| Patents for B31B 19 - Machinery characterised by making rectangular envelopes or bags of flat form, i.e. without structural provision at the base for thickness of contents (4,853) |
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| 07/23/1998 | DE19702144A1 Production of bags with handles |
| 07/23/1998 | CA2277300A1 Closure arrangement for reclosable bag |
| 07/22/1998 | CA2227256A1 Process and device for producing bags with handles |
| 07/21/1998 | US5782733 Method for making reclosable bags |
| 07/21/1998 | US5782731 Method for checking the correct manufacture of cross bottom valve sacks |
| 07/21/1998 | US5782156 Blank forming apparatus |
| 07/08/1998 | EP0851809A1 Machine and method for making a plastic film pouch and attaching a spout thereto |
| 07/07/1998 | US5776285 Method and apparatus for applying adhesive to a closure flap of envelopes |
| 07/07/1998 | US5776045 Machine for attaching a reclosable fastener to a flexible material |
| 07/07/1998 | US5776044 Closable bag and method of making same |
| 06/24/1998 | EP0849072A2 Bag-making apparatus having automated positioning of attachments |
| 06/24/1998 | EP0849071A2 Method and apparatus for manufacturing a tubular bag package with opening device |
| 06/23/1998 | US5769772 Packages made with both high-frequency/radio-frequency seals and conventional heat/pressure seals using combinations of polar and non-polar polymers |
| 06/23/1998 | CA2093254C Food containing package with integral handle, apparatus and method |
| 06/17/1998 | EP0847851A2 Apparatus and method for forming handles in plastic bags |
| 06/16/1998 | US5766399 Closable bag and method of making same |
| 06/04/1998 | WO1998023439A1 Method and apparatus for obtaining individual web sections from a web of sheet material |
| 06/03/1998 | EP0844928A1 Reclosable storage bag |
| 06/02/1998 | US5759144 Gusseted bulk bag liner and method of manufacture |
| 05/27/1998 | EP0844070A1 Method and apparatus for obtaining individual web sections |
| 05/27/1998 | EP0843636A1 Zippered film and bag |
| 05/20/1998 | EP0842765A2 Method and apparatus for detecting a seal on a plastic bag |
| 05/12/1998 | US5749822 Gusset folding mechanism and method for plastic bag making machine |
| 05/12/1998 | US5749658 Closure arrangement for attachment to outside of bag |
| 05/12/1998 | US5749657 Flexible package with hanghole and tear string and method and apparatus for making the same |
| 05/05/1998 | US5746569 Bag forming machine having adjustable support structure for paired work elements |
| 04/14/1998 | US5738478 Automatic wicketing apparatus |
| 04/02/1998 | WO1998013271A1 Reclosable stand-up bag |
| 04/02/1998 | CA2266914A1 Reclosable stand-up bag |
| 03/31/1998 | US5733236 Bag-making apparatus having automated positioning of attachments |
| 03/25/1998 | EP0830937A1 Method and apparatus for making bags with handles |
| 03/17/1998 | US5728037 Environmentally friendly pinch bottom bag assembly and method of making |
| 03/11/1998 | EP0827449A1 Method and apparatus for automatically stacking bags and placing the stacks upon wicket pins |
| 03/05/1998 | WO1998008739A1 Manufacture of reclosable filled bags |
| 03/03/1998 | US5722538 Label assembly for package sleeve accommodating a storage media disc and method for sealing a package sleeve |
| 02/18/1998 | EP0823876A1 Manufacture of bags |
| 02/10/1998 | US5716312 Envelope manufacturing machine |
| 01/29/1998 | WO1998003328A1 Fastener tape material, bag utilizing fastener tape material, and method of manufacture thereof |
| 01/27/1998 | US5711751 Hermetic seal for a plastic bag |
| 01/08/1998 | WO1998000286A1 Method of sealing a port tube in a container |
| 01/07/1998 | CN1169364A Letter making method |
| 12/30/1997 | US5702339 Method for making a heavy duty bag having an easy opening spout |
| 12/30/1997 | CA2119541C Method of forming side seams for zippered bags or packages |
| 12/29/1997 | EP0541821B1 Self-standing bag and method and device for making said bag |
| 12/24/1997 | WO1997048550A1 Bag and method of production |
| 12/17/1997 | EP0812676A2 Apparatus for punching out from tie bag |
| 12/11/1997 | WO1997046375A1 Sack |
| 12/09/1997 | US5695585 Method for welding bags to rings |
