| Patents for B31B 1 - Box, carton, envelope or bag making machinery characterised by performing specific operations (15,372) |
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| 07/18/1990 | EP0216800B1 Apparatus for producing flexible containers |
| 07/18/1990 | EP0181873B1 Easy open and reclosable package and apparatus for making same |
| 07/17/1990 | US4941376 Apparatus for cutting web for beverage containers |
| 07/13/1990 | CA2007479A1 Apparatus for stacking flat workpieces on stacking pins of an endless conveying element |
| 07/11/1990 | CN2059129U Cylindrical moveable mould |
| 07/04/1990 | EP0376408A1 Apparatus for feeding container blanks to container bottom forming mandrel |
| 07/04/1990 | EP0376085A1 A method of connecting a gripping device to sheet or web-formed packing material |
| 07/04/1990 | CN2058881U Automatic adhesive coating device for paper bag making equipment |
| 06/28/1990 | WO1990006844A1 Manufacturing method for a flexible container |
| 06/28/1990 | DE3911410A1 Device for supplying auxiliary blanks to a box-folding press |
| 06/27/1990 | EP0375479A1 Method of manufacturing bags of supple material, particularly plastic ones, and device for realizing this |
| 06/27/1990 | CN1008518B Stacking and transportation device of sheet |
| 06/26/1990 | US4936818 Paper scoring device |
| 06/26/1990 | US4936817 Reclosable bag |
| 06/14/1990 | WO1990006373A1 Method for polymerase activity determination |
| 06/14/1990 | WO1990006320A1 Substrate for polymerase activity determination |
| 06/14/1990 | WO1990006227A1 Automatic setting apparatus in box or carton blank erection machines |
| 06/13/1990 | EP0268626B1 Device for setting in place mouthpieces through a perforated film and perforated film fitted with mouthpieces |
| 06/13/1990 | CN1042863A Cutter for heat-severing and sealing, and apparatus for heat-severing and sealing |
| 06/13/1990 | CN1008338B Device for folding side edge of plastic film sack |
| 06/12/1990 | CA1270137A1 Folding method and apparatus for basket-style article carrier |
| 06/07/1990 | DE3815219A1 Printing press |
| 06/06/1990 | EP0371314A2 A packaging container opening formation device for a packaging machine |
| 06/06/1990 | EP0371276A1 Device for piling flat items |
| 06/05/1990 | US4931031 Method for improved container internal raw edge protection |
| 06/05/1990 | US4930291 Process for the horizontal unit distribution of blanks |
| 05/30/1990 | CN2057614U Edge fold machine for container packing bag |
| 05/30/1990 | CN1042517A Liquid food packing method |
| 05/29/1990 | US4929226 Process and apparatus for producing and conveying pack blanks |
| 05/29/1990 | US4928877 Method of making a laminated tubular body |
| 05/29/1990 | CA1269558A1 Article forming system |
| 05/29/1990 | CA1269557A1 Bottom seal bag making machine |
| 05/23/1990 | EP0369192A2 A flexible disposable material for forming a food container for microwave cooking |
| 05/23/1990 | EP0369128A1 Process for producing a package |
| 05/23/1990 | DE3937991A1 Rigid or semi-rigid cardboard box with window - has fold lines, and consists of transparent and opaque sheets of material |
| 05/22/1990 | CA1269271A1 Method and apparatus for feeding and opening a beverage carrier |
| 05/17/1990 | WO1990005103A1 A sheet feeding apparatus |
| 05/17/1990 | DE3937509A1 Plastics bag making machine - has hollow rotating arms connected to vacuum source to place bags on stack |
| 05/16/1990 | EP0368428A1 Process for making a tubular bag |
| 05/16/1990 | EP0368168A1 A method and a device for pasting a strip tape onto a packaging web equipped with a liquid pouring hole |
| 05/15/1990 | US4925521 Apparatus for intermittently applying lengths of thermoplastic tape |
| 05/15/1990 | US4924655 Film guide system |
| 05/15/1990 | CA1269075A1 Bag mouth closure |
| 05/15/1990 | CA1268979A1 Device for folding from behind the flaps of a box blank |
| 05/14/1990 | CA2002932A1 Apparatus for stacking flat articles |
| 05/09/1990 | CN2056897U Improved constructure of automatic starching and rolling tube mechanism |
| 05/08/1990 | US4923436 Plastic bag and method and apparatus of manufacture |
| 05/08/1990 | CA1268743A1 Extruded zipper strips for bags |
| 05/08/1990 | CA1268742A1 Tube insert for pouch weld |
| 05/01/1990 | US4921746 Cellular, multi-layer material for forming a heat-insulating bag |
