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)
12/1998
12/22/1998US5851358 Paper making machine with an integral suction chamber and air/water separator for a doctor element
12/15/1998US5849157 Oscillating roll with stationary cleaning tool for the manufacture of a continuous layer of material
12/15/1998US5848452 Roll cleaning apparatus
12/09/1998EP0760879B1 A doctor for creping tissue
12/02/1998EP0880615A1 Blade holder
12/02/1998CN2299085Y Integral super-long glass reinforced plastic slicker
11/1998
11/26/1998WO1998053140A1 Composite blade usable in particular in the paper industry
10/1998
10/07/1998EP0868568A2 Method in a paper machine
09/1998
09/23/1998CN1039932C Apparatus for making tissue
09/15/1998US5806136 Device in the operation of a doctor in a paper/board machine
09/01/1998US5800679 Device in a paper machine or in a finishing device of a paper machine for removing dust
08/1998
08/26/1998EP0736121B1 Continuous adjustable backing bar for profiling coater blade
08/11/1998US5791067 Self-cleaning doctor and method for using on web dryer cans
08/06/1998WO1998033976A1 Dust extracting installation on machine producing crepe paper
07/1998
07/30/1998WO1998032918A1 Alternating top and bottom felted dryers connected without open draw
07/21/1998US5783042 System and method of measuring deflected doctor blade angle and loading force
06/1998
06/25/1998WO1998027279A1 Improved doctor blade assembly
06/25/1998WO1998027275A1 Method and system for monitoring the process of separation of a web
06/17/1998EP0551327B1 Longitudinal compressive treatment of web materials
05/1998
05/28/1998WO1998022652A1 Method and apparatus for cleaning a moving surface
05/07/1998WO1998019009A1 Method and device in a paper machine or equivalent or in a finishing device of same for removal of dust
05/05/1998CA2085265C Support beam
03/1998
03/18/1998EP0829566A2 Longitudinal compressive treatment of web material
01/1998
01/14/1998EP0818574A2 Cleaning device
01/11/1998CA2208288A1 Cleaning device
12/1997
12/02/1997CA2097724C Method and apparatus for calendering paper with internally heated roll
11/1997
11/27/1997WO1997044525A1 Dust removal apparatus
11/25/1997US5690788 Biaxially undulatory tissue and creping process using undulatory blade
11/11/1997US5685954 Biaxially undulatory tissue and creping process using undulatory blade
11/06/1997WO1997041299A1 Creping blade
10/1997
10/22/1997EP0670781B1 Apparatus for cleaning objects in movement
10/07/1997US5674361 Having blade support mechanism capable of adjusting and maintaining predetermined blade angle while being translated parallel to generators of surface of yankee dryer, rotated about axis of stub shafts, moved toward or away from surface
09/1997
09/11/1997DE19605959C1 Cleaning system for paper-making cylinders and rollers
08/1997
08/28/1997WO1997031151A1 Method and device in a paper machine or equivalent or in a finishing device of same for collecting and removing the dust separated from the web
08/27/1997EP0791105A1 Coating device
08/18/1997CA2197596A1 Apparatus for the manufacture of a continuous layer of material
08/12/1997US5656134 Biaxially undulatory tissue and creping process using undulatory blade
07/1997
07/29/1997US5651832 Method for cleaning rolls
07/17/1997WO1997025475A1 Blade holder
06/1997
06/12/1997WO1997020984A1 System and method of measuring deflected doctor blade angle and loading force
06/03/1997US5635031 Method in a paper machine or in a finishing device of a paper machine for collecting and removing dust separated from a web
05/1997
05/28/1997EP0583437B1 Pressure strip for coating device
05/20/1997US5630908 Method in the operation of a doctor in a paper/board machine
03/1997
03/27/1997WO1997011225A1 Method in a paper machine
03/27/1997CA2229422A1 Method in a paper machine
03/26/1997EP0598737B1 Method and apparatus for calendering paper with internally heated roll
03/12/1997EP0760879A1 A doctor for creping tissue
02/1997
02/18/1997US5603775 Utilization of a suction nozzle and jet nozzle for cleaning moving objects
