| Patents for D21F 5 - Dryer section of machines for making continuous webs of paper (5,645) |
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| 12/20/1991 | CA2044757A1 Process and apparatus for dehumidifying wet air |
| 12/19/1991 | DE4018882A1 Paper-making drying section - has structured path for paper web and blankets between the guide rollers in a row between two banks of drying cylinders |
| 12/10/1991 | US5070626 Arrangement for a process plant arranged for the heat treatment of strip-shaped products |
| 12/03/1991 | US5068980 Pocket sealing strip arrangement in a single-wire drying group |
| 11/28/1991 | DE4016823A1 Heating medium for e.g. calender rollers - low melting point metal located in annular space inside hollow roller which contains heater and inert gas to inhibit oxidn. |
| 11/19/1991 | US5065529 Apparatus for drying a web |
| 11/19/1991 | CA2042320A1 Single wire dryer group with adjustable reversing rolls |
| 11/12/1991 | US5064503 Combination comprising the press section and the initial part of the drying section in a paper making machine |
| 11/12/1991 | US5063689 Single wire dryer group with adjustable reversing rolls |
| 11/06/1991 | CN2088117U Cylinder end cap of paper-making machine |
| 11/05/1991 | US5062216 Single tiered multi-cylinder paper dryer apparatus |
| 11/05/1991 | CA1291641C Dryer roll |
| 10/30/1991 | EP0263136B1 Floater dryer and procedure for enhancing its operation |
| 10/29/1991 | US5060397 Apparatus for heat treatment of material, particularly infra-red radiation of a continuous paper web in a paper machine |
| 10/24/1991 | DE4012421A1 Paper-making drying section in paper making machine - has compressed air directed at free side of the web in a free path to reduce shrinkage unevenness |
| 10/24/1991 | DE4012419A1 Two-phase mixt. vol flow measuring appts. - useful for measuring heat consumption of paper drying cylinder |
| 10/22/1991 | CA1290938C Insulating apparatus |
| 10/15/1991 | CA2040507A1 Web and support belt separation for dry end of paper machine |
| 10/15/1991 | CA1290818C Heating apparatus for heating a calender roll |
| 10/02/1991 | EP0448947A1 Method of drilling of holes into the mantle of a cylinder in a paper machine and equipment for use in the method |
| 10/02/1991 | CN1014158B Paper web dryers for preventing sheet flutter |
| 10/02/1991 | CN1014157B Blow box for dryer |
| 10/01/1991 | US5052197 Apparatus for flow-through treatment of textile material, paper or the like |
| 09/24/1991 | US5050317 Drying end for a machine for manufacturing fiber webs |
| 09/24/1991 | CA1289354C Arrangement in the drying section of a paper machine |
| 09/18/1991 | EP0447385A1 Suction beam in the area of single-wire draw in the drying section of a paper machine or equivalent |
| 09/17/1991 | US5048200 Process and apparatus for dehumidifying wet air |
| 09/17/1991 | CA1289219C Temperature compensated moisture sensor |
| 09/11/1991 | EP0445487A1 Apparatus for drying a web |
| 09/11/1991 | CN1054458A Apparatus for drying web |
| 09/10/1991 | US5046944 Infra-red generation |
| 09/10/1991 | US5046266 Multi-cylinder dryer with twin-wire draw and web transfer between the cylinder groups |
| 09/10/1991 | CA1288676C Arrangement for sealing a chamber containing pressure medium |
| 09/10/1991 | CA1288588C Web transfer apparatus |
| 09/04/1991 | EP0444316A2 Method and device in the cutting of the leader of a paper web |
| 09/03/1991 | US5044095 Method and apparatus for ventilation in a multi-cylinder dryer of a paper machine or the like |
| 09/03/1991 | US5044094 Drying section apparatus for a paper making machine |
| 08/28/1991 | EP0305433A4 Method for manufacturing a mineral panel |
| 08/21/1991 | CN1013598B Method and apparatus for drying paper web |
| 08/14/1991 | WO1991012370A1 Arrangement for guiding a web from the press part to the dryer part of a papermaking machine |
| 08/14/1991 | EP0288524B1 Procedure and means for drying moving web material |
| 08/14/1991 | CA2050894A1 Arrangement for transferring a web from the press section to the dryer section of a paper machine |
| 07/31/1991 | EP0438388A1 An apparatus for maintaining the edges of a web in conformity with a dryer felt. |
| 07/23/1991 | US5033207 Device for drying a material web |
| 07/23/1991 | CA1286498C Direct fired cylinder dryer |
| 07/17/1991 | EP0436569A1 A tail cutter apparatus and method. |
