| Patents for D21F 5 - Dryer section of machines for making continuous webs of paper (5,645) |
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| 02/13/1990 | US4899461 Method of drying a paper board or paper web |
| 02/08/1990 | WO1990001085A1 A dryer apparatus for drying a web |
| 02/07/1990 | EP0302051B1 A blow box for a dryer |
| 02/07/1990 | CN1039460A Process for restrained drying of paper web |
| 01/23/1990 | CA1264589A1 Heatable glazing or calendering roll |
| 01/16/1990 | US4893416 Apparatus for the contactless guiding of webs of material |
| 01/09/1990 | US4891891 Dryer section apparatus and method |
| 01/03/1990 | EP0349202A2 A method of and an apparatus for drying a fibre web |
| 01/03/1990 | EP0348412A1 Arrangement for an exhaust in a plant arranged for the heat-treatment of products in form of a continuous strip |
| 01/03/1990 | CN2050445U Paper-making machine drying cylinders hot-blast cover |
| 12/26/1989 | US4888883 Drawing a web through a multi-cylinder drying section |
| 12/20/1989 | EP0346659A2 Papermaking machine in which the paper web is supported in the draw between the press and dryer sections |
| 12/19/1989 | US4887362 Method and an apparatus for drying a paper web or the like |
| 12/14/1989 | WO1989012138A1 A process for the restrained drying of a paper web |
| 12/13/1989 | EP0345291A1 Apparatus for drying a web. |
| 12/13/1989 | EP0345266A1 Apparatus for drying a web. |
| 11/29/1989 | EP0344088A2 A transfer apparatus |
| 11/29/1989 | CN2048483U Drying groups of paper making machine driven by guide roll |
| 11/28/1989 | US4882855 Dryer section for drying a running web in a paper or board making machine |
| 11/28/1989 | US4882854 Guide roll apparatus for a dryer of a paper machine drying section |
| 11/28/1989 | US4882852 Procedure and means for drying moving web material |
| 11/23/1989 | DE3153463C2 Heatable polishing stack roll or calender roll |
| 11/21/1989 | US4881327 Dryer section |
| 11/21/1989 | CA1263045A1 Method for subjecting a sector in a roll to negative pressure as well as a suction roll |
| 11/15/1989 | EP0341248A1 Method and apparatus for control of dry line on the wire of a fourdrinier paper machine. |
| 11/14/1989 | US4880502 Press drying apparatus with deflection control and blow box cooling |
| 11/08/1989 | CN2047271U Automatic paper guide |
| 11/07/1989 | US4878299 Insulating apparatus for thermally insulating a dryer head |
| 11/01/1989 | CN1036808A Roll or cylinder for paper machine or paper finishing machine |
| 10/31/1989 | US4877503 Electrodes of movable endless belts to create electrostatic field |
| 10/31/1989 | US4877487 Belt and drum-type press with supplemental nip loading means |
| 10/31/1989 | US4876803 Dryer apparatus for drying a web |
| 10/24/1989 | US4875976 Transfer apparatus from press section to drying section |
| 10/24/1989 | US4875297 Device for treating a material web |
| 10/18/1989 | EP0337973A2 Method and device in the press treatment of a paper web |
| 10/11/1989 | CN1005421B Method for drying paper and paper sheet using super-heated steam, and the drier therefor |
| 10/10/1989 | US4873407 Dielectric cross machine moisture control |
| 10/04/1989 | EP0334899A1 Apparatus for sequentially drying both sides of a paper web. |
| 09/26/1989 | CA1261141A1 Dryer section drive arrangement for paper making machines |
| 09/26/1989 | CA1261140A1 Paper making machine dryer section drive |
| 09/26/1989 | CA1260700A1 Paper web drying including cooling of fabric |
| 09/21/1989 | DE3807858A1 Process for drying a material web and apparatus for carrying out this process |
| 09/20/1989 | EP0333688A2 Roll or cylinder for a paper machine or for a paper finishing machine |
| 09/13/1989 | EP0332599A2 Method and device in the draw of the web in the area of single-wire draw in the drying section of a paper machine and a cylinder used in the draw of the web |
| 08/29/1989 | US4861261 Method of operating a gas-infrared radiator, and the gas-infrared radiator |
| 08/15/1989 | US4856205 Air guide box for the drying section of a high-speed paper machine |
| 08/10/1989 | DE3901378A1 Method for the regulation, control and/or monitoring of a web coating drying unit |
| 08/09/1989 | CN1034596A Endless drying equipment for paper machine |
| 08/08/1989 | US4854052 Floater radiation dryer |
| 08/02/1989 | EP0326348A1 A method of drying a paper board or paper web |