01/1997
01/28/1997US5597449 Method and device for conditioning the coating of a paper machine roll
12/1996
12/18/1996CN1138357A Continuous adjustable backing bar for profiling coater blade
11/1996
11/27/1996CN1136831A Apparatus for making tissue
10/1996
10/09/1996EP0736121A1 Continuous adjustable backing bar for profiling coater blade
09/1996
09/25/1996EP0733135A1 An apparatus for making tissue
09/25/1996EP0485597B1 Doctor apparatus
09/17/1996US5556467 Assembly for loading a doctor blade
09/12/1996DE19508298A1 Doctor blade for paper machine roll, used to prevent wind-up if the web breaks
06/1996
06/26/1996EP0604521B1 A method of and a device for adjusting creping conditions
06/19/1996EP0606258B1 Apparatus for adjusting the creping conditions
05/1996
05/28/1996US5519945 Cleaning apparatus for rolls
05/23/1996WO1996015320A1 Coating device
05/23/1996DE4440711A1 Streichvorrichtung Coater
05/08/1996EP0710741A2 Method and apparatus for calendering paper
04/1996
04/30/1996US5512139 Apparatus for making tissue paper with uniform quality by measuring dimensions of microfolds and adjusting angle of doctor to peripheral surface of yankee dryer to optimize said dimensions
04/24/1996EP0707945A2 Biaxially undulatory tissue, creping method of forming same, and creping blade for use in the method
04/17/1996CN1120615A Method and equipment in conditioning of the coating on a roll in a paper machine
04/16/1996US5507917 Doctor for creping tissue
03/1996
03/21/1996DE4432790A1 Appts. for dust removal from paper-making drying cylinder etc.
02/1996
02/20/1996CA2064211C Doctor blade supporting structure
02/06/1996US5489364 Controlling pressure and height of blade against rotating cylinder dryer surface in papermaking
01/1996
01/02/1996US5480486 Continuous adjustable backing bar for profiling coater blade
11/1995
11/30/1995WO1995032334A1 A doctor for creping tissue
11/29/1995EP0684338A2 Blade holder
10/1995
10/24/1995US5460565 Pivoting polishing block for use in apparatus for cleaning and polishing roll assemblies
10/11/1995EP0676501A2 Method and equipment in conditioning the coating on a roll in a paper machine
09/1995
09/27/1995EP0506911B1 Doctor blade for use in coating continuous strips of material or similar substrates
09/20/1995EP0672761A2 Use of a steel alloy
09/13/1995EP0670781A1 Apparatus for cleaning objects in movement.
07/1995
07/04/1995CA2044873C Blade edge loading control for doctoring apparatus
06/1995
06/29/1995WO1995017550A1 Continuous adjustable backing bar for profiling coater blade
06/21/1995EP0658138A1 Increasing creping blade load and maintaining blade angle
06/15/1995WO1995016072A1 An apparatus for making tissue
06/15/1995WO1995016071A1 Thermal-distortion-free doctor for papermaking
06/13/1995CA2043842C Doctor for a suction roll
05/1995
05/24/1995EP0654560A2 Roll cleaning apparatus
05/23/1995US5417761 Doctor blade holding apparatus
05/19/1995CA2136057A1 Roll cleaning apparatus
04/1995
04/25/1995US5408720 Mounting assembly for a scraper blade
04/04/1995US5403446 Apparatus for adjusting creping conditions
03/1995
03/29/1995EP0645490A1 Method and equipment for lubricating a doctor blade in a paper/board machine
12/1994
12/21/1994EP0629742A1 A method and assembly for loading a doctor blade
12/08/1994DE4418801A1 Cleaning device for rolls and/or cylinders in paper machines
12/08/1994DE4418464A1 Blade mounting
11/1994
11/30/1994EP0598737A4 Method and apparatus for calendering paper with internally heated roll.
10/1994
10/18/1994US5356519 Support beam made of composite fiber material
10/18/1994CA2051200C Bearing apparatus for a doctor journal
09/1994
09/21/1994EP0616075A1 Doctor system
09/17/1994CA2119214A1 Doctor blade holding apparatus
08/1994
08/03/1994EP0608498A1 Method for cleaning rolls and cleaning apparatus for rolls
07/1994
07/20/1994EP0606258A1 Apparatus for adjusting the creping conditions.
07/12/1994US5328511 Coating device having two separate collection troughs connected to each other
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