| Patents for D21F 1 - Wet end of machines for making continuous webs of paper (14,078) |
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| 10/11/1988 | US4777070 Alveolar structure designed to cover a curved surface and its realization process |
| 10/11/1988 | US4776373 Fabric for the sheet forming section of a papermaking machine |
| 10/11/1988 | CA1242955A1 Spiral wire and a method of manufacturing such a wire |
| 10/11/1988 | CA1242913A1 Twin-wire former for paper machine |
| 10/05/1988 | EP0285376A2 Nonwoven fabric and method of manufacture |
| 10/05/1988 | CN87106348B Long wire dewatering device of paper machine |
| 10/04/1988 | US4775446 With slip-in joining wire |
| 10/04/1988 | US4774747 Gas burner for the interior heating of hollow rolls |
| 09/28/1988 | EP0284575A1 A dewatering medium for forming paper sheets |
| 09/28/1988 | EP0284344A2 Process for inhibiting aluminium hydroxide deposition in papermaking felts |
| 09/27/1988 | CA1242345A1 Fabric conditioning and cleaning system |
| 09/27/1988 | CA1242344A1 Dandy roll for manufacturing paper having simulated oxford cloth watermark and related method for papermaking |
| 09/21/1988 | EP0283181A1 Improvements in or relating to papermachine and like clothing |
| 09/21/1988 | EP0282887A1 Pressure roll for dewatering a paper web |
| 09/20/1988 | US4771814 Seam for multilayer papermaking fabric and method of making same |
| 09/20/1988 | CA1242075A1 Method and apparatus for reducing the energy consumption when drying a paper web |
| 09/14/1988 | EP0281691A2 Polyamide monofilaments used for papermaking apparatus |
| 09/14/1988 | CN87106348A Dewatering device of paper machine |
| 09/13/1988 | US4770745 Box or box-like girders containing pressure filled expandable tube force generating members; light weight, more compact |
| 09/13/1988 | US4770744 Headbox slice lip adjustment device |
| 09/13/1988 | CA1241852A1 Method and apparatus for headbox jet velocity measurement |
| 09/06/1988 | US4769111 Support apparatus for a dewatering unit in the web forming section of a paper machine |
| 09/01/1988 | DE3715329A1 Stoffauflauf-vorrichtung Headbox device |
| 08/31/1988 | EP0280094A2 Filter segment for a filter for thickening a fibrous suspension |
| 08/30/1988 | US4767514 Apparatus and method for removing liquid from liquid bearing material |
| 08/30/1988 | US4766649 Papermaker's felt utilizing special web-making techniques to avoid vibration |
| 08/30/1988 | CA1241352A1 Web guiding and decurling apparatus |
| 08/30/1988 | CA1241223A1 Positive lock foil blades |
| 08/25/1988 | WO1988006090A1 Method and apparatus for dewatering and squeezing material |
| 08/24/1988 | EP0279465A2 Fibrous tape base material |
| 08/24/1988 | EP0279214A2 Two-layer cloth for the wet end of a paper-making machine |
| 08/24/1988 | EP0279089A1 Paper mill wire and felt cleaning |
| 08/23/1988 | US4765868 Flow restraining elements in the headbox of a paper machine |
| 08/23/1988 | CA1240872A1 Apparatus and method for dewatering a web in a paper machine |
| 08/17/1988 | EP0278769A2 Papermakers fabric |
| 08/16/1988 | US4764253 Method for controlling feed of foamed fiber slurries |
| 08/16/1988 | CA1240621A1 Device for a rotary filter |
| 08/11/1988 | WO1988005841A1 Multi-ply paper forming fabric with ovate warp yarns in lowermost ply |
| 08/11/1988 | WO1988005840A1 Method and apparatus for spreading pulp to a web |
| 08/10/1988 | EP0277709A2 A method and an apparatus for drying a paper web or the like |
| 08/09/1988 | CA1240190A1 Urethane covered paper machine roll and cover |
| 08/09/1988 | CA1240189A1 Urethane covered paper machine roll |
| 08/09/1988 | CA1240188A1 Papermakers fabric constructed of extruded slotted elements |
| 08/09/1988 | CA1240187A1 Paper forming machines |
| 08/09/1988 | CA1240141A1 Method of controlling moisture profile in paper web in paper drying process and apparatus practicing same |
| 08/03/1988 | CN88100389A Improvement of copper wire material used for winding the round net cage in paper-making |
| 08/02/1988 | US4761329 Machine felt, and a method for manufacturing same |
| 08/02/1988 | US4761238 Removal of dissolved and colloidal material |
| 08/02/1988 | US4760631 For pressure treatment of webs |
