| Patents for D21F 1 - Wet end of machines for making continuous webs of paper (14,078) |
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| 03/11/1998 | CN1175645A Adjustable paper pulp thickness pulp conveying device with pulp thickness adjuster |
| 03/11/1998 | CN1175644A Paper pulp conveying device and method for adjusting pulp thichness and fibre orientation cross section |
| 03/10/1998 | US5725783 Concentrating method and means therefor |
| 03/10/1998 | US5725737 Apparatus for the detection of holes and plugged spots |
| 03/05/1998 | WO1998009020A1 Wet-end section of a paper machine with a consistency controlled head-box and a twin-wire former |
| 03/05/1998 | WO1998009019A1 Screen section for a paper machine |
| 03/05/1998 | WO1998008610A1 A process for purification of a fibre suspension |
| 03/05/1998 | DE19648774A1 Process and arrangement for dewatering a suspension of fibrous material |
| 03/05/1998 | DE19648773A1 Process and arrangement for dewatering suspension of fibrous material |
| 03/05/1998 | DE19648772A1 Process and arrangement for dewatering a suspension of fibrous material |
| 03/05/1998 | DE19648771A1 Dewatering process and arrangement for suspension of fibrous material |
| 03/05/1998 | DE19635293A1 Apparatus to extract water from fibre suspension |
| 03/05/1998 | DE19635217A1 Apparatus to extract water from fibre suspension |
| 03/05/1998 | DE19634995A1 Naßpartieabschnitt einer Papiermaschine mit einem stoffdichtegeregelten Stoffauflauf und Doppelsieb-Former Naßpartieabschnitt a paper machine with a consistency-regulated headbox and twin-wire former |
| 03/05/1998 | DE19634349A1 Siebpartie für eine Papiermaschine Wire section for a paper machine |
| 03/05/1998 | CA2264185A1 A process for purification of a fibre suspension |
| 03/05/1998 | CA2236316A1 Wet-end section of a paper machine with a consistency controlled head-box and a twin-wire former |
| 03/04/1998 | EP0826819A2 Apparatus for dewatering a fibre suspension |
| 03/04/1998 | EP0826818A2 Process and apparatus for adjusting the consistency and fibre orientation profile in a headbox |
| 03/03/1998 | US5723021 Method for inhibiting deposition in pulp and papermaking systems using a composition comprising of polyvinyl alcohol, gelatin and cationic polymer |
| 03/03/1998 | US5722122 Pintlepin |
| 02/26/1998 | WO1998007925A1 Permeable belts |
| 02/25/1998 | EP0825297A1 Forgery preventive sheet and method of manufacturing same |
| 02/25/1998 | EP0825011A1 Method and apparatus for wet manufacturing fiber reinforced thermoplastic resin sheet |
| 02/25/1998 | EP0726982B1 Woven belt for a corrugated cardboard machine |
| 02/25/1998 | EP0719360B1 A multilayer headbox |
| 02/25/1998 | CN2275111Y Pulp scraping device |
| 02/24/1998 | US5720853 Method and apparatus for sheet formation |
| 02/24/1998 | US5720851 Dispersing fiber in a foamable liquid comprising water and a surfactant; conveying unto a wire; drainage of liquid |
| 02/24/1998 | US5720323 Method and apparatus for mechanically producing a woven fabric endless seam |
| 02/19/1998 | WO1998006895A1 Papermaking belt having bilaterally alternating tie yarns |
| 02/19/1998 | WO1998006894A1 Apparatus for constructing a pin seam in a fabric having multiple machine direction yarns |
| 02/19/1998 | DE19632673A1 Process for distributing the stock flowing through a paper machine head box |
| 02/19/1998 | DE19632672A1 Process for distributing the stock flowing through a paper machine head box |
| 02/18/1998 | EP0824157A2 Headbox and process for the distribution of a fibrous suspension in the headbox of a paper making machine |
| 02/18/1998 | CN1173571A Coater belt and coating station including such coater belt |
| 02/17/1998 | US5718806 Vacuum apparatus having flow management device for controlling the rate of application of vacuum pressure in a through air drying papermaking process |
| 02/17/1998 | CA2076588C Fluid jet supported headbox |
| 02/16/1998 | CA2213514A1 Improvements in pintle wires |
| 02/13/1998 | CA2212253A1 Apparatus for constructing a pin seam in a fabric having multiple machine direction yarns |
| 02/12/1998 | WO1997041304A3 High absorbance/low reflectance felts with a pattern layer |
| 02/11/1998 | CN1172876A Straw pulp brush coating printing paper and its making method |
| 02/10/1998 | CA2097436C Method and wire group in a dryer section provided with a single-wire draw |
| 02/04/1998 | CN2273732Y Wire-cloth structure of cylinder paper machine |
| 02/04/1998 | CN2273731Y Air-cushion type pressure pulp flow box |
| 02/03/1998 | US5713399 Ultrasonic seaming of abutting strips for paper machine clothing |
| 02/03/1998 | US5713398 Papermaker's fabric having paired different machine-direction yarns weaving as one |
| 02/03/1998 | US5713397 For use with a papermaking machine |
