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)
11/1998
11/05/1998WO1998049392A1 Barrier for dewatering fibrous suspensions
11/05/1998DE19718034A1 Stock inlet
11/04/1998EP0875622A2 Ultrasonic device for deflocculating fiber suspension in a paper-making machine
11/04/1998EP0874938A1 Paper having improved pinhole characteristics and papermaking belt for making the same
11/04/1998EP0874937A1 Pintle wire
11/03/1998US5830322 Velocity induced drainage method and unit
11/03/1998US5829489 Two-layer paper-making fabric having auxiliary weft on the paper-making side
11/03/1998US5829488 Dryer fabric with hydrophillic paper contacting surface
11/03/1998CA2146391C Guiding roller for web material, in particular, for paper production and finishing machines
11/03/1998CA2126705C A method of and a reactor for removing impurities from a liquid
11/03/1998CA2070051C Papermakers fabric having a synthetic molded seam
10/1998
10/29/1998WO1998048104A1 Paper forming activity control with lifting variable inertial stimulation blades with limited-vent indented-surfaces
10/29/1998CA2279622A1 Paper forming activity control with lifting variable inertial stimulation blades with limited-vent indented-surfaces
10/28/1998EP0873448A1 Security paper
10/28/1998EP0873446A1 Improved system for making absorbent paper products
10/28/1998EP0791102B1 Apparatus for cleaning papermachine clothing
10/27/1998US5827400 Liquid treatment device
10/27/1998US5827399 Computerized control of transverse fiber distribution to improve uniformity, quality; for laser printing or copying
10/27/1998US5826627 Composite papermaking fabric with paired weft binding yarns
10/22/1998WO1998046824A1 Multiflow pressurized deinking apparatus
10/22/1998WO1998046823A1 Control flow system (method and device) in the headbox of a paper machine
10/22/1998DE19716146A1 On-line, localised automatic control of weight profile across a web of paper in the papermaking machine
10/22/1998DE19715985A1 Suspension distribution system for paper making machine
10/22/1998DE19715790A1 Suspension distributor for e.g. papermaking machine, delivering over its full width
10/22/1998DE19715789A1 Mechanical adjuster e.g. for the transverse setting of papermaking head box partition
10/22/1998CA2286292A1 Multiflow pressurized deinking apparatus
10/21/1998EP0872590A2 Dewatering instrument for a paper machine twin-wire former
10/21/1998EP0871856A1 Method and apparatus for working up a sample of liquid
10/20/1998US5825653 Method for overall regulation of a former of a paper machine or equivalent
10/20/1998CA2071226C Two-layer paper machine cloth
10/20/1998CA2057036C Forming fabric having a nonwoven surface coating
10/15/1998WO1998045533A1 Procedure for washing the fabrics of a paper machine or equivalent
10/14/1998EP0870870A2 Apparatus for moving a band, in particular for moving a transport band in an installation to dewater a web
10/14/1998EP0870085A1 Improved system for making absorbent paper products
10/14/1998EP0772714B1 Method and arrangement for producing a foam-formed fibre or paper web
10/14/1998CN1196099A Papermaker's fabric with additional cross machine direction yarns positioned in saddles
10/13/1998US5820959 Corrugator fabric
10/13/1998US5820735 Under felt inclined flat former to produce multilayer or monolayer sheet of paper
10/13/1998US5820734 Trailing element for a headbox
10/13/1998US5820732 Cleaning apparatus for cleaning a forming wire
10/13/1998US5820731 Method and apparatus in a paper or board machine for dewatering the web
10/13/1998US5819811 Low air permeability papermaking fabric seam
10/09/1998CA2234274A1 Apparatus for moving a belt, in particular for moving a conveyor belt, in a system for dewatering a web of material
10/08/1998WO1998044193A1 Apparatus for removing fluid from a fibrous web
10/08/1998WO1998044192A1 Water draining device for a former
10/08/1998DE19714244A1 Secondary stock inlet for papermaking machine
10/08/1998CA2325855A1 Apparatus for removing fluid from a fibrous web
10/07/1998EP0868568A2 Method in a paper machine
