Patents
Patents for D21F 7 - Other details of machines for making continuous webs of paper (7,211)
06/1992
06/09/1992US5121332 Control system for sheetmaking
06/09/1992CA1302763C Papermakers' felt having compressible elastomer elements and methods of producing same
06/02/1992US5118557 Foam coating of press fabrics to achieve a controlled void volume
06/02/1992US5117865 Papermakers fabric with flat high aspect ratio yarns
06/02/1992US5117542 Seaming machine to manufacture an insertion-type seam for making a cloth belt endless
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
05/13/1992EP0485360A2 Fibrous tape base material
05/05/1992US5110672 Papermakers' press felt with base fabric that does not require seaming
05/05/1992US5109764 Double screen belt press with a wedge compression zone for dewatering mixtures of fibrous material suspensions
05/05/1992CA1299905C Fixation device
05/01/1992WO1992008004A1 Dryer apparatus
04/1992
04/28/1992US5108547 Frame construction of a press section in a paper machine
04/28/1992CA1299594C Coater and method of operating such coater
04/21/1992US5106655 Cross-directional smoothness controller and method of using the same
04/21/1992US5105561 Web and support belt separation for dry end of paper machine
04/15/1992EP0480868A1 A fabric for supporting a web
04/14/1992US5104724 Monofilament of polyether ketone polymer
04/14/1992US5103875 Weft-wear papermaker's fabric with short and long weft crimps
04/14/1992US5103874 Papermakers fabric with stacked machine direction yarns
04/14/1992CA1298726C Steam-shower apparatus and method of using same
03/1992
03/11/1992EP0473633A1 Paper machine felts.
03/10/1992US5094003 Paper web cutting and retracting tool
03/10/1992CA1296937C Method of and apparatus for contacting running webs with steam and the like
03/04/1992EP0473430A2 PEEK hot press felts and fabrics
03/03/1992US5093795 Dual mode cross-directional moisture control
03/03/1992US5092678 On-line sheet formation characterizing method and device
03/03/1992US5092373 Papermakers fabric with orthogonal machine direction yarn seaming loops
03/01/1992WO1992004499A1 A framework for a press in a machine for the manufacture of a fibrous web
03/01/1992CA2049759A1 Method for controlling basis weight in the production of stretchable webs
02/1992
02/25/1992US5091056 Structural frame for separate nips in a press section
02/25/1992US5090133 Steam shower apparatus and method of using same
02/18/1992US5089324 Press section dewatering fabric
02/18/1992CA1295866C Flat structure permeable to liquid, and a method for manufacturing such a structure
02/05/1992EP0469005A1 Application of superheated steam
02/04/1992CA1295161C Machine felt, and a method for manufacturing same
01/1992
01/29/1992EP0468538A1 Method and device for on-line characterizing of sheet formation
01/29/1992EP0468005A1 Arrangement for guiding a web from the press part to the dryer part of a papermaking machine.
01/28/1992US5084139 Frame construction for a compact press section
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
01/21/1992US5082532 Papermaking machine and a seamed papermaker's fabric
01/14/1992US5079807 Shaped pintle wire for paper machine clothing
01/08/1992EP0464258A1 Felt, in particular paper making felt, and method for making the same
01/08/1992CN1057687A Process for chemically treating papermaking belts
01/07/1992US5077913 Self-cleaning steambox
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
12/31/1991US5077116 Forming fabric having a nonwoven surface coating
12/24/1991US5074339 Double layered paper making forming fabric with a coarse structured running side and a fine structured paper side
12/20/1991CA2044757A1 Process and apparatus for dehumidifying wet air
12/19/1991DE4037166C1 Regulation of web width in paper machine - with calendering rolls comprising flexible roll and heating roll, and edge catches at sides in wire section
12/18/1991EP0461812A1 Flutter suppression air foils
12/17/1991US5073235 Process for chemically treating papermaking belts
12/10/1991US5071697 Structure for extracting water from a paper web in a papermaking process
12/10/1991US5071514 Paper weight sensor with stationary optical sensors calibrated by a scanning sensor
12/08/1991CA2044013A1 Flutter suppression air foils
12/07/1991WO1991019044A1 Papermakers fabric with flat machine direction yarns
12/03/1991US5069394 Drive unit for the reel-up of a paper machine or paper finishing machine
11/1991
11/28/1991WO1991018146A1 Improvements relating to the manufacture of sheet material
11/26/1991US5068796 Control of sheet opacity
11/19/1991US5065673 Cross-directional moisture control system and method
11/12/1991US5063649 Roll assembly with rotatable shell for use in calenders and like machines
11/05/1991US5062923 Rope system for a paper machine coating or size press section
10/1991
10/22/1991US5059285 Apparatus for contacting running webs of fibrous material with fluids
10/22/1991US5059283 Process for solvent delivery of chemical compounds to papermaking belts
10/16/1991EP0452185A1 Endless conveyor belt for a shrinking machine
10/15/1991US5056565 Paper making drainage belt with funnel-like channels
10/15/1991CA2040507A1 Web and support belt separation for dry end of paper machine
10/15/1991CA1290605C Papermaker's wet press felt having multi-layered base fabric
10/13/1991WO1991016492A1 Process for chemically treating papermaking belts
10/13/1991WO1991016491A1 Process for solvent delivery of chemical compounds to papermaking belts
10/02/1991CN1014159B Papermaker press felt
10/02/1991CN1014157B Blow box for dryer
10/01/1991US5053109 Single layer seamed papermakers fabric
09/1991
09/19/1991DE4008282A1 Web shrinkage of strength measurement - uses equidistant parallel and lateral marks for measurement after process station to show distortion
09/18/1991EP0446355A1 Needled felt for papermaking
09/18/1991EP0302905B1 Drive for a felt driving cylinder
09/17/1991US5049239 Frame construction for a compact press section of a paper machine
09/17/1991US5048353 Method and apparatus for roll profile measurement
09/17/1991US5048200 Process and apparatus for dehumidifying wet air
09/17/1991CA1289219C Temperature compensated moisture sensor
09/10/1991WO1991014045A1 Steam shower with reduced condensate drip
09/10/1991CA1288858C Measuring the speed of ultrasound in a moving web of paper
09/10/1991CA1288588C Web transfer apparatus
09/03/1991WO1991013205A1 Steam shower and vacuum apparatus and method of using same
09/03/1991CA2075993A1 Steam shower and vacuum apparatus and method of using same
09/02/1991WO1991013337A1 Method and apparatus for measuring irregularities and hardness of a roll surface
08/1991
08/22/1991DE4005281A1 Paper-making stock inlet - has diluting water for suspension by segments, to control paper weight profile without altering stock inlet lips
08/21/1991CN1013596B Method and device of active attenuator for attenuation of pressure pulsation in headbox in paper and board machine
08/20/1991US5041332 For paper making machine; eliminates marking of paper sheet
08/14/1991WO1991012370A1 Arrangement for guiding a web from the press part to the dryer part of a papermaking machine
08/14/1991DE4019363C1 Roller drive for press - has torque supports connected directly on defined load lines
08/14/1991CA2050894A1 Arrangement for transferring a web from the press section to the dryer section of a paper machine
08/07/1991EP0440595A2 Apparatus for selectively releasing yarns from a fringe
08/07/1991EP0440076A2 Press felt
08/06/1991US5038397 Film thickness controller
08/06/1991US5037509 Apparatus for transferring a threading tail of a web
08/01/1991CA2206731A1 Apparatus for capturing and stabilizing yarns prior to interweaving
08/01/1991CA2206577A1 Apparatus for selectively releasing yarns from a fringe
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