| Patents for D21F 1 - Wet end of machines for making continuous webs of paper (14,078) |
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| 12/02/1992 | EP0515502A1 Apparatus for filtering liquids. |
| 12/02/1992 | EP0515492A1 An apparatus for filtering suspensions and a method of operating the apparatus. |
| 12/01/1992 | US5167770 De-watering apparatus in a two-wire former |
| 12/01/1992 | US5167767 Prevention of deposition of polymerically flocculated particles |
| 12/01/1992 | US5167262 Join length for endless flat woven papermakers fabric |
| 12/01/1992 | US5167261 Papermakers fabric with stacked machine direction yarns of a high warp fill |
| 11/25/1992 | EP0514741A2 Flotation device for removing impurities, particularly printing inks from waste paper suspensions |
| 11/24/1992 | CA1310564C Single-layer papermaking fabric avoiding wire marks |
| 11/17/1992 | US5164249 Controlled porosity papermaking fabric |
| 11/17/1992 | US5163336 Vibration device |
| 11/12/1992 | WO1992019565A1 Bearer for the screen or felt of a paper or cardboard machine, process for making it and its use |
| 11/12/1992 | DE4125470C1 Shoe press for dewatering fibre web in paper machine |
| 11/12/1992 | DE4114668A1 Pulp supply on paper making machines - has distributor in pulsation damper with individual supply lines to narrow sections across machine |
| 11/10/1992 | US5162152 Monofilaments |
| 11/10/1992 | CA1309887C Common wire path of a wet end section of a twin wire paper making machine |
| 11/10/1992 | CA1309853C Nonwoven fabric and method of manufacture |
| 11/04/1992 | EP0511951A1 Screening belt press, respectively sleeve |
| 11/04/1992 | CN1018940B Flow regulating solute equalizer |
| 11/03/1992 | US5160593 Apparatus and method for removing liquid from liquid bearing material |
| 11/03/1992 | US5160584 High consistency sheet former |
| 11/03/1992 | US5160583 Controlled jet injection apparatus for a papermaking machine headbox |
| 11/03/1992 | US5160434 Filter cylinder with drainage surface |
| 10/31/1992 | CA2067455A1 Stationary support device for dewatering wire |
| 10/29/1992 | WO1992018692A1 Slice cleaning apparatus having bias means |
| 10/27/1992 | US5158388 Arrangement for the jointed connection of a moveable flow control element with a support element |
| 10/27/1992 | US5158118 Single layer paper making on which plane surfaces of auxiliary weft threads have been formed |
| 10/27/1992 | US5158117 Two-layer paper machine cloth |
| 10/27/1992 | CA1309242C Fibrous tape base material |
| 10/22/1992 | DE4112347A1 Valve system for mixing suspensions - has valve stems interlinked by single operating component to move their stems simultaneously |
| 10/21/1992 | EP0509561A2 Method and apparatus for treating fiber suspension |
| 10/13/1992 | CA1308592C Headbox for a paper machine or similar |
| 10/06/1992 | WO1992017643A1 Papermachine clothing |
| 10/06/1992 | US5152873 For the manufacture of fiber webs from a pulp slurry |
| 10/06/1992 | US5152326 Binding thread arrangement in papermaking wire |
| 10/06/1992 | CA2108043A1 Papermachine clothing |
| 10/06/1992 | CA1308288C Method and apparatus for compensating deflection of a lip beam in a papermachine |
| 10/05/1992 | CA2064504A1 Device for mounting felts and fabrics in papermaking and like machines |
| 09/29/1992 | US5151316 Multi-layered papermaker's fabric for thru-dryer application |
| 09/29/1992 | CA1307995C Single-layer woven fabric for the papermaking having flat papermaking surfaceformed of auxiliary wefts |
| 09/29/1992 | CA1307994C Woven fabric for papermaking having recesses on papermaking surface filled withauxiliary wefts |
| 09/24/1992 | DE4108759A1 Paper-making stock inlet - has a multiple or central distributor |
| 09/24/1992 | DE4108168A1 Stock inlet diffusor tube - allows a free edge zone between outer tube and edge wall |
| 09/22/1992 | US5149402 Headbox having a primary stock flow and a laterally injected secondary flow |
| 09/22/1992 | US5148838 Papermakers fabric with orthogonal machine direction yarn seaming loops |
| 09/17/1992 | WO1992015753A1 Forming fabric |
| 09/17/1992 | WO1992015743A1 Seam for fabrics |
| 09/17/1992 | CA2103916A1 Forming fabric |
| 09/16/1992 | EP0504123A1 Twin-wire web former in a paper machine |
| 09/16/1992 | EP0503421A1 Polyester fibres modified with carbodiimides and process for their preparation |
| 09/16/1992 | EP0503249A1 Dewatering apparatus for the wet section of a papermachine |
| 09/15/1992 | US5147509 Headbox for a papermaking machine with distribution tubes |
| 09/15/1992 | US5147508 Suction box covers for cleaning papermaking machine felts |
| 09/15/1992 | CA2063023A1 Carbodiimide-modified polyester fiber and preparation thereof |