| 02/03/1998 | US5713396 Papermakers fabric with stacked machine and cross machine direction yarns |
| 02/03/1998 | CA2122616C Multilayer felts |
| 01/29/1998 | WO1998003729A1 Method of disinfecting paper or cardboard |
| 01/29/1998 | WO1998003728A1 Method for the disinfecting and improved dewatering of a material web, strip or the like formed continuously from a suspension |
| 01/28/1998 | EP0820544A1 Treatments for inhibiting deposition in papermaking systems |
| 01/21/1998 | EP0819191A1 Headbox additive injection system |
| 01/21/1998 | CN1170787A Polyamide spiral seam for seamed papermakers' fabrics |
| 01/20/1998 | US5709777 Contains hollow body of rotational symmetry with longitudinal axis in direction of flow; for papermaking machines with headbox |
| 01/20/1998 | US5709775 Paper structures having at least three regions including a transition region interconnecting relatively thinner regions disposed at different elevations, and apparatus and process for making the same |
| 01/20/1998 | US5709250 Papermakers' forming fabric having additional fiber support yarns |
| 01/15/1998 | WO1998001779A1 Multilayer film with differential retroreflectivity |
| 01/15/1998 | WO1998001621A1 Method of reusing fillers and coating pigments used in paper, paperboard and cardboard manufacture |
| 01/15/1998 | WO1998001619A1 Equipment in connection with the headbox of a paper/board machine |
| 01/15/1998 | WO1998001618A1 Tissue membrane felt |
| 01/15/1998 | CA2261204A1 Tissue membrane felt |
| 01/14/1998 | EP0817887A1 Process for the production of a web of material |
| 01/14/1998 | EP0817886A1 Web of fabric and process for its production |
| 01/14/1998 | EP0817885A1 A wearing element, such as a foil or a cover of a suctionbox in a paper machine wire section |
| 01/14/1998 | EP0817884A1 Cleaning device |
| 01/14/1998 | EP0817883A1 Machine clothing having a seam, and spiral for use in such a seam |
| 01/14/1998 | CN2272456Y Machine for treating waste water from paper mill |
| 01/13/1998 | US5707496 Papermakers fabric having a synthetic molding seam |
| 01/13/1998 | US5707495 Headbox for papermaking machine with more uniform flow |
| 01/08/1998 | WO1998000603A1 Process and device for distributing an especially medium-consistent fibrous suspension |
| 01/07/1998 | EP0816559A1 Polyamide spiral seam for seamed papermakers' fabrics |
| 01/07/1998 | EP0815948A1 A coater belt and a coating station for a paper machine |
| 01/07/1998 | CN1169762A Laminated clothing, as well as method and bland for manufacturing same |
| 01/06/1998 | US5705446 Wide endless belt |
| 01/02/1998 | DE19625346A1 Verfahren zur Wasseraufbereitung in einem geschlossenen Kreislauf mit Reaktor Water treatment process in a closed circuit with reactor |
| 12/31/1997 | WO1997049639A1 Process for water treatment in a closed circuit with a reactor |
| 12/31/1997 | CN2271566Y Paper pulp flowing apparatus of long net paper maker |
| 12/29/1997 | EP0814195A2 Three layers headbox |
| 12/29/1997 | EP0813631A1 Method and apparatus for treating filler-containing material such as recycled fibers |
| 12/24/1997 | WO1997048852A1 Set of ribs in a dewatering device in a paper machine |
| 12/24/1997 | WO1997048851A1 Equipment for combining a dilution flow with the stock flow passed out of the inlet header in a paper/board machine |
| 12/23/1997 | US5700881 Abrasion-resistant polyester mixture with enhanced consistency of processing, monofilaments therefrom, and production and use thereof |
| 12/23/1997 | US5700356 Air permeable belt for dewatering web in press nip |
| 12/23/1997 | US5699898 Apparatus for adjusting one of the bearing blocks of a roller |
| 12/18/1997 | WO1997047805A1 Convergent flow headbox |
| 12/18/1997 | WO1997047804A1 A multilayer headbox for a papermaking machine |
| 12/18/1997 | DE19624127A1 Multilayer paper web |
| 12/17/1997 | EP0812952A2 Method and apparatus for manufacturing papers with watermarks or patterns and paper thus manufactured |
| 12/17/1997 | EP0812951A2 Process and headbox for a papermaking machine |
| 12/17/1997 | EP0641401B1 High loop density pin seam |
| 12/10/1997 | EP0689626A4 Wood pulp processing apparatus and method |
| 12/10/1997 | EP0522093B1 Method and device for cleaning an endless wire cloth on a papermaking machine |
| 12/09/1997 | US5695613 Rib construction for a draining device in a paper machine |
| 12/09/1997 | US5695611 Process for modifying a breast box for a paper or cartonmaking machine |
| 12/09/1997 | US5694980 Woven fabric |
| 12/09/1997 | US5694961 Device and method for changing the flow resistance of a fluid flow control device |
| 12/09/1997 | CA2015218C Paper machine fabric |
| 12/04/1997 | WO1997045589A1 A method and board machine for manufacturing a paperboard web |