10/06/1998US5817213 Paper product formed from embossing fabric
10/06/1998US5816507 Device for formation of a fan jet of liquid
10/06/1998US5816500 Contaminant resistant shower pipe assembly
09/1998
09/30/1998EP0867561A1 Process and apparatus for making a hot pulp, containing mainly paper fibres
09/30/1998EP0867560A2 Device for cleaning a conveyor belt
09/30/1998EP0867559A2 Cleaning device
09/30/1998CN1194677A Method for overall regulation of the headbox and/or the former of a paper machine or equivalent
09/30/1998CN1194314A Sewing method for paper making machine cover
09/29/1998US5814191 Arrangement and method for combining a dilution flow with a stock flow passed out of an inlet header in a paper/board machine
09/24/1998WO1998041684A1 System for treatment and circulation of dilution water for the headbox of a paper machine
09/24/1998WO1998041683A1 Method and device in the production of a web material
09/24/1998DE19712652C1 Preparation of used paper fibres for recycling
09/24/1998CA2232959A1 Papermaker's forming fabric
09/23/1998EP0865532A1 Method and arrangement in a web former for preventing rewetting of a web
09/23/1998EP0704006B1 Improved formation in a two fabric paper machine
09/23/1998CN1193672A Functional coatings for paper machine clothings and method of coating same
09/23/1998CN1039931C Forming apparatus for forming web from stock
09/22/1998US5812404 Method for overall regulation of the headbox of a paper machine or equivalent
09/22/1998US5810237 Drive assembly for a web spreading roll
09/22/1998US5810159 Link conveyor especially for paper-making machines
09/22/1998CA2141550C Aqueous suspensions of colloidal particles, preparation and use of the suspensions
09/22/1998CA2040343C Mist removal device in a paper machine
09/17/1998WO1998040555A1 Turbulence generator
09/17/1998DE19806734A1 Flotation cleaning of fibre suspensions especially for processing used paper materials, for recycling
09/16/1998EP0864775A1 Textile belt
09/16/1998EP0789794A4 Method to reduce forming fabric edge curl
09/15/1998US5807465 Absorber from recovered papermaking wastes
09/15/1998US5806684 Fractionator for fractioning particulates in suspension
09/15/1998US5806569 Multiplanar single layer forming fabric
09/15/1998CA2109492C Vacuum filtration system and method of filtering pulp fibers from pulp slurry using the same
09/10/1998DE19715783A1 Fibre suspension water extraction method
09/10/1998DE19709294A1 Paper-making fourdrinier zone
09/09/1998EP0863253A2 Process to thicken a fiber suspension
09/09/1998EP0863252A2 Process and apparatus to dewater a fiber suspension
09/09/1998CN1192495A Corrugated paper pulp impregnating agent, and cylinder special for paper mfg.
09/08/1998US5805453 System identifier for paper machine
09/08/1998US5804626 Polyesters of 2,6-naphthalenedicarboxylic acid having improved hydrolytic stability
09/08/1998US5804281 Cellulosic fibrous structures having at least three regions distinguished by intensive properties
09/08/1998US5804061 Multiflow pressurized deinking apparatus
09/08/1998US5804037 Multiply headbox nozzle with heavy end convergence
09/08/1998US5803364 Axially separable self-cleaning nozzle
09/08/1998US5802648 Apparatus and method of fabric cleaning
09/06/1998CA2231316A1 Process and device for draining a fibrous pulp supension
09/03/1998WO1998038380A1 Rib for a water draining device in a paper machine
09/03/1998WO1998038379A1 Multi axial pin seamed papermakers press felt
09/03/1998WO1998038007A1 Device for surface working of extended coating elements
09/02/1998EP0861940A1 Multi axial seamed papermaker's press felt
09/02/1998EP0861939A1 Welding method for paper machine clothing
09/02/1998EP0670747B1 A concentrating method and means therefor
09/01/1998US5800679 Device in a paper machine or in a finishing device of a paper machine for removing dust
09/01/1998US5800678 Method and device for regulating a flow of dilution liquid in connection with a headbox of a paper/board machine
09/01/1998US5799709 Papermaking fabric seam with seam flap anchor
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