| Patents for D21F 9 - Complete machines for making continuous webs of paper (2,705) |
|---|
| 08/04/1992 | CA1305978C Method of and a device for leading a web moving between two wires on to a desired wire |
| 07/29/1992 | EP0496524A1 High purity stratified tissue and method of making same |
| 07/29/1992 | EP0496073A1 Twin wire former |
| 07/15/1992 | CN1017455B Apparatus and method for making paper web |
| 07/14/1992 | US5129988 Extended flexible headbox slice with parallel flexible lip extensions and extended internal dividers |
| 06/24/1992 | EP0491274A1 Twin-wire former in a paper machine |
| 06/04/1992 | DE4136012A1 Paper pulp solidifying process - has a suppressor shoe within first four drinier loop to contain water with further unit within second fourdrinier loop to extract water on both sides |
| 06/03/1992 | EP0488058A1 Forming-gap arrangement in a twin-wire former of a paper machine |
| 05/27/1992 | EP0486814A1 Wet end of twin-wire paper machine |
| 05/26/1992 | US5116477 Drainage device in a double-sieve mold |
| 05/26/1992 | CA1301514C Headbox for a papermaking machine |
| 05/21/1992 | CA2055837A1 Wet section for a twin wire papermaking machine |
| 05/20/1992 | CN1061254A Multi-wire paper machine formed by facing wires |
| 05/14/1992 | WO1992008844A1 Deflection compensated forming wire turning bar |
| 05/13/1992 | EP0485360A2 Fibrous tape base material |
| 05/05/1992 | US5109764 Double screen belt press with a wedge compression zone for dewatering mixtures of fibrous material suspensions |
| 05/05/1992 | CA1299904C Hydrid former for a paper machine |
| 04/28/1992 | US5108545 Smooth surface for photographic emulsion layer |
| 04/16/1992 | WO1992006242A1 Device for manufacturing multilayer paper or cardboard |
| 04/09/1992 | DE4031038A1 Vorrichtung zum herstellen eines mehrlagigen papiers oder kartons An apparatus for producing a multi-ply paper or cardboard |
| 04/01/1992 | EP0334887B1 Device at fibre board manufacture |
| 03/25/1992 | EP0476002A1 Continuous controlled drainage. |
| 03/25/1992 | EP0475977A1 Pressure control forming section |
| 03/25/1992 | EP0475976A1 Pressurized forming board. |
| 03/19/1992 | WO1992004500A1 Slot nozzle, especially for a twin-wire former |
| 03/19/1992 | DE4028126A1 Schlitzduese, insbesondere fuer einen doppelsiebformer Slit, especially for a twin |
| 03/18/1992 | EP0475921A1 Twin-wire web in a paper machine |
| 03/13/1992 | CA2050647A1 Auto-slice, especially for a twin wire former |
| 03/10/1992 | US5093963 Ductless webber |
| 03/10/1992 | US5093962 Method of forming webs without confining ducts |
| 02/26/1992 | CN2097219U Multi-fourdrinier type machine for making paper |
| 02/19/1992 | EP0471469A1 Sheet-forming apparatus for a paper machine |
| 02/19/1992 | CN2096578U Paper machine and equipment for reclaimed waste paper |
| 02/18/1992 | US5089090 Continuous controlled drainage |
| 02/11/1992 | US5087325 Apparatus for manufacturing a dried web of paper |
| 01/28/1992 | US5084138 Deflection compensated forming wire turning bar |
| 01/23/1992 | WO1992001114A1 Method and apparatus for manufacturing multilayer filter material |
| 01/23/1992 | WO1992001113A1 Method and apparatus for manufacturing multilayer filter material |
| 01/23/1992 | WO1992001112A1 Method and apparatus for manufacturing multilayer filter material |
| 01/22/1992 | EP0439571A4 Improved system and method for forming and dewatering a web on a fourdrinier fabric |
| 01/15/1992 | EP0465698A1 Multi-ply web former and method |
| 01/15/1992 | CN2093194U Laminated network composite forming machine |
| 01/14/1992 | US5080760 Pressurized forming board |
| 01/11/1992 | WO1992001111A1 Multy-ply web former and method |
| 01/08/1992 | EP0464958A1 System and process for continuous determination of paper strength |
| 01/07/1992 | US5078835 Ledge for resiliently supporting a drainage wire of a paper making machine |
| 12/31/1991 | US5076774 Apparatus for forming three dimensional composite webs |
| 12/24/1991 | US5074966 Gap former in a paper machine |
| 12/24/1991 | US5074964 For fourdrinier papermaking machines; adjustable compression compression, dewatering |
