
| 06/30/1987 | US4676278 Forming fabric |
| 06/25/1987 | DE3610939A1 Treatment of the pulp water from a papermachine |
| 06/24/1987 | EP0225988A1 Lateral-expansion device |
| 06/23/1987 | US4675229 Spiral coil corrugator belt |
| 06/23/1987 | US4675078 Web forming method and device |
| 06/23/1987 | US4675077 Papermaking machine |
| 06/23/1987 | US4674684 Support and drive members suitable, for example, for use in shower units of papermaking machines |
| 06/16/1987 | US4673729 Paper auxiliary from condensation product of aliphatic polyol-ether-amine and compound polyfunctional toward amino groups |
| 06/16/1987 | US4673461 Enclosed shoe press with flexible end connections for its annular belt |
| 06/16/1987 | EP0225827A1 Rotary cylinder ferrule |
| 06/03/1987 | EP0224428A1 Enclosed shoe press |
| 06/03/1987 | EP0224276A2 Screen cloth for the wet end of a paper-making machine |
| 06/03/1987 | CN86107639A Enclosed shoe press |
| 05/27/1987 | DE3613509A1 Front wall at the headbox of a papermachine |
| 05/27/1987 | DE3541201A1 Device for oscillation damping |
| 05/26/1987 | CA1222116A1 Method and arrangement for winding and forming helixes of elastic plastic or metal wire |
| 05/21/1987 | DE3614302A1 Front wall with support at the headbox of a papermachine |
| 05/19/1987 | US4666390 Apparatus for making a patterned non-woven fabric |
| 05/14/1987 | DE3539354A1 Method and device for locating functional disturbances in the machine elements of a paper machine |
| 05/12/1987 | CA1221614A1 Laminated soft faced-spiral woven papermakers fabric |
| 05/12/1987 | CA1221570A1 Forming fabric |
| 05/12/1987 | CA1221503A1 Method and apparatus for deinking |
| 05/07/1987 | DE3607941A1 Pressing device for dewatering a web of material |
| 05/05/1987 | US4663040 Rotary drum filter grid extension and method |
| 05/05/1987 | US4662994 Helical coils; polyesters, polyamides |
| 05/05/1987 | US4662032 Method and apparatus for forming a web |
| 05/05/1987 | CA1221262A1 Method and apparatus for producing fibre pulp from fibrous lignocellulose containing material |
| 05/05/1987 | CA1221261A1 Method and device for delivering a multilayer jet of stock to a forming surface in a paper machine |
| 05/05/1987 | CA1221260A1 Forming board elements |
| 04/30/1987 | DE3635683A1 Device on drainage elements |
| 04/29/1987 | EP0219715A1 Helical-joint belt with fill spirals wound around a wire plug |
| 04/28/1987 | US4661206 Paper web |
| 04/28/1987 | CA1220975A1 Extrusion devices |
| 04/22/1987 | EP0135544B1 Dewatering device for the wet part of a paper machine |
| 04/21/1987 | US4659432 Vat paper machine |
| 04/21/1987 | US4658863 Screen for papermaking press |
| 04/21/1987 | US4658621 Rolling apparatus |
| 04/14/1987 | US4657806 Wet press papermakers felt |
| 04/14/1987 | US4657637 Pulp treatment apparatus having lowerable vacuum containers to facilitate removal thereof |
| 04/14/1987 | US4657635 Method and apparatus for the deflocculation of stock |
| 04/09/1987 | WO1987002080A1 A bearing blanket for an extended nip press |
| 04/09/1987 | DE3535849A1 Setting device for the lip of a papermachine hatbox |
| 04/08/1987 | EP0160069B1 Rotatable disc filter |
| 04/07/1987 | CA1220062A1 Flat shaped article, particularly sieve band or composite band for paper machines, and the like |
| 04/02/1987 | DE3533614A1 Spiral wire belt |
| 04/01/1987 | EP0216215A1 Method and device for producing a wire link band |
| 04/01/1987 | EP0215904A1 Method for producing patterns on a fiber felting screen |
| 03/31/1987 | US4654122 Endless wire belt for paper machines or the like |
| 03/31/1987 | CA1219758A1 Web-forming section of a paper machine |
| 03/24/1987 | US4652736 Guide line in an endless travelling web |
| 03/24/1987 | US4651628 Piston-cylinder arrangement of polygonal cross section |
| 03/19/1987 | DE3532715A1 Head box with adjustable diaphragm |
| 03/17/1987 | US4650709 Great length where structure filled with filler |
