| Patents for B31B 27 - Machinery characterised by making interconnected envelopes or bags (348) |
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| 02/05/2015 | WO2015015327A1 A method for the production of plastic bags by means of the non continuous advancement of a continuous plastic strip and relative machinery |
| 05/21/2014 | EP2732961A1 Method of making trash bags |
| 12/25/2013 | CN203357961U Medical film pulling machine |
| 11/19/2013 | CA2679229C Method of making foil bags |
| 09/18/2013 | CN103303613A Aviation clean bag and manufacturing method thereof |
| 09/04/2013 | EP2633990A1 Sealed letter preparation device and envelope paper |
| 08/29/2013 | US20130219827 Apparatus for Forming Packages and Filling System |
| 06/19/2013 | CN103167951A Sealed letter preparation device and envelope paper |
| 05/23/2013 | DE102011055462A1 Verfahren zum Herstellen von Verpackungen und zugehörige Vorrichtung A method for producing packages, and associated apparatus |
| 03/28/2013 | US20130075457 Folders and related folder assembly and methods |
| 02/27/2013 | CN102120370B Plastic bag continuous rolling production equipment |
| 05/03/2012 | WO2012057202A1 Sealed letter preparation device and envelope paper |
| 04/18/2012 | CN101310967B Machine for the production of bags made of heat-sealed alveolar or foamed thermoplastic material |
| 08/31/2011 | CN201950845U 连卷塑料袋的生产设备 Even the volume of production equipment bags |
| 08/03/2011 | CN201913832U 大输液软袋生产线用拉膜机构 Soft bag infusion production line with a tensioned membrane agencies |
| 07/13/2011 | CN102120370A Plastic bag continuous rolling production equipment |
| 06/15/2011 | CN102092150A Film drawing mechanism for large infusion soft bag production line |
| 05/03/2011 | CA2558418C Apparatus for and method of moving a slider along mating zipper elements |
| 02/17/2011 | US20110039675 Apparatus and method for manufacturing a roll of interleaved bags |
| 12/16/2010 | US20100316309 Consumer bags and processes of manufacture, dispensers, and dispensing systems for consumer bags |
| 12/15/2010 | EP2261130A2 Consumer bags and processes of manufacture, dispensers, and dispensing systems for consumer bags |
| 12/12/2010 | CA2707288A1 Consumer bags and processes of manufacture, dispensers, and dispensing systems for consumer bags |
| 11/23/2010 | US7837606 Method for the production of bags |
| 09/22/2010 | EP2230074A1 Method for manufacturing a string of sachets provided with a slide |
| 06/17/2010 | US20100152010 Zippered film and bag |
| 06/02/2010 | DE102009024365A1 Verfahren und Vorrichtung zur Herstellung von behälterartigen Verbundverpackungen Method and apparatus for the production of container-like composite packaging |
| 05/19/2010 | CN101096236B Preparation method for edible instant noodle auxiliary material packing bag |
| 04/07/2010 | CN101015967B Non-aerated gasbag encapsulation technology and device thereof |
| 04/03/2010 | CA2680700A1 Method and apparatus for making a wave top bag |
| 03/18/2010 | US20100069213 Manufacturing Separable Pouches With A Center Cut Blade |
| 03/04/2010 | DE10305030B4 Kontinuierliches Band zur Herstellung von Beuteln für Obst-, Gemüse- und ähnliche Produkte Continuous band for manufacturing bags for fruit, vegetables and related products |
| 03/03/2010 | CN201415510Y Double rank forming system for making flexible package bags |
| 01/06/2010 | CN201376365Y PE film bag making machine |
| 12/09/2009 | CN101596797A Film drawing device for big soft infusion bag production line |
| 09/15/2009 | US7587881 Continuous strip of detachably interconnected folded products |
| 09/15/2009 | CA2487375C Method and machine for preparing postman's route in one single pass |
| 04/23/2009 | WO2007139465A9 A method of sealingly packing piece goods in a bag, as well as bag units adapted herefor |
| 03/18/2009 | EP2035216A1 A carrier or transport strip |
| 03/11/2009 | CN101380830A Partition-type sanitary restaurant film production and application method |
| 02/17/2009 | US7491162 Daily organizer |
| 02/11/2009 | EP2021253A1 A method of sealingly packing piece goods in a bag, as well as bag units adapted herefor |
| 02/11/2009 | CN201192907Y Bag body-containing paper |
| 01/07/2009 | CN101337609A Function type cling-wrap one-way air blockage volumetric packaging material and preparation method thereof |
| 12/31/2008 | CN201172292Y Clip chain line ply-up machine |
| 12/24/2008 | DE102007028430A1 Method for manufacturing sets of detachably connected plastic bags, involves cyclic welding of plastic foil in welding station, transverse to direction of motion of hose path, in order to manufacture bag base |
| 12/10/2008 | EP1406814A4 Methods of making thermal seals and perforations |
| 11/26/2008 | CN101310967A Machine for the production of bags made of heat-sealed alveolar or foamed thermoplastic material |
