Patents
Sitemap › D21 - Paper-making; Production of cellulose › D21F - Paper-making machines; Methods of producing paper thereon › D21F 9 - Complete machines for making continuous webs of paper
Patents for D21F 9 - Complete machines for making continuous webs of paper (2,705)
06/1999
06/02/1999EP0918903A1 Twin-wire gap former in a paper machine
06/01/1999US5908534 Method and device for web cutting in the former of a paper machine
05/1999
05/25/1999CA2142262C A multi-ply web forming apparatus
05/06/1999EP0912800A1 Pulp and linerboard former with improved dewatering
04/1999
04/29/1999DE19823724A1 Web coating system for fiber web surface of paper-making machine
04/29/1999DE19747091A1 Wet paper or card coating unit
04/27/1999CA2162126C Improved formation in a two fabric paper machine
04/07/1999EP0906471A1 A method and board machine for manufacturing a paperboard web
03/1999
03/30/1999US5888347 Using cellulosic web, forming fabric, transferring fabric and noncompressive drying
03/30/1999CA2126115C Method, device and arrangement for regulating the control of a transverse profile of a paper web in a paper machine
03/23/1999US5885516 Even distribution of powder
03/17/1999EP0641405B1 A method of rebuilding a conventional tissue machine to a tad machine, and an improved c-wrap type twin wire former suitable for use therein
03/16/1999US5882479 Softeners with paper
03/11/1999WO1999011861A1 Paper web and process for making the same
03/10/1999EP0900877A2 Twin wire former dewatering device for a paper machine
03/10/1999EP0700472B1 A method of forming a tissue paper web
02/1999
02/25/1999WO1999009249A1 A multi-ply web forming method and apparatus and a multi-ply paper or board product formed hereby
02/16/1999US5871617 Paper machine twin-wire former with dewatering limiting blade device
02/16/1999CA2149172C Hybrid former with an mb unit in a paper machine
02/09/1999CA2170407C A multilayer headbox
02/09/1999CA2163370C A method of forming a tissue paper web
02/03/1999EP0894894A2 Process and apparatus for forming a paper web
02/03/1999EP0894893A2 Twin-wire former
02/02/1999US5865955 Pressing water from web
02/02/1999CA2091778C Two-wire web-forming section of a paper machine
02/01/1999CA2244542A1 Dual-screen former and method
01/1999
01/28/1999DE19747301A1 Paper machine's sheet forming system giving wider range of products
01/20/1999EP0639239B1 Jet-speed control in a multi-layer headbox
01/14/1999WO1999001610A1 Method for dehydrating solid-based liquid suspensions, specially fiber-based suspensions
01/14/1999WO1999001609A1 Method for dehydrating solid-based liquid suspensions, specially fiber-based suspensions
01/07/1999EP0888761A1 Apparatus for air-laying of fibrous material or granules
01/07/1999DE19728439A1 Paper-making fourdrinier
01/05/1999US5855738 High density tissue and process of making
12/1998
12/29/1998US5853544 Twin wire former
12/22/1998US5851629 Soft single-ply tissue having very low sidedness
12/22/1998US5851356 Method and apparatus for the lateral sealing of a drainage wedge in a twin-wire paper machine
12/16/1998EP0723613B1 A forming apparatus for forming a web from stock
12/15/1998US5849159 Multi-layer headbox with plastic and metal divider plate
12/10/1998WO1998055686A1 Apparatus and process for preparing a web of paper fibers
12/10/1998DE19819659A1 Paper making fourdrinier section e.g. for production of paper, cardboard
11/1998
11/24/1998CA2110886C Method and device for controlling a wire in a forming gap of a web former
11/11/1998CN1198789A Method and device in a paper machine
11/10/1998US5833809 Twin-wire former
10/1998
10/29/1998WO1998048111A1 A forming apparatus for forming a web
10/29/1998WO1998048110A1 Process and plant for paper and paperboard production starting from waste paper
10/29/1998CA2325852A1 A forming apparatus for forming a web
