| Patents for D21F 9 - Complete machines for making continuous webs of paper (2,705) |
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| 08/21/1985 | EP0151908A2 Orientation line in an endless travelling web |
| 08/07/1985 | EP0150777A2 Method for the manufacture of a non-woven fibrous web |
| 07/30/1985 | US4532008 Papermaking machine |
| 06/18/1985 | US4523978 Forming shoe for a former in a paper machine |
| 05/07/1985 | CA1186539A1 Method and apparatus for producing a multilayer paper web |
| 04/10/1985 | EP0136329A1 Method and apparatus for producing paper and other nonwoven fibrous webs |
| 04/03/1985 | EP0136000A2 Paper-forming machine |
| 03/12/1985 | US4504358 Apparatus for handling white water in a twin-wire machine |
| 03/12/1985 | CA1183710A1 Longitudinal wire papermaking machine |
| 02/26/1985 | US4501040 Method and apparatus for washing stock suspensions by removing undesired material through an endless wire |
| 02/12/1985 | US4498956 From fibers in surfactant and water slurry |
| 12/25/1984 | US4490212 Papermaking machine with central dewatering cylinder |
| 12/04/1984 | US4486268 Absorbent, multilayer disposable products |
| 10/30/1984 | CA1176888A1 Twin-wire forming section of a paper machine |
| 10/23/1984 | CA1176492A1 Twin-wire paper machine and method of opertion |
| 10/16/1984 | US4477313 Papermaking |
| 09/18/1984 | US4472244 Compact and easily exchangeable |
| 08/28/1984 | CA1173282A1 Forming shoes for the former of a paper making machine |
| 08/16/1984 | WO1984003112A1 Method and apparatus for producing paper and other nonwoven fibrous webs |
| 08/14/1984 | CA1172484A1 Method of forming a multi-ply paper web in a twin- wire former and twin-wire former for carrying out the method |
| 08/14/1984 | CA1172483A1 Dewatering apparatus for longitudinal wire papermaking machines |
| 08/07/1984 | US4464224 Process for manufacture of high bulk paper |
| 07/17/1984 | CA1170881A1 Wire section for a paper machine |
| 07/10/1984 | US4459175 Longitudinal wire papermaking machine |
| 06/05/1984 | CA1168493A1 Twin-wire papermaking machine |
| 06/05/1984 | CA1168492A1 Apparatus for continuously dewatering of a fibrous web |
| 05/08/1984 | US4447295 Dewatering apparatus for longitudinal wire papermaking machines |
| 05/01/1984 | US4445974 Apparatus for forming a multilayer jet of paper making stock |
| 04/17/1984 | US4443343 Method and apparatus for manufacturing planar fiber webs from short, oriented reinforcement fibers or fiber blends |
| 04/17/1984 | US4443300 Paper making machine with a filter cylinder |
| 04/17/1984 | US4443299 Apparatus and method for the manufacture of a non-woven fibrous web |
| 04/17/1984 | US4443297 Foaming, surfactants, apertures, storage, multilayer, circulation, dispersion |
| 04/17/1984 | CA1165606A1 Double sieve papermaking machine |
| 04/03/1984 | CA1164703A1 Method and apparatus for use in the manufacture of paper and paperboard |
| 03/13/1984 | US4436587 Method for producing multilayer paper |
| 02/28/1984 | CA1162772A1 Method for producing a machine-glazed sheet |
| 02/07/1984 | US4430159 Twin-wire papermaking machine |
| 01/11/1984 | EP0098148A2 Process for manufacture of high bulk paper |
| 01/10/1984 | US4425188 Forming shoes for the twin-wire former of a paper making machine |
| 01/10/1984 | US4425187 Twin-wire papermaking machine |
| 11/29/1983 | US4417950 Papermaking machine containing two movable water pervious dewatering bands |
| 11/22/1983 | CA1157303A1 Headbox for a paper machine |
| 11/22/1983 | CA1157302A1 Twin-wire web forming section |
| 11/01/1983 | CA1156080A1 Papermaking machine containing two movable water pervious dewatering bands, for instance sieves |
| 09/27/1983 | US4406739 Dewatering and detaching a paper web |
| 09/20/1983 | CA1153921A1 Twin wire web former |
| 09/15/1983 | WO1983003109A1 Web-forming section of a paper machine |
| 04/26/1983 | CA1145176A1 Method and apparatus for handling white water in a twin-wire machine |
| 04/19/1983 | CA1144795A1 Twin wire web former (adaption) |