| 09/15/1992 | CA1307428C Stainproof woven fabric for paper making and method for making the same |
| 09/12/1992 | WO1992015448A1 Method and device for the detection and removal of bulges in continuous strips of material |
| 09/12/1992 | CA2105999A1 Method and device for the detection and removal of bulges in continuous strips of material |
| 09/10/1992 | CA2062394A1 Dewatering device for the web-forming section of a papermaking machine |
| 09/09/1992 | EP0502635A1 Flat woven papermakers wet press felt base fabric which is joined endless |
| 09/09/1992 | CN1064326A Method for control of pitch |
| 09/08/1992 | US5145560 Method and apparatus for monitoring and controlling the velocity of a jet along the slice opening of a papermaking machine |
| 09/03/1992 | WO1992014880A1 Top wire device |
| 09/02/1992 | CN1064119A Papermaking apparatus |
| 09/01/1992 | CA1306894C Process for making wet-laid structures containing individualized stiffened fibers |
| 09/01/1992 | CA1306893C Glide-shoe arrangement for a variable-crown roll |
| 08/27/1992 | DE4124651C1 Open width drawing roll for e.g. paper - has bent, cooled hollow axis which carries tube sections supported via roller bearings |
| 08/27/1992 | DE4106764A1 Stock inlet channel wall, secured to the beam only by rows of rods - holds wall without bending, maintaining constant pulp flow to paper-making machine |
| 08/27/1992 | DE4106763A1 Paper-making stock inlet - monitors gap between the moving channel wall and reference line for correction through heating fluid temp. |
| 08/27/1992 | DE4105803A1 Fibre suspension compression appts. - has high-speed continuous sieve belt round a grooved roller and a perforated hollow cylinder |
| 08/27/1992 | DE4105613A1 Composite filter material - uses separate suspensions held apart during water extraction until their edges bond and then all water is drawn out |
| 08/25/1992 | US5140750 Spiral shrink sleeve |
| 08/25/1992 | CA1306634C Support apparatus for a dewatering unit in the web-forming section of a paper machine |
| 08/21/1992 | CA2061517A1 Felt forming section with breast roller supported by hydrostatic bearing |
| 08/19/1992 | WO1992014879A1 Improvements in and relating to paper machine clothing |
| 08/19/1992 | EP0499427A2 Poly(2-methyl-1,5-pentylene) terephthalamide : a method of using; a method of spinning; and a process for making |
| 08/19/1992 | CN2113292U Dual cylinder sealing and forming device for paper page |
| 08/12/1992 | CN2112645U Cover net forming device |
| 08/12/1992 | CN1063518A Face plates of suction box and fabrication thereof |
| 08/12/1992 | CA2060912A1 Poly (2-methyl-1,5-pentylene) therephthalamide: method of using; method of spinning; and a process for making |
| 08/11/1992 | US5137599 Conversion of pulp and paper mill sludge to papermaking pulp |
| 08/06/1992 | DE4103040A1 Fibre pulp water extn. roller for paper mfr. - comprises side sealing bars for suction chamber and shoe in perforated roller mantle for extn. at differing pressure points |
| 08/05/1992 | WO1992013995A1 Headbox |
| 08/05/1992 | CN2111964U Submersible round net shaper |
| 08/05/1992 | CN1063323A Piling up net forming paper machine |
| 08/05/1992 | CA2079807A1 Headbox |
| 08/04/1992 | US5135802 Absorber felt |
| 08/04/1992 | US5134759 Plate and separator containing such a plate for seizing and separating threads |
| 08/04/1992 | CA1305978C Method of and a device for leading a web moving between two wires on to a desired wire |
| 07/30/1992 | DE4101870A1 Fibre-reinforced inorganic shaped body mfr., e.g. fibre-reinforced cement article - by dewatering fibre-binder suspension, with recycling of the filtrate |
| 07/29/1992 | EP0353255B1 A headbox |
| 07/29/1992 | CN1017636B Enclosed shoe press |
| 07/28/1992 | US5133836 Papermaking headbox having extended divider sheet |
| 07/28/1992 | US5133187 Fluid circuit for maintaining constant pressure between two abutting solid objects |
| 07/28/1992 | CA1305621C Variable-crown roll |
| 07/23/1992 | DE4101350A1 Continuous fourdrinier cleaner preventing build=up of dirt - has set-back step at the second support bar where the paper web is detached |
| 07/21/1992 | US5131980 Hydrocyclone removal of sticky contaminants during paper recycling |
| 07/19/1992 | WO1992013132A1 Device for cleaning an endless wire cloth on a papermaking machine |
| 07/16/1992 | DE4101856C1 Dewatering device partic for sludge of paper fibres |
| 07/15/1992 | CN1017454B Glass-face-plate of vacuum dewatering tank of paper machine |
| 07/14/1992 | US5129992 Stationary support device for drainage wire |
| 07/14/1992 | US5129988 Extended flexible headbox slice with parallel flexible lip extensions and extended internal dividers |