| Patents for D21F 5 - Dryer section of machines for making continuous webs of paper (5,645) |
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| 10/14/1993 | DE4317873A1 Hollow roller used for paper-making machines - has inner channels for a heat carrier and outer coolant channels |
| 10/14/1993 | CA2089674A1 Dry end |
| 10/13/1993 | EP0565321A1 A compact convective web dryer |
| 10/07/1993 | DE4311936A1 Balancing weight positioning system for roller, drum or cylinder casing - using hard positioning pins with pointed ends for penetrating material of cylinder inside wall around central support. |
| 10/05/1993 | US5249372 Apparatus for drying a web |
| 09/30/1993 | DE4313628A1 Paper web coating assembly - has a deflection roller between two drying cylinders to bridge the gap if web is not to be treated |
| 09/29/1993 | EP0562322A1 Process for producing a decay-resistant paper for the manufacture of a pot for raising and transplanting seedlings |
| 09/29/1993 | EP0438388B1 An apparatus for maintaining the edges of a web in conformity with a dryer felt |
| 09/29/1993 | CN1076745A Paper machine dryer with both hot air and hot water |
| 09/28/1993 | US5248390 Web tip cutting arrangement for dry end of paper making machines |
| 09/22/1993 | EP0561256A1 Method in contact-free air-drying of a material web as well as a nozzle-blow-box and a pulp dryer that make use of the method |
| 09/22/1993 | EP0427752B1 A dryer apparatus and method for drying a web |
| 09/08/1993 | EP0559628A1 Method and device for drying of paper |
| 09/07/1993 | US5241761 Dryer section for a paper making machine with differing suction rolls |
| 09/07/1993 | US5241760 For drying a pressed web |
| 09/02/1993 | DE4311397A1 Paper making machine - has drying sections with suction and blow elements combined in a vertical structure towards the drying cylinders |
| 09/02/1993 | DE4309053A1 Paper-making machine - has continuous elastic belt to carry web through roller gps. to prevent web damage and distortion |
| 09/01/1993 | EP0506656B1 Temperature compensated ventilating roll |
| 09/01/1993 | CN1021981C Transper apparatus |
| 08/19/1993 | DE4310404A1 Hollow roller - has internal heating for mantle width covered by web material without heating uncovered edge zones |
| 08/19/1993 | DE4304244A1 Paper-making machine drying section |
| 08/18/1993 | EP0555334A1 Dryer apparatus. |
| 08/17/1993 | CA1321302C Journal for a hollow roll body, specifically for a drying cylinder of a paper machine |
| 08/05/1993 | WO1993015268A1 Method and apparatus for increasing the drying of a web material |
| 08/05/1993 | WO1993015267A1 Dryer cylinders |
| 08/05/1993 | DE4308305A1 Paper web heating cost effectively - uses perforated roller with inner hot stream feed to raise paper temp. before passing through press rollers |
| 08/03/1993 | US5232554 Threading the web into a twin wire dryer group |
| 08/03/1993 | US5231773 Exhaust products handling method and apparatus for a machine which applies treatment fluid to a length of material |
| 08/03/1993 | CA1320861C Isothermal cooling roll |
| 07/27/1993 | US5230169 Steam and condensate coupling for a drying cylinder in a paper machine |
| 07/27/1993 | US5230168 Vacuum generation in the pocket of a single wire dryer group |
| 07/20/1993 | CA2030723C Method and device in a paper machine |
| 07/15/1993 | DE4200608A1 Heated roller - has inner heater to give recirculating heat to compensate for heat loss |
| 07/13/1993 | US5226677 Rotary joint with extended life seal |
| 07/06/1993 | CA2040188C Aspirated syphon shoe |
| 06/29/1993 | CA2016679C Nozzle arrangement in a blow box of a paper machine |
| 06/24/1993 | DE4241400A1 Paper web take=up for drying section of paper mfg. machine - by using suction roller inner chambers with stepless control to set suction action to catch end of web at leader sides |
| 06/17/1993 | DE4141296A1 Papermaking drying section - has suction box with structured sealing bar positions to detach web and carrier belt together from the drying cylinder surface |
| 06/16/1993 | CN2136266Y Spiral wire with polyester monofilament knit edge |
| 06/15/1993 | CA2085164A1 Device for removing a web from a drying cylinder |
| 06/15/1993 | CA1319011C Method of and an apparatus for drying a fibre web |
| 06/02/1993 | CN2135015Y Electric-heating cylinder |
| 06/01/1993 | US5214861 Blow and air-conditioning device for an inverted cylinder group in the drying section of a paper machine |
| 05/27/1993 | WO1993010306A1 Apparatus for drying a web |
| 05/25/1993 | CA1318125C Method and device in on-machine coating-drying of a paper web or equivalent |
| 05/18/1993 | US5210958 Paper web drying apparatus and process |
| 05/18/1993 | CA2024990C Vacuum guide roll apparatus |
