| Patents for D21F 7 - Other details of machines for making continuous webs of paper (7,211) |
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| 07/31/1991 | EP0439280A1 Structure for extracting water from a paper web in a papermaking process |
| 07/30/1991 | CA1286901C Air shower apparatus and method |
| 07/23/1991 | US5034100 Stationary drainage device with pressure roll |
| 07/17/1991 | EP0437232A1 Wet circuit of a paper making press with centrifugal dewatering of the press felt |
| 07/17/1991 | CN1013212B Bearing blanket for extended press |
| 07/16/1991 | US5032228 Papermaking |
| 07/16/1991 | CA1286135C Method for seaming a papermaker's fabric |
| 07/02/1991 | US5027483 Apparatus for selectively releasing yarns from a fringe |
| 06/26/1991 | EP0434325A1 Control of opacity of a moving non-woven sheet |
| 06/25/1991 | US5026458 Measuring basis weight and speed before winding on reel, calculating weight at reel, adjusting speed |
| 06/25/1991 | CA1285193C Control valve for a steam box |
| 06/25/1991 | CA1285131C Equipment for unraveling threads from a fabric |
| 06/11/1991 | US5023132 Polyamide or nylon filaments |
| 06/11/1991 | US5022166 Flutter suppression air foils |
| 06/04/1991 | US5020469 Cross-directional steam application apparatus |
| 06/04/1991 | US5020245 Steam shower vacuum apparatus |
| 05/30/1991 | WO1991008340A1 Paper machine felts |
| 05/29/1991 | EP0428559A1 An apparatus for cutting a tail from a web. |
| 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 |
| 05/07/1991 | US5012594 Web drying unit |
| 04/30/1991 | US5011573 Method and apparatus for control of dry-line on the wire of a fourdrinier paper machine |
| 04/23/1991 | US5009748 Process and system for controlling the basis weight of a sheet material |
| 04/23/1991 | CA1283284C Roller caliper gauge |
| 04/10/1991 | EP0421911A2 A transfer apparatus for transferring a tail of a web |
| 04/10/1991 | CN1050580A Application of supperheated steam |
| 04/09/1991 | US5006399 Planar textile structure |
| 04/09/1991 | US5005610 Papermaking fabric pin seam with braided yarns in joining loops |
| 04/04/1991 | DE4029487A1 Coated paper drying - using blown air to form air cushion to carry web through dryers without contact |
| 03/27/1991 | EP0418444A1 Drying cylinder particularly for paper-making machines |
| 03/26/1991 | US5002801 Coating with foamed resin, drying, curing |
| 03/26/1991 | CA2026098A1 Method and device for guiding the paper web in a coating machine |
| 03/21/1991 | WO1991003359A1 An apparatus for cutting a moving paper sheet by means of a water jet |
| 03/20/1991 | WO1991004374A1 Press section dewatering fabric |
| 03/19/1991 | CA1281569C Papermaker's felt utilizing special web-making techniques to avoid vibration |
| 03/05/1991 | US4997524 Method and apparatus for transport of a web to be threaded |
| 02/27/1991 | EP0413869A2 Press fabrics |
| 02/27/1991 | CN1011799B Dryer felt run |
| 02/26/1991 | WO1991002945A1 Method and instrument for nonlinear averaging compensated measurements |
| 02/26/1991 | CA2065018A1 Method and instrument for nonlinear averaging compensated measurements |
| 02/19/1991 | CA1280339C Forming fabric structure to resist rewet of the paper sheet |
| 02/19/1991 | CA1280308C Air heater for a calender roll diameter controller |
| 02/13/1991 | EP0412305A2 Apparatus for controlling the thickness of a web passing through a press nip |
| 02/05/1991 | US4990784 Nonlinear averaging compensated measurements |
| 02/05/1991 | US4990751 Drier drum, in particular for papermaking machines |
| 01/29/1991 | US4988409 Press felt with asymetric fiber crosssection in a surface layer of lowest permeability |
| 01/29/1991 | CA1279555C Method of manufacturing an insertion-type seam for making a cloth beltendless, and seaming machine |
| 01/24/1991 | DE4020501A1 Pinned press, felt for dewatering cellulose pulp |
| 01/23/1991 | EP0408894A2 Method for regulation and on-line measurement of the fibre orientation in a web produced by means of a paper machine |
