| Patents for D21F 1 - Wet end of machines for making continuous webs of paper (14,078) |
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| 12/01/1987 | US4709732 Fourteen harness dual layer weave |
| 12/01/1987 | US4709629 Roll with pressure chamber for detection control |
| 11/25/1987 | CN86104437A Vertical fibre recoverer |
| 11/24/1987 | US4708773 Impermeable plate for uniformly dispersing paper raw material in a twin wire paper former |
| 11/24/1987 | CA1229513A1 Manufacturing of kraft paper |
| 11/19/1987 | WO1987006964A1 A turbulence generator for the head box of a paper machine |
| 11/19/1987 | EP0245851A2 Fourteen harness dual layer weave |
| 11/19/1987 | EP0245536A2 Method of controlling the degree of digestion of lignocellulose-containing materials |
| 11/19/1987 | DE3616051A1 Method of monitoring the digestion of lignocelluloses with the aid of FTIR spectroscopy |
| 11/17/1987 | US4707222 Start-up and operating procedure for roll press having an extended nip press with inflatable press jacket |
| 11/17/1987 | CA1229253A1 Slice lip adjustment |
| 11/10/1987 | US4705602 Dewatering a paper web or supporting rollers of rolling machine |
| 11/10/1987 | US4705601 Multi-ply paper forming fabric with ovate warp yarns in lowermost ply |
| 11/05/1987 | WO1987006637A1 A web forming apparatus |
| 11/05/1987 | WO1987006635A1 Dryer felt run |
| 11/05/1987 | WO1987006633A1 Method for regulating the cross-direction profile of a paper web and equipment for the application of the method |
| 11/05/1987 | WO1987006505A1 Disk screen improvement for chip screening efficiency |
| 11/05/1987 | DE3613703A1 Roller, in particular guiding and/or directing roller for flat webs of material, and process for its production |
| 11/05/1987 | DE3613494A1 Expander roller |
| 11/04/1987 | EP0243690A2 Flotation tank or cell |
| 11/03/1987 | US4704171 Laminating device with paper tension control |
| 11/03/1987 | US4703860 Disk screen with decreasing size of slot openings, and method |
| 11/03/1987 | CA1228763A1 Deaerated liquid stock supply |
| 11/03/1987 | CA1228761A1 Papermakers fabric of link and pintle construction |
| 11/03/1987 | CA1228760A1 Horizontal twin wire machine |
| 10/27/1987 | US4702952 Sheet forming fabric with reinforced margins |
| 10/22/1987 | WO1987006282A1 Dewatering press |
| 10/21/1987 | EP0242345A2 Glide-shoe arrangement for a variable-crown roll |
| 10/20/1987 | US4701242 Mechanism for moving a shower nozzle in a paper making machine |
| 10/14/1987 | EP0241442A2 Method for controlling the deflection of an adjustable-crown roll as well as a paper machine roll wherein the method is applied |
| 10/14/1987 | EP0241439A2 Dewatering apparatus |
| 10/13/1987 | US4698919 Apparatus for assisting the transfer of a web to a drying section |
| 10/07/1987 | EP0239950A1 System for drying paper and nozzle for use therin |
| 10/07/1987 | EP0239570A1 A bearing blanket for an extended nip press. |
| 10/06/1987 | US4698134 Method for cleaning papermaking fabrics |
| 09/29/1987 | US4696852 Synthetic, thermosetting resin helices, flattening in area of winding arcs |
| 09/29/1987 | CA1227364A1 Apparatus for affecting a web formed on a wire |
| 09/23/1987 | EP0238470A1 An arrangement in the drying section of a paper machine |
| 09/22/1987 | US4695498 Low bulk pin-type seam |
| 09/22/1987 | US4695015 Improvements relating to belts of inter-woven spiral wires |
| 09/22/1987 | US4694587 Method and apparatus in a twin-wire cylinder drying section of a paper machine |
| 09/16/1987 | EP0237437A1 Roll camber control device for a roll with a deformable envelope |
| 09/16/1987 | EP0236601A1 Automatic seaming machine for fabric belts |
| 09/15/1987 | US4693784 Suction roll and method for applying a negative pressure over a sector of a roll |
| 09/15/1987 | US4693015 Direct fired cylinder dryer |
| 09/15/1987 | CA1226884A1 Support and drive members for use, for example, in shower units |
| 09/15/1987 | CA1226753A1 Wet press papermakers felt and method of fabrication |
| 09/09/1987 | EP0236067A2 Rolls with curved shafts |
| 09/09/1987 | EP0235790A2 Laminating device with paper or laminate tension control |
| 09/08/1987 | US4692213 On a paper machine |
| 09/08/1987 | US4692212 Improve wet strength and molding endurance |
