| Patents for B31F 1 - Mechanical deformation of paper or cardboard without removing material including combined deformation and laminating (9,445) |
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| 02/25/1992 | US5091032 Multi-nip high-speed paper converting |
| 02/25/1992 | US5090898 Infra-red heating |
| 02/22/1992 | CA2049552A1 Embossed facial tissue |
| 02/18/1992 | CA1295867C In-line process for manufacturing printed pop-up product |
| 02/12/1992 | EP0470554A1 Roller with heating means |
| 02/11/1992 | US5087313 Paper web alignment system |
| 02/10/1992 | CA2048436A1 Roll having heating means |
| 01/29/1992 | CN2094442U Decorative border rolling device for pattern easy changeable napkin |
| 01/19/1992 | WO1992001401A1 Sheet of loop material, and garments having such loop material incorporated therein |
| 01/19/1992 | CA2085604A1 Sheet of loop material and garments having such loop material incorporated therein |
| 01/08/1992 | CN2092423U Corrugated cardboard having novel construction |
| 01/02/1992 | EP0463333A2 Thermoplastic film having a surface pattern and method for its fabrication |
| 12/31/1991 | US5076874 Process for forming a paper, burlap or cloth flower pot cover |
| 12/27/1991 | CA2050370A1 Continuous sheet pleating device for making overlapping pleats and arrangements for making areas with no pleats and method of making pleats |
| 12/19/1991 | DE4018869A1 Appts. for spreading folded nonwoven filter block - has blade like rams reciprocating into folds of filter material to press fold peaks into V-grooves of ribbed filter material holder |
| 12/17/1991 | US5073431 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 |
| 12/17/1991 | US5073162 Apparatus for forming containers with rounded edges |
| 12/12/1991 | WO1991016193A3 Method and device for manufacturing coated cardboard corner pieces, and corner pieces thereby produced |
| 12/12/1991 | DE4018426A1 Machine for making single sided corrugated cardboard - has pressurised glue reservoir to press cardboard against rollers for corrugation and gluing |
| 12/11/1991 | EP0461083A1 Machine for folding and glueing the flaps of a coating paper to cardboard or similar |
| 12/11/1991 | CN2090319U Puper-tape tension device for metal-foil and paper combining machine |
| 12/10/1991 | US5071507 Pasting machine in a corrugator |
| 12/03/1991 | CA1292667C Device for making laminated arch corrugated structures |
| 12/03/1991 | CA1292666C Corrugating machines |
| 12/02/1991 | CA2043319A1 Machine for folding and glueing the flaps of a coating to cardboard or similar |
| 11/28/1991 | WO1991017881A1 Corrugated board manufacture |
| 11/26/1991 | CA2041376A1 Insulating pouch |
| 11/16/1991 | CA2016927A1 Method and apparatus for forming scored lines on sheet material |
| 11/13/1991 | EP0333812B1 Device for continuously determining a condition indication of the surface of a crepe paper web in motion |
| 11/13/1991 | CN2088477U Dryer for corrugated paper board |
| 11/12/1991 | US5064598 Process and apparatus for manufacturing a pleated filter insert |
| 11/12/1991 | US5064409 Method and apparatus for forming containers with rounded edges |
| 11/06/1991 | CN2088033U Corrugation machine of float-type paper-shoveling structure |
| 11/05/1991 | CA1291659C2 Article forming system |
| 11/05/1991 | CA1291616C Method for hot-forming a laminated sheet of synthetic resin, as well as a device for working this method |
| 10/31/1991 | WO1991016193A2 Method and device for manufacturing coated cardboard corner pieces, and corner pieces thereby produced |
| 10/15/1991 | US5057176 Method of forming corrugated paperboard automotive liner |
| 10/15/1991 | US5056733 Tubular yarn carrier having improved nose construction |
| 10/09/1991 | EP0451013A1 Method and apparatus for making an embossed part in a sheet metal plate and product obtained by this method |
| 10/08/1991 | US5054389 Unitary paper impression device |
| 10/02/1991 | CN2085724U Corrugated paperboard for packing carton |
| 09/25/1991 | EP0448524A2 Method for making fibre box-like containers and related covers, and containers made thereby |
| 09/25/1991 | EP0448344A2 Multiple ply paperboard product and method of making the same |
| 09/24/1991 | US5050646 Papermakers fabric for corrugation machines |
| 09/21/1991 | CA2038638A1 Multiple ply paperboard product and method of making the same |
