Patents
Sitemap › D21 - Paper-making; Production of cellulose › D21F - Paper-making machines; Methods of producing paper thereon › D21F 1 - Wet end of machines for making continuous webs of paper
Patents for D21F 1 - Wet end of machines for making continuous webs of paper (14,078)
06/1998
06/11/1998WO1998024971A1 Compositions and methods for inhibiting organic contaminant deposition in pulp and papermaking systems
06/10/1998DE19650588A1 Paper-making machine stock inlet
06/09/1998US5762758 Method of papermaking having zero liquid discharge
06/09/1998US5762757 Adding to pulp a blend of dioctyl sulfosuccinate and didecyl sulfosuccinate
06/09/1998CA2077878C Shedding system with heddles supported at one end thereof and a seam weaving method using the shedding system
06/04/1998WO1998023812A1 Multi-layer headbox for a paper machine/board machine
06/03/1998CN1183545A Process and device for measuring spacing at puper machine headbox
06/02/1998US5759685 Soil-repellent and abrasion-resistant monofilaments and methods of making and using same
06/02/1998US5759354 Paper machine including a hydraulic cylinder assembly with a non-metallic bushing
06/02/1998US5759353 Web former in a paper machine
06/02/1998US5759352 Apparatus for stabilizing a moving low-strength sheet
06/02/1998CA2220566A1 Papermaker's fabric having paired different machine-direction yarns weaving as one
05/1998
05/28/1998WO1998022651A1 Laminated industrial conveying fabric with seam and method
05/28/1998DE19648850A1 Paper-making machine web drying section
05/28/1998DE19647919A1 Moving paper or cardboard web guide
05/22/1998WO1998021402A1 Spool butt unwind system
05/20/1998EP0842316A1 Apparatus and method of fabric cleaning
05/20/1998EP0377655B2 Roll
05/20/1998DE19647007A1 Strip for pressing on belt in paper machine
05/20/1998CN2281996Y Mould trough of cylinder mould machine
05/19/1998US5753081 Apparatus and method for controlling a pressure of a fiber suspension in a headbox or associated fluid conduit
05/19/1998US5753080 Method and arrangement for recovering fiber using disc filtration
05/19/1998CA2034793C Apparatus for selectively releasing yarns from a fringe
05/14/1998WO1998020200A1 Monofilaments and their use in producing technical textile articles
05/14/1998WO1998019860A1 Paper machine clothings constructed of expanded ptfe
05/14/1998DE19646792A1 Paper-making machine suction box
05/14/1998DE19645786A1 Monofile und ihre Verwendung zur Herstellung von technischen textilen Waren Monofilament and their use for the manufacture of technical textile goods
05/14/1998CA2241818A1 Paper machine clothings constructed of expanded ptfe
05/13/1998EP0800594A4 Multilayer forming fabric
05/13/1998CN1181796A Forgery preventive sheet and method of mfg. same
05/13/1998CN1181795A Process for recovering raw materials from a flow of residual or collected materials during paper manufacture and plant therefor
05/13/1998CA2220838A1 Process and device for measuring spacing at a paper machine headbox
05/07/1998WO1998019077A1 Expandable pintle wires
05/07/1998WO1998019009A1 Method and device in a paper machine or equivalent or in a finishing device of same for removal of dust
05/07/1998WO1998019008A1 Papermakers impression fabric
05/07/1998CA2269233A1 Expandable pintle wires
05/06/1998EP0839951A2 Suction box
05/06/1998EP0839950A2 Process to introduce substances in a moving fiber web
05/06/1998EP0839226A1 Method and device for treating a pulp suspension
05/05/1998US5746889 Stock feed system for a multi-layer headbox and method in the operation of a multi-layer headbox
05/05/1998US5746887 Impression knuckles create projections in throughdried sheet imparting cross-machine direction stretch
05/05/1998US5746257 Corrugator belt seam
04/1998
04/30/1998WO1998017860A1 Stock feed system for a multi-layer headbox and method in the operation of a multi-layer headbox
04/30/1998WO1998017859A1 High support papermakers fabric
04/30/1998WO1998017858A1 Papermakers fabric with enhanced cmd support and stacking
04/29/1998EP0838269A1 Rolls having release coatings, a method for applying a release coating to a roll, and a method of transporting a viscid web
04/29/1998EP0837966A1 Method for overall regulation of the headbox and/or the former of a paper machine or equivalent
04/29/1998EP0683693B1 Method and apparatus for separation by flotation
04/29/1998CN1180116A Sewage utilization and lost pulp recovery installation for papemill
04/28/1998USRE35777 Self stitching multilayer papermaking fabric