| 11/13/2008 | DE4311514B4 Vorrichtung zum Siegeln von Folienbahnen aus thermoplastischem Kunststoff A device for sealing the film webs made of thermoplastic material |
| 08/20/2008 | CN201102683Y Paper bag with big mouth and bag-making machine |
| 06/12/2008 | DE10306615B4 Verfahren zur Herstellung von Säcken A process for the production of sacks |
| 06/05/2008 | US20080132394 Zippered film and bag |
| 03/13/2008 | WO2008028513A1 Method for producing film bags |
| 03/13/2008 | CA2679229A1 Method of making foil bags |
| 01/02/2008 | CN101096236A Preparation method for edible instant noodle auxiliary material packing bag |
| 12/06/2007 | WO2007139466A1 A carrier or transport strip. |
| 12/06/2007 | WO2007139465A1 A method of sealingly packing piece goods in a bag, as well as bag units adapted herefor |
| 10/24/2007 | CN200963913Y 制袋机 Making Machine |
| 08/29/2007 | EP1284904B1 Plastics packaging |
| 08/15/2007 | CN101015967A Non-aerated gasbag encapsulation technology and device thereof |
| 08/15/2007 | CN101015966A Detachable bag-making loading method for medicinal transfusion soft bag |
| 07/24/2007 | CA2410653C Plastics packaging |
| 04/26/2007 | WO2007047753A2 Method and apparatus for making block bottom pillow top bags |
| 04/11/2007 | EP1521645B1 Method and machine for preparing postman's route in one single pass |
| 03/28/2007 | EP1767462A1 Bag assembly and method of manufacturing a bag assembly |
| 01/24/2007 | CN2860827Y Thin film packaging bag heat-sealing machine |
| 01/23/2007 | US7165377 Method and machine for preparing postman's route in one single pass |
| 12/21/2006 | US20060287181 Zippered film and bag |
| 12/07/2006 | US20060272295 Continuous strip of detachably interconnected folded products |
| 11/22/2006 | EP1477417B1 Machine and method of obtaining a large tube which is made from a flexible plastic material and which is folded in the form of bellows |
| 09/12/2006 | US7104942 Side seamed plastic produce bag, method of making and dispenser for same |
| 09/05/2006 | US7100348 Continuous strip of detachably interconnected folded products |
| 08/31/2006 | US20060194684 Pre-cut plastic bag roll, method and apparatus for making same |
| 08/17/2006 | US20060180493 Side seamed plastic produce bag, method of making and dispenser for same |
| 07/27/2006 | US20060162864 Methods and envelopes for rational sealing of documents and inserts of different kinds in envelopes |
| 06/07/2006 | EP1663633A1 Plastic garbage bag, method of manufacturing a plastic garbage bag, apparatus for manufacturing a plastic garbage bag |
| 05/23/2006 | US7048224 Wave-cut overlapping trash bags |
| 04/27/2006 | US20060088676 Method for the production of bags |
| 04/05/2006 | CN1754784A Fluid container and method and device for manufacturing the fluid container |
| 03/14/2006 | US7011615 Method for making a multicompartment thermoplastic bag |
| 01/26/2006 | DE102004032301A1 Verfahren zur Herstellung von Beuteln aus Kunststofffolie und Rolle A process for the production of bags made of plastic film and roll |
| 01/17/2006 | US6986921 Thermoplastic elastomer films |
| 01/04/2006 | EP1612038A1 Method for making plastic bags and plastic bags roll |
| 12/22/2005 | US20050282695 Zippered film and bag |
| 11/23/2005 | EP1597059A1 Method for the production of bags |
| 11/03/2005 | WO2005102680A1 Sheets for forming paper bags or envelopes by thermowelding |
| 10/05/2005 | CN1676433A Photopermeable polypropylene food environmentally friendly bag and its manufacturing method |
| 10/04/2005 | CA2170769C Bags and method of making bags |
| 09/27/2005 | US6948294 Method of packaging point-of-purchase items |
| 09/20/2005 | US6945695 Plastic bag and packaging method using same |
| 07/21/2005 | DE10340103B4 Verfahren zur Herstellung von Behältern aus flexiblem Material A process for the manufacture of containers of flexible material |
| 07/20/2005 | CN2710888Y Automatic rolling-up and point-cutting type bag-mfg. machine |
| 06/29/2005 | EP1545899A1 Methods and envelopes for rational sealing of documents and inserts of different kinds in envelopes |
| 06/22/2005 | CN2705305Y Material feeding and forming device for three side sealing bag machine |
| 06/01/2005 | EP1284904A4 Plastics packaging |
| 04/13/2005 | EP1521645A1 Method and machine for preparing postman's route in one single pass |
| 04/13/2005 | CN2691836Y Material feeding shaping device of middle sealing beg making machine |
| 03/31/2005 | DE10340103A1 Verfahren zur Herstellung von Behältern aus flexiblem Material A process for the manufacture of containers of flexible material |
| 03/23/2005 | EP1515834A1 Method for making a multicompartment thermoplastic bag |
| 03/02/2005 | EP1510332A1 Method of producing containers from a flexible material |
| 02/24/2005 | WO2005016638A1 Plastic garbage bag, method of manufacturing a plastic garbage bag, apparatus for manufacturing a plastic garbage bag |