| Patents for B65B 51 - Devices for, or methods of, sealing or securing package folds or closures, e.g. twisted bag necks (12,250) |
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| 06/21/1990 | DE3941015A1 Welding of two overlapping thermoplastic sheets - in which welding cheek with relief pattern formed of raised bars and recesses retains majority of polymer during welding phase |
| 06/20/1990 | EP0373907A1 Heat-sealing device for thermoplastic films |
| 06/20/1990 | EP0373731A1 Device for closing an opening essentially comprising a thermoplastic tubular member |
| 06/20/1990 | EP0373367A1 Method and device for sealing a closing membrane on a spout |
| 06/14/1990 | WO1990006260A1 Device for closing an orifice consisting essentially of a section of a thermoplastic tube |
| 06/13/1990 | EP0373080A1 Method and device for closing a flexible tube after filling |
| 06/06/1990 | EP0371954A1 Spreading device for lateral folds |
| 06/06/1990 | CN1008253B Method for heat-sealing inner envelope of double envelope assembly |
| 06/05/1990 | CA2004487A1 Process and device for closing a flexible tube after filling |
| 05/31/1990 | WO1990005672A1 Method of sealing a shrink wrap package |
| 05/31/1990 | WO1990005671A2 Continuously rotating platform with multiple mounted double clippers for continuously forming link product |
| 05/31/1990 | WO1990005670A1 Manually operated clip attachment apparatus with movable gate and die |
| 05/31/1990 | WO1990005627A1 High speed contact sealer |
| 05/30/1990 | CN2057648U Wax-sealing machine for traditional chinese medicines |
| 05/29/1990 | US4929299 Sealing device with multiple differential action for machines producing dual-use filter sachets for infusion products |
| 05/29/1990 | US4928455 Packaging machine and method |
| 05/29/1990 | CA1269611A1 Tape applying device |
| 05/29/1990 | CA1269600A1 Apparatus for the sealing of thermoplastic-coated packing material |
| 05/23/1990 | EP0369501A1 Taping unit for cardboard case taping machines with an improved movement for the return of the entry application roller |
| 05/22/1990 | US4926613 Process for filling and subsequent fusion welding of receptacles |
| 05/17/1990 | DE3936980A1 Heavy duty clamp with support stand - has carriage with punch and drive cylinder |
| 05/17/1990 | DE3844052C1 U-shaped closure clip for bags and tubes |
| 05/16/1990 | EP0368095A1 Tubular bag machine |
| 05/16/1990 | EP0368016A2 Tubular bag-making machine |
| 05/15/1990 | US4925521 Apparatus for intermittently applying lengths of thermoplastic tape |
| 05/15/1990 | US4924659 Sealing height adjusting device for package wrapping apparatus |
| 05/15/1990 | US4924657 Method and circuitry for controlling the operation of a packing machine |
| 05/14/1990 | CA2000389A1 Method of sealing a shrink wrap package |
| 05/03/1990 | WO1990004542A1 Improved apparatus for sealing and severing a web of film |
| 05/03/1990 | WO1990004541A1 Apparatus for sealing a web of film in a packaging machine |
| 04/24/1990 | US4918905 Method and device for packaging an elongate body |
| 04/24/1990 | CA1268152A1 Apparatus for taping cartons |
| 04/19/1990 | DE3834728A1 Packages closed by adhesive strips and process for closing same ultrasonically |
| 04/11/1990 | EP0362799A2 Apparatus and method for sealing a lid onto a container |
| 04/11/1990 | EP0362552A1 Method for the filling with a liquid and consecutive sealing of a container |
| 04/04/1990 | CN2055441U Electric control rolling type hot seal machine |
| 04/03/1990 | US4912913 Bag sealing machine |
| 03/28/1990 | CN1007340B Turret for packaging machine |
| 03/27/1990 | CA1267067A1 Method and apparatus for forming an adhesive sealed package |
| 03/20/1990 | US4909356 Fully self-service check-out counter incorporating an integral apparatus for on demand manufacturing of custom-sized bags conforming to the volume of articles received therein |
| 03/20/1990 | US4909022 Nest for container closing machine |
| 03/20/1990 | US4909017 In a form fill process of making bags |
| 03/20/1990 | US4909016 Rotary film sealing and severing head for thermoplastics |
| 03/16/1990 | EP0293403A4 Drive for jaws of a bag former. |
| 03/15/1990 | DE3924552A1 Vorrichtung zum falten einer packmittelhuelle Apparatus for folding a packmittelhuelle |
| 03/14/1990 | EP0358617A1 Method and apparatus for applying glue for sealingly mounting of lids in packages and container tubes |
| 03/13/1990 | US4907392 Machine for applying twist-type ties |
