| 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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| 10/14/1986 | US4617683 Reclosable bag, material, and method of and means for making same |
| 09/30/1986 | US4614472 Apparatus for the manipulation of plastic bags |
| 09/25/1986 | WO1986005442A1 Method for fabricating bags made of flexible material, particularly plastic, device for implementing such method and bags obtained thereby |
| 09/23/1986 | US4613320 Container forming apparatus |
| 09/09/1986 | US4611350 Bag having a band of reduced diameter |
| 09/09/1986 | US4610651 Method of and apparatus for manufacturing bags with tabs |
| 09/09/1986 | US4610650 Plastic bag handle forming apparatus |
| 09/02/1986 | US4609366 Apparatus for the manufacture of plastic bags by wave-like incision to define handgrips |
| 09/02/1986 | US4609107 Easy open and reclosable bag having a separable reclosure tie |
| 08/27/1986 | EP0191770A1 Flexible container with improved fluid flow guide |
| 08/26/1986 | US4607556 Coupon cutting machine |
| 08/14/1986 | WO1986004545A1 Former for form, fill and seal packaging machines |
| 08/12/1986 | US4605392 Apparatus for making plastic carrier bags |
| 08/12/1986 | CA1209606A1 Apparatus for folding paper sacks to z-shape |
| 07/22/1986 | US4601694 Thin wall reclosable bag material and method of making same |
| 07/15/1986 | CA1207573A1 Plastic bag handle aperture forming apparatus |
| 07/01/1986 | US4597750 Insertion of draw tape strips in draw tape bag manufacture |
| 07/01/1986 | US4597749 Thermoplastic bag having reinforced handles and method of manufacture |
| 06/24/1986 | CA1206363A1 Drive system for plastic bag making apparatus |
| 06/24/1986 | CA1206362A1 Bag making machine having a separating apparatus |
| 06/17/1986 | CA1206026A1 Apparatus for conveying a strip of raw material in a bag producing machine |
| 06/10/1986 | CA1205786A1 Method of making multiple reclosable bag material and the resulting material |
| 06/03/1986 | US4592938 Different strengths of polyethylene |
| 05/28/1986 | EP0182568A2 Coupon cutting machine |
| 05/28/1986 | EP0182384A1 Device for stacking flat objects, preferably bags made from a plastic web |
| 05/28/1986 | EP0182071A1 Device for stacking flat objets equipped with two register holes, especially bags made from a plastic web |
| 05/28/1986 | EP0181873A1 Easy open and reclosable package and apparatus for making same. |
| 05/07/1986 | EP0179950A1 Improvements relating to sealing arrangements |
| 04/30/1986 | EP0179207A2 Package of bags sealed together by heat penetration, method and apparatus for manufacturing it |
| 04/29/1986 | US4585221 Envelope forming machine with envelope blank stack sensor |
| 04/22/1986 | US4584706 Chain of laterally interconnected bags |
| 04/15/1986 | US4582549 Method and apparatus for producing bag making material having reclosable fasteners |
| 04/15/1986 | US4582506 Method for the production control on bag machines |
| 04/15/1986 | CA1203256A1 Apparatus for folding paper sacks to z shape |
| 04/08/1986 | US4581007 Adhesive closure bags and method for producing same |
| 04/08/1986 | US4581006 Method of and means for positioning sliders on zippers for reclosable bags |
| 03/25/1986 | US4578051 Film tube gusset forming machine |
| 03/05/1986 | EP0173506A2 Methods for preparing a stack of thermoplastic sacks |
| 03/04/1986 | US4573956 Slitter assembly for double fold bottomer apparatus |
| 03/04/1986 | US4573955 Apparatus for stacking thermoplastic sheets |
| 02/18/1986 | US4571235 Methods for preparing flat-bottom thermoplastic sack and systems therefore |
| 02/18/1986 | CA1200804A1 Separation apparatus for separating perforated paper tube sections |
| 02/13/1986 | WO1986000868A1 Flexible container with improved fluid flow guide |
| 02/11/1986 | CA1200356A1 Process and apparatus for the production of a foam tube with closure |
| 02/04/1986 | US4568322 Plastic bag machine having a separating apparatus |
