| Patents for D21F 1 - Wet end of machines for making continuous webs of paper (14,078) |
|---|
| 01/19/1982 | CA1116452A1 Tissue paper machine |
| 01/19/1982 | CA1116451A1 Roll with magnetically compensated and/or adjusted bending |
| 01/13/1982 | EP0043441A1 Process and apparatus for making a woven seam between two ends of a fabric |
| 01/06/1982 | EP0043289A2 Method and apparatus for manufacturing paper and paperboard |
| 01/05/1982 | US4308897 Dryer felt with encapsulated, bulky center yarns |
| 01/05/1982 | CA1115573A1 Drive for paper making machine head box |
| 12/29/1981 | US4308097 Former for producing a paper web |
| 12/29/1981 | US4308096 Extended nip press |
| 12/29/1981 | US4308095 For pressure variations in a paper-making suspension |
| 12/29/1981 | CA1115177A1 Forming fabric for paper making and similar machines |
| 12/29/1981 | CA1115105A1 Wear resistant insert for a fabric contacting element of a paper making machine |
| 12/24/1981 | WO1981003625A1 Flotation cell |
| 12/22/1981 | US4306934 Method and apparatus for forming paper |
| 12/16/1981 | EP0041728A1 Flotation cell |
| 12/16/1981 | EP0041685A1 Process and apparatus for joining metal or synthetic spiral elements into a belt |
| 12/09/1981 | EP0041486A1 Paper web control |
| 12/09/1981 | EP0041232A1 Method of making a band endless and slider for the application of the method |
| 12/02/1981 | EP0041056A1 Papermaking |
| 12/01/1981 | US4302871 Press or reversing roller for double sieve band drainage machines |
| 12/01/1981 | CA1113527A1 Shower fittings |
| 11/25/1981 | EP0040208A1 A device in the drying section of a paper machine. |
| 11/24/1981 | US4301582 Roller magnetically compensated and adjusted for deflection |
| 11/24/1981 | CA1112851A1 Method of and means for precision mounting of members on elongate metallic supporting structure |
| 11/18/1981 | EP0039850A1 Process for making link belts and apparatus for carrying it into effect |
| 11/17/1981 | US4300982 Wet press felt |
| 11/17/1981 | US4300981 Layered paper having a soft and smooth velutinous surface, and method of making such paper |
| 11/17/1981 | CA1112525A1 Multifilament thread |
| 11/10/1981 | CA1112088A1 Broad-band pulsation attenuator |
| 11/03/1981 | US4298429 Means for effecting cross direction fiber orientation in a papermaking machine headbox |
| 11/03/1981 | US4297794 Paper sheet dryer |
| 10/27/1981 | US4296886 Shower fittings |
| 10/20/1981 | CA1110953A1 Duplex forming fabric |
| 10/20/1981 | CA1110892A1 Process for making a cellulosic product |
| 10/20/1981 | CA1110891A1 Method of and means for attaining uniformity in paper webs produced on a roll former |
| 10/15/1981 | WO1981002903A1 Headbox for a paper machine |
| 10/14/1981 | EP0037513A1 Flotation apparatus for deinking fibrous suspensions |
| 10/07/1981 | EP0037387A1 A sheet assembly and method of manufacturing same |
| 10/07/1981 | EP0037278A2 Output header for hydrocyclones with concentric accept outlets |
| 10/07/1981 | EP0036972A1 Method and apparatus for making a link belt |
| 10/06/1981 | CA1110228A1 Variable venturi dispersing and mixing device |
| 10/01/1981 | WO1981002753A1 Procedure in the wire section of a paper machine,and twin-wire former applying the procedure |
| 09/30/1981 | EP0036527A1 Low permeability dryer fabric |
| 09/22/1981 | US4290867 Means for and method of producing smooth electro-polished surfaces |
| 09/22/1981 | US4290209 Dryer fabric |
| 09/15/1981 | US4289964 Radiation inspection system for a material making apparatus and method using a beta ray gauge |
| 09/15/1981 | US4289173 Papermakers fabrics |
| 09/08/1981 | US4288319 Method of and arrangement for de-inking fiber |
| 09/01/1981 | US4287021 Extended nip press |
| 09/01/1981 | US4286631 Method of providing a seam in double-layer forming fabrics |
| 08/25/1981 | US4285768 Apparatus for dewatering fiber suspension for producing a web of fiber |
| 08/25/1981 | US4285767 Headbox having adjustable flow passages |
