| 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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| 04/14/1994 | WO1994007691A1 Method and apparatus for attaching a spout to a carton |
| 04/14/1994 | CA2124350A1 Method and apparatus for attaching a spout to a carton |
| 04/12/1994 | US5302222 Deadfold sticker method |
| 04/12/1994 | US5302080 Method and apparatus for stacking non-symmetrical flexible articles |
| 03/29/1994 | US5298104 Flexible bag with a removable coupon and a method and apparatus for the manufacture thereof |
| 03/29/1994 | US5298007 Method and apparatus for manufacturing carrier bags of paper |
| 03/17/1994 | WO1994005561A1 Collapsible bag with evacuation passageway and method for making the same |
| 03/17/1994 | CA2143737A1 Collapsible bag with evacuation passageway and method for making the same |
| 03/08/1994 | US5292950 Contains dialkylhydroxylamine; crosslinking and discoloration inhibition |
| 03/08/1994 | US5292300 Enclosure and method for making the enclosure |
| 02/23/1994 | EP0428679B1 Apparatus and method for positioning a port in an aperture in a web or film |
| 02/22/1994 | US5288284 Method for making bags and an apparatus for carrying out this method |
| 02/15/1994 | US5286503 Self-supporting; heat shrinking plies of film which extend |
| 02/15/1994 | US5286248 Flexible pouch with folded spout |
| 02/10/1994 | DE4225998A1 Folding square bag suitable for mass production - is made by combining three strips of foil and has welded seams in middle of sides |
| 02/09/1994 | EP0582460A1 Shrink bag with integral handle |
| 02/08/1994 | US5284002 Apparatus and method for making a reclosable storage bag |
| 02/04/1994 | CA2086477A1 Shrink bag with integral handle |
| 02/01/1994 | US5282351 Method for making, filling and sealing sacks |
| 01/11/1994 | US5276950 Closure strips for bags |
| 01/04/1994 | US5275491 Zippered bags and method of forming the same |
| 12/28/1993 | US5273511 Method to improve welding of profiled plastic film or tape |
| 12/28/1993 | CA1325530C Control and detection circuitry for mass airflow sensors |
| 12/22/1993 | CN2150043Y Formation die for waistcoat bag forming machine |
| 12/09/1993 | DE4218280A1 Continuous sales letter prodn. - involves punching holes in opaque film, covering holes in transparent film locating letter, folding over film and sealing edges before cutting individual envelopes |
| 12/01/1993 | EP0571728A2 Method for checking the formation of continuously advanced products |
| 11/28/1993 | CA2097001A1 Method for the examination of continuously conveyed workpieces |
| 11/24/1993 | EP0570386A1 Apparatus for forming and applying handles to bags. |
| 11/24/1993 | EP0504317A4 Side opening flexible bag with longitudinally oriented carrying handle secured to side panels |
| 11/24/1993 | EP0408766B1 N,n-dialkylaminoalkyl(meth)acrylamide composition having improved preservability |
| 11/18/1993 | EP0569972A1 Food containing package with integral handle, apparatus and method |
| 11/04/1993 | DE4214649A1 Tubular foil bag for cosmetic remover pads - has integral hanger opening and free-standing base and is made from endless foil web |
| 10/27/1993 | EP0255540B1 An apparatus for attaching a fitment to a web of film |
| 10/19/1993 | US5254073 Method of making a vented pouch |
| 09/30/1993 | WO1993018919A1 Desk-top envelope maker |
| 09/29/1993 | EP0471670A4 Nested plastic bags, method of manufacture, and apparatus for manufacturing |
| 09/21/1993 | US5246416 Air separation method and apparatus for pleating a plastic film web |
| 09/18/1993 | CA2063088A1 Pocket body made of a soft plastic sheet |
| 09/14/1993 | US5244450 Process of making blocks of bags |
| 09/14/1993 | US5244449 Apparatus for feeding a continuous plastic film |
| 09/02/1993 | WO1993016931A1 Apparatus and method for making a reclosable bag |
| 09/02/1993 | WO1993016929A1 An easy opening flexible plastic bag and a method of making same |
| 09/02/1993 | WO1993016928A1 Container made of flexible material, method and installation for its fabrication |
| 09/02/1993 | CA2130820A1 Apparatus and method for making a reclosable bag |
| 08/25/1993 | EP0556475A1 Handle for bags with a flat bottom, method and apparatus for manufacturing same |
| 08/24/1993 | US5238306 Method of producing a sealing system for a reclosable webbed-wall package, and system made |
| 08/18/1993 | EP0555387A1 Process and apparatus for preparing a strip of flexible closure material to be applied to a receptacle. |
| 08/18/1993 | CN1075282A Coiling type bag making machine with function of heat-seal followed by taking-off |
