| Patents for D21F 11 - Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibreboard production, on paper-making machines (5,843) |
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| 10/02/1984 | US4474720 Method of making pattern matrix having uniform backer thickness |
| 10/02/1984 | US4474645 Secondary headbox for cylinder machine |
| 09/19/1984 | EP0118552A1 Stratified composite paper product and a method of making same |
| 09/04/1984 | US4469656 Method for forming embossed acoustical tile |
| 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 |
| 08/07/1984 | US4464224 Process for manufacture of high bulk paper |
| 08/02/1984 | WO1984002873A1 Pattern matrix having uniform backer thickness |
| 07/31/1984 | US4462867 Drainage of paper fibers onto support producing strip partially embedded and partially exposed |
| 07/31/1984 | US4462866 Sheet materials |
| 07/17/1984 | CA1170880A1 Sheet materials |
| 06/19/1984 | US4455237 High bulk pulp, filter media utilizing such pulp, related processes |
| 06/19/1984 | US4455195 Fibrous filter media and process for producing same |
| 06/12/1984 | CA1168910A1 High mineral composite fine paper |
| 05/30/1984 | EP0109924A2 Process and apparatus for producing a composite web |
| 05/23/1984 | EP0109307A2 Papermaking machine |
| 05/23/1984 | EP0109282A2 Paper and method of making it |
| 05/16/1984 | EP0108381A1 Wet-end molding method and molded product |
| 05/15/1984 | US4448638 Internally delaminating fibers |
| 05/02/1984 | EP0106908A1 Multilayer filter material, process for making it and its use |
| 05/01/1984 | US4445974 Apparatus for forming a multilayer jet of paper making stock |
| 05/01/1984 | US4445970 High mineral composite fine paper |
| 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 |
| 04/03/1984 | US4440597 Wet-microcontracted paper and concomitant process |
| 04/03/1984 | CA1164703A1 Method and apparatus for use in the manufacture of paper and paperboard |
| 03/29/1984 | WO1984001176A1 Stratified composite paper product and a method of making same |
| 03/13/1984 | US4436587 Method for producing multilayer paper |
| 03/06/1984 | US4435468 Alumino-silicate |
| 02/22/1984 | EP0101319A2 Fibrous webs of enhanced bulk and method of manufacturing same |
| 02/22/1984 | EP0101203A2 Process for drying and consolidating a paper making web |
| 01/18/1984 | EP0098683A2 Apparatus for and process of treating web material |
| 01/11/1984 | EP0098148A2 Process for manufacture of high bulk paper |
| 01/11/1984 | EP0097716A1 High bulk pulp, filter media utilizing such pulp, related processes. |
| 01/03/1984 | CA1159694A1 Method for producing a high quality, water absorbent, cellulosic sheet having high surface-perceived softness |
| 12/20/1983 | US4421600 Tri-nip papermaking system |
| 12/13/1983 | US4420372 High bulk papermaking system |
| 11/08/1983 | US4413425 Method for thermal/vacuum drying a wet web of material |
| 10/11/1983 | CA1155007A1 Pattern densified fibrous web having spaced, binder impregnated high density zones, and method of making such a web |
| 09/07/1983 | EP0087453A1 Multilayered fibrous product |
| 07/26/1983 | US4395306 Method for preparing fibrous mats from a fibrous suspension |
| 07/26/1983 | CA1150472A1 System for dry forming of paper or other sheet material of particles or fibres |
| 07/21/1983 | WO1983002469A1 High bulk pulp, filter media utilizing such pulp, related processes |
| 06/28/1983 | CA1148735A1 Press-drying a cellulosic web |
| 05/24/1983 | US4384922 Installation for charging a multi-ply headbox for papermaking machines |
| 05/17/1983 | CA1146396A1 Layered paper having a soft and smooth velutinous surface, and method of making such paper |
| 04/27/1983 | EP0077385A1 Apparatus and method for producing surface molded panel. |
| 03/22/1983 | CA1143199A1 Method of and apparatus for making imprinted paper |
| 03/17/1983 | WO1983000888A1 Multilayered fibrous product |
| 03/09/1983 | EP0073668A1 Low density nonwoven sheets |
| 02/08/1983 | US4372309 Moisture absorbent pad |
| 01/19/1983 | EP0070172A1 Paper incorporating a partially embedded strip, methods for making paper and security documents |
| 01/11/1983 | CA1139143A1 Method for producing multilayer paper |
| 12/28/1982 | CA1138239A1 Heat seal fibrous web and method of its manufacture |
