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)
12/1999
12/29/1999WO1999060208A3 Method for marking paper and paperboard
12/29/1999WO1999057366A3 Headbox with turbulence channels
12/29/1999EP0967306A1 Monofilament based on polyethylene-2.6-naphthalate
12/29/1999EP0966559A1 Polyester fiber with improved abrasion resistance
12/29/1999CN1240009A Process for production of paper
12/28/1999US6007911 Industrial fabrics having filaments characterized by foam segments within their cross section
12/26/1999CA2276642A1 Monofils based on polyethylene-2, 6-naphthalate
12/23/1999WO1999066128A1 Marking substances and security markings, method for integrating these into the pulp line and method for testing the same
12/23/1999WO1999066123A1 Suction breast roll former
12/23/1999WO1999066121A1 Apparatus and method of generating stock turbulence in a fourdrinier forming section
12/23/1999DE19827201A1 Valve assembly for a web coating applicator
12/23/1999DE19826800A1 Special paper for securities and banknotes etc.
12/23/1999CA2276095A1 Papermaking machine with variable dewatering elements adjusted by computer control system in response to sensors of paper sheet characteristics
12/22/1999EP0965683A2 Device for adjusting one of the bearing supports of a roll in a roller group
12/22/1999EP0965665A1 Monofilament and papermaking fabric made from the same
12/22/1999CN1239158A Textile belt
12/21/1999US6004431 Headbox with active local flow control
12/21/1999US6003684 Device for dewatering solid-liquid suspensions
12/18/1999CA2274342A1 Monofilament fabric manufactured therewith, and papermaking
12/16/1999WO1999064963A1 Paper stock shear and formation control
12/16/1999WO1999064669A1 Method for regulation of the surface level and the consistency in a tank for metering of a component stock
12/16/1999WO1999064668A1 Process arrangement for the short circulation in a paper or board machine
12/16/1999WO1999064667A1 Control system for a vacuum pump used for removing liquid and a method of controlling said pump
12/16/1999WO1999064666A1 Equipment and method in a paper or board machine for mixing of fresh stock and of water for dilution of fresh stock
12/16/1999WO1999064665A1 Method for regulation of the basis weight of paper or board in a paper or board machine
12/16/1999WO1999055962A3 A process for the production of paper
12/16/1999DE19926111A1 Verfahren zur Regelung des Höhenstandes und der Konsistenz in einem Teilstoffdosierbehälter Method for controlling the ride height and the consistency in a Teilstoffdosierbehälter
12/16/1999DE19926087A1 Verfahren zur Regelung des Flächengewichts von Papier oder Karton in einer Papier- oder Kartonmaschine Method for controlling the basis weight of paper or board in a paper or board machine,
12/16/1999CA2334722A1 Method for regulation of the basis weight of paper or board in a paper or board machine
12/16/1999CA2267955A1 Device for adjusting one of the bearing blocks of a roller in a roller group
12/15/1999EP0964098A1 Device for the fastening of covering plates made of hard material to a support made of a casting compound
12/15/1999EP0964089A2 Woven fabrics
12/15/1999EP0963927A2 Device and method for cleaning conveyor-belts
12/15/1999EP0963482A1 Compositions and methods for inhibiting organic contaminant deposition in pulp and papermaking systems
12/15/1999CN1238402A Dandy roll
12/14/1999US6001671 Methods for manufacturing a semiconductor package having a sacrificial layer
12/14/1999US6001443 Dryer fabric seaming
12/14/1999US6000552 Process for purification of a fiber suspension
12/14/1999US6000532 Textile belt
12/14/1999US6000441 Multi-layered papermaker's seam product with formed loops
12/14/1999US6000440 Multi-layer papermaking fabric
12/14/1999US6000102 Apparatus for air-laying of fibrous material or granules
12/14/1999CA2171340C Process and apparatus for manufacturing granular material
12/12/1999CA2274278A1 Woven fabrics
12/12/1999CA2245193A1 Woven fabrics
12/12/1999CA2238794A1 Woven fabrics
12/09/1999WO1999063153A1 Papermaker's double layer forming fabric
12/09/1999DE19825368A1 Local dyeing of control strips on blankets for papermaking machines
12/09/1999DE19824457A1 Shaft coupling with two relatively rotatable connecting elements for motor vehicle drive train
