Patents
Sitemap › D21 - Paper-making; Production of cellulose › D21G - Calenders; Accessories for paper-making machines › D21G 3 - Doctors
Patents for D21G 3 - Doctors (1,456)
01/2004
01/14/2004EP1379728A1 Doctor blade holder
01/13/2004US6675423 Two roll turret with positive nip web cleaner
01/06/2004US6672028 Support beam
12/2003
12/18/2003WO2003104555A1 Serrated doctor blades
12/18/2003CA2487772A1 Serrated doctor blades
12/11/2003US20030226579 Serrated doctor blades
12/04/2003WO2002070819A8 Arrangement in the drying section of a paper machine
11/2003
11/25/2003US6651303 Equipment and method for replacing a band-like doctor blade
11/25/2003CA2333397C Improved method and system for collecting and handling dust in a papermachine environment
11/11/2003US6645349 Method and device for conditioning of a roll, in particular of a roll in a paper machine or in a paper finishing device
11/11/2003US6643890 Composite doctor blades
11/04/2003US6640973 Storage box for doctor blades employed in servicing of the face of a roll in a paper/board machine
10/2003
10/23/2003US20030196773 Foil, a baffle and an exhaust are used to direct contaminated air away from the machinery and the sheet or web of material running through the machinery
10/22/2003CN1450228A Doctor blade for removing water
10/08/2003EP1349986A1 Doctor or coater blade and method in connection with its manufacturing
10/02/2003DE20310750U1 Paper industry rotating drum scraper blade made of extruded thermoplastic reinforced by short chopped strands of glass fibre
10/01/2003EP1348808A1 Doctor blade for removing water
09/2003
09/25/2003US20030181117 Doctor blade for removing water
09/24/2003CN1443897A Dehydroating doctor
09/17/2003EP1344165A1 Method and system for managing the need of doctor blades
09/11/2003US20030168196 Doctor blade for removing water
09/10/2003EP1342842A2 Doctor blade for removing water
08/2003
08/28/2003US20030161956 Method for controlling deflection and/or position of a deflection-compensated doctor beam
08/14/2003US20030150479 Blade cleaner and a method of cleaning blades
07/2003
07/31/2003US20030140942 Method and apparatus for treating a moving surface
07/29/2003CA2252909C Dust removal apparatus
07/24/2003WO2003060231A1 Composite doctor blades
07/24/2003US20030136538 System for keeping calender rolls of a paper machine clean
07/24/2003CA2473462A1 Composite doctor blades
07/23/2003EP1328682A1 Composite doctor blade and its method of manufacture
07/17/2003US20030131959 Notches are configured to increase the caliper of the cellulosic web when the creping blade crepes the cellulosic web from an outer surface of the rotatable cylinder.
07/01/2003CA2272378C Method and apparatus for cleaning a moving surface
06/2003
06/25/2003CN2557572Y Composite wrinkle doctor
06/18/2003EP1078128B1 A method and a device for dividing a paper web and a paper machine including such a device
06/12/2003US20030106656 Rotating cylinder; elongated blades; tissue paper, disposable products
05/2003
05/20/2003US6565991 Composite doctor blade and its method of manufacture
05/20/2003US6565712 Composite
05/20/2003US6565711 Method for controlling dust on paper machinery and the like
05/15/2003US20030089208 Apparatus for measuring the wear of a doctor blade and method in measuring the wear of a doctor blade and in controlling a paper machine
05/14/2003EP1310592A2 Apparatus for measuring the wear of a doctor blade and method in measuring the wear of a doctor blade and in controlling a paper machine
05/07/2003CN1416487A Method and appts. for treating moving surface
05/06/2003US6558456 Apparatus for controlling mist and dust in the manufacture and finishing of paper and board
04/2003
04/15/2003US6547932 Doctor equipment in connection with a roll/cylinder in a paper/board machine
04/09/2003EP1071850B1 Storage box for doctor blades employed in servicing of the face of a roll in a paper/board machine
04/09/2003CN1408948A Dewatering scraping sheet
04/09/2003CN1408947A Dewatering scraping sheet
04/08/2003US6544388 Oscillating doctor blade holder
04/02/2003EP1298250A2 Doctor Blade
04/01/2003US6540879 Creping blade, creped paper, and method of manufacturing paper
