| Patents for B31B 37 - Machinery characterised by making envelopes or bags with structural provision at the base for thickness of contents, from webs, e.g. from tubular webs (684) |
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| 06/14/2000 | EP1007408A1 A method for forming bags in plastic material and the bag thus produced |
| 05/31/2000 | EP1003678A1 Flat bottomed plastic bag |
| 05/24/2000 | EP0783442B1 Container having a rectangular base and its manufacturing |
| 05/02/2000 | US6056681 Apparatus for forming flat-bottomed plastic bags |
| 04/27/2000 | WO2000023327A1 Vertical form, fill, seal machine and methods |
| 02/16/2000 | CN1244482A Bag making device and method for producing foil sheet bag |
| 02/15/2000 | US6023914 Vented pouch arrangement and method |
| 02/09/2000 | CN1243783A Method and apparatus for manufacturing and packaging packing film-bag |
| 02/08/2000 | US6021624 Vented pouch arrangement and method |
| 02/02/2000 | EP0976539A1 Method and machine for preparing flat-bottom bags |
| 02/02/2000 | CN1243085A Method and apparatus for producing foil lining bag and apparatus thereof |
| 12/16/1999 | WO1999064307A1 Flat bottomed plastic bag |
| 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 |
| 11/16/1999 | US5984850 Gusseted bulk bag liner and method of manufacture |
| 09/14/1999 | US5952025 Use in microwave cooking constructed of an elongated tube of flexible material closed at the ends by a cold seal closure that cannot be opened without tearing; cooking heat softens seal for easy opening without tearing tube; popcorn |
| 09/14/1999 | US5951166 Carrier-bag for plate-shaped articles and process for producing the same |
| 08/11/1999 | EP0934209A1 Reclosable stand-up bag |
| 08/05/1999 | WO1999038677A1 Apparatus for forming tubular containers with reinforced edges and container |
| 07/28/1999 | CN2330503Y Delivery device with press plate for making laminated solid body |
| 02/25/1999 | WO1999008862A1 Container and method of manufacturing same from a web of flexible material |
| 02/09/1999 | CA2056187C Method and apparatus to implement double opposed containers fed as a continuous band to filling stations and apt to be sealed by welding as well as the packages thus obtained |
| 11/03/1998 | US5830118 Packaging machine for forming free-standing pouches |
| 10/27/1998 | US5827165 Device for pulling open continuously cross-conveyed tube sections for the purpose of forming bottoms in the manufacture of sacks |
| 09/29/1998 | US5814382 Bag and method of making the same |
| 08/04/1998 | US5788378 Reclosable stand-up bag |
| 07/28/1998 | US5786050 Terable; for refils of liquid detergents; laminate of linear low density polyethylene, polyolefin and nylon and/or polyethylene terephthalate |
| 07/28/1998 | US5786010 Bag and method of making the same |
| 06/30/1998 | US5772332 Container having a rectangular base and its manufacturing |
| 06/02/1998 | US5759144 Gusseted bulk bag liner and method of manufacture |
| 05/07/1998 | WO1998018674A1 A method for forming bags in plastic material and the bag thus produced |
| 05/05/1998 | US5746862 Method of making a liner for roll-off waste containers |
| 04/21/1998 | US5741208 Method of producing a waste container liner |
| 04/02/1998 | WO1998013271A1 Reclosable stand-up bag |
| 04/02/1998 | CA2266914A1 Reclosable stand-up bag |
| 02/10/1998 | US5716473 Method of making a semi-rigid cereal carton |
| 12/29/1997 | EP0541821B1 Self-standing bag and method and device for making said bag |
| 10/15/1997 | CN1162293A Container having rectangular base and its manufacturing |
| 09/17/1997 | EP0795396A2 Method for manufacturing bags, especially for food or drink |
| 07/23/1997 | CN1154907A Device for drawing-open continuous transverse-conveying flexible tube section at bottom of formed bag in bag production |
| 07/16/1997 | EP0783442A1 Container having a rectangular base and its manufacturing |
| 06/25/1997 | EP0780222A2 Method and apparatus for manufacturing bags from single- or multi-ply paper tubes |
| 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 |
| 04/08/1997 | US5618254 Gusseted bulk bag liner and method of manufacture |
| 03/06/1997 | WO1997008076A1 Process for fabricating bags having a bottom with bellows |
| 03/06/1997 | CA2228602A1 Process for fabricating bags having a bottom with bellows |
| 10/28/1996 | CA2168275A1 Gusseted bulk bag liner and method of manufacture |
