| Patents for D21G 3 - Doctors (1,456) |
|---|
| 07/06/1994 | EP0604521A1 A method of and a device for adjusting creping conditions. |
| 06/09/1994 | WO1994012349A1 Apparatus for cleaning objects in movement |
| 06/01/1994 | EP0598737A1 Method and apparatus for calendering paper with internally heated roll. |
| 05/31/1994 | CA2009311C Double doctor for a paper machine and method for adjustment of same |
| 05/04/1994 | EP0489738B1 Method and apparatus for treating fiber suspension |
| 05/04/1994 | CA2102262A1 Method for cleaning rolls and cleaning apparatus for rolls |
| 03/30/1994 | EP0589017A1 A mounting assembly |
| 03/15/1994 | CA2062957C Method and apparatus for treating fibre suspension |
| 03/09/1994 | CN1083556A Scraper for paper machine |
| 03/03/1994 | WO1994004348A1 Increasing creping blade load and maintaining blade angle |
| 03/03/1994 | DE4336271A1 Papermaking web blower system - has a barrier in front of jets to fill the space between the web and blower system. |
| 02/03/1994 | WO1994002285A1 Pivoting polishing block for use in apparatus for cleaning and polishing roll assemblies |
| 02/01/1994 | CA1326593C Device for measuring the deflection of elongate components |
| 01/18/1994 | US5279710 Doctor blade supporting structure |
| 12/29/1993 | CN2151168Y Binded superlength EPGC1 board cutter |
| 12/14/1993 | US5269846 Deflection-compensated doctor blade beam |
| 11/25/1993 | WO1993023618A1 Polishing doctor for paper calender |
| 11/23/1993 | US5264138 Method and apparatus for treating a fiber suspension |
| 11/14/1993 | WO1993023617A1 Method and apparatus for calendering paper with internally heated roll |
| 10/28/1993 | WO1993021380A1 A mounting assembly |
| 09/16/1993 | WO1993017795A1 Pressure strip for coating device |
| 09/16/1993 | DE4207731A1 Abstuetzleiste fuer eine beschichtungsvorrichtung Support bar for a coating device |
| 09/16/1993 | CA2102287A1 Pressure strip for coating device |
| 08/17/1993 | CA1321309C Doctoring apparatus |
| 08/05/1993 | DE4308302A1 Coating scraper assembly - has bed exchange action without discarding holding blades and without dismantling |
| 07/27/1993 | US5230775 Blade edge loading control for doctoring apparatus |
| 07/21/1993 | EP0551327A1 Longitudinal compressive treatment of web materials |
| 06/24/1993 | DE4303315A1 Paper-making roller scraper - acts together with moist air to reduce blade wear |
| 06/03/1993 | DE4139105A1 Use of zirconium di:oxide ceramic contg. spinel, magnesium and/or yttrium oxide(s) - as wear part in paper machines, as wire and thread take-up parts, and as high pressure pistons in fluid pumps |
| 05/27/1993 | DE4141133C1 Support beam for doctor blade bearing on dry cylinder - comprises elongated hollow body having 2 or more convex curved longitudinal walls and composed of composite fibre material e.g. carbon@ fibres |
| 04/01/1993 | WO1993006300A1 A method of and a device for adjusting creping conditions |
| 04/01/1993 | CA2117082A1 A method of and a device for adjusting creping conditions |
| 03/24/1993 | EP0533035A1 Apparatus for coating a fibrous web |
| 03/23/1993 | CA1314746C Holding arrangement for a device directed against a linearly adjustable roll, such as a doctor blade, blowing device or similar |
| 03/20/1993 | CA2078735A1 Device for applying coating color to a fiber web |
| 03/18/1993 | WO1993005229A1 Apparatus for adjusting the creping conditions |
| 02/23/1993 | CA1313728C Apparatus for cleaning a porous cover |
| 02/11/1993 | DE4234448A1 Paper-making belt cleaner - has rotating body with pliable surface to penetrate irregular structure of belt surface |
| 01/12/1993 | US5178731 Doctor for a suction roll |
| 12/29/1992 | US5174862 Resurfacing while in use |
| 12/15/1992 | US5171404 Producing finished paper with high gloss and smoothness at high speed |
| 12/02/1992 | EP0515747A1 Blade edge loading control for doctoring apparatus |
| 10/21/1992 | EP0509561A2 Method and apparatus for treating fiber suspension |
| 09/17/1992 | DE4108167A1 Paper-making drying cylinder - has blowers at the scraper to detach clinging waste to be passed to the sides for collection |
| 08/27/1992 | DE4105674A1 Roller cleaner - has open-pored fibre material round a hollow body charged with a cleaning fluid, used in e.g. calenders, polishers |
| 08/18/1992 | US5139618 Cleaning device for paper machine rollers |
| 08/18/1992 | US5138740 Doctor blade and blade to blade connector for pull through blade transfer system |
| 07/29/1992 | EP0496139A1 Doctoring device for papermaking machine |