| 12/09/1997 | US5695106 Correction of registered servo indexed webs |
| 11/26/1997 | EP0808776A1 Reclosable pouch and zipper therefor |
| 11/26/1997 | EP0808709A2 Trap printing method for bone-in meat containers |
| 11/25/1997 | US5690600 Retractable web separator |
| 11/25/1997 | US5690229 Easy dispense t-shirt bags |
| 11/24/1997 | CA2204049A1 Trap printing method for bone-in meat containers |
| 11/20/1997 | WO1997043114A1 Reclosable storage bag, method , and apparatus |
| 11/20/1997 | WO1997042897A1 Flexible, multiple-compartment drug container and method of making and using same |
| 10/28/1997 | CA2082456C Deadfold sticker systems |
| 10/17/1997 | CA2202836A1 Improved envelope maker and method of use |
| 10/14/1997 | US5676629 Method and an apparatus for transferring tabs to a continuous material web |
| 10/08/1997 | EP0800077A1 Method and device for inspecting bags |
| 10/08/1997 | CN1161298A Method and device for mfg. especially hinge-lid packs for cigarettes |
| 10/07/1997 | US5673534 Reclosable storage bag |
| 10/01/1997 | EP0798249A1 Method and apparatus for separating a web at a line of weakness |
| 09/30/1997 | US5672235 Plastic film stripper apparatus and method for heated sealing apparatus |
| 09/30/1997 | US5672009 Reclosable pouch and zipper therefor |
| 09/24/1997 | EP0796416A1 Device for drying articles lying on a moving conveyor belt |
| 09/23/1997 | US5670013 Dies for manufacturing a pack of self-opening bags |
| 09/18/1997 | WO1997033744A1 Roll of bags and method and device for producing the same |
| 09/17/1997 | EP0795396A2 Method for manufacturing bags, especially for food or drink |
| 09/16/1997 | US5667468 Screw adjustable wicket pins |
| 09/16/1997 | US5667307 Impregnating an aqueous solution containing polyacrylic acidand polyurethane, drying, high frequency plastic welding |
| 09/09/1997 | US5666445 Easy opening flexible plastic bag and a method of making same |
| 09/04/1997 | DE19607838A1 Method of manufacturing printed bags or labels of different lengths from continuous foil or label strip |
| 09/03/1997 | EP0792801A1 Automatic machine and method for forming, filling and closing packaging bags |
| 09/02/1997 | US5662576 Method of manufacturing an improved bag for the cultivation of mushroom spawn and apparatus therefor |
| 09/02/1997 | US5662575 Method and apparatus for continuously forming bags |
| 08/27/1997 | EP0791539A1 Method and apparatus for making hinged lid boxes for cigarettes |
| 08/26/1997 | US5660477 Liquid container and method of manufacturing same |
| 08/26/1997 | US5659997 Bag for the cultivation of mushroom spawn |
| 08/21/1997 | WO1997029904A1 Method and applicator for applying closures to envelopes |
| 08/20/1997 | CA2169817A1 Apparatus and method for attaching carrying handles to bags |
| 08/19/1997 | US5657943 Flexible bag winding and unwinding apparatus |
| 08/13/1997 | CN2259277Y Special processing equipment for double-side rubber coated plastic-woven package bag |
| 08/13/1997 | CN1156661A Method for folding tubular synthetic resin film |
| 08/12/1997 | US5655843 Easy opening flexible plastic bag and a method of making same |
| 08/12/1997 | US5655273 Minimal curl sealing flange |
| 08/12/1997 | CA2050267C Shrink bag with integral handle |
| 08/07/1997 | DE19603675A1 Welded seams control method for packing container |
| 08/07/1997 | DE19603371A1 Bag or container-forming machine |
| 08/05/1997 | US5654802 Method and device for inspecting bags |
| 07/23/1997 | EP0739271A4 Flexible bag and method of making and attaching a tie |
| 07/23/1997 | CN2258112Y Adjustable four-angle cutter for envelope and paper bag |
| 07/15/1997 | US5647524 Tearing-off roller pair |
| 07/09/1997 | EP0782915A2 Draw tape machines and methods |
| 06/25/1997 | EP0780222A2 Method and apparatus for manufacturing bags from single- or multi-ply paper tubes |
| 06/25/1997 | CN1152528A Check valve and package bag with check valve and apparatus for making it |
| 06/17/1997 | US5638666 Desk-top envelope maker |
| 06/17/1997 | US5638586 Transverse zipper system |
| 06/12/1997 | WO1997020686A1 Tagged packets and their production |
| 06/11/1997 | EP0741623A4 Panel cutting apparatus |