10/21/1998EP0872590A2 Dewatering instrument for a paper machine twin-wire former
10/13/1998US5820735 Under felt inclined flat former to produce multilayer or monolayer sheet of paper
10/13/1998US5820731 Method and apparatus in a paper or board machine for dewatering the web
10/08/1998WO1998044193A1 Apparatus for removing fluid from a fibrous web
10/08/1998WO1998044192A1 Water draining device for a former
10/08/1998CA2325855A1 Apparatus for removing fluid from a fibrous web
10/07/1998EP0868569A1 Method and device in a paper machine
09/1998
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
09/23/1998CN1039931C Forming apparatus for forming web from stock
09/15/1998CA2109492C Vacuum filtration system and method of filtering pulp fibers from pulp slurry using the same
09/10/1998DE19709294A1 Paper-making fourdrinier zone
09/08/1998US5804037 Multiply headbox nozzle with heavy end convergence
08/1998
08/27/1998DE19706940A1 Hybrid fourdrinier section
08/27/1998DE19706923A1 Double fourdrinier section
08/26/1998EP0860298A2 Security paper
08/26/1998EP0725851B1 Process for the production of a fibrous sheet material
08/26/1998CN2288990Y Wet facial tissue making machine
08/26/1998CN1039600C Apparatus for forming layered paper
08/25/1998US5798024 Materials handling of papermaking
08/20/1998WO1998036126A1 Device and method for forming a pulp layer
08/20/1998DE19705592A1 Paper-making machine stock inlet
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
08/12/1998EP0857818A2 Machine to manufacture a fibrous web
08/04/1998US5788816 Device for the production of multiple layered paper or cardboard
08/04/1998CA2087043C Web former for a paper machine
07/1998
07/29/1998EP0743995B1 Method and system for manufacturing a dry-formed fibrous web
07/29/1998EP0665914B1 Two-wire former
07/28/1998US5785816 Method for the dewatering of a paper fiber material layer in a double-screen former and apparatus for its execution
07/22/1998EP0853703A1 Roll and blade twin-wire gap former for a paper machine
07/21/1998US5783275 Antifalsification paper
07/21/1998US5783045 Pulp and linerboard former with improved dewatering
07/08/1998CN2285787Y Multifunctional double-cylinder circular-mesh paper-making machine
07/01/1998EP0851058A2 Wet-end and process to form a multilayer paper web
06/1998
06/30/1998US5772845 Soft tissue
06/30/1998CA2141597C A method and device for web cutting in the former of a paper machine
06/25/1998WO1998027273A1 Method for drying of paper and dry end of a paper machine
06/18/1998DE19652485A1 Paper-making machine fourdrinier section
06/18/1998DE19651241A1 Double fourdrinier pulp water extraction
06/16/1998US5766420 Under felt inclined flat former to produce multilayer or monolayer sheet of paper
06/16/1998US5766419 Twin-wire gap former in a paper machine
06/04/1998WO1998023812A1 Multi-layer headbox for a paper machine/board machine
06/03/1998EP0845059A1 A paper machine for manufacturing a web of soft crepe paper
06/02/1998US5759353 Web former in a paper machine
05/1998
05/05/1998US5746889 Stock feed system for a multi-layer headbox and method in the operation of a multi-layer headbox
04/1998
04/30/1998WO1998017860A1 Stock feed system for a multi-layer headbox and method in the operation of a multi-layer headbox
04/15/1998CA2212695A1 Multi-ply web former
04/07/1998US5736011 Wet end assembly for a paper making machine
04/07/1998US5735330 Having cavity depth and width sized so that the amount of fluid flow improves formation but is ineffective to break the hydraulic seal between the fabric and the formation blade
04/07/1998CA2072271C Twin-wire web former in a paper machine
03/1998
03/31/1998CA2028019C Double screen belt press
03/25/1998EP0831172A2 Wire section and process for dewatering of a fibrous web in a wire section
03/24/1998US5730841 Two wire former for paper making machines
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