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)
09/1998
09/01/1998US5799708 Papermaker's fabric having paired identical machine-direction yarns weaving as one
09/01/1998US5799707 Single layer papermakers forming fabric
09/01/1998CA2126157C Wide endless belt
08/1998
08/27/1998WO1998037273A1 Papermaker's fabric with auxiliary yarns
08/27/1998WO1998037272A1 Modified spiral seam arrangement
08/26/1998EP0860546A2 Suction apparatus and press part of a paper machine as well as process to dry a section of a fabric in a paper machine
08/26/1998EP0860545A2 Apparatus to guide a web
08/26/1998EP0860544A2 Functional coatings for paper machine clothings and a method of coating same
08/26/1998EP0860298A2 Security paper
08/26/1998CN2288989Y Paper-making vat
08/25/1998CA2102489C Decontamination valve for a jet pipe in a paper or board machine
08/20/1998WO1998036126A1 Device and method for forming a pulp layer
08/20/1998WO1998036116A1 Laminated integrally woven papermaker's fabric
08/20/1998DE19705592A1 Paper-making machine stock inlet
08/20/1998DE19705591A1 Apparatus is for breast box of paper machine
08/20/1998DE19705590A1 Paper making machine stock inlet
08/19/1998EP0858838A1 Phase separation media, e.g. papermachine clothing or filters
08/19/1998EP0858527A1 Wet-end section of a paper machine with a consistency controlled head-box and a twin-wire former
08/18/1998US5795442 Sealing device for a twin wire dewatering apparatus
08/18/1998US5795441 Breast box for a papermaking machine
08/13/1998WO1998035094A1 Shaker
08/13/1998WO1998035093A2 Method for monitoring and controlling water content in paper stock in a paper making machine
08/13/1998DE19704730A1 Schüttelvorrichtung Shaker
08/12/1998EP0857821A2 Suction device
08/12/1998EP0857816A1 Headbox of a paper machine with edge feed arrangements
08/11/1998US5792322 Flow splitting device for web profile control stock dilution system
08/11/1998US5792321 Plurality of tubes in the diffuser box to generate a vortex force for mixing uniformly; papermaking machine, controllers; efficiency, hydrodynamic
08/11/1998US5792319 Automatically controlling the uniformity in thickness of paper sheets without shutting the papermaking machine
08/11/1998US5791383 Woven fabric belt device
08/06/1998DE19704145A1 Paper-making machine blanket
08/05/1998EP0856082A1 Papermakers dryer fabric
08/05/1998EP0856081A1 Papermakers dryer fabric
08/05/1998CN1189557A Tech. for recovering source from pollution treatment of paper mill
08/04/1998US5789052 Coated with resin
08/04/1998US5788815 Water and cellulose mixture, fibers and fillers, drainage of suspension and circulation
08/04/1998US5787936 Laminated papermaker's fabric having projecting seaming loops
08/04/1998US5787602 Of a papermaking machine
08/04/1998CA2087043C Web former for a paper machine
07/1998
07/30/1998WO1998032916A1 Method and apparatus for control of a headbox in a paper machine
07/30/1998DE19702196A1 Apparatus to clean web carrying belts in paper-making machine
07/29/1998EP0670858B1 Condensation products of polyalkylene polyamines, and their use in papermaking
07/28/1998US5785818 Multiaxial pin seamed papermaker's press felt
07/28/1998US5785815 Process for damping pressure pulsations and apparatus for performing the process
07/28/1998US5785814 Papermaking systems
07/28/1998US5785810 Wood pulp processing apparatus and method
07/28/1998US5785621 Woven belt for a corrugated cardboard machine
07/23/1998WO1998031875A1 Process for preparing fiber boards
07/23/1998WO1998031873A1 Method of controlling curl employing inline headbox edge flow control valve
07/23/1998CA2277363A1 Process for preparing fiber boards
07/22/1998EP0854227A2 Roll for a machine for the manufacturing of a fibrous web
07/22/1998EP0853704A1 Activity induction in papermaking
07/22/1998EP0853702A1 Fabric