| 05/01/1990 | CA1268382A1 Method and apparatus for applying adhesive to the distal and inner edges of open container ends |
| 04/24/1990 | CA1268160A1 Corrugated container with foldable flaps |
| 04/19/1990 | WO1990003923A1 Process for producing tubular bags |
| 04/18/1990 | EP0364087A1 Cross web layer application device |
| 04/18/1990 | EP0363399A1 Method affording an easy opening device for nonwoven thermoplastic fiber envelopes |
| 04/17/1990 | US4917663 Packaging machine with direct blank setup |
| 04/17/1990 | US4917661 Device for collecting bags or sacks |
| 04/17/1990 | US4917659 Packaging container ejection apparatus |
| 04/14/1990 | CA2000714A1 Method for manufacturing a tubular bag |
| 04/11/1990 | EP0362423A1 Method of and apparatus for controlling application of glue to defined areas |
| 04/10/1990 | US4915679 Manufacturing method of pleated multilayer bag |
| 04/10/1990 | US4915678 Box forming equipment |
| 04/10/1990 | US4914995 Rotary cutting apparatus |
| 04/10/1990 | CA1267553A1 Bottom seal bag making machine |
| 04/05/1990 | WO1990003311A1 Method and apparatus for covering portions of an object with a sheet of material having a pressure sensitive adhesive coating applied to at least a portion of at least one surface of the sheet of material |
| 04/05/1990 | WO1990003263A1 Process and device for improving the rigidity of a container made of synthetic material |
| 04/04/1990 | EP0362154A1 An automatic machine for folding flat pre-creased die-cuts into tubular shape |
| 04/04/1990 | EP0362102A1 Method and device for improving the rigidity of a thermoplastic container |
| 04/04/1990 | EP0361535A2 A sheet piece consisting of at least three material layers of paper |
| 04/04/1990 | CN2055441U Electric control rolling type hot seal machine |
| 04/03/1990 | US4913765 Apparatus for making bags or sacks from a preferably gusseted continuous tubular film of thermoplastic plastic |
| 04/03/1990 | US4913691 Device for assembling cuttings more particularly for the produciton of packing boxes |
| 04/03/1990 | US4913293 Container of flexible material |
| 04/03/1990 | US4913013 Rotary cutting apparatus |
| 03/28/1990 | CN2055088U Automatic hot sealing machine for plastic bag |
| 03/28/1990 | CN2055086U Portable plastic hot sealing device |
| 03/22/1990 | WO1990002652A1 Rotary die cutter |
| 03/21/1990 | EP0359299A2 An automatic supply and loading device for sheet items |
| 03/21/1990 | EP0358916A1 Package, compound foil for producing a package, device for producing the compound foil and process for producing vacuum packages |
| 03/21/1990 | CN1007230B Process and apparatus for producing packs with bevelled or rounded longitudinal edges |
| 03/20/1990 | US4909434 Moisture impervious carton having one-piece pouring spout sealed to innermost and outermost surfaces |
| 03/20/1990 | CA1266793A1 Bottom seal bag making machine |
| 03/16/1990 | EP0293403A4 Drive for jaws of a bag former. |
| 03/14/1990 | EP0358617A1 Method and apparatus for applying glue for sealingly mounting of lids in packages and container tubes |
| 03/14/1990 | EP0357841A1 A method of providing score lines in packaging material |
| 03/14/1990 | CN1040350A Sheet stacking and transferring device |
| 03/14/1990 | CN1007146B Pack for liquids having edge protection, process and apparatus therefor |
| 03/07/1990 | EP0356824A1 A method and a device for raising flattened tubular blanks |
| 03/06/1990 | US4906228 Method and apparatus for the manufacture of plastic bags in pairs with side seams |
| 03/06/1990 | US4905864 Fibreboard sheet and blank and method for producing same |
| 02/28/1990 | EP0355292A2 Revolving transfer roll |
| 02/28/1990 | EP0267937B1 Device for welding and perforating a thermoplastic film backfolded on itself |
| 02/28/1990 | CN2053568U Automatic flanging paper bag production device |
| 02/20/1990 | CA1266028A1 Container for drink and method of manufacturing the container |
| 02/14/1990 | EP0354515A1 Slitting or scoring machine for moving cardboard webs |
| 02/06/1990 | US4898569 Process, web of material and apparatus for producing packaging blanks |
| 02/06/1990 | US4898280 Reclosable bag |
| 02/06/1990 | CA1265476A1 Device for the perforation of a package of flexible synthetic material |
| 01/31/1990 | CN2051888U Paper cutting and line pressing machine |
| 01/30/1990 | US4897031 Article forming system |