03/2003
03/27/2003US20030057629 Method and arrangement in doctoring in a paper or board machine
03/26/2003EP1295988A1 Doctor Blade
03/20/2003US20030051847 Doctor blade
03/20/2003US20030051846 Doctor blade
03/19/2003CA2403042A1 Doctor blade
03/18/2003CA2115652C Apparatus for adjusting the creping conditions
03/12/2003EP1042554B1 Removable doctor blade holder
03/06/2003CA2399625A1 Method and arrangement in doctoring in a paper or board machine
03/04/2003US6527913 Creping blade, system, and method for creping a cellulosic web
02/2003
02/26/2003EP1285128A1 Method and apparatus for treating a moving surface
02/25/2003US6524444 Removable doctor blade holder
02/18/2003US6521092 Beam that can be bent for use in a paper or board machine
02/11/2003CA2245453C Web stabilizing device
01/2003
01/29/2003EP1007786B1 Method and apparatus for cleaning a moving surface
01/29/2003EP1003931B1 Alternating top and bottom felted dryers connected without open draw
01/28/2003US6511581 Corona discharge; guiding the droplets or particles to be treated to impinge on a desired surface by means of an electric field
01/08/2003EP1227930A4 Non-abrasive composite doctor blade
12/2002
12/26/2002US20020194688 Two roll turret with positive nip web cleaner
12/19/2002US20020189777 Arrangement for doctoring a belt or a soft roll surfacing in a paper or board machine
12/19/2002US20020189773 Creping blade, creped paper, and method of manufacturing paper
12/19/2002DE10225399A1 Scraper blade, for belts and soft roller mantles at paper/cardboard production machines, has a layer of a softer material than the blade acting on the scraped surface to prevent damage to it
12/18/2002EP1266089A1 System for keeping calender rolls of a paper machine clean
12/12/2002WO2002099189A1 Equipment and method for changing a blade
12/12/2002CA2448181A1 Equipment and method for changing a blade
12/11/2002CN1095902C Method and equipment for conditioning coating on roll of paper-making machine
12/10/2002US6491791 Cleaning grooves and drilled perforations of papermaking machine using gas flow; water drainage
12/05/2002US20020179271 Composite
11/2002
11/28/2002US20020176934 Caring doctor blade and method for manufacture of same
11/28/2002US20020174966 Sandwiched thermoset or thermoplastic resin and reinforcing material; thin; machine direction rigidity; prolonging roll life
11/21/2002WO2002092340A1 Composite
11/07/2002DE10121679A1 Roll winding assembly, at a papermaking or cardboard production machine, has a cleaning unit to scrape or brush clinging matter and/or ink from the core mantle surface
11/05/2002CA2136185C Increasing creping blade load and maintaining blade angle
10/2002
10/31/2002WO2002086237A1 Doctor blade holder
10/31/2002WO2002086236A1 Removable doctor blade holder
10/24/2002WO2002084023A1 Method for monitoring the operation of a doctor assembly in a paper machine and a doctor assembly for implementing the method
10/24/2002US20020153115 Doctor blade holder
10/24/2002US20020153114 Removable doctor blade holder
10/17/2002WO2002081817A1 Apparatus and method for treating roll surfaces and/or fabrics
10/02/2002EP1244850A1 Doctor unit in a paper machine
10/01/2002US6458247 Loading arrangement in a paper machine doctor
10/01/2002US6457204 Device for dust removal from a moving paper web
10/01/2002CA2245275C Integral outboard bearing support for doctor oscillator
09/2002
09/17/2002US6451166 Biaxially undulatory tissue and creping process using undulatory blade
09/12/2002WO2002070819A1 Arrangement in the drying section of a paper machine
09/11/2002EP1238150A1 Apparatus and method for determination and control of paper web qualities on a papermaking machine
09/10/2002US6447646 Doctor assembly in a paper machine with a jointed bearing
08/2002
08/13/2002US6432274 Doctor arrangement for roll presses
08/13/2002US6432267 Wet crepe, impingement-air dry process for making absorbent sheet
08/08/2002US20020104628 Wet crepe, impingement-air dry process for making absorbent sheet
08/07/2002EP1227930A1 Non-abrasive composite doctor blade
08/01/2002US20020102372 Support beam
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