07/22/1998CN1188169A Headbox of paper machine with edge feed arrangements
07/21/1998US5783275 Antifalsification paper
07/21/1998US5783045 Pulp and linerboard former with improved dewatering
07/21/1998US5783044 Belt cleaning device for papermaking machines
07/21/1998CA2119903C Two-ply forming fabric with three or more times as many cmd yarns in the top ply than in the bottom ply
07/16/1998WO1998030751A1 Method for controlling consistency of papermaking pulp
07/16/1998CA2277082A1 Method for controlling consistency of papermaking pulp
07/15/1998EP0852638A1 Dryer fabric seaming
07/15/1998EP0627987B1 Multilayer felts
07/14/1998US5779858 Deposition control in pulp and papermaking systems using a composition comprising of polyvinyl alcohol and gelatin
07/09/1998WO1998029603A1 Method for producing paper
07/09/1998WO1998029600A1 Suction box in a paper machine and method in the suction box in a paper machine
07/07/1998US5776313 Papermachine clothing of aliphatic polyketones
07/07/1998US5776312 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
07/07/1998US5776311 Vacuum apparatus having transitional area for controlling the rate of application of vacuum in a through air drying papermaking process
07/07/1998US5776310 Cleaning using mixture of polycarboxylic anionic polymer,2-phosphino-1,2,4-tricarboxybutane and amphoteric surfactant
07/07/1998US5776304 Method and apparatus for treating filler-containing material, such as recycled fibers
07/07/1998CA2134542C Papermakers fabric of polyphthalamide monofilament
07/02/1998WO1998028472A1 Polyester fiber with improved abrasion resistance
07/02/1998DE19654390A1 Verfahren zur Herstellung von Papier A process for the production of paper
07/01/1998EP0851058A2 Wet-end and process to form a multilayer paper web
07/01/1998EP0851057A2 Papermaker's fabric having paired different machine-direction yarns weaving as one
07/01/1998EP0850334A1 Wear-resistant blade element
07/01/1998EP0667926B1 Method and device for transverse distribution of a flowing medium
07/01/1998CN1186132A Papermaker's fabric having paired different machine-direction yarns weaving as one
06/1998
06/30/1998US5772847 Adding water and chelate compound to cellulose sludge
06/30/1998CA2016578C Jointing of fabric ends
06/25/1998WO1998027277A1 Papermakers felts
06/25/1998WO1998027271A1 Separator for a multilayer headbox
06/25/1998WO1998027270A1 Separator in a multilayer headbox
06/24/1998EP0820544A4 Treatments for inhibiting deposition in papermaking systems
06/24/1998EP0720677B1 Yarn positioning apparatus
06/24/1998CN1038863C Method and apparatus for mfg. of shaped object
06/23/1998US5770050 Flotation apparatus
06/23/1998US5770015 Drying section of a paper machine
06/23/1998US5769131 For the forming, press and dryer sections of a paper machine
06/18/1998DE19652485A1 Paper-making machine fourdrinier section
06/18/1998DE19652442A1 Stock inlet
06/18/1998DE19651241A1 Double fourdrinier pulp water extraction
06/17/1998EP0848105A2 Process and apparatus to measure distances in the zone of the headbox in a paper machine
06/17/1998EP0847374A1 Process for water treatment in a closed circuit with a reactor
06/16/1998US5766448 Pressure screening system for processing contaminated pulp fiber
06/16/1998US5766420 Under felt inclined flat former to produce multilayer or monolayer sheet of paper
06/16/1998US5766416 Method of producing watermark paper
06/16/1998CA2140193C Coil seam for single layer industrial fabrics having an uneven shed pattern
06/16/1998CA2078574C Device for cleaning a revolving paper machine wire
06/11/1998WO1998025069A1 Flow splitting device for web profile control stock dilution system
06/11/1998WO1998024973A1 A process for the production of paper
1 ... 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 ... 141