| 08/25/1981 | CA1107551A1 Procedure for changing fabrics, in particular wires, in a paper machine and auxiliary means employed in the procedure |
| 08/18/1981 | CA1107111A1 Method and device for forming a multi-layer jet of papermaking stock |
| 08/18/1981 | CA1107110A1 Drainage foil apparatus with individually replaceable ceramic segments |
| 08/18/1981 | CA1107109A1 Ply-separable paper |
| 08/12/1981 | EP0033662A2 Papermakers felt and method of manufacture |
| 08/11/1981 | US4282656 Cylinder for a paper machine, or the like |
| 08/06/1981 | WO1981002173A1 Extended nip press |
| 08/05/1981 | EP0033293A1 Extended nip press |
| 08/04/1981 | US4281688 Reversible forming fabric having dominating floats on each face |
| 08/04/1981 | CA1106215A1 Paper forming roll construction |
| 07/28/1981 | US4280902 Particularly liquids used in the production of cellulosic pulp |
| 07/28/1981 | US4280870 Pulp feed for a papermaking machine |
| 07/28/1981 | US4280869 Suction dewatering system with cam actuated adjustable slot |
| 07/23/1981 | WO1981002030A1 Use of polyalkylene oxides for the separation of cellulose fibres |
| 07/22/1981 | EP0032364A1 Use of polyalkylene oxides for the separation of cellulose fibres |
| 07/14/1981 | US4278497 Suction dewatering system with automatically adjusting suction slot |
| 07/14/1981 | CA1104817A1 Paper sheet dryer |
| 07/08/1981 | EP0031445A1 Process for acting upon a pre-drained fibrous tissue on a screen, and device for carrying out the process |
| 07/07/1981 | US4277328 Flotation apparatus for separating impurities from a fiber suspension |
| 07/07/1981 | CA1104400A1 Headbox |
| 06/30/1981 | US4276169 Drainage deck assembly for rotary vacuum drum filter |
| 06/30/1981 | US4276119 Centrifuging |
| 06/30/1981 | CA1103917A1 Procedure in tissue paper machine fitted with a flow- through dryer |
| 06/23/1981 | US4274448 Dryer felt with encapsulated, bulky center yarns |
| 06/10/1981 | EP0029905A1 Stock supply means for strainer presses |
| 06/09/1981 | US4272317 Roll bearing alignment |
| 06/09/1981 | US4272297 Compositions for use with papermaking fillers |
| 06/09/1981 | US4271574 Mechanical drive for rotatable mantle roll mounted onto a stationary axle, especially for a deflection-compensated roll mantle of a paper machine |
| 06/09/1981 | CA1102604A1 Method and an apparatus for treating fibre suspensions |
| 06/02/1981 | US4271222 Resin foam |
| 06/02/1981 | US4270978 Positive pressure felt dewatering and cleaning device and method |
| 06/02/1981 | CA1102157A1 High-elasticity press felt |
| 06/02/1981 | CA1102156A1 Method of closing fabric seams |
| 05/28/1981 | WO1981001428A1 A device in the drying section of a paper machine |
| 05/28/1981 | WO1981001374A1 A nozzle |
| 05/27/1981 | EP0029269A1 Layered paper having a soft and smooth velutinous surface, and method of making such paper |
| 05/26/1981 | CA1101786A1 Thickener apparatus including a shaftless cylinder mold |
| 05/26/1981 | CA1101716A1 Extended nip press |
| 05/20/1981 | EP0028630A1 Method for the production of a link-belt and a link-belt produced thereby. |
| 05/19/1981 | US4267644 Rotatable hollow cylinder, particularly useful as the drying cylinder for a paper machine |
| 05/19/1981 | CA1101255A1 Double decker pin seam |
| 05/19/1981 | CA1101254A1 Apparatus for making fiberboard |
| 05/12/1981 | US4267227 Press fabric resistant to wad burning |
| 05/12/1981 | US4267226 Fabric web and a method of making a fabric web for a dewatering machine |
| 05/12/1981 | US4267018 Method for changing fabrics in paper manufacturing machines |
| 05/12/1981 | US4267017 Drainage roof for twin wire roll former |
| 05/12/1981 | CA1100801A1 Method of smoothing the surface of a felt or a wire and apparatus for carrying out said method |
| 05/05/1981 | US4265706 Drainage device with bonded wear surface and method of fabrication |
| 05/05/1981 | US4265573 Particulate matter dispersing and transporting system |