Patents
Patents for D21F 1 - Wet end of machines for making continuous webs of paper (14,078)
06/1983
06/08/1983EP0080686A1 Double layer fabric as a Fourdrinier wire for paper machines
06/07/1983US4387003 Manifold-like chamber with plurality of distribution conduits
06/07/1983US4386519 Specific surface fractionator
06/07/1983CA1147588A1 Fourdrinier table
06/01/1983EP0080447A2 Means for controlling the position and location of a stationary member acting on the paper web in a paper machine
05/1983
05/31/1983US4385961 Papermaking
05/31/1983CA1147184A1 Low permeability dryer fabric
05/25/1983EP0079431A1 Single-layer paper-making fabric
05/24/1983US4384922 Installation for charging a multi-ply headbox for papermaking machines
05/24/1983US4384412 Dryer drum siphon
05/24/1983CA1147066A1 Radiation inspection system for a material making apparatus and method using a beta ray gauge
05/24/1983CA1146787A1 Method of fabricating papermakers machine clothing
05/18/1983EP0079316A2 Web forming method and device
05/18/1983EP0079052A2 Method and apparatus for adjusting die clearance
05/17/1983CA1146396A1 Layered paper having a soft and smooth velutinous surface, and method of making such paper
05/17/1983CA1146395A1 Attenuator-headbox connecting
05/11/1983WO1983001637A1 Process of producing fiberboard according to the wet method
05/11/1983EP0078406A2 Method and apparatus for stock deflocculation on the Fourdrinier machine wire
05/10/1983CA1145986A1 Low bulk, pin-type seam for use in paper making equipment fabrics, such as dryer felts
05/04/1983EP0077901A2 Hydrolysis resistant fabric for paper making and like uses
05/03/1983US4381612 Dryer fabric for papermaking machine and method
04/1983
04/26/1983US4381219 Headbox arrangement for a papermaking machine
04/26/1983CA1145176A1 Method and apparatus for handling white water in a twin-wire machine
04/19/1983CA1144795A1 Twin wire web former (adaption)
04/19/1983CA1144781A1 Eccentric-operated vibrating apparatus
04/13/1983EP0076788A1 Use of substances giving off oxygen in reduction of dark colouring of pulp
04/12/1983US4379735 Three-layer forming fabric
04/12/1983CA1144407A1 Dryer felt fabric
04/06/1983EP0075782A2 Method and apparatus for controlling a product which is influenced by a metering process
04/05/1983CA1143982A1 Apparatus and method for maintaining the permeability of paper and board machine felts
04/05/1983CA1143981A1 Filter or wire machine for washing stock suspensions
03/1983
03/31/1983WO1983001080A1 Use of substances giving off oxygen in reduction of dark colouring of pulp
03/29/1983US4378272 Water purifying latex binder
03/15/1983US4376455 Eight harness papermaking fabric
03/09/1983EP0073233A1 Method and device for constructing a shackled conveyor belt from helical elements.
03/08/1983US4376014 Headbox for forming multi-ply sheets
03/08/1983US4376013 Process for removal of pitch-containing water and method of coating belts for paper machine
03/08/1983US4376012 Method of forming a multi-ply web from paper stock
03/08/1983CA1142380A1 Multi-ply paperboard machine
02/1983
02/22/1983US4374729 Strainer drum for pulp and the like
02/22/1983US4374703 Control system for papermaking machine headbox
02/16/1983EP0072188A2 Web forming machine
02/16/1983EP0071646A1 A vacuum box for use in high speed papermaking
02/15/1983US4373993 Slice lip forming a smooth continuous surface
02/15/1983CA1141218A1 Papermaking machine with a filter cylinder
02/15/1983CA1141151A1 Paper drier drum
02/09/1983EP0071118A1 A flow rectifier
02/08/1983US4372816 Head box for a paper making machine
02/01/1983CA1140382A1 Process for producing fiberboard wherein dissolved wood matter is separated from the process water
02/01/1983CA1140381A1 Method of cleaning a drying wire in a paper making machine
02/01/1983CA1140380A1 Stock delivery method
02/01/1983CA1140320A1 Apparatus for stretching an endless web
01/1983
01/26/1983EP0070709A2 Mineral filled abrasion-resistant monofilament
01/26/1983EP0070708A2 Paper-making belts of fused polymeric filaments
01/25/1983US4370375 Abrasion-resistant monofilament with molybdenum disulfide useful in the formation of papermaking belts
01/25/1983US4370200 Method of influencing a pre-drained fibrous web on a screen
01/25/1983US4369586 Dryer siphon
01/25/1983CA1140165A1 Supporting members in paper or paperboard making machinery
01/20/1983WO1983000173A1 Flow box
01/19/1983EP0069925A1 Wet end of a paper-making machine
01/18/1983US4368628 Apparatus for treatment of suspensions in movement
01/11/1983US4368102 Apparatus for regulating pulp density
01/11/1983US4368101 Series of flotation cells
01/11/1983CA1139143A1 Method for producing multilayer paper
01/11/1983CA1139142A1 Headbox
01/11/1983CA1139141A1 Apparatus for forming paper
01/05/1983EP0069101A2 A forming fabric
12/1982
12/28/1982US4366025 Suction press roll
12/28/1982CA1138240A1 Method and means for effecting cross direction fiber orientation in a papermaking machine headbox
12/21/1982US4364421 Woven textile dryer fabric and seam and weaving method
12/21/1982US4364185 System for drying wet, porous webs
12/21/1982CA1137925A1 Header arrangement for hydrocyclones having concentric accept outlet arrangements
12/14/1982US4363701 Supporting member for paper-making screen in paper machines
12/14/1982CA1137387A1 Papermachine dryer fabric
12/08/1982EP0066528A1 Extended nip shoe
12/07/1982US4362776 Helices of thermosetting resin
12/07/1982US4362600 Sulfate fibers, flocculation
12/07/1982CA1136901A1 Mechanical drive for rotatable mantle roll mounted onto a stationary axle, especially for a deflection-compensated roll mantle of a paper machine
11/1982
11/30/1982US4361467 Headbox for a papermaking machine
11/30/1982US4361466 Air impingement web drying method and apparatus
11/30/1982CA1136463A1 Extended nip press with special belt
11/30/1982CA1136462A1 Extended nip press
11/24/1982EP0065428A1 Controlled deflection roll, particularly for the papermaking industry
11/23/1982US4359828 Vacuum box for use in high speed papermaking
11/23/1982CA1135984A1 Hollow monofilaments in paper-making belts
11/17/1982EP0064933A1 Extended nip press
11/16/1982US4359501 Endless belts
11/16/1982US4359069 Low density multilayer papermaking fabric
11/16/1982CA1135499A1 Cylinder dryer with boundary layer turbulence
11/09/1982US4358342 Papermaking headbox having rigid lips and actvating means
11/09/1982CA1135099A1 Manufacture of absorbent paper products
11/02/1982US4357370 Twin short dwell coater arrangement
11/02/1982US4356844 Papermaker's forming fabric
11/02/1982CA1134659A1 Forming fabric seam and method of producing
11/02/1982CA1134658A1 Method and device for forming a multi-layer jet of papermaking stock
10/1982
10/27/1982EP0063380A2 Abrasion-resistant monofilament with molybdenum disulfide
10/26/1982USRE31065 Steam distribution system
10/26/1982US4355762 Apparatus for establishing a liquid curtain
10/26/1982CA1134189A1 Press fabrics resistant to wad burning
10/26/1982CA1134188A1 Stock supply system for paper machine