| Patents for B31B 1 - Box, carton, envelope or bag making machinery characterised by performing specific operations (15,372) |
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| 06/23/1981 | US4274534 Clamping apparatus for use with a multi-station packaging machine or the like |
| 06/17/1981 | EP0030366A1 A method and an arrangement for the feed of a material web |
| 06/16/1981 | US4273322 Gate mechanism for carton erecting machine |
| 06/10/1981 | EP0030097A1 Sheet folding apparatus |
| 06/09/1981 | US4272235 Method and apparatus for folding and sealing a floppy disc envelope |
| 06/02/1981 | US4270658 Breathable, sterilizable receptacles for storing articles in sterile condition |
| 05/28/1981 | WO1981001460A1 Device for measuring the height of pressed folding-lines on a carton |
| 05/26/1981 | US4269557 Automatic bag collating and stacking apparatus |
| 05/19/1981 | US4268555 Wide-folding hinge |
| 05/19/1981 | US4268261 Machine for the production of packaging wrappers |
| 05/12/1981 | US4266993 Method for the sealing of a cover strip onto packing containers |
| 05/05/1981 | US4265842 Method of forming a corner in a thermoplastic material using ultrasonic vibrations |
| 05/05/1981 | US4265377 Multiple nozzle fluid dispenser having uniform openings in an operating bar |
| 05/05/1981 | US4265152 Apparatus for longitudinally and transversely cutting strip material |
| 04/28/1981 | US4264317 Method of making valved sacks provided with cross-bottoms |
| 04/28/1981 | US4264316 Process for closing containers and foil membrane therefor |
| 04/28/1981 | US4264255 Apparatus for stacking folding boxes |
| 04/28/1981 | CA1099878A1 All-plastic heat-sealable container material and method of making |
| 04/22/1981 | EP0027427A1 Packaging box as storing recipient for foil webs, and process for its production |
| 04/21/1981 | US4262583 Method for fixing a handle to a packing |
| 04/21/1981 | US4262582 Carton blank folding and gluing system |
| 04/21/1981 | CA1099678A1 Heat resistant carton and method of forming |
| 04/15/1981 | EP0027090A1 Device for stacking objects or groups of objects top to bottom, such as folded packaging cartons |
| 04/14/1981 | US4261254 Apparatus for forming wall reinforcements in multiple individual cartons |
| 04/14/1981 | US4261253 Method of making openable flexible packet |
| 04/14/1981 | US4261239 Positioning head for cutting and marking apparatus |
| 04/08/1981 | EP0026522A1 A method for the manufacture of a printed, pre-creased packing material web provided with opening indication |
| 04/07/1981 | US4260446 Method and apparatus for producing a collapsibly foldable packaging sleeve having a polygonal cross-section |
| 04/07/1981 | US4260311 Method of and apparatus for high speed production of absorbent pad lined rectangular sloping walled polystyrene foam meat packaging trays |
| 04/07/1981 | US4259827 Packaging apparatus |
| 03/31/1981 | US4259372 Method and apparatus for applying sealant to a seam in a container |
| 03/31/1981 | US4258876 Reclosable pour opening structure for a packaging container and method of making same |
| 03/25/1981 | EP0025711A1 Bag forming apparatus |
| 03/24/1981 | US4258267 Method and apparatus for testing the base folds of open and finished bases formed on tube sections |
| 03/24/1981 | US4257838 Process and apparatus for the manufacture of disposable pharmaceutical single-dose containers |
| 03/17/1981 | US4256528 Machine for forming openings sealed by manually removable lengths of tape in can ends |
| 03/17/1981 | US4256526 Method for applying a hot melt adhesive pattern to a moving substrate |
| 03/10/1981 | US4254693 Process and apparatus for manufacturing sheet packaging material for containers |
| 03/10/1981 | US4254692 Helical folder for paperboard blanks |
| 03/10/1981 | US4254677 Slitter blade positioning means |
| 03/03/1981 | US4253837 Method and apparatus for applying a metal strip to a sheet material |
| 02/17/1981 | US4251308 Method for making a watermattress with t-corner construction |
| 02/11/1981 | EP0023817A1 Form-fill-seal apparatus and method of making reclosable bags |
| 02/10/1981 | US4249978 Coating with a thermosetting resin; applying a discontinuous film of an aqueous adhesive emulsion; heat sealing |
| 02/10/1981 | US4249479 Fluid dispensing apparatus for use with a container assembling machine or the like |
| 02/03/1981 | CA1094936A1 Method and apparatus for attaching a strip of material transversely of a moving web |