| 12/21/1982 | CA1137731A1 High strength glass fiber mat particularly useful for roofing products, built-up roofing membranes and systems and method of making such products |
| 11/23/1982 | US4360433 Filter elements for gas or liquid |
| 10/28/1982 | WO1982003595A1 Apparatus and method for producing surface molded panel |
| 10/26/1982 | US4356059 Drying a compacted and embossed partially-dried web on a heated creping surface |
| 10/26/1982 | US4355762 Apparatus for establishing a liquid curtain |
| 10/14/1982 | WO1982003413A1 Paper machine having a head box with a plurality of tuyeres |
| 10/05/1982 | US4352649 Apparatus for producing a non-woven web from particles and/or fibers |
| 09/14/1982 | US4349414 Method for forming a multilayer jet of paper making stock |
| 09/08/1982 | EP0059608A1 Method and apparatus for making a patterned non-woven fabric |
| 09/02/1982 | WO1982002911A1 Method and apparatus for making a patterned non-woven fabric |
| 09/01/1982 | EP0059056A1 Method for making a fibrous sheet |
| 08/17/1982 | US4344818 Air/water hybrid former |
| 08/11/1982 | EP0057212A1 Method for producing a high quality, water absorbent, cellulosic sheet having high surface-perceived softness |
| 08/10/1982 | CA1129522A1 Production quantity adjusting apparatus for corrugators |
| 08/03/1982 | US4342423 Curtain coating method |
| 07/13/1982 | US4339088 Embossing method to avoid nesting in convolutely wound rolls and product |
| 06/30/1982 | EP0054907A2 Method for producing a fine weakened tear line on paper and apparatus for its production |
| 05/25/1982 | CA1124121A1 Soft absorbent imprinted paper sheet and method of manufacture thereof |
| 05/04/1982 | CA1122882A1 Papermachine clothing having a surface comprising a bilaterally staggered array of wicker-basket-like cavities |
| 04/20/1982 | US4326000 Sanitary paper |
| 04/06/1982 | CA1121285A1 Filter elements for gas or liquid and methods of making such filters |
| 03/24/1982 | EP0047767A1 Procedure and paper machine for manufacturing creped paper web |
| 03/23/1982 | CA1120260A1 Procedure and apparatus for removing the tissue web from the pick-up fabric and carrying it over the flow-through dryer |
| 03/16/1982 | US4319407 Method and apparatus for electrostatically forming a layer of material from a slurry thereof |
| 03/10/1982 | EP0047173A2 Method and apparatus for use in the manufacture of paper and paperboard |
| 02/18/1982 | WO1982000485A1 Method for producing a high quality,water absorbent,cellulosic sheet having high surface-perceived softness |
| 02/16/1982 | CA1118258A1 Method and apparatus for forming a paper web |
| 01/19/1982 | CA1116452A1 Tissue paper machine |
| 01/12/1982 | CA1116067A1 Corrugated cardboard having thermoplastic fibrils |
| 01/06/1982 | EP0043289A2 Method and apparatus for manufacturing paper and paperboard |
| 01/05/1982 | US4309246 Papermaking apparatus and method |
| 01/05/1982 | CA1115572A1 Method and apparatus for producing corrugated combined board |
| 12/29/1981 | US4308097 Former for producing a paper web |
| 12/15/1981 | CA1114112A1 Fibrous product containing cellulosic fibers, its method of preparation and its use, in particular in the field of covering panels, in lieu of asbestos |
| 12/08/1981 | CA1113847A1 Corrugated paperboard for trim board and method of producing the same |
| 12/01/1981 | US4303472 Filter elements for gas or liquid and methods of making such filters |
| 11/24/1981 | US4302282 Creping |
| 11/17/1981 | US4300981 Layered paper having a soft and smooth velutinous surface, and method of making such paper |
| 11/10/1981 | US4299655 Foam generator for papermaking machine |
| 10/13/1981 | US4294657 Apparatus for making fiberboard |
| 10/01/1981 | WO1981002704A1 Procedure and paper machine for manufacturing creped paper web |
| 09/15/1981 | US4289580 Heat seal fibrous web and method of its manufacture |
| 08/25/1981 | US4285767 Headbox having adjustable flow passages |
| 08/25/1981 | US4285764 Method and apparatus for producing corrugated combined board |
| 08/19/1981 | EP0033988A2 Method of making a pattern densified fibrous web having spaced, binder impregnated high density zones |
| 08/18/1981 | CA1107111A1 Method and device for forming a multi-layer jet of papermaking stock |