| Patents for B31F 1 - Mechanical deformation of paper or cardboard without removing material including combined deformation and laminating (9,445) |
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| 12/19/1990 | EP0403089A2 Method and apparatus for forming scored lines on sheet material |
| 12/19/1990 | CN2067640U Drier for corrugated paperboard |
| 12/18/1990 | US4978861 Device for the continuous determination of a surface state index for a moving creped sheet |
| 12/18/1990 | US4978565 Absorbent laminated sheet and manufacturing process for such a sheet |
| 12/13/1990 | WO1990015393A1 Warp control apparatus and method for sheet material |
| 12/12/1990 | EP0401959A1 Method of applying thermoplastic strip to a container |
| 12/11/1990 | US4976677 Process for the production of filters, and a filter produced by the process |
| 12/06/1990 | CA2014888A1 Method of applying a thermoplastic strip to a container |
| 12/05/1990 | CN2066804U Composite crimp corrector for plastic knitting hobbin material |
| 11/27/1990 | US4973441 Method of manufacturing a compressibility gradient in paper |
| 11/06/1990 | CA1275900C Fire resistant materials |
| 11/06/1990 | CA1275899C Fire resistant materials |
| 11/06/1990 | CA1275898C Fire resistant materials |
| 10/31/1990 | EP0395516A1 Process for installing a flexible element of large size, such as a sound absorbing panel on a conjugated receptacle, such as a car dashboard, and apparatus for applying this process |
| 10/18/1990 | WO1990011887A1 Procedure for the manufacturing of corrugated board or the like |
| 10/18/1990 | WO1990011886A1 Procedure for the manufacturing of corrugated board |
| 10/06/1990 | CA2013627A1 Method for creping a paper web product and product produced thereby |
| 10/03/1990 | EP0390536A2 Method of making a composite structure |
| 10/03/1990 | EP0390535A2 Method of making a rigid structure |
| 10/02/1990 | CA1274861A1 Sheet folding apparatus |
| 09/27/1990 | DE3928386C1 Paper and board corrugator - has grooved or fluted rollers and glue applicator |
| 09/25/1990 | US4959109 Apparatus and process for preparing belts |
| 09/19/1990 | EP0387622A1 A creping doctor |
| 09/18/1990 | CA1274143A2 Manufacture of an expanded web of sheet material |
| 09/13/1990 | DE3907863A1 Guiding device for a fluted (corrugated) web in a corrugated board machine |
| 09/11/1990 | US4955531 Blank for use in forming a container having a rounded edge |
| 08/28/1990 | US4953016 Table-shaped jig for positioning elements on a support in accordance to a reference layout |
| 08/22/1990 | EP0383414A1 Single facer |
| 08/21/1990 | US4950216 Method of forming a flower pot |
| 08/14/1990 | US4948448 Impregnation with plastic; adhesively bonding |
| 08/14/1990 | US4947559 For drying corrugated cardboard |
| 08/09/1990 | DE3903683A1 Single-sided corrugated board machine |
| 08/08/1990 | EP0381080A2 Pasting device for a glue machine |
| 08/01/1990 | EP0380083A1 Corrugate machine |
| 08/01/1990 | EP0379767A1 Emboss roll |
| 07/24/1990 | US4942889 Expanded web of sheet material and method of making same |
| 07/12/1990 | WO1990007617A1 A device for introducing liquid composition into the pipes of corrugated cardboard sheets |
| 07/11/1990 | EP0376993A1 A method of embodying multi-ply laminates with an external ply in quality wood or vegetable tissue, for veneering and for use in manufacturing stitched goods, and the product obtained with such a method. |
| 07/11/1990 | CN1043661A Device for introducing liquid composition into pipes of corrugated cardboard sheets |
| 07/03/1990 | US4938739 Equipment for folding paper webs and the like |
| 06/28/1990 | WO1990006845A1 Multi-cellular collapsible shade |
| 06/26/1990 | CA1270969A1 Fast setting starch-based corrugating adhesive having partially hydrolyzed water soluble polyvinyl alcohol component |
| 06/22/1990 | CA2006442A1 Multi-cellular collapsible shade |
| 06/19/1990 | US4935082 Forming corrugated board structures |
| 06/14/1990 | WO1990006222A1 Composites of paper and plastic film, corrugated paperboard incorporating said composites, and methods of making |
| 05/30/1990 | EP0370972A1 Web embossing machine |
| 05/29/1990 | CA1269558A1 Article forming system |
| 05/23/1990 | CN1008106B Preparation of amylum adhesive |
| 05/22/1990 | US4927588 Method multi-ply embossed fibrous sheet |