04/28/1998US5744007 Vacuum apparatus having textured web-facing surface for controlling the rate of application of vacuum pressure in a through air drying papermaking process
04/28/1998CA2132175C Roll with composite coats
04/28/1998CA2130499C Papermakers fabric with orthogonal machine direction yarn seaming loops
04/22/1998EP0837179A2 Papermaker's fabric having paired identical machine-direction yarns weaving as one
04/22/1998EP0837014A1 Conveying belt and method of forming the belt
04/22/1998EP0705367B1 A method of producing visible, continuous streaks and/or delimited fields in paper
04/22/1998CN1179802A Paper machine clothing having seam and spiral for use in such seam
04/22/1998CN1179482A Papermaker's fabric having paired identical machine-direction yarns weaving as one
04/21/1998US5741402 Vacuum apparatus having plurality of vacuum sections for controlling the rate of application of vacuum pressure in a through air drying papermaking process
04/21/1998US5741401 Headbox of a paper machine
04/16/1998WO1998015686A1 Separation of solids from aqueous suspensions
04/16/1998CA2267250A1 Separation of solids from aqueous suspensions
04/15/1998EP0835342A1 Method for prolonging the life of a press felt
04/14/1998US5738151 Seam loop formation device and method of operation
04/09/1998WO1998014659A1 Flatsided parabolic header
04/08/1998EP0834615A1 Fabric web
04/07/1998US5736471 Monofilament with naphthyl repeat unit along the polyester backbone provides a material with dimensional stability, nonhydrolyzing, abrasion and chemical resistant; filters
04/07/1998US5736011 Wet end assembly for a paper making machine
04/07/1998US5736007 Method of liquor removal from particulate solids
04/07/1998US5735330 Having cavity depth and width sized so that the amount of fluid flow improves formation but is ineffective to break the hydraulic seal between the fabric and the formation blade
04/07/1998CA2072271C Twin-wire web former in a paper machine
04/01/1998EP0764227A4 Felt treatment - inorganic deposit prevention by spray treatment
04/01/1998CN2277416Y Vacuum wire mould
03/1998
03/31/1998US5732749 Pin seam for laminated integrally woven papermaker's fabric
03/31/1998CA2028019C Double screen belt press
03/26/1998WO1998012382A1 Method and apparatus for the detection of holes and plugged spots
03/26/1998WO1998012381A1 A roller for guiding movable web
03/26/1998WO1998012371A1 Yarns of covered high modulus material and fabrics formed therefrom
03/26/1998WO1998012370A1 Paper machine clothings constructed of interconnected bicomponent fibers
03/26/1998WO1998012143A1 Process for cleaning wastewater and recirculating water in paper production, de-inking and bleaching of pulp
03/26/1998DE19638594A1 Verfahren zur Reinigung von Abwässern und Kreislaufwässern bei der Papierherstellung, dem Deinking und der Zellstoffbleiche A process for the purification of waste waters and circulation waters in papermaking, the deinking and pulp bleaching
03/25/1998EP0831174A1 Process and apparatus for dewatering a fibre suspension
03/25/1998EP0831173A2 Suction box with dimensioning slider
03/25/1998EP0831172A2 Wire section and process for dewatering of a fibrous web in a wire section
03/24/1998US5731063 Papermaking felt and substrate
03/24/1998US5731059 Dryer fabric having an abrasion resistant edge
03/18/1998EP0829572A1 Consistency regulated Head-Box with a paper pulp consistency regulator
03/18/1998EP0828889A1 Use of agents for cellulose and paper production
03/18/1998EP0828793A1 Polyesters of 2,6-naphthalenedicarboxylic acid having improved hydrolytic stability
03/18/1998CN1176674A Cleaning device
03/17/1998US5728270 From waste paper
03/12/1998WO1998010142A1 Process for producing high-bulk tissue webs using nonwoven substrates
03/12/1998WO1998010140A1 A vacuum apparatus capable of controlling the rate of application of vacuum pressure in a through air drying papermaking process
03/12/1998WO1998010139A1 Under felt inclined flat former to produce multilayer or monolayer sheet of paper
03/12/1998WO1998010138A1 Method and arrangement in a web former for preventing rewetting of a web
03/12/1998WO1998009706A1 Method for forming seam in wire weave, and wire weave
03/12/1998DE19635318A1 Measurement of thickening material properties
03/12/1998CA2263215A1 Process for producing high-bulk tissue webs using nonwoven substrates
03/12/1998CA2236892A1 Method and arrangement in a web former for preventing rewetting of a web
03/11/1998CN2276030Y High effiency cylinder type former
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