| 07/16/1991 | US5031338 Vacuum roll transfer apparatus |
| 07/03/1991 | EP0434715A1 Intermediate vacuum roll for dryer |
| 06/26/1991 | EP0433295A1 Vacuum roll transfer apparatus. |
| 06/21/1991 | WO1991009173A1 Temperature compensated ventilating roll |
| 06/19/1991 | EP0432571A2 Suction roll for a paper machine and a method for producing a desired pressure profile for a suction roll |
| 06/19/1991 | EP0432474A2 Device for reconditioning of a sealing face on a drying cylinder of a paper machine |
| 06/18/1991 | US5024596 Infra-red equipment |
| 06/18/1991 | US5024266 Heated roll |
| 06/11/1991 | US5022163 Method and device for drawing a web through a group of drying cylinders |
| 06/04/1991 | US5021136 Apparatus and method for removing liquid from liquid bearing material |
| 06/04/1991 | US5020242 Guide roll for a porous belt |
| 05/29/1991 | EP0428768A1 Dryer section of machines for making webs of fibrous materials |
| 05/29/1991 | EP0428559A1 An apparatus for cutting a tail from a web. |
| 05/28/1991 | US5019230 Apparatus and method for removing liquid from liquid bearing material |
| 05/28/1991 | US5019213 Method and apparatus in the drying section of a paper making machine for speeding the threading of a paper or paperboard web |
| 05/22/1991 | EP0428471A2 A vacuum guide roll apparatus |
| 05/22/1991 | EP0428470A2 Felt turning roll |
| 05/22/1991 | EP0427887A1 A coater apparatus |
| 05/22/1991 | EP0427752A1 A dryer apparatus and method for drying a web. |
| 05/21/1991 | US5016363 Device for float-conveying of webs of material |
| 05/15/1991 | EP0427218A2 Drying system |
| 05/15/1991 | EP0427217A2 Drying system |
| 05/15/1991 | CN1051405A Transper apparatus |
| 05/14/1991 | US5015336 Felt turning suction roll |
| 05/08/1991 | EP0426607A2 A transfer apparatus |
| 05/07/1991 | US5012594 Web drying unit |
| 04/30/1991 | US5011573 Method and apparatus for control of dry-line on the wire of a fourdrinier paper machine |
| 04/24/1991 | EP0302884A4 Belt and drum pressing apparatus and heated drum for the same |
| 04/23/1991 | US5009016 Method for on-machine coating-drying of a paper web or the like |
| 04/11/1991 | DE4029098A1 Fabric drying cylinder shroud - has dividing wall with additional heating system to transfer convected heat to drying gas |
| 04/10/1991 | EP0421911A2 A transfer apparatus for transferring a tail of a web |
| 04/07/1991 | WO1991005213A1 High turndown rotary dryer flights |
| 04/04/1991 | DE4029488A1 Paper web contactless drying - uses thermal energy from recovered coolant air from infrared dryer for under side of floating dryer |
| 04/04/1991 | DE4029487A1 Coated paper drying - using blown air to form air cushion to carry web through dryers without contact |
| 04/03/1991 | EP0298075B1 Preventing sheet flutter in paper web dryers |
| 04/03/1991 | CA2026241A1 Papermaking machine in which the paper web is supported in the draw between the press and dryer sections |
| 03/27/1991 | EP0418444A1 Drying cylinder particularly for paper-making machines |
| 03/27/1991 | EP0418317A1 A process for the restrained drying of a paper web. |
| 03/26/1991 | US5002638 Papermaking machine in which the paper web is supported in the draw between the press and dryer sections |
| 03/26/1991 | CA2026098A1 Method and device for guiding the paper web in a coating machine |
| 03/26/1991 | CA2026045A1 Method for contact-free drying of a paper or board web |
| 03/26/1991 | CA1282088C Journal mounted rotary joint |
| 03/21/1991 | WO1991004373A1 Support structure for the fastening of a steam chest |
| 03/19/1991 | CA1281567C Heat treatment of paper products |
| 03/16/1991 | CA2025408A1 Hood for a contact drying cylinder |
| 03/06/1991 | EP0415900A1 Device in drying section of paper machine |
| 03/06/1991 | EP0415460A2 Device in the drying section of a paper machine |
| 03/05/1991 | US4996782 Nozzle arrangement in a blow box or pipe of a paper making machine |
| 02/27/1991 | CN1011799B Dryer felt run |
| 02/14/1991 | DE3926600A1 Stiff lightweight roller - has inner spiral plate giving coils within inner tube |
| 02/13/1991 | CN1049219A Pressure treatment of strip material and heat-treated rod |
| 02/12/1991 | US4992142 Method for determining amplitude and frequency of web flutter |
| 02/06/1991 | EP0411427A2 Roll for heat and pressure treatment of web material |
| 02/05/1991 | US4990751 Drier drum, in particular for papermaking machines |