| 03/07/1990 | EP0356850A2 Clip, especially for packaging purposes, and method for closing bags with this clip |
| 03/06/1990 | US4905452 Easy-open flexible pouch and apparatus and method for making same |
| 03/06/1990 | US4905450 Process and apparatus for filling and sealing a container, and a container made thereby |
| 03/06/1990 | US4905446 Apparatus for wrapping articles |
| 03/06/1990 | CA1266458A1 Portable sealing device |
| 03/06/1990 | CA1266457A1 Device for carrying and closing bags |
| 03/01/1990 | DE3828504A1 Process and apparatus for drawing over a stack a cover comprising a sheeting of plastic |
| 02/27/1990 | US4903460 Device for varying the opening between the welding element and the counter-welding element in packaging machines |
| 02/20/1990 | US4901775 Automatic seal machine for bank bags and the like |
| 02/20/1990 | US4901506 Heat seal temperature control |
| 02/13/1990 | US4900390 Quasi-random dot pattern adhesive joining method |
| 02/07/1990 | CN1039360A Dispenser for vaporisation of active substances to be inhaled |
| 02/06/1990 | CA1265487A1 Taping unit positioning system for cardboard box closing machine |
| 02/06/1990 | CA1265458A1 Sealed flexible container with non-destructive peelable opening and method of making the same |
| 01/31/1990 | EP0352825A2 Packaging device using tubular casing |
| 01/30/1990 | CA1265030A1 Induction sealing of paperboard |
| 01/25/1990 | WO1990000496A1 Dispenser for vaporizing active substances to be inhaled |
| 01/25/1990 | DE3824924A1 Method and apparatus for the wrapping of packs |
| 01/24/1990 | EP0351553A1 Device for sealing the overlapped end flaps of a thermoplastic material wrapper for packages, particularly for packages of cigarettes |
| 01/17/1990 | EP0350617A2 Method for making, filling and closing packages from a tubular web, and device for executing the method |
| 01/17/1990 | EP0350601A2 Sealing head |
| 01/17/1990 | EP0274485B1 Welding and cutting pincers for a synthetic film |
| 01/16/1990 | US4894104 Pressure rolling |
| 01/08/1990 | EP0277176A4 Apparatus for sealing and severing a web of film. |
| 01/03/1990 | EP0348945A2 Method and apparatus for intermittently applying lengths of thermoplastic tape |
| 01/02/1990 | CA1264157A1 Apparatus for sealing packages |
| 12/26/1989 | US4889581 Carton sealing apparatus |
| 12/19/1989 | US4887408 Method of manufacturing packs of cigarettes with a hermetically sealed wrapper |
| 12/14/1989 | DE3820060A1 Apparatus for affixing adhesive tapes to packages |
| 11/30/1989 | WO1989011419A1 Method and apparatus for closing containers |
| 11/29/1989 | EP0344137A1 Method and apparatus for closing containers |
| 11/28/1989 | US4883232 Adhesive tape feeder, particularly for a cardboard box sealing machine taping unit |
| 11/28/1989 | US4883161 Apparatus for the form-stabilizing storage of packs |
| 11/28/1989 | CA1263350A1 Method of material distribution and apparatus |
| 11/23/1989 | DE3815940A1 Process for the production of viewing-window bags and tubular-bag machine |
| 11/21/1989 | US4881360 High capacity package seal, sever, and brick apparatus and method |
| 11/21/1989 | CA1263101A1 Device for closing the top side flaps of a box having folding flaps |
| 11/16/1989 | DE3838241C1 Apparatus for the packaging of articles |
| 11/16/1989 | DE3815092A1 Foil-welding appliance |
| 11/07/1989 | US4878702 Method, a binder and a binding machine for closing hose or bag shaped packings, primarily tubular foodstuff packings |
| 11/02/1989 | EP0339134A1 Packaging machine with a packaging article inclusion-proofing device for end-sealing mechanism |
| 11/01/1989 | CN2046863U Adhesive belt packaging device |
| 10/24/1989 | US4875895 Buffing apparatus for book-fold carton; and method |
| 10/11/1989 | EP0336005A1 Method and apparatus for making packaging units on wrapping machines |
| 10/04/1989 | CN2045369U Portable sealing device for plastic bag |
| 09/27/1989 | EP0333845A1 Continuously rotating platform with multiple mounted double clippers for continuously forming link product |
| 09/26/1989 | CA1260895A1 Machine for sealing cardboard boxes of constant width |
| 09/26/1989 | CA1260884A1 Fused plastic bag closure and apparatus for making same |
| 09/21/1989 | DE3807949A1 Device for manufacturing bag packagings |
| 09/20/1989 | EP0333622A1 A method for making and closing a dispensing mouth for a tubular dispensing container |
| 09/19/1989 | US4866914 Method and device for sealing the mouth of a pouch |
| 09/19/1989 | CA1259587A1 Bag tying machine |
| 09/12/1989 | US4864802 Packaging |