| 01/22/1991 | US4985970 Seaming machine to manufacture an insertion-type seam for making a cloth belt endless |
| 01/22/1991 | CA1279361C Drive system |
| 01/16/1991 | EP0407887A2 Polyphenylensulfide monofil for papermachine fabric |
| 01/15/1991 | US4984622 Apparatus for supplying temperature regulated air to a calender roll |
| 01/15/1991 | CA1278935C Evaporative-cooling apparatus and method for the control of web or web-production machine component surface temperatures |
| 01/02/1991 | EP0405213A2 A moisturising device for a web of sheet material, in particular paper |
| 01/02/1991 | EP0405034A2 Endless fabric |
| 12/19/1990 | EP0402448A1 Seam construction for papermaking fabrics |
| 12/18/1990 | US4977687 Drip free steambox |
| 12/13/1990 | WO1990015185A1 A device for removing waste paper that falls under a paper machine |
| 12/05/1990 | EP0401188A2 Control system for a paper or board machine |
| 11/29/1990 | WO1990014216A1 Calendering control system |
| 11/28/1990 | EP0399674A2 Jointing of fabric ends |
| 11/28/1990 | EP0399522A2 Creped tissue web and method of making same |
| 11/28/1990 | EP0399301A2 Felt for papermaking machine |
| 11/27/1990 | WO1990014465A1 Forming fabric having a nonwoven surface coating |
| 11/27/1990 | US4973512 Press felt for use in papermaking machine |
| 11/27/1990 | US4972561 Method of producing an angled pin seam in a papermakers felt |
| 11/22/1990 | EP0269691B1 Fixation device |
| 11/20/1990 | US4970805 Transfer apparatus for transferring a tail of a web |
| 11/13/1990 | US4969360 System for measuring the cyclic speed and rotational position of a traveling looped belt |
| 11/08/1990 | DE4013485A1 Web end feed |
| 11/01/1990 | WO1990012920A1 Application of superheated steam |
| 10/25/1990 | WO1990012918A1 Paper machine felts |
| 10/24/1990 | EP0290428B1 Control valve for a steam box |
| 10/23/1990 | US4965736 Cross-directional control of sheetmaking systems |
| 10/17/1990 | EP0392682A2 Paper machine pressing fabrics |
| 10/10/1990 | WO1991003600A1 Improvements in the manufacture of web materials |
| 10/10/1990 | CA2066232A1 Manufacture of web materials |
| 10/09/1990 | CA1274998A1 Method for the manufacture of a press felt and a press felt |
| 10/03/1990 | EP0390686A2 Control system for sheetmaking |
| 09/30/1990 | CA2013454A1 Control method for sheetmaking |
| 09/25/1990 | US4958673 Papermaking machine and a seamed papermaker's fabric |
| 09/19/1990 | EP0250421B1 A flat structure permeable to liquid, and a method for manufacturing such a structure |
| 09/18/1990 | CA1274108A1 Frame construction and method in a paper machine press section for facilitating replacement of press rolls and fabrics |
| 09/11/1990 | US4956050 Method for attenuation of the machine direction pressure pulsations in the headbox in paper and board machines |
| 09/11/1990 | CA1273838A1 Protective flap for the seam in needle-felts for industrial use |
| 09/05/1990 | WO1990010165A1 Improvements in or relating to papermakers and like fabrics |
| 08/28/1990 | US4952280 Measuring flocculation; automatic; computers |
| 08/28/1990 | CA1273196A1 Dryer felt run |
| 08/22/1990 | CN2060784U Micro-computer controller for regulating consistency of cylinder machines of paper |
| 08/22/1990 | CN1009290B Control valve for steam box |
| 08/14/1990 | US4948646 Hinge means connecting felt seams; covering configured as flap and support |
| 08/14/1990 | US4948465 Using an actuator for lifting roll in contact with felt |
| 08/14/1990 | CA1272631A1 Drainage belt for presses in the wet section of a paper machine |
| 08/07/1990 | US4945655 Apparatus for cutting a tail from a web |
| 08/07/1990 | US4945654 Application of superheated steam |
| 08/07/1990 | US4945612 System and a method for joining the ends of a band-shaped elongate element |
| 08/01/1990 | EP0380427A2 Cross-directional smoothness controller and method of using same |
| 08/01/1990 | EP0380413A2 Cross-directional steam application apparatus |
| 08/01/1990 | EP0248866B1 Method and apparatus for the levelling of the humidity profile of a continuous web by dielectric drying |
| 07/26/1990 | DE3900858A1 Roll |