| 01/27/1981 | US4247349 Method and apparatus for cutting plastic film windows for cartons |
| 01/20/1981 | US4245538 Process and apparatus for cutting portions out of a web of material |
| 01/14/1981 | EP0022139A1 Method and apparatus for forming a flanged tray |
| 01/13/1981 | US4244281 Carton, feeder apparatus for packaging machines |
| 01/07/1981 | EP0021117A1 Apparatus for treating a moving web of processing material with a movable welding tool |
| 12/30/1980 | US4242293 Paper plate forming method and apparatus |
| 12/30/1980 | US4241862 Box sealing device |
| 12/23/1980 | US4240337 Process and device for the erection of cardboard trays |
| 12/16/1980 | US4239150 Folding cartons for liquids |
| 12/09/1980 | CA1091143A1 Container bottom cutting apparatus and method |
| 11/25/1980 | US4235659 Apparatus for making and stacking plastics bags |
| 11/18/1980 | US4234635 Method of rigidifying the tearing edge of a carton |
| 11/11/1980 | US4232629 Dispensing nozzle |
| 11/11/1980 | US4232591 Carton erecting apparatus |
| 11/11/1980 | US4232590 Cup making machine having applicator mechanism |
| 10/29/1980 | EP0018331A1 Apparatus for assembling a blank to form a container |
| 10/29/1980 | EP0017678A1 Heat resistant carton and method of forming |
| 10/28/1980 | CA1088408A1 Method for the manufacture of packing containers and an arrangement for the carrying out of the method |
| 10/21/1980 | CA1087917A1 Bag printer |
| 10/14/1980 | US4227960 Apparatus for applying tape material in continuously advancing sheet material |
| 10/14/1980 | CA1087431A1 Carton forming apparatus |
| 10/07/1980 | US4226330 Rupture lines in flexible packages |
| 10/07/1980 | US4226149 Apparatus for transversely severing or transversely perforating webs of material |
| 10/01/1980 | EP0016084A1 A machine for treatment of web material. |
| 09/23/1980 | US4224092 Method for making all-plastic heat-sealable container |
| 09/23/1980 | CA1086215A1 Cutting apparatus |
| 09/23/1980 | CA1086120A1 Carton erecting apparatus |
| 09/17/1980 | EP0015661A1 Apparatus for automatically folding the end closures of cartons |
| 09/16/1980 | US4222311 Process and system for producing folded boxes |
| 09/09/1980 | US4221321 Paperbag having articulated handle |
| 09/09/1980 | US4221162 Carton bottom tucking and tacking apparatus for packaging machines |
| 09/09/1980 | CA1085281A1 Apparatus for applying patches to a continuous web |
| 09/04/1980 | WO1980001776A1 Heating device for blank-shaping apparatus |
| 09/03/1980 | EP0014946A1 Method for the adhesive bonding of paper and/or cardboard parts |
| 09/03/1980 | EP0014858A1 Method and device for attaching tear strips or the like to a web of wrapping material |
| 09/02/1980 | CA1085098A1 Hot melt thermoplastic adhesive foam system |
| 08/19/1980 | CA1083872A1 Method of making a pad of stacked bags |
| 08/12/1980 | US4217085 Arrangement for the processing of a moving material web |
| 08/12/1980 | US4216705 Apparatus for making carrier bags from two half-tubes running side-by-side |
| 08/05/1980 | US4215609 Slitter scorer having upper and lower pairs of shafts selectively rotated by a single drive |
| 08/05/1980 | CA1083071A1 Suction conveyor |
| 08/05/1980 | CA1082968A1 Tray former |
| 08/05/1980 | CA1082967A1 Apparatus for producing bags of plastics material |
| 07/29/1980 | US4214509 Method and apparatus for manufacturing bags of a continuous web of a thermoplastic synthetic sheet material |
| 07/29/1980 | US4214495 Slitter scorer apparatus |
| 07/29/1980 | CA1082508A1 Tear resistant separable end-connected bags |
| 07/15/1980 | US4212695 Method of reinforcing flattened tubular film with tape layers |
| 07/01/1980 | US4210480 Steam seal of bag ply |
| 07/01/1980 | US4210069 Folding and gluing a scored carton blank |
| 07/01/1980 | CA1080596A1 Machine for applying a semipermeable patch on a plastic bag |
| 06/25/1980 | EP0012268A1 Method and apparatus for embossing fold lines in thermoplastic sheets |
| 06/24/1980 | US4208854 Device for folding blanks of sheet material in machines for packaging articles, particularly cigarettes, into hinged-lid packets |
| 06/24/1980 | CA1080109A1 Device for folding blanks of sheet material in machines for packaging articles, particularly cigarettes, into hinged-lid packets |
| 06/24/1980 | CA1080018A1 Method and apparatus for forming a stripable backing material for pressure-sensitive adhesive carrying substrates |