| 06/02/1992 | US5117540 Longitudinal compressive treatment of web materials |
| 06/02/1992 | CA1302023C Method and apparatus for extracting dust that is released when creping off a paper web |
| 05/20/1992 | EP0485597A1 Doctor apparatus |
| 05/05/1992 | US5110415 Composite doctor blade assembly for pulp or papermaking machine doctors |
| 04/30/1992 | WO1992006796A1 Doctor blade for use in coating continuous strips of material or similar substrates |
| 04/30/1992 | CA2071948A1 Doctor blade for use in coating continuous strips of material or similar substrates |
| 04/28/1992 | US5108794 Method for compensation of doctor blade deflection |
| 04/23/1992 | DE4033481A1 Rakelelement zum beschichten von warenbahnen oder aehnlichem Blade element of the coat were tracks or the like |
| 04/02/1992 | WO1992005306A1 Longitudinal compressive treatment of web materials |
| 03/03/1992 | US5092961 Of press roll of papermaking machine with pressurized air or water |
| 02/13/1992 | DE4025106A1 Calender roller scraper beam - has bar extending close to other roller to improve access to rollers and doctor blade |
| 01/21/1992 | US5081950 Coating device |
| 12/18/1991 | EP0462090A1 Method and doctor construction for removing water out of perforations in a suction roll |
| 11/19/1991 | US5066364 Blade edge loading control for pull through doctor blade transfer system |
| 11/16/1991 | WO1991018147A1 Doctor blade supporting structure |
| 10/30/1991 | EP0454404A1 A doctor blade and a method of fastening the same on pulp or papermaking machine doctors |
| 10/30/1991 | EP0454403A1 A doctor blade with integral mounting means and a method of making the same |
| 10/29/1991 | US5061087 Bearing apparatus for a doctor journal |
| 10/24/1991 | CA2039301A1 Composite doctor blade and a method of fastening the same on pulp or papermaking machine doctors |
| 10/08/1991 | CA1290180C Doctoring apparatus |
| 08/21/1991 | EP0442165A2 Cleaning device for paper machine rollers |
| 07/30/1991 | CA2035087A1 Method and apparatus for intermittent compression of a pulp sheet to aid removal from a filter |
| 07/16/1991 | US5032229 Doctoring device for papermaking machine |
| 07/03/1991 | EP0434680A1 Arrangement for a scraper blade holder |
| 06/27/1991 | CA2032930A1 Cleaning device for paper machine rollers |
| 06/25/1991 | US5026487 Method and apparatus for intermittent compression of fibrous material to aid removal from a filter surface |
| 06/04/1991 | US5021124 Double doctor for a paper machine and method for adjustment of same |
| 04/30/1991 | US5011574 Creping doctor with two suction chambers in the support beam |
| 04/16/1991 | US5007986 Creping doctor with two suction chambers in the support beam |
| 04/16/1991 | US5007132 Hydraulic drive for pull through doctor blade transfer system |
| 01/22/1991 | US4986178 Holding arrangement for a device directed against a linearly adjustable roll, such as a doctor blade, blowing device or similar |
| 01/07/1991 | WO1991000768A1 Method and apparatus for treating fiber suspension |
| 12/19/1990 | EP0402589A2 Coating apparatus |
| 12/10/1990 | CA2018431A1 Coating device |
| 10/31/1990 | CN1010236B Liquid-soaked multi-blade scraper |
| 09/19/1990 | EP0387622A1 A creping doctor |
| 09/05/1990 | CN1045141A Double doctor for paper machine and method for adjustment of smae |
| 09/04/1990 | US4953252 Roll surface cleaning device |
| 05/18/1990 | CA2000603A1 Method for compensation of doctor blade deflection and a deflection-compensated doctor blade |
| 05/16/1990 | EP0262137B1 Wear resistant doctor blade |
| 04/24/1990 | US4919756 Impact angle to reduce deleterious effects on physical properties of material impacted; papermaking |
| 03/22/1990 | WO1990002842A1 Arrangement for a scraper blade holder |
| 03/06/1990 | US4906335 Doctoring apparatus |
| 03/06/1990 | US4906333 Method and apparatus for extracting dust that is released when creping off a paper web |
| 01/31/1990 | EP0352464A1 Arrangement for the measurement of the bending of an elongated element |
| 10/17/1989 | US4873939 Short-dwell coater for coating a web with coating mix |
| 10/12/1989 | DE3810085A1 Reinigungsvorrichtung fuer eine walze Cleaning device for a roll |
| 08/01/1989 | US4852209 Apparatus for cleaning calender rolls and the like |
| 07/27/1989 | DE3800669A1 Device for vacuuming dust at the drying cylinder of a paper machine |
| 04/05/1989 | EP0310161A1 Method and apparatus for extracting dust that is released when creping off a paper web |
| 03/22/1989 | CN1031873A Liquid-soaked multi-blade scraper |
| 12/14/1988 | EP0294992A2 Doctoring apparatus |