Patents
Patents for D21G 9 - Other accessories for paper-making machines (3,676)
01/1993
01/14/1993CA2072486A1 Papermakers and like fabrics
01/05/1993US5175945 Apparatus for drying a web
12/1992
12/30/1992EP0520145A1 Device for dust removal
12/23/1992EP0430975B1 Device for measuring the cross-sectional profile of a paper web
12/15/1992US5171403 Method for determining the bending stiffness of a moving sheet
12/09/1992EP0517286A2 Apparatus for drying a web
12/09/1992CN1019406B Process for restrained drying of paper web
12/08/1992US5170357 Paper machine controller for operating slices and method of controlling the same
12/08/1992US5169501 Arrangement for transferring a web from the press section to the dryer section of a paper machine
11/1992
11/26/1992WO1992020861A1 Method and apparatus for control of the dry line or for control based on the dry line in a fourdrinier paper machine
11/26/1992CA2109726A1 Method and apparatus for control of the dry line or for control based on the dry line in a fourdrinier paper machine
11/25/1992EP0514595A1 Method of making coated paper and paperboard utilizing impulse drying
11/19/1992DE4116221A1 Paper web guide roller - has a soft mantle to transfer web from press section to the next stage without web fracture
11/18/1992CA2068931A1 Web pick-up device
10/1992
10/29/1992WO1992018692A1 Slice cleaning apparatus having bias means
10/27/1992US5158648 Apparatus for forming a movable threading tail
10/26/1992CA2041267A1 Procedure for analysing paper
10/15/1992WO1992017642A1 Diagnosing disturbances in the wet part chemistry of a paper machine
10/13/1992CA1308553C Transfer apparatus
10/06/1992US5152078 Vacuum roll transfer apparatus
09/1992
09/16/1992EP0503681A1 Apparatus for drying a web
09/14/1992WO1992016689A1 An apparatus for manufacturing a dried web of paper
09/08/1992US5145560 Method and apparatus for monitoring and controlling the velocity of a jet along the slice opening of a papermaking machine
09/08/1992US5144758 Apparatus for drying a web
09/08/1992CA1307186C Apparatus for cutting a tail from a web
08/1992
08/05/1992WO1992013995A1 Headbox
08/05/1992CA2079807A1 Headbox
08/04/1992US5135615 Device for measuring the condition of a felt and for reconditioning it
07/1992
07/29/1992EP0341248B1 Method and apparatus for control of dry line on the wire of a fourdrinier paper machine
07/25/1992CA2060015A1 Dryer group web transfer region for paper making machine
07/14/1992CA1304934C Intermediate vacuum roll for dryer
06/1992
06/24/1992EP0490971A1 Improvements in the manufacture of web materials.
06/24/1992EP0490906A1 An apparatus for cutting a moving paper sheet by means of a water jet.
06/16/1992US5122963 Actuation cell response and mapping determinations for web forming machines
06/10/1992EP0489114A1 Method and instrument for nonlinear averaging compensated measurements
06/09/1992US5121332 Control system for sheetmaking
06/02/1992CA1302023C Method and apparatus for extracting dust that is released when creping off a paper web
05/1992
05/31/1992CA2056771A1 Web tip cutting arrangement for dry end of paper making machines
05/14/1992WO1992008005A1 Counter-rotating knife paper tail ripper
05/01/1992WO1992008004A1 Dryer apparatus
04/1992
04/28/1992CA1299594C Coater and method of operating such coater
04/21/1992US5105561 Web and support belt separation for dry end of paper machine
04/16/1992DE4133768A1 Paper-making calender section has hard surface rollers - rollers swing clear for leading end of the web to pass at full speed over the soft surface rollers
04/14/1992US5104489 Cylinder for the guiding of endless webs of material
04/12/1992CA2053165A1 Calender in a paper or board machine
04/08/1992EP0479748A1 Method and device in the drying section of a paper machine in the threading of the web
04/07/1992US5101577 Web transfer apparatus
04/02/1992CA2052596A1 Method and device in the drying section of a paper machine in the threading of the web
04/01/1992EP0478525A2 Procedure and apparatus for glazing a paper or cardboard web
03/1992
03/17/1992CA1297327C Apparatus for assisting the transfer of a web to a drying section
02/1992
02/13/1992DE4024955A1 Paper-making suction deflection roller - has carrier rod through roller journal for valve body working with opening in intermediate wall
02/11/1992US5087823 Device for determining the characteristics of particles in suspension in a liquid
02/11/1992US5087325 Apparatus for manufacturing a dried web of paper
01/1992
01/29/1992EP0468005A1 Arrangement for guiding a web from the press part to the dryer part of a papermaking machine.