| 07/27/1989 | DE3901619A1 Drying section in a paper or board machine and method for guiding a paper web herein |
| 07/25/1989 | US4850121 Dryer felt run |
| 07/19/1989 | CN2041322U Automatic controller for paper humidity and drying cylinder temp. |
| 07/18/1989 | US4848633 Non-contact web turning and drying apparatus |
| 07/05/1989 | CN2040504U Oven drying device for making paper |
| 06/29/1989 | WO1989005883A1 Apparatus for heat treatment of material, particularly infra-red radiation of a continuous paper web in a paper machine |
| 06/28/1989 | EP0321986A2 Drying section in a paper making machine |
| 06/22/1989 | DE3744799A1 Arrangement for a process installation for the heat treatment of web-like products |
| 06/15/1989 | WO1989005375A1 An apparatus for maintaining the edges of a web in conformity with a dryer felt |
| 06/06/1989 | US4835881 Dryer section apparatus |
| 06/01/1989 | WO1989004890A1 Method and device in on-machine coating-drying of a paper web or equivalent |
| 05/30/1989 | CA1254736A1 System for distributing steam on a paper web |
| 05/30/1989 | CA1254735A1 Apparatus in a drying section of a paper machine |
| 05/18/1989 | DE3835641A1 Method and device for the control and/or monitoring of the drying process of a Yankee cylinder |
| 05/17/1989 | EP0315961A2 Apparatus for forcing a treating material through a textile material |
| 05/17/1989 | CN2037744U Directly-heating stoving apparatus for papermaking |
| 05/16/1989 | US4830651 Infra-red generation |
| 05/10/1989 | EP0314718A1 Device for float conveying of material webs. |
| 05/10/1989 | EP0174945B1 A method for controlling shrinkage and/or stretching of a paper web in the drying section of a 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 |
| 05/10/1989 | CN2037373U Cylinder smooth roll device for paper machine |
| 05/09/1989 | CA1253685A1 Method and apparatus for drying a moist fibre web |
| 05/03/1989 | EP0313806A1 Process and apparatus for stabilizing the flatter of edges of free moving webs guided over cylinders |
| 05/03/1989 | CN2036964U Special purpose steam box for paper machine |
| 04/27/1989 | DE3734524A1 Bearing journal for a hollow roll body, especially for a drying cylinder of a paper machine |
| 04/25/1989 | US4823477 Method and apparatus for the levelling of the humidity profile of a continuous web by dielectric drying |
| 04/18/1989 | US4821429 Air guide box for stabilizing the run of a web, for instance a paper web |
| 04/13/1989 | DE3736520C1 Method and device for stabilising the flutter-prone edges of material webs guided with a free draw over rolls |
| 04/11/1989 | US4820947 Bearing and ring-shaped drive motor enclosed in common housing |
| 04/11/1989 | CA1252288A1 Method and apparatus for supporting the web in high- speed machines |
| 04/06/1989 | WO1989002953A1 Arrangement of pressure nozzles for the treatment of webs |
| 03/28/1989 | US4815220 Web transfer apparatus |
| 03/21/1989 | US4813156 Papermachine and like fabrics |
| 03/08/1989 | EP0305433A1 Method for manufacturing a mineral fibre panel. |
| 03/08/1989 | EP0305366A1 Arrangement for drying a running web |
| 03/07/1989 | US4809445 Device for stabilizing the run of a material web, specifically for stabilizing a paper web in the drying section of a paper machine |
| 02/28/1989 | US4807371 Apparatus for maintaining the edges of a web in conformity with a dryer felt |
| 02/28/1989 | CA1250424A1 Method of and a device for drying a paper web or the like |
| 02/23/1989 | WO1989001073A3 A dryer section apparatus |
| 02/22/1989 | EP0303592A1 Dryer felt run |
| 02/15/1989 | EP0302884A1 Belt and drum pressing apparatus. |
| 02/09/1989 | WO1989001073A2 A dryer section apparatus |
| 02/09/1989 | DE3822624A1 Apparatus for the contactless guidance of material webs |
| 02/08/1989 | EP0302051A1 A blow box for a dryer. |
| 02/07/1989 | CA1249719A1 Automatic minimum differential pressure control for dryer cylinders |
| 02/07/1989 | CA1249718A1 Siphon for use in paper or cardboard machine dryers |
| 01/24/1989 | US4799318 Arrangement in the drying section of a paper machine |
| 01/18/1989 | EP0160060B1 Drying cylinder for a web material machine, particularly a paper machine |
| 01/11/1989 | EP0298299A1 Device for the contactless guiding of webs |
| 01/11/1989 | EP0298075A1 Preventing sheet flutter in paper web dryers. |
| 01/10/1989 | US4796525 Press nip formed by a deflection-controlled roll in conjunction with a temperature-controlled roll |