| 05/22/1990 | US4926666 Assembly for adjusting the rolls of punching and like machines |
| 05/16/1990 | EP0367999A2 A device for impressing raised patterns on sheet materials |
| 05/03/1990 | WO1990004513A1 Improvements in corrugating machines |
| 05/01/1990 | US4921643 Web processing with two mated rolls |
| 05/01/1990 | US4921034 Embossed paper having alternating high and low strain regions |
| 04/27/1990 | CA2001582A1 Corrugating machines |
| 04/25/1990 | CN1041572A Polybutylene terephthalate resin bag |
| 04/24/1990 | US4919877 Process for softening webs |
| 04/18/1990 | EP0364084A1 Longitudinal corrugating system for laminar strips or webs |
| 04/17/1990 | US4917664 Fluted roll for a corrugated board manufacturing machine |
| 04/17/1990 | US4917405 Sheet folding method and apparatus |
| 04/11/1990 | EP0363102A2 Polybutylene terephtalate resin bag |
| 04/11/1990 | EP0362423A1 Method of and apparatus for controlling application of glue to defined areas |
| 04/05/1990 | WO1990003311A1 Method and apparatus for covering portions of an object with a sheet of material having a pressure sensitive adhesive coating applied to at least a portion of at least one surface of the sheet of material |
| 04/04/1990 | EP0361223A1 Press roll elevator in a double facer |
| 04/03/1990 | CA1267327A1 Press with a controlled pressure system |
| 03/29/1990 | DE3931450A1 Vorrichtung zur papierkruemmungsbeseitigung bei aus einem druckgeraet austretenden papierboegen Apparatus for papierkruemmungsbeseitigung at a druckgeraet emerging papierboegen |
| 03/27/1990 | US4911772 Pressing vacuum mandrel axial against lid; wrapping with heat shrinkage material; heating |
| 03/27/1990 | CA1267019A1 Method for forming filter element and forming apparatus therefor |
| 03/06/1990 | US4906679 Adhesives useful for production of corrugated board |
| 03/06/1990 | US4906333 Method and apparatus for extracting dust that is released when creping off a paper web |
| 03/06/1990 | US4905864 Fibreboard sheet and blank and method for producing same |
| 03/06/1990 | CA1266424A1 Sandwich material with a corrugated paper core protected by an external film of plastic material and process for manufacturing the same |
| 02/26/1990 | EP0282535A4 Fabric lamination to concave substrate. |
| 02/20/1990 | US4902366 Process and apparatus for bonding and embossing sheet materials, particularly fiber matting |
| 02/07/1990 | CN2052343U Servo paper-feeding mechanism for coining mill |
| 02/01/1990 | DE3840094C1 Single-sided corrugator |
| 01/30/1990 | US4897031 Article forming system |
| 01/17/1990 | CN2051156U High-efficient paper coining mill capable of changing pattern easily |
| 01/17/1990 | CN1038786A Polymeric film materials and process for making them |
| 01/16/1990 | US4894196 Machine adapted to treat web in response to retarding forces produced by tangential extrusion |
| 01/16/1990 | US4894113 Apparatus for manufacturing a corrugated member |
| 12/27/1989 | EP0347875A2 Web processing with two mated rolls |
| 12/27/1989 | EP0347642A2 Corrugating roller for a single corrugating rolling machine |
| 12/26/1989 | US4889580 Double facer |
| 12/13/1989 | EP0346242A2 Method of manufacturing multi-ply products |
| 12/12/1989 | US4886696 Corrugated paperboard automotive liner |
| 12/12/1989 | US4886563 Method of making corrugated paper board |
| 12/06/1989 | EP0344685A2 Laminating machine in a corrugating installation |
| 11/29/1989 | EP0344056A2 Process and apparatus for producting a multi-ply embossed fibrous sheet |
| 11/28/1989 | US4883451 Paper scoring apparatus |
| 11/23/1989 | EP0342552A2 Double facer |
| 11/23/1989 | DE3816316A1 Device for punching and, if desired, embossing flat materials |
| 11/21/1989 | US4882005 For coated or impregnated laminated liners |
| 11/15/1989 | EP0341652A2 Corrugated paperboard automative liner |
| 11/08/1989 | EP0340220A1 Process for the production of filters, and a filter produced by the process |
| 11/08/1989 | CN1005699B Curl eliminator |
| 11/02/1989 | WO1989010312A1 Polymeric film material and its production |
| 10/31/1989 | US4877567 Method for manufacturing an electrically insulating formed channel member |
| 10/25/1989 | EP0338826A2 Web corrugating method and apparatus |
| 10/25/1989 | EP0338792A2 Embossed paper product |