12/09/1999CA2273674A1 Reduced wear suction box cover for dewatering device
12/08/1999EP0962589A2 Arrangement for drying section of paper machine
12/08/1999EP0962588A2 Arrangement for drying section of paper machine
12/08/1999EP0962587A2 Improvements in fabric seams
12/08/1999EP0961853A1 Papermaker's fabric with auxiliary yarns
12/08/1999EP0763157B1 Multiple layer, multiple opacity backside textured belt
12/08/1999EP0690939B1 Security paper having a transparent zone of substantially zero opacity
12/07/1999US5998310 Industrial fabrics containing finned fibers designed to resist distortion
12/07/1999US5997785 Method for the manufacturing of a moulded body
12/07/1999US5997693 Stock liquor pressure pulsation absorbing apparatus and method
12/07/1999US5996806 Method and apparatus for treating filler-containing material such as recycled fibers
12/07/1999US5996604 Apparatus and method for providing process water used for making or processing a fiber suspension
12/05/1999CA2273684A1 Arrangement for drying section of paper machine
12/02/1999WO1999061699A1 Method and device for flotation of pollutants from an aqueous fibrous material suspension
12/02/1999WO1999061698A1 Warp-tied composite forming fabric
12/02/1999WO1999061130A1 Phase-separation member
12/02/1999DE19823948A1 Endloses Band The endless belt
12/01/1999EP0960977A2 Endless belt
12/01/1999EP0960974A2 Loaded clamped foil blade for use in a web-forming section of a papermaking machine
12/01/1999EP0852638B1 Dryer fabric seaming
12/01/1999EP0792396B1 Procedure and apparatus for the drainage of the wire and/or press section of a paper machine
12/01/1999CN1237216A Vacuum apparatus capable of controlling rate of application of vacuum pressure in through air drying papermaking process
12/01/1999CN1236841A dehydrating concentrator
12/01/1999CN1046979C Papermakers' fabrics capable of being sawed by sawing machine
11/1999
11/30/1999US5993606 Headbox of a paper machine which reduces effective width of liquid feed
11/28/1999CA2272727A1 Endless belt
11/25/1999WO1999060208A2 Method for marking paper and paperboard
11/25/1999DE19822605A1 Durable marking of paper or cardboard for a watermark effect or a security measure
11/24/1999EP0958434A1 Pin seam with double end loops and method
11/24/1999EP0958433A1 Deaeration vessel
11/24/1999EP0958430A1 Improved recovery of fine fibers from suspensions containing fibers and contaminants
11/24/1999CN1046776C Combination-type seaming pintles
11/24/1999CN1046768C Papermaker's fabric having paired differnt machine-direction yarns weaving as one
11/23/1999US5989651 Phase separation apparatus
11/23/1999US5989389 Concurrently depositing onto forming wire within papermaking machine opaque paper stock fibers and translucent stock fibers in separate areas to define a pattern in resulting paper web, dewatering; document security watermark
11/23/1999US5988229 Papermakers forming fabric with weft dominated paper support surface
11/18/1999WO1999058991A1 Wet end control for papermaking machine
11/18/1999DE19822185A1 Cleaning jet for wet conveyor belt used for manufacture of paper or carton
11/18/1999DE19822052A1 Paper or cardboard web guide roller
11/17/1999EP0957200A1 Headbox comprising a trailing element
11/17/1999EP0956132A1 A concentrator press
11/16/1999US5985450 Striated monofilaments useful in the formation of papermaking belts
11/16/1999US5985159 Impervious friction surface pressed against suspension web formed on fluid permeable surface through which a suction is drawn to dewater suspension whereby the two surfaces move relative to each other to shear and roll suspension particles
11/16/1999US5985099 Paper-making machine headbox with partial partitions
11/16/1999US5985098 Continuously variable sectioned headbox
11/16/1999US5983953 Paper forming progess
11/11/1999WO1999057366A2 Headbox with turbulence channels
11/11/1999DE19917809A1 Foam web production at a papermaking machine
11/11/1999DE19901211A1 Schnelle Regelung bzw. Steuerung einer Flächenmasse für Papiermaschinen Rapid regulation or control of a basis weight of paper machines
11/10/1999EP0954633A1 Vacuum isolated dewatering method and unit
11/10/1999EP0817884B1 Cleaning device
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