| 04/05/1983 | CA1143981A1 Filter or wire machine for washing stock suspensions |
| 03/08/1983 | US4376014 Headbox for forming multi-ply sheets |
| 03/08/1983 | US4376012 Method of forming a multi-ply web from paper stock |
| 02/16/1983 | EP0072188A2 Web forming machine |
| 02/15/1983 | CA1141218A1 Papermaking machine with a filter cylinder |
| 01/25/1983 | US4370200 Method of influencing a pre-drained fibrous web on a screen |
| 01/11/1983 | CA1139143A1 Method for producing multilayer paper |
| 01/11/1983 | CA1139142A1 Headbox |
| 12/23/1982 | WO1982004450A1 Conductor roll with water conduit element for a sieve band of a paper machine |
| 10/20/1982 | EP0062983A1 Forming shoes for the former of a paper making machine |
| 10/14/1982 | WO1982003413A1 Paper machine having a head box with a plurality of tuyeres |
| 09/14/1982 | US4349414 Method for forming a multilayer jet of paper making stock |
| 09/02/1982 | WO1982002910A1 Device for continuously dehydrating a fiber web |
| 08/17/1982 | US4344818 Air/water hybrid former |
| 08/03/1982 | CA1128795A1 Drainage roof for twin wire roll former |
| 07/28/1982 | EP0056395A1 A method for producing a machine-glazed sheet |
| 07/27/1982 | CA1128352A1 Supporting member for papermaking screen in paper machines |
| 04/14/1982 | EP0049254A1 Headbox for a paper machine |
| 03/10/1982 | EP0047173A2 Method and apparatus for use in the manufacture of paper and paperboard |
| 02/18/1982 | WO1982000484A1 A method for producing a machine-glazed sheet |
| 02/16/1982 | CA1118258A1 Method and apparatus for forming a paper web |
| 01/19/1982 | CA1116452A1 Tissue paper machine |
| 01/06/1982 | EP0043289A2 Method and apparatus for manufacturing paper and paperboard |
| 12/29/1981 | US4308097 Former for producing a paper web |
| 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 |
| 10/13/1981 | US4294657 Apparatus for making fiberboard |
| 10/13/1981 | US4294655 Method and apparatus for forming fiberglass mats |
| 10/01/1981 | WO1981002753A1 Procedure in the wire section of a paper machine,and twin-wire former applying the procedure |
| 09/15/1981 | US4289624 Apparatus for extracting solids from slurry |
| 08/25/1981 | US4285768 Apparatus for dewatering fiber suspension for producing a web of fiber |
| 08/18/1981 | CA1107111A1 Method and device for forming a multi-layer jet of papermaking stock |
| 08/04/1981 | CA1106215A1 Paper forming roll construction |
| 07/29/1981 | EP0032772A1 Apparatus for dry forming of paper or other sheet material of particles or fibres |
| 07/23/1981 | WO1981002031A1 A system for dry forming of paper or other sheet material of particles or fibres |
| 07/08/1981 | EP0031445A1 Process for acting upon a pre-drained fibrous tissue on a screen, and device for carrying out the process |
| 05/26/1981 | CA1101786A1 Thickener apparatus including a shaftless cylinder mold |
| 05/19/1981 | CA1101254A1 Apparatus for making fiberboard |
| 05/12/1981 | US4267017 Drainage roof for twin wire roll former |
| 03/24/1981 | CA1097967A1 Twin-wire web forming part in a paper machine |
| 03/10/1981 | CA1097117A1 Procedure and means in a paper machine for the detachment of the web from the forming wire and for its transfer in closed conduction to the press section of the paper machine |
| 02/03/1981 | CA1094854A1 Two-sided drainage in a roll-type twin-wire former |
| 12/30/1980 | CA1092403A1 Tissue paper machine |
| 12/23/1980 | US4240871 Paper forming roll construction |
| 12/16/1980 | US4239593 Multiply paperboard machine |
| 11/27/1980 | WO1980002575A1 Method and device in a paper making machine |
| 11/25/1980 | US4235667 Drainage |
| 11/18/1980 | US4234382 Former for a paper machine |
| 11/04/1980 | CA1088788A1 Double-wire paper-making machine |
| 09/23/1980 | US4224105 Apparatus for simultaneously covering each of a plurality of elongated materials with uniformly weighted pulp insulation |
| 09/23/1980 | US4224104 Paper manufacturing structure particularly for detaching a web from a wire |