| 12/04/1991 | EP0458799A1 A forming apparatus for forming a web from stock. |
| 11/26/1991 | US5068079 Method for forming a dry web on the wire |
| 11/26/1991 | CA1292481C Method for weighing webs during manufacturing |
| 11/20/1991 | CN2089019U Board machine reequipped from fourdurnier paper machine |
| 11/12/1991 | US5064502 Multi-ply web former |
| 11/06/1991 | EP0454989A1 Vertical former |
| 11/06/1991 | CN2088118U Paper-making machine |
| 11/05/1991 | CA2040999A1 Vertical former |
| 10/29/1991 | US5061347 Adjustable ledge for the sheet forming zone of a papermaking machine |
| 10/25/1991 | WO1991016493A1 Paper machine for the manufacture of high bulk soft crepe paper |
| 10/22/1991 | CA1290968C Web forming apparatus |
| 10/16/1991 | EP0309530B1 Machine for manufacture of webs of fibrous materials |
| 10/10/1991 | DE4009627A1 Leiste zur nachgiebigen stuetzung eines siebbandes Bar for resiliently supporting a traveling screen |
| 10/08/1991 | CA1290126C Apparatus and process for forming a laid fibrous web |
| 10/03/1991 | WO1991014826A1 Small rail for flexibly supporting a travelling screen |
| 10/02/1991 | CN1055024A Thin paper forming device for cylinder machine |
| 09/24/1991 | US5051195 Filters |
| 09/05/1991 | WO1991013206A1 A method of forming a paper web |
| 09/04/1991 | EP0444075A1 A device for achieving uniform distribution of airborne fibres, e.g. cellulose-fibres |
| 09/03/1991 | US5045181 Apparatus for removing ash from repulped wastepaper |
| 09/03/1991 | US5045153 Double screen former with flexible laths spaced greater than opposite rigid laths |
| 08/29/1991 | DE4005147A1 Paper making stock inlet jet - delivers fibre suspension in a stream which opens out without micro-turbulence |
| 08/21/1991 | CN1013599B Multiple long net full sealed paper making machine |
| 08/18/1991 | CA2036446A1 Forming a fiber web using a widened jet of suspension |
| 08/14/1991 | EP0440697A1 A paper machine for manufacturing a soft crepe paper web. |
| 08/14/1991 | DE4002304A1 Paper forming stretch |
| 08/07/1991 | EP0439571A1 Improved system and method for forming and dewatering a web on a fourdrinier fabric. |
| 08/01/1991 | DE4002305A1 Paper machinery |
| 07/31/1991 | EP0438685A1 Former in a paper machine |
| 07/31/1991 | EP0438681A1 De-watering apparatus for a twin-wire former |
| 07/25/1991 | WO1991010775A1 Device for guiding the screen of a double-screen part of a paper- or cardboard-making machine |
| 07/24/1991 | EP0438385A1 Procedure and additive for preventing clogging of a handling process of dry cellulose-containing material |
| 07/23/1991 | US5034098 Method of forming a paper web |
| 07/23/1991 | CA1286633C Disc screen improvement for chip screen efficiency |
| 07/17/1991 | EP0436569A1 A tail cutter apparatus and method. |
| 07/13/1991 | CA2034070A1 Procedure and additive for preventing clogging of a handling process |
| 06/05/1991 | EP0429621A1 Process and unit for drying wet nonwovens on a fourdrinier machine |
| 06/04/1991 | US5021159 Apparatus for thickening pulp and paper stock |
| 05/29/1991 | EP0428559A1 An apparatus for cutting a tail from a web. |
| 05/28/1991 | US5019214 Twin-wire former for the production of a web of paper |
| 05/22/1991 | EP0428004A1 Centrifugal washer for paper pulp |
| 05/22/1991 | EP0427734A1 Method of producing dry formed fibre material |
| 05/15/1991 | EP0427691A2 Gap former in a paper machine |
| 05/13/1991 | CA2005848A1 Centrifugal washer for paper pulp |
| 05/07/1991 | US5013460 Perforated cylinder |
| 05/07/1991 | US5013403 Process for continuous determination of paper strength |
| 04/30/1991 | US5011577 Pressure control forming section |
| 04/30/1991 | CA1283572C Method to dewater pulp for paper with simultaneous formation of sheet in a two-wire system, and plant which employs such method |
| 04/18/1991 | WO1991005109A1 Apparatus and method for producing a fiber material web |
| 04/10/1991 | EP0421911A2 A transfer apparatus for transferring a tail of a web |
| 03/13/1991 | EP0417030A1 An apparatus for removing ash from repulped wastepaper |