| Patents for B31B 29 - Machinery characterised by making envelopes or bags with structural provision at the base for thickness or contents (576) |
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| 02/08/2001 | DE19905040C1 Vorrichtung zum Aufziehen der Enden von kontinuierlich quergeförderten flachen Schlauchstücken während der Herstellung von Säcken oder Beuteln An apparatus for winding the ends of continuously transversely conveyed tube pieces flat during the production of sacks or bags |
| 11/08/2000 | CN1272824A Method and apparatus for manufacturing tube-shaped packages made of flexible material |
| 09/27/2000 | CN1267619A High-efficiency low-cost cutting and bag-making machine |
| 09/20/2000 | EP1035967A1 Device for opening tubular bag shapes |
| 08/01/2000 | US6095960 Method and device for manufacturing bags from tubular paper sections of a single layer or multiple layers |
| 07/20/2000 | WO2000041877A1 A method and apparatus for producing a block bottom bag out of a flat bag, and a web of flat bag members for this purpose |
| 07/19/2000 | EP0833744B1 Method of manufacturing flat-bottom bags with a bottom lining |
| 07/18/2000 | US6089002 Method for packing a rectangular inner bag for loading into cylindrical container |
| 06/21/2000 | CN2383763Y Self-absorbing type bottom sealing device for fruit bag machine |
| 06/14/2000 | EP1007408A1 A method for forming bags in plastic material and the bag thus produced |
| 05/24/2000 | EP1001901A1 Method and apparatus for manufacturing tube-shaped packages made of flexible material, and package obtained thereby |
| 04/13/2000 | WO2000020195A1 Device for opening tubular bag shapes |
| 03/29/2000 | EP0989064A1 Bag |
| 03/28/2000 | US6042526 Method of and apparatus for making a bottom of a tubular section for formation of a bag or sack |
| 03/09/2000 | DE19840792A1 Paper or plastic film sack made from a single material sheet has closure flaps with end gussets which, when folded inwards, form reinforced sealing corners |
| 02/16/2000 | CN1244482A Bag making device and method for producing foil sheet bag |
| 02/09/2000 | CN1243783A Method and apparatus for manufacturing and packaging packing film-bag |
| 02/02/2000 | CN1243085A Method and apparatus for producing foil lining bag and apparatus thereof |
| 12/16/1999 | DE19825065A1 Vorrichtung und Verfahren zum Herstellen und Verpacken von Folienbeuteln Apparatus and method for producing and packaging of foil bags |
| 12/09/1999 | DE19825080A1 Verfahren und Vorrichtung zur Herstellung von Folienbeuteln Method and apparatus for the production of foil bags |
| 12/09/1999 | DE19824797A1 Beutelherstellungsvorrichtung und Verfahren zum Herstellen von Folienbeutel The bag making apparatus and method for producing foil bags |
| 12/08/1999 | EP0962309A2 Bag making machine and method for manufacturing bags |
| 12/08/1999 | EP0962308A2 Procedure and device for the production of plastic bags |
| 12/08/1999 | EP0962307A2 Device and procedure for manufacturing and stacking plastic bags |
| 11/23/1999 | US5989172 Method and device for manufacturing bags from tubular paper sections of a single layer or multiple layers |
| 11/03/1999 | EP0953429A2 Process for controlling the the temperature of the heated air in an apparatus for hot air welding of synthetic sheets |
| 09/12/1999 | WO1999062769A1 Method and apparatus for manufacturing tube-shaped packages made of flexible material |
| 07/21/1999 | EP0824463B1 Rectangular inner bag for loading into cylindrical container |
| 07/07/1999 | CN2327524Y Bottom edge layered-extending mechanism for envelope pasting apparatus |
| 07/07/1999 | CN2327523Y Mechanism for pasting bag |
| 06/22/1999 | US5913764 Method of manufacturing flat-bottom bags with a glued-on bottom lining |
| 05/12/1999 | EP0914939A2 Method of manufacturing flat-bottom bags with a glued-on bottom lining |
| 03/03/1999 | EP0899084A1 Improved heat sealing method and apparatus in continuous self-standing upright bag forming/filling machine |
| 02/09/1999 | US5868658 Method of and apparatus for producing beverage containers |
| 01/12/1999 | US5857954 Apparatus for manufacturing cross bottom sacks |
| 01/12/1999 | US5857951 Liquid container and method of manufacturing same |
| 12/08/1998 | US5845995 Bag made of polymer and especially polyolefine fabric and process for producing it |
| 11/24/1998 | US5840002 Substantially rectangular-bottomed container, and apparatus and method for manufacturing same |
| 10/27/1998 | US5827165 Device for pulling open continuously cross-conveyed tube sections for the purpose of forming bottoms in the manufacture of sacks |
| 07/21/1998 | US5782731 Method for checking the correct manufacture of cross bottom valve sacks |
| 06/03/1998 | CN2282976Y Bottom-opening mechanism for square bottom packaging bag mouth-binding machine |
| 05/07/1998 | WO1998018674A1 A method for forming bags in plastic material and the bag thus produced |
| 04/08/1998 | EP0833744A1 Method of manufacturing flat-bottom bags with a glued-on bottom lining |
| 02/25/1998 | EP0824463A1 Rectangular inner bag for loading into cylindrical container |