| 09/08/1987 | US4692210 Method and apparatus for measuring the distribution of fiber widths and adjusting the refining of fibrous stock |
| 09/08/1987 | US4691421 Press roll with adjustable sag |
| 09/08/1987 | CA1226463A1 Multiple ply dewatering screen |
| 09/08/1987 | CA1226462A1 Fabric for use as a cloth in the sheet forming section of a papermaking machine |
| 09/08/1987 | CA1226461A1 Apparatus for dewatering fibrous suspensions |
| 09/02/1987 | EP0234518A2 Improved system for controlling a web property profiling apparatus |
| 09/02/1987 | EP0234197A1 Process for patching damaged parts in a paper-making cloth |
| 08/27/1987 | WO1987005109A1 Method for measuring the properties of a composition consisting of a liquid and solid particles and apparatus used in the method |
| 08/25/1987 | US4688301 Method and apparatus for forming a web |
| 08/19/1987 | EP0232715A1 Use of a paper-making cloth for the production of tissue paper or porous sheets, and a cloth suited therefor |
| 08/19/1987 | EP0232708A1 Sixteen harness dual layer weave |
| 08/19/1987 | EP0232604A1 Head box for a paper-making machine |
| 08/18/1987 | US4687549 For dewatering and forming paper web |
| 08/18/1987 | US4687548 Method and apparatus for controlling distortion of fibre orientation in a paper web |
| 08/18/1987 | US4686778 Device for threading a transfer strip of a paper web through the drying cylinder section of a paper machine |
| 08/18/1987 | CA1225570A1 Fabric for use as cloth for papermaking machines |
| 08/13/1987 | WO1987004640A1 Filter device |
| 08/12/1987 | EP0232128A2 Filtering devices |
| 08/12/1987 | EP0232022A2 Converting rotational movement into linear movement |
| 08/12/1987 | CN87100096A Treatment technology of fibreboard waste water in hydro-processing |
| 08/11/1987 | US4686006 Apparatus and method for the manufacture of fibrous webs |
| 08/11/1987 | US4686005 Method of washing stock suspensions by removing undesired material through an endless revolving wire |
| 08/11/1987 | US4686004 Good formation over wide range of basis weight and wide variable speed |
| 08/11/1987 | US4685183 Controlled deflection roll |
| 08/11/1987 | CA1225266A1 Press arrangement |
| 08/04/1987 | US4684444 Sorter for paper pulp suspensions including a damping chamber |
| 08/04/1987 | US4684441 Papermaking |
| 08/04/1987 | US4684073 Apparatus for thickening and refining fibre-pulp suspensions |
| 08/04/1987 | US4683627 Roll for processing a web or strip of material |
| 08/04/1987 | US4683624 Method for steaming a papermaker's fabric |
| 07/29/1987 | EP0230228A2 Method for producing spiral fabric and spiral fabric produced by this method |
| 07/28/1987 | US4683027 Method and apparatus in a paper machine for regulating pressure in the space between a headbox lip beam and breast roll |
| 07/28/1987 | CA1224658A1 Press felt |
| 07/28/1987 | CA1224657A1 Wet-pressing belt for paper-machines |
| 07/22/1987 | EP0229645A1 Process for producing an antifalsification paper with an incorporated security element |
| 07/21/1987 | US4681287 Spiral wire and a method of manufacturing such a wire |
| 07/21/1987 | US4680873 Method for controlling shrinkage and/or stretching of a paper web in the drying section of 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 |
| 07/21/1987 | CA1224333A1 Dryer stationary syphon adjustment mechanism |
| 07/21/1987 | CA1224332A1 Magnetic spoiler bar apparatus |
| 07/16/1987 | WO1987004198A1 Sixteen harness dual layer weave |
| 07/15/1987 | EP0228396A1 Arrangement for the flocculation of flocculable substances, particularly for the purification of effluents from deinking installations for used paper processing. |
| 07/14/1987 | US4680089 Process for controlling the formation of sheet material |
| 07/14/1987 | US4679287 Heated variable crown roll |
| 07/14/1987 | CA1224067A1 Two-phase stainless cast steel having high corrosion fatigue strength |
| 07/09/1987 | EP0215904A4 Method for producing patterns on a fiber felting screen. |
| 07/08/1987 | CN85109670A Pulp stock chest unit of cylinder paper machine |
| 07/02/1987 | WO1987003920A1 A means in the vat section of a vat machine |
| 07/02/1987 | DE3641598A1 Process and device in a papermachine, and paper web produced by the process |
| 07/01/1987 | EP0227442A1 Improvements to papermachine and like clothing |