| 07/27/1988 | EP0275656A1 Jointing of fabric ends |
| 07/26/1988 | US4759976 Hydrophobic top ply and hydrophilic bottom ply yarns |
| 07/26/1988 | US4759975 Papermaker's wet press felt having multi-layered base fabric |
| 07/26/1988 | US4759391 Two layer papermachine embossing fabric with depressions in the upper fabric layer for the production of tissue paper |
| 07/19/1988 | US4758309 Device for mounting fabrics in papermaking machines |
| 07/19/1988 | US4757619 Suction transfer system for high speed paper dryer |
| 07/19/1988 | US4757586 Glide-shoe arrangement for a variable-crown roll |
| 07/19/1988 | US4757585 Variable-crown roll |
| 07/19/1988 | CA1239460A1 Paper web control |
| 07/19/1988 | CA1239283A1 Low permeability spiral fabric and method |
| 07/13/1988 | EP0274244A1 Dryer fabric seaming |
| 07/07/1988 | DE3644983A1 Headbox for a papermachine or the like |
| 07/06/1988 | EP0273613A1 Papermakers felt with a resin matrix surface |
| 07/06/1988 | CN87107232A Method and apparatus for drying paper web |
| 07/06/1988 | CN87106954A Roller mechanim for free deformation treatment of moving belt product |
| 07/05/1988 | US4755420 Containing additive to impart toughness present in small discrete elongated globules having long axis parallel to axis of monofilament |
| 07/05/1988 | US4755260 Method for producing felt for paper making |
| 07/05/1988 | CA1238777A1 Steam heated dryer drum having stationary siphon and spoiler bars |
| 06/30/1988 | WO1988004206A3 Apparatus for sequentially drying both sides of a paper web |
| 06/28/1988 | US4753712 Oscillating fluid jets |
| 06/28/1988 | US4753711 Surge control system and method for dewatering press felts |
| 06/28/1988 | US4753015 Method for heat treating a web shaped material, and a device in a plant for heat treatment of a running web |
| 06/22/1988 | CN87107426A Pressurized flotation modules and method for pressurized foam separation |
| 06/21/1988 | US4752519 Papermakers felt with a resin matrix surface |
| 06/21/1988 | CA1238283A1 Rotatable disc filter |
| 06/16/1988 | WO1988004206A2 Apparatus for sequentially drying both sides of a paper web |
| 06/16/1988 | DE3740577A1 Method for automatic dewatering control |
| 06/15/1988 | EP0271427A2 Pressurized flotation module and method for pressurized foam separation |
| 06/14/1988 | US4750340 Apparatus for treating a fibre suspension |
| 06/14/1988 | US4750253 Method and apparatus for producing a flat spiral link assembly |
| 06/14/1988 | CA1237929A1 Flotation apparatus for flotation of fibrous stock suspension recovered from waste paper |
| 06/08/1988 | EP0269691A1 Fixation device. |
| 06/07/1988 | US4749473 Slurrying, air blowing, absorption, froth removal |
| 06/07/1988 | US4749007 Method for manufacturing cloth particularly for paper-manufacturing machine |
| 06/07/1988 | US4748909 Transverse stretching apparatus for a moving web |
| 06/07/1988 | US4748736 Method for manufacturing a press roll |
| 06/01/1988 | EP0269070A2 Composite forming fabric |
| 06/01/1988 | EP0268769A2 Roll for the pressure treatment of webs |
| 06/01/1988 | DE3639823A1 Headbox for papermachines or the like |
| 05/31/1988 | CA1237312A1 Felt comprising a loop seam for use in the press section of papermaking machines and a method of manufacturing such felts |
| 05/31/1988 | CA1237311A1 Paper machine belt |
| 05/31/1988 | CA1237310A1 Apparatus for discharging material |
| 05/26/1988 | DE3723750A1 Filz zum entwaessern von papierbahnen Felt for dewatering of paper webs |
| 05/24/1988 | US4746546 Method of forming endless wire belt for paper machines or the like |
| 05/19/1988 | DE3638371A1 Process for separating solids contained in a liquid, in particular solids contained in waste waters, and an apparatus for carrying out the process |
| 05/17/1988 | US4744866 Web-forming method in a paper machine |
| 05/17/1988 | CA1236722A1 Thermal stabilizing system for a headbox of a paper machine |
| 05/11/1988 | EP0266853A1 Papermaker's wet press felt having multi-layered base fabric |
| 05/11/1988 | EP0266786A2 Spiral fabric having double spirals |
| 05/10/1988 | US4743339 Method for controlling the digestion of pulp by IR spectroscopy |
| 05/10/1988 | CA1236454A1 Monomeric cationic glycoside derivatives |