| 05/18/1993 | CA1317989C Arrangement of pressure nozzles for the treatment of webs |
| 05/11/1993 | US5208955 For forming a press gap |
| 05/06/1993 | DE4230920A1 Paper-making drying cylinder - has support bearing at journal for steam and syphon tube and steam head to prevent bending and distortion |
| 05/05/1993 | CN2131893Y Movable repairing machine for drying-cylinder in paper machine |
| 04/27/1993 | US5205052 Dryer group web transfer region for paper making machine with open draw |
| 04/27/1993 | CA1316668C Pocket ventilator |
| 04/21/1993 | EP0473675B1 Improvement of drying cylinders in cardboard- and paper- manufacturing plants |
| 04/14/1993 | EP0345291B1 Apparatus for drying a web |
| 04/07/1993 | EP0536098A1 Heat exchanger fluid removal system |
| 04/02/1993 | CA2075578A1 Heat exchanger fluid removal system |
| 03/31/1993 | EP0533889A1 Method and apparatus for the reduction of distance-dependent voltage increase of parallel high-frequency electrodes. |
| 03/31/1993 | EP0393110B1 Apparatus for heat treatment of material, particularly infra-red radiation of a continuous paper web in a paper machine |
| 03/31/1993 | CN1070443A Electrothermal drying cylinder |
| 03/30/1993 | US5197203 Drying equipment having a fire prevention system |
| 03/23/1993 | CA2013219C Method and apparatus for ventilation in a multi-cylinder dryer of a paper machine or the like |
| 03/17/1993 | EP0532486A1 Arrangement of nozzles with negative pressure for the treatment of webs |
| 03/16/1993 | CA1314394C Mechanical drying process applicable to papermaking |
| 03/10/1993 | EP0401325B1 Roller with rotary shell |
| 03/09/1993 | CA2011805C Leading roll for a foraminous belt, e.g. for a dryer fabric of a paper machine |
| 03/04/1993 | DE4128655A1 Method of affecting end dia. of heated rollers - used in e.g. paper polishing and super-calender assemblies, comprises blocking heat loss by having external insulation at end zones |
| 03/03/1993 | EP0530164A1 Grouping of cylinders in the drying section of a paper machine |
| 02/24/1993 | EP0528510A1 Rotary joint with extended life seal |
| 02/24/1993 | CN1069330A Rotary joint with extended life seal |
| 02/23/1993 | CA1313788C Transfer apparatus |
| 02/10/1993 | CA2064521A1 Rotary joint with extended life seal |
| 02/09/1993 | US5185063 Method of and apparatus for cutting a lead-in strip of a paper web |
| 02/09/1993 | US5184408 Machine for manufacturing fiber webs |
| 02/07/1993 | CA2076234A1 Arrangement for the transfer of a traveling web |
| 02/03/1993 | EP0345266B1 Apparatus for drying a web |
| 01/28/1993 | DE4124648A1 Paper-making drying groups - has web transfer between fourdrinier(s) without change of direction |
| 01/21/1993 | DE4222815A1 Paper-making suction roller - has inner paddles to prevent dissipation of suction flow through the perforated mantle |
| 01/16/1993 | CA2047047A1 Paper web drying apparatus and process |
| 01/12/1993 | US5177880 Dryer section with inclined rows of dryers |
| 01/12/1993 | CA1312464C Combination infrared and airborne drying of a web |
| 01/05/1993 | US5175945 Apparatus for drying a web |
| 12/22/1992 | US5172491 Paper machine cylinder |
| 12/22/1992 | CA2023854C Drying section apparatus for a paper making machine |
| 12/15/1992 | US5170589 Method for reconditioning of the sealing face on a drying cylinder of a paper machine and device for reconditioning of the sealing face |
| 12/09/1992 | EP0517286A2 Apparatus for drying a web |
| 12/09/1992 | CN1019406B Process for restrained drying of paper web |
| 12/08/1992 | US5169501 Arrangement for transferring a web from the press section to the dryer section of a paper machine |
| 12/08/1992 | CA1311119C Method of drying a paper board or paper web |
| 11/26/1992 | WO1992020860A1 Process and device for drying a web of paper, cardboard and similar materials |
| 11/25/1992 | EP0515299A1 Improvements in the procedure for heating calenders |
| 11/24/1992 | US5165471 Heat exchanger fluid removal system |
| 11/17/1992 | US5163236 Method and apparatus for drying webs |
| 11/17/1992 | CA2002914C Heating or cooling roller |
| 11/17/1992 | CA1310182C Process for drying a material web and device for the application of the process |
| 11/11/1992 | EP0128202B1 Method and apparatus for uniformly drying moving webs |
| 11/11/1992 | CN2121475U Two-purpose hot wind, hot water paper machine drying cylinder |
| 11/03/1992 | US5160593 Apparatus and method for removing liquid from liquid bearing material |
| 10/29/1992 | WO1992018693A1 A method and a device of treating a continuous material web |
| 10/16/1992 | WO1992019082A1 Method and apparatus for the reduction of distance-dependent voltage increase of parallel high-frequency electrodes |