| 10/29/1997 | EP0758992B1 Bag made of polymer and especially polyolefine fabric and process for producing it |
| 10/14/1997 | US5676467 Slitted plastic bag capable of holding flat, awkward objects |
| 10/07/1997 | CA2083178C Stand-up pouch having cross-seal feature and method of making |
| 08/26/1997 | US5660477 Liquid container and method of manufacturing same |
| 07/24/1997 | WO1997026131A1 Flat bottom plastic bag and method of making the same |
| 07/23/1997 | CN1154907A Device for drawing-open continuous transverse-conveying flexible tube section at bottom of formed bag in bag production |
| 06/25/1997 | EP0780222A2 Method and apparatus for manufacturing bags from single- or multi-ply paper tubes |
| 06/25/1997 | CN2256811Y Special processing equipment for paper plastic composite packaging bag |
| 05/07/1997 | CN1149027A Liquid container and method of manufacturing same |
| 05/02/1997 | EP0770476A2 Apparatus for spreading open tubular blanks for making bottoms in bags |
| 04/30/1997 | DE19540150A1 Drawing up device for continuously cross-conveyed hose sections - is for forming bases in bag production and has paired support tubes connected to suction air sources |
| 04/30/1997 | CN1148544A Device for making fork-shape bottom bag |
| 04/09/1997 | CN1147233A Bag made of polymer and especially polyolefine fabric and process for producing it |
| 02/26/1997 | EP0758992A1 Bag made of polymer and especially polyolefine fabric and process for producing it |
| 01/09/1997 | WO1997000768A1 Method of manufacturing flat-bottom bags with a glued-on bottom lining |
| 01/02/1997 | EP0751081A1 Flexible liquid container and method of manufacturing same |
| 01/02/1997 | DE19522619A1 Verfahren zur Herstellung von Bodenbeuteln mit Innenriegel A process for producing flat-bottom bags with inner panel |
| 10/31/1996 | WO1996033920A1 Rectangular inner bag for loading into cylindrical container |
| 10/30/1996 | CN1134352A Method of apparatus for producing beverage containers |
| 09/24/1996 | US5558612 Apparatus for the continuous production of an article of manufacture, such as envelopes |
| 08/27/1996 | CA2028337C Paper sheet bending apparatus in bag making machine |
| 06/26/1996 | EP0718096A2 Method and apparatus for making a beverage container |
| 06/13/1996 | DE19544672A1 Flat bottomed bags made entirely of polypropylene film |
| 05/28/1996 | US5520464 Heat seal SOS bag |
| 05/21/1996 | US5518316 Heat sealed bag |
| 03/14/1996 | DE4431742A1 Folded paper bag mfg. process |
| 02/08/1996 | WO1996003272A1 Method and apparatus for manufacturing stand-up plastic bags |
| 12/27/1995 | EP0688663A2 Method of making a bag by folding a block bottom in one or both ends |
| 11/21/1995 | US5468206 Container |
| 11/16/1995 | WO1995030598A1 Bag made of polymer and especially polyolefine fabric and process for producing it |
| 06/07/1995 | EP0531444B1 Stand-up pouch having cross-seal feature and method of making |
| 05/03/1995 | EP0650442A1 Container |
| 03/21/1995 | US5398866 Collapsible enclosure having foldable side flaps and a non-foldable bottom portion |
| 12/28/1994 | EP0630743A1 Machine for continuous manufacture of wrappers, pouches, envelopes, etc. |
| 11/22/1994 | CA2124064A1 Apparatus for the continuous production of an article of manufacture, such as envelopes |
| 11/15/1994 | US5364189 Zippered bag and method of forming the same |
| 09/27/1994 | US5350240 Stand-up pouch having cross-seal feature and method of making |
| 09/20/1994 | US5348398 Container |
| 07/13/1994 | EP0605931A1 Method for the manufacture of square bottom containers |
| 03/08/1994 | US5292300 Enclosure and method for making the enclosure |
| 03/02/1994 | WO1994002370A1 Container |
| 03/02/1994 | CN1082986A Container |
| 01/11/1994 | CA2140555A1 Container |
| 12/28/1993 | US5273362 Stand up plastic bag and method of manufacture |
| 12/01/1993 | EP0571728A2 Method for checking the formation of continuously advanced products |
| 11/28/1993 | CA2097001A1 Method for the examination of continuously conveyed workpieces |
| 09/15/1993 | EP0531444A4 Stand-up pouch having cross-seal feature and method of making |
| 08/17/1993 | US5236531 Lamination of an inside to an outside material and heating above fusion point of interior material to bond materials |
| 06/02/1993 | EP0528953A4 Container and method for manufacturing the same |
| 04/20/1993 | US5203758 Method for manufacturing a sack or bag with a bottom being rectangular in the filled state and with a handle, and a sack or bag manufactured in accordance with said method |
| 03/17/1993 | EP0531444A1 Stand-up pouch having cross-seal feature and method of making. |
| 03/03/1993 | EP0528953A1 Container and method for manufacturing the same |
| 01/13/1993 | EP0522383A1 Envelope, case, mailing bag or the like and method for manufacturing the same |
| 01/09/1993 | CA2072823A1 Enclosure and method for making the enclosure |
| 11/24/1992 | US5165799 Flexible side gusset square bottom bags |
| 10/28/1992 | EP0510307A1 Method for making a bag with rectangular bottom in filled condition and with gripper means and following this method made bag |