| 09/19/1996 | WO1996028296A1 Method for continuously producing collapsible cups |
| 08/22/1996 | DE19504802A1 Device for receiving open bag and conveying it to bag closing mechanism |
| 08/20/1996 | US5547284 Bag for liquids, pastes, or granulates and method of manufacturing |
| 08/06/1996 | US5542902 Vented pouch arrangement and method |
| 07/25/1996 | WO1996010524A3 Container having a rectangular base and its manufacturing |
| 05/29/1996 | CN2228016Y Machine for making bag of plastic film |
| 04/11/1996 | WO1996010524A2 Container having a rectangular base and its manufacturing |
| 04/11/1996 | CA2200958A1 Container having a rectangular base and its manufacturing |
| 03/26/1996 | US5501757 Process for production of a bag having linear ribs |
| 12/27/1995 | EP0688663A2 Method of making a bag by folding a block bottom in one or both ends |
| 12/26/1995 | US5478302 Method for continuously producing envelopes, bags, and shipping pouches and the product so produced |
| 08/01/1995 | US5437406 Semi-rigid cereal carton |
| 07/19/1995 | EP0626921B1 Container made of flexible material, method and installation for its fabrication |
| 03/21/1995 | US5398866 Collapsible enclosure having foldable side flaps and a non-foldable bottom portion |
| 01/18/1995 | EP0634341A1 A process for production of a bag having linear ribs |
| 01/12/1995 | WO1995001282A1 Semi-rigid cereal carton |
| 01/12/1995 | CA2164337A1 Semi-rigid cereal carton |
| 12/07/1994 | EP0627355A1 Tubular bag and process and apparatus for making it |
| 12/07/1994 | EP0626921A1 Container made of flexible material, method and installation for its fabrication. |
| 11/17/1994 | EP0624458A1 Method and apparatus for manufacturing bags out of a plastics film, especially for beverages and foodstuffs |
| 10/04/1994 | US5352043 Self-supporting bag, a method of production thereof and an apparatus for production thereof |
| 07/06/1994 | CN2170839Y Machine for making cement packing compound paper bag |
| 03/08/1994 | US5292300 Enclosure and method for making the enclosure |
| 02/02/1994 | EP0580989A1 Pouch for liquid, pasty or granular material and method of its manufacture |
| 11/04/1993 | DE4214649A1 Tubular foil bag for cosmetic remover pads - has integral hanger opening and free-standing base and is made from endless foil web |
| 10/19/1993 | US5254073 Method of making a vented pouch |
| 09/02/1993 | WO1993016928A1 Container made of flexible material, method and installation for its fabrication |
| 08/12/1993 | DE4203798A1 Tubular bag of sealable material with self standing base - has reinforcements along edges adjoining side walls |
| 05/19/1993 | EP0541821A1 Self-standing bag and method and device for making said bag |
| 05/18/1993 | US5210993 Method and apparatus to implement double opposed containers fed as a continuous band to filling stations and to be sealed by welding, as well as packages thus obtained |
| 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 |
| 12/10/1992 | WO1992021581A1 Self-standing bag and method and device for making said bag |
| 11/24/1992 | US5165799 Flexible side gusset square bottom bags |
| 09/22/1992 | US5149201 Angle sealed bottom grocery sack |
| 08/26/1992 | EP0499966A2 Method for continuous manufacture of wrappers, or pouches and products manufactured by this method |
| 08/21/1992 | CA2061436A1 Method for continuously producing envelopes, bags, and shipping pouches, and the product so produced |
| 08/11/1992 | US5137505 Bag-making apparatus with adjustable fold guides |
| 06/03/1992 | EP0487788A1 Method and apparatus to implement double opposed containers fed as a continuous band to filling stations and apt to be sealed by welding, as well as the packages thus obtained |
| 04/07/1992 | US5102384 Method for making flat bottom plastic bag |
| 01/14/1992 | US5080643 Method of making a stand-up plastic bag |
| 01/02/1992 | DE4020935A1 Bag made with flat strip of material - has strip glued along edges to form longitudinal seam |
| 11/21/1991 | EP0457304A1 Bag-making apparatus |
| 05/23/1991 | DE3938382A1 Mfg. dosing container for washing additives - by folding porous nonwoven web once symmetrically along length |
| 03/05/1991 | US4997504 Method and apparatus for high speed pouch and bag making |
| 03/05/1991 | US4997416 Method of making a stand-up plastic bag |
| 09/04/1990 | US4954124 Stand-up plastic bag and method of making same |