01/26/1992WO1992001835A1 Method and apparatus for stabilizing the run of a paper web or the like during diagonal cutting
01/26/1992CA2066582A1 Method and apparatus for stabilizing the run of a paper web or the like during diagonal cutting
01/21/1992CA1294429C Blow box for dryer section
01/04/1992CA2045230A1 Device for measuring the condition of a felt and for reconditioning it
01/01/1992CN1015273B Method and apparatus for transport of web to be threaded
12/1991
12/17/1991US5073714 Method and apparatus for detecting amplitude and frequency of web flutter using infrared optical sensor
12/10/1991US5071514 Paper weight sensor with stationary optical sensors calibrated by a scanning sensor
12/10/1991CA1292891C Method and apparatus for measurement of the permeability to water
11/1991
11/19/1991US5065529 Apparatus for drying a web
11/14/1991DE4114748A1 Pump sample taker - has a shaft section extended into pulp zone to form a channel for the sample flow
11/08/1991CA2041879A1 Sampling device
11/05/1991US5062923 Rope system for a paper machine coating or size press section
10/1991
10/24/1991DE4011646A1 Dickenmesseinrichtung Thickness measuring device
10/22/1991US5059286 Cylinder for the guiding of endless webs of material
10/17/1991WO1991015730A1 Thickness gauge
10/15/1991US5057188 Scraper for removing accumulated fibers from slot of papermaking machine
10/15/1991CA2040507A1 Web and support belt separation for dry end of paper machine
09/1991
09/25/1991EP0447520A1 Process and device for inserting a web of material into a processing machine
09/19/1991WO1991014183A1 Actuation cell response and mapping determinations for web forming machines
09/19/1991DE4008282A1 Web shrinkage of strength measurement - uses equidistant parallel and lateral marks for measurement after process station to show distortion
09/11/1991EP0445487A1 Apparatus for drying a web
09/11/1991CN1054458A Apparatus for drying web
09/10/1991CA1288858C Measuring the speed of ultrasound in a moving web of paper
09/10/1991CA1288588C Web transfer apparatus
09/04/1991EP0444316A2 Method and device in the cutting of the leader of a paper web
08/1991
08/14/1991WO1991012370A1 Arrangement for guiding a web from the press part to the dryer part of a papermaking machine
08/14/1991CA2050894A1 Arrangement for transferring a web from the press section to the dryer section of a paper machine
08/06/1991US5037509 Apparatus for transferring a threading tail of a web
07/1991
07/31/1991EP0438388A1 An apparatus for maintaining the edges of a web in conformity with a dryer felt.
07/17/1991EP0436569A1 A tail cutter apparatus and method.
07/16/1991US5031338 Vacuum roll transfer apparatus
07/09/1991CA1285966C Paper tail nip threader
07/03/1991EP0434715A1 Intermediate vacuum roll for dryer
06/1991
06/26/1991EP0433295A1 Vacuum roll transfer apparatus.
06/20/1991DE3941242A1 Guide plate for threading strip into paper machine - has guiding surface parallel to strip path and inlets for air to feed grooves in guide plate surface
06/11/1991US5022966 Process for controlling properties of travelling sheets
05/1991
05/29/1991EP0428559A1 An apparatus for cutting a tail from a web.
05/28/1991US5019213 Method and apparatus in the drying section of a paper making machine for speeding the threading of a paper or paperboard web
05/22/1991EP0428057A2 Process for producing castcoated paper
05/22/1991EP0427887A1 A coater apparatus
05/22/1991EP0427752A1 A dryer apparatus and method for drying a web.
05/15/1991CN1051405A Transper apparatus
05/08/1991EP0426607A2 A transfer apparatus
04/1991
04/30/1991US5011573 Method and apparatus for control of dry-line on the wire of a fourdrinier paper machine
04/18/1991WO1991005105A1 Cross direction profile control for multiple station web forming machine
04/18/1991DE3933861A1 Verfahren und vorrichtung zum einfuehren einer materialbahn in eine verarbeitungsmaschine Method and apparatus for introducing a material web in a processing machine
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