| Patents for B31C 3 - Forming paper tubes or pipes by feeding obliquely to the winding mandrel centre line (572) |
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| 11/19/2003 | CN1457243A Roll-type adhesive cleaner and method for producing same |
| 11/12/2003 | EP1361161A2 Window for spirally formed containers |
| 09/09/2003 | CA2268577C Tubular container with heat seal having an inner and outer bead and method of manufacturing said container |
| 09/04/2003 | US20030165650 Roll type adhesive cleaner and method for producing the same |
| 07/02/2003 | CN1112992C Paperboard core with improved chuck strength for paper industry, and method of fabricating same |
| 06/05/2003 | US20030102362 Tubes and tubular containers |
| 05/30/2003 | WO2003043820A1 A multiply tissue paper and a method of making it |
| 05/22/2003 | US20030096687 Multiply tissue paper and a method of making it |
| 05/14/2003 | EP1310434A2 Tubes and tubular containers |
| 04/09/2003 | CN1408632A paper tube for coiled core |
| 04/01/2003 | US6540174 Paperboard core with an improved chuck strength, for the paper industry, and a method of fabricating such |
| 01/16/2003 | US20030012897 Liquid-resistant paperboard tube, and method and apparatus for making same |
| 01/15/2003 | EP1275494A1 Liquid-resistant paperboard tube, and method and apparatus for making same |
| 01/12/2003 | CA2390337A1 Liquid-resistant paperboard tube, and method and apparatus for making same |
| 12/27/2002 | WO2002102670A1 Hermetically closed container and process for its manufacture |
| 12/18/2002 | EP0921936B1 Apparatus for enhancing seam uniformity in spirally wound tubes |
| 11/12/2002 | CA2228829C Polymeric liner ply for tubular containers and methods and apparatus for manufacturing same |
| 10/09/2002 | EP1071556B1 A paperboard core with an improved chuck strength, for the paper industry, and a method of fabricating such |
| 09/12/2002 | WO2002069780A1 Roll type adhesive cleaner and method for producing the same |
| 09/11/2002 | EP0958180B1 Method and device for production of tubes |
| 07/23/2002 | US6422455 Composite container for vacuum packaging food products such as dough and associated methods |
| 07/18/2002 | US20020092284 Core for a spinning bobbin and method of producing the core |
| 05/28/2002 | US6394385 Winding cores for pressure-sensitive tape and methods of making same |
| 05/21/2002 | US6391135 Methods and apparatus for manufacturing tubular containers |
| 04/30/2002 | US6378763 Window for spirally formed containers |
| 04/17/2002 | CN2486313Y Composite paper tube coiler |
| 04/03/2002 | EP0993367B1 Method and machine for making wound carton tubes, and tubes therefrom |
| 03/28/2002 | DE10045945A1 Kern für eine Spinnspule und Verfahren zur Herstellung des Kerns Core for a spinning reel, and method for making the core |
| 03/20/2002 | EP1188704A1 Core of a reel and method for its manufacturing |
| 02/26/2002 | US6350500 Tubular composite containers having folded unsupported film liners |
| 02/07/2002 | US20020014523 Tubular container with a heat seal having non-symmetrical inner and outer beads |
| 01/29/2002 | CA2248665C Core and a method of manufacturing such |
| 12/27/2001 | WO2001098069A1 Use of foamed adhesives to make paper cores or tubes |
| 12/19/2001 | EP0894048B1 Core and a method of manufacturing such |
| 10/16/2001 | US6302321 Sealant layer for container lid |
| 10/10/2001 | EP1142791A2 Composite container for vacuum packaging food products |
| 10/05/2001 | CA2315609A1 Composite container for vacuum packaging food products such as dough and associated methods |
| 10/03/2001 | CN1072103C Process for producing tubes from composite cardboard, device for carrying out same |
| 10/02/2001 | US6296600 Composite container having foamed adhesive |
| 10/02/2001 | CA2228797C Tubular container and methods and apparatus for manufacturing same |
| 08/16/2001 | US20010013538 Tubular composite containers having unsupported film liners and methods and apparatus for making same |
| 08/07/2001 | US6270004 Tubular composite containers having unsupported film liners and methods and apparatus for making same |
| 08/01/2001 | EP0876249B1 Process for production of tubes out of composite cardboard and device for carrying out the process |
| 07/24/2001 | US6264098 Tubular container with a heat seal having non-symmetrical inner and outer beads |
| 06/12/2001 | US6244500 Polymeric liner ply for tubular containers and methods and apparatus for manufacturing same |
| 05/16/2001 | EP0740640B1 Yarn winding cores |
| 04/18/2001 | EP1092648A2 Tubular container with a heat sealed lid having inner and outer sealing beads |
| 04/18/2001 | EP1092526A1 Sealant layer for container lid |
| 03/21/2001 | CN1288410A Paperboard core with an improved chuck strength, for the paper industry, and a method of fabricating such |
| 03/07/2001 | EP1080875A1 Tubular composite containers having folded unsupported film liners and methods and apparatus for making same |
| 03/07/2001 | EP1080874A1 Tubular composite containers having unsupported film liners and methods and apparatus for making same |
| 03/07/2001 | EP0944524B1 Manufacture of an endless plastic pipe |
| 02/20/2001 | US6190485 Methods of manufacturing tubular containers having polymeric liner plies |