| 09/18/1991 | CN1054655A Improvements of calender and embossing bowls |
| 09/17/1991 | US5049216 Warp control apparatus and method for sheet material |
| 09/11/1991 | EP0446138A1 Process for making paper for filterbags and product |
| 09/11/1991 | EP0445944A2 Improvements relating to calendar and embossing bowls |
| 09/10/1991 | US5046944 Infra-red generation |
| 09/08/1991 | CA2037206A1 Calender and embossing bowls |
| 08/13/1991 | US5038448 Non-woven web with cellulose |
| 08/06/1991 | US5036758 Emboss roll |
| 07/31/1991 | EP0439035A1 Corrugating roll unit exchanging apparatus for a single facer |
| 07/24/1991 | EP0437848A1 Method for folding an edge on a continuous material web |
| 07/24/1991 | EP0437541A1 Improvements in corrugating machines |
| 07/24/1991 | CN2081341U Corrugated roller making slanting corrugated paper |
| 07/10/1991 | EP0436170A2 Process and installation for the production of embossed household or sanitary paper |
| 07/10/1991 | EP0435949A1 Method for wrapping a floral grouping |
| 07/09/1991 | US5030307 Method of ornament production |
| 07/09/1991 | US5030081 Multi-ply embossed fibrous sheet and apparatus for producing same |
| 07/09/1991 | US5029749 Paper container and method of making the same |
| 07/03/1991 | EP0279850B1 Corrugated board coating method and apparatus |
| 06/26/1991 | EP0434459A1 Packaging materials and processes for producing packaging materials |
| 06/25/1991 | US5026453 Apparatus for ornament production |
| 06/18/1991 | US5024596 Infra-red equipment |
| 06/05/1991 | EP0429805A2 Method and device for making pleated filter inserts |
| 06/05/1991 | EP0408623A4 Manufacturing corrugated board |
| 05/30/1991 | WO1991007336A1 Assorting inlay for packaging individual articles, in particular chocolates, and device for manufacturing a material blank which can be deformed into assorting inlays |
| 05/28/1991 | CA2030667A1 Process and apparatus for manufacturing a pleated filter insert |
| 05/22/1991 | EP0428136A1 Method for increasing the bulk of creped tissue and creped tissue product |
| 05/16/1991 | WO1991006694A1 Resilient packing product |
| 05/14/1991 | US5015317 Method and apparatus for making a multi-cellular collapsible shade |
| 05/14/1991 | CA2026797A1 Method for increasing the bulk of creped tissue |
| 05/14/1991 | CA1284158C Glue applicator for single-faced corrugated web |
| 05/08/1991 | EP0426548A1 Multi-ply sheet of absorbent paper |
| 04/25/1991 | DE3943498A1 Index sheet reinforcing strip applicator |
| 04/23/1991 | CA1283318C Corrugated board |
| 04/17/1991 | EP0422660A1 Tampon, especially for feminine hygiene, and a process and apparatus for producing this |
| 04/17/1991 | EP0250432B1 Machine and method for assembling pleated filter material and a hollow core member |
| 04/16/1991 | US5007986 Creping doctor with two suction chambers in the support beam |
| 04/16/1991 | US5007229 Method of wrapping utilizing a self adhering wrapping material |
| 04/13/1991 | CA2000601A1 Process and apparatus for the sealing of paper sheets |
| 04/09/1991 | US5005473 Press roll elevator in a double facer |
| 04/03/1991 | EP0419826A1 Machine for making corrugated board |
| 03/28/1991 | DE4006003A1 Corrugating machine with rollers and bending device - uses paired force action on roller ends via shock absorber using friction or hydraulic choke |
| 03/27/1991 | EP0418364A1 Procedure for the manufacturing of corrugated board or the like |
| 03/27/1991 | EP0418363A1 Procedure for the manufacturing of corrugated board |
| 03/22/1991 | CA2025867A1 Method and apparatus for manufacturing corrugated boards |
| 03/02/1991 | WO1991003367A1 Nonwoven fibrous embossed plastic film |
| 02/19/1991 | US4994144 Steaming under tension |
| 02/13/1991 | EP0412255A1 Heating device for corrugated board making plant |
| 02/12/1991 | US4992140 Method for creping a paper web and product produced thereby |
| 02/06/1991 | EP0411007A1 Polymeric film material and its production |
| 02/05/1991 | US4989396 Curl wrap and methods for using same |
| 01/23/1991 | EP0409510A1 A heat transfer system |
| 01/23/1991 | EP0409315A1 Improved method for manufacturing a laminate having at least ione pleated lamina |
| 01/23/1991 | EP0408623A1 Manufacturing corrugated board. |
| 01/16/1991 | EP0408248A2 Embossing and laminating apparatus for paper |
| 01/08/1991 | CA1278801C Roller for glue applying folding machines |