| 03/17/1987 | US4649964 Paper making fabric having a reduced permeability profile |
| 03/17/1987 | US4649619 Method of forming a locked seam |
| 03/17/1987 | CA1219159A1 Forming shoe for a former in a paper machine |
| 03/17/1987 | CA1219158A1 Multi-ply headbox having adjustable outlet slices |
| 03/12/1987 | WO1987001314A1 Process and device for manufacturing a wire link conveyor |
| 03/11/1987 | EP0213273A1 Suction transfer system for high speed paper dryer |
| 03/10/1987 | US4649074 Papermachine fabric in the form of a spiral link belt covered with nonwoven fabric |
| 03/10/1987 | US4648970 Easy removal of filter cakes |
| 03/04/1987 | EP0211834A1 Aeration installation. |
| 03/04/1987 | CN85103950A Method and apparatus for headbox jet velocity measurement |
| 03/03/1987 | CA1218549A1 Flow distributer |
| 03/03/1987 | CA1218548A1 Dewatering system with adjustable width suction slot |
| 02/25/1987 | EP0211607A2 Headbox for a papermaking machine |
| 02/25/1987 | EP0211471A1 Laminated spiral mesh papermakers fabric |
| 02/25/1987 | EP0211426A2 Multi-layer fabric for paper making machines having an improved stability and permeability |
| 02/25/1987 | EP0211410A2 Felt for a paper-making machine consisting of a spiral fabric covered by a fibrous layer |
| 02/24/1987 | CA1218449A1 Method based on ultrasonic echo sounding for the observation of the web formation and/or of the pulp suspension flow on the wire part and/or in the head box of a paper machine,as well as uses of the method and/or of the device |
| 02/24/1987 | CA1218258A1 Method of operating a papermaking installation and installation for performing the method |
| 02/17/1987 | US4643802 Extended nip press with heating effects avoidance |
| 02/17/1987 | US4643775 Fabric conditioning and cleaning system |
| 02/17/1987 | US4642862 Stone roller for paper making machines |
| 02/17/1987 | CA1217964A1 Spiral fabric papermakers felt formed from non- circular cross section yarns |
| 02/12/1987 | DE3532716A1 Device for slowing down jetting flow of screen water |
| 02/10/1987 | US4642261 Papermakers fabric having a tight bottom weft geometry |
| 02/03/1987 | US4640742 Expandable movable member heated by magnetic field; papermaking |
| 02/03/1987 | US4640741 Forming fabric for use in a papermaking machine |
| 01/28/1987 | EP0209696A1 Headbox for a paper-making machine |
| 01/27/1987 | US4639292 Drying cylinder for use in paper making |
| 01/27/1987 | US4639291 Method of controlling moisture profile in paper web in paper drying process and apparatus practicing same |
| 01/22/1987 | DE3533072A1 Head box for a papermaking machine |
| 01/20/1987 | US4637434 Three-way valve for an attenuator |
| 01/20/1987 | CA1216927A1 Method and apparatus for detecting and counteracting a deformation of the stock discharge gap in a headbox of a paper machine |
| 01/15/1987 | WO1987000220A1 Arrangement for the flocculation of flocculable substances, particularly for the purification of effluents from deinking installations for used paper processing |
| 01/15/1987 | DE3524071A1 Process and device for the flotation of fibre suspensions |
| 01/14/1987 | EP0207945A1 Web forming device |
| 01/13/1987 | US4636426 Smooth |
| 01/08/1987 | DE3523385A1 Device for vibration damping |
| 01/06/1987 | US4634529 Rotatable disc filter |
| 01/06/1987 | US4633596 Paper machine clothing |
| 01/02/1987 | DE3625566A1 Damping device for a liquid flow |
| 01/02/1987 | DE3525788A1 Method and arrangement for controlling the addition of chemicals for flocculating flocculable substances in suspensions, especially for purifying the backwater of de-inking installations |
| 01/02/1987 | DE3522138A1 High-pressure spray tube for cleaning the wires of paper machines or the like |
| 12/30/1986 | US4632716 Woven low permeability fabric and method |
| 12/30/1986 | EP0207028A2 An arrangement in an adjustable roller bearing for lateral guidance for running webs |
| 12/30/1986 | CA1215950A1 Plural anti-splash injection streams in liquid gas food sealing systems |