| 01/31/2001 | EP1071556A1 A paperboard core with an improved chuck strength, for the paper industry, and a method of fabricating such |
| 12/12/2000 | US6159564 Core and a method of manufacturing such |
| 12/06/2000 | EP1057733A1 Window for spirally formed containers |
| 12/05/2000 | CA2192319C Core for core wound paper products having preferred seam construction |
| 11/30/2000 | WO2000071437A1 Flexible collagen bag and method for the production thereof |
| 11/28/2000 | US6152355 Tubular container with raised panel design |
| 11/22/2000 | CN2406811Y Coiling apparatus for making paper coiled pencil |
| 11/14/2000 | US6145196 Method of making a paint roller with non-plastic base material |
| 10/24/2000 | US6135346 Composite container having foamed adhesive |
| 10/19/2000 | DE19923686A1 Method to manufacture cladding tubes from card or paper; involves using spiral rolling machine to roll overlapping webs, where windings of innermost layer do not overlap and gaps are filled in |
| 09/06/2000 | EP0767756B1 Core for core wound paper products having preferred seam construction |
| 08/22/2000 | US6106451 Method and apparatus for forming spirally wound rectangular cross-section tubes of thermoplastic cardboard strips |
| 06/20/2000 | US6077377 Process for production of tubes out of composite cardboard, device for carrying out the process and composite material used therein |
| 06/20/2000 | US6076728 Tubular container having polymeric liner ply |
| 06/14/2000 | EP1007343A1 A structural ply of a paperboard core, a paperboard core made thereof, and a method of improving the stiffness of a paperboard core |
| 05/24/2000 | EP1002731A1 Composite container having foamed adhesive |
| 05/23/2000 | CA2173479C Machine for producing cardboard or similar tubes, with means for cutting the tube into sections of predetermined lengths |
| 04/19/2000 | EP0993367A1 Method and machine for making wound carton tubes, and tubes therefrom |
| 03/22/2000 | CN1247799A Manufacture equipment for honeycombed cardboard |
| 03/15/2000 | CN1247501A Structural ply of paperboard core, paperboard core made thereof, and method of improving stiffness of paperboard core |
| 03/14/2000 | US6036629 Cylindrical composite container having a recessed spiral groove and process for manufacturing |
| 03/08/2000 | CN2367453Y Vertical winding apparatus for storage cylinder of glass-fiber reinforced plastics |
| 03/07/2000 | US6033352 Method and apparatus for enhancing seam uniformity in spirally wound tubes |
| 02/22/2000 | US6027439 Two-piece paperboard lids having spiral-wound side wall and non-circular geometries, and methods of making the same |
| 02/22/2000 | CA2262875C Method and apparatus for enhancing seam uniformity in spirally wound tubes |
| 01/27/2000 | DE19832574A1 Manufacture of cans with a rotatable inner and outer shell sections, by making cuts in outer section of unwound length of double wall sleeve, and then fixing outer section ends to prevent rotation relative to inner section |
| 11/24/1999 | EP0958180A1 Method and device for production of tubes |
| 11/09/1999 | US5979748 Tubular container with a heat seal having an inner and outer bead and method of manufacturing said container |
| 10/27/1999 | EP0952087A2 Tubular container with heat seal having an inner and outer bead and method of manufacturing said container |
| 09/29/1999 | EP0944524A1 Manufacture of an endless plastic pipe, and equipment required |
| 08/12/1999 | WO1999039902A1 A paperboard core with an improved chuck strength, for the paper industry, and a method of fabricating such |
| 06/30/1999 | CN2326431Y Internal driving device of spiral tube-coiling machine |
| 06/30/1999 | CN2326428Y Automatic loading-unloading device for body paper dividing machine |
| 06/16/1999 | EP0921936A1 Method and apparatus for enhancing seam uniformity in spirally wound tubes |
| 04/14/1999 | CN2313738Y Apparatus for wrapping corrosionproof glass fiber fabric onto pipelines |
| 03/03/1999 | CN1209769A Process for producing tubes from composite cardboard, device for carrying out same and composite material used therein |
| 02/23/1999 | US5873806 Machine for producing cardboard or similar tubes, with means for cutting the tube into sections of predetermined lengths |
| 02/10/1999 | CN1042010C Machine for producing tubes with means for spirally winding strips on idle installation spindle |
| 02/03/1999 | EP0894048A1 Core and a method of manufacturing such |
| 02/02/1999 | US5865396 Core for core wound paper products having preferred seam construction |
| 01/14/1999 | WO1999001276A1 Method of making carton tubes, apparatus for making carton tubes by carrying out the method, and tubular body made by carrying out the method |
| 01/12/1999 | US5857613 Easy-open container for refrigerated dough products and the like |
| 01/07/1999 | EP0888877A1 Method and machine for making wound carton tubes, and tubes therefrom |
| 12/08/1998 | US5846619 Polymeric liner ply for tubular containers and methods and apparatus for manufacturing same |
| 11/11/1998 | EP0876249A2 Process for production of tubes out of composite cardboard, device for carrying out the process and composite material used therein |
| 11/10/1998 | US5833592 Method and apparatus for enhancing seam unifority in spirally wound tubes |
| 11/03/1998 | US5829669 Tubular container and methods and apparatus for manufacturing same |