| 08/17/1993 | US5236531 Lamination of an inside to an outside material and heating above fusion point of interior material to bond materials |
| 08/12/1993 | DE4203798A1 Tubular bag of sealable material with self standing base - has reinforcements along edges adjoining side walls |
| 08/11/1993 | EP0554524A1 Process for producing bags and apparatus for carrying out this process |
| 08/04/1993 | EP0553693A2 Packaging bag made of flexible material |
| 08/03/1993 | US5232325 Apparatus for stacking flat objects |
| 07/27/1993 | US5230744 Method for cleaning bag machinery |
| 07/27/1993 | US5230688 Servo driven components of a bag machine |
| 07/22/1993 | WO1993013936A1 Process and apparatus for manufacture of dual tab merchandising bag |
| 07/13/1993 | US5227210 Deadfold sticker systems |
| 07/10/1993 | CA2061854A1 Process and apparatus for manufacturing of dual tab merchandising bag |
| 06/17/1993 | CA2085530A1 Method for making bags and an apparatus for carrying out this method |
| 06/09/1993 | EP0545057A1 Device for applying transverse welds and transverse cuts respectively transverse perforation lines to plastic sheets |
| 06/08/1993 | US5216787 Co-extruded profile strip containing lateral webs with adhesive subdivided into ribs |
| 06/07/1993 | WO1993010968A1 Apparatus for forming and applying handles to bags |
| 06/03/1993 | CA2084372A1 Apparatus for producing transverse weld seams, transverse severing cuts and, respectively, transverse lines of perforations in tubular webs |
| 06/02/1993 | EP0544078A1 Device for cutting off tubular plastic sheets containing transverse welds from a continuous sheet, and stacking them |
| 05/26/1993 | EP0543768A1 Deadfold sticker systems |
| 05/19/1993 | EP0541936A1 Device for applying glued cards or sleeves on a continuous web or on moving workpieces |
| 05/19/1993 | EP0541821A1 Self-standing bag and method and device for making said bag |
| 05/19/1993 | CN1072151A Apparatus for application of adhesive coated slips or pieces of tube to moving web or to workpieces being conveyed |
| 05/18/1993 | US5211619 Clamp assembly for bag producing machine |
| 05/05/1993 | EP0539800A2 Method and apparatus for continuously forming bags |
| 05/05/1993 | CN2131679Y Wrapping paper bag machine |
| 04/27/1993 | US5205808 Method and apparatus for making interfolded boxed bags |
| 04/27/1993 | US5205650 Tubular bag with shock absorber band tube for making such bag, and method for its production |
| 04/27/1993 | US5205649 Leakproof packaging |
| 04/27/1993 | CA1316877C Bag with separate attached zipper and method of making |
| 04/20/1993 | US5203819 Apparatus for attaching a fitment to a web of film |
| 04/20/1993 | US5203759 Apparatus for applying a first tie to casing material |
| 04/15/1993 | DE4133344A1 Machine for gluing labels to the undersides of bags - has suction head to grip label for feed to conveyor pressed against underside of bag |
| 04/13/1993 | US5201982 Method for producing self-sealing envelopes |
| 04/13/1993 | CA1316100C Rotary handle cutout with heated knife |
| 04/06/1993 | US5199794 Plastic bag with reusable neck closure band |
| 03/30/1993 | US5198055 Method of forming recloseable packages, profiles used therein, and packages produced thereby |
| 03/17/1993 | CN1069930A Apparatus for discharging bags from bag making machine |
| 02/24/1993 | EP0528721A2 Reclosable plastic bags and method of making same utilizing discontinuous zipper strip |
| 02/24/1993 | EP0528126A1 Apparatus for collecting or stacking flat workpieces on a stacking table |
| 02/24/1993 | CN1069226A Bag making machine |
| 02/23/1993 | US5188580 Plastic film bag manufacturing apparatus and associated methods, and plastic film bags produced thereby |
| 02/23/1993 | CA1313789C Servo driven draw roll for bag machine |
| 02/16/1993 | US5186707 Electrostatic pinning in a process for gusseting film web |
| 02/16/1993 | US5185987 Apparatus for transferring stacks of flexible products |
| 02/10/1993 | EP0527113A1 System and method for manufacturing envelopes |
| 02/10/1993 | EP0526809A1 Apparatus for discharging plastic bags from plastic bag making machine |
| 02/03/1993 | EP0297814B1 Film guide system |
| 01/13/1993 | EP0522383A1 Envelope, case, mailing bag or the like and method for manufacturing the same |
| 01/09/1993 | CA2072823A1 Enclosure and method for making the enclosure |
| 01/05/1993 | US5176611 Sealing assembly attachment and method |
| 12/30/1992 | CN1067414A Reclosable pouch and method and apparatus for forming filling and sealing |
| 12/29/1992 | CA1312049C Collapsible bag and method |
| 12/25/1992 | CA2072209A1 Process of making blocks of bags |
| 12/23/1992 | EP0519166A1 Method for manufacturing a ready-for-sale, reclosable seed bag |