| 02/04/1986 | US4568321 Apparatus and method for making bags from flexible film material |
| 01/28/1986 | US4566927 Continuous driving of elongated web, printing, and cutting |
| 01/28/1986 | US4566250 Method and apparatus for producing bag-shaped packages with cap body and content |
| 01/28/1986 | EP0108798A4 Method and apparatus for continuous formation of reclosable article wrappers. |
| 01/21/1986 | CA1199459A1 Method of bonding synthetic resin fastener having fusion heat to flat film |
| 01/07/1986 | US4563319 Interlocking rib and groove plastic bags |
| 12/24/1985 | US4561109 Plastic bags with releasable closure which resists opening from inside |
| 12/24/1985 | US4561107 Web of plastic bags |
| 12/11/1985 | EP0163755A1 Square ended bag |
| 12/10/1985 | US4557715 Tuck assembly for a pocket file folder line |
| 11/26/1985 | US4555282 Method of and means for bonding synthetic resin profiled fasteners to film substrate |
| 11/26/1985 | US4555025 Shrink bag with integral handle |
| 11/19/1985 | US4554192 Grocery sacks |
| 11/19/1985 | CA1196848A1 Method and apparatus for high speed pouch and bag making |
| 11/19/1985 | CA1196758A1 Manufacturing process for channel seal |
| 11/13/1985 | EP0161098A2 A thermoplastic bag, method and system for its manufacture |
| 11/07/1985 | WO1985004849A1 Easy open and reclosable package and apparatus for making same |
| 10/29/1985 | US4549877 Apparatus for making bags of thin synthetic-resin film |
| 10/23/1985 | EP0159251A1 Device for stacking plastic bags arranged at the end of a machine for making these bags |
| 10/15/1985 | US4547237 Laterally enclosed with pressure sensitive tape |
| 10/08/1985 | US4545846 Envelope gumbox friction brake and safety slip clutch |
| 10/02/1985 | EP0156627A2 Vacuum bag fluid flow guide |
| 10/01/1985 | CA1194511A1 Apparatus for stacking flat articles |
| 09/25/1985 | EP0155548A2 Apparatus for welding sheets |
| 09/18/1985 | EP0155100A1 Manufacture of gusseted bags |
| 09/10/1985 | US4540396 Apparatus for folding paper sacks to Z shape |
| 08/27/1985 | US4537588 Punch device for making window cut-outs |
| 08/27/1985 | US4537586 Method and apparatus for applying coupon strips to paper bags |
| 08/21/1985 | EP0152199A2 Reinforced plastic bags |
| 08/13/1985 | US4534752 Apparatus and method for securing top ends of sack gussets |
| 08/06/1985 | US4533425 Apparatus for securing a valve to a wrapper sleeve |
| 08/06/1985 | CA1191445A1 Apparatus for treating and severing sections from intermittently fed webs |
| 07/09/1985 | US4528224 Method of making multiple reclosable bag material |
| 07/09/1985 | CA1190079A1 Method and apparatus for folding and cutting articles from a tubular thermoplastic envelope |
| 07/03/1985 | EP0147122A1 Plastic bag handle aperture forming apparatus |
| 06/18/1985 | US4524459 Square ended bag |
| 06/18/1985 | US4523918 Method of forming a bag chain |
| 06/18/1985 | CA1189102A1 Device for stacking bags |
| 06/11/1985 | CA1188504A1 Control device and method for gluing together sets of continuous forms |
| 05/28/1985 | CA1187845A1 Handle for carrier bag and method of making handled carrier bag |
| 05/21/1985 | US4517868 Method of and device for making perforations in a tubular web of plastics foil |
| 05/15/1985 | EP0141718A1 Cutting machine for plastic sheets at the end of a bag-making machine |
| 05/15/1985 | EP0141287A2 Improvements in stacking thermoplastic sheets |
| 05/14/1985 | US4516895 Bag forming machines of the top stacking type with stack clamp |
| 05/14/1985 | CA1186979A1 Apparatus for forming transverse seam welds or separated transverse seam welds in tubular or semitubular plastic film webs |
| 05/07/1985 | US4515273 Bag with tab and method of forming |
| 04/25/1985 | WO1985001687A1 Device for cutting a sheath of film of plastic material particularly at the outlet of a machine for manufacturing bags |
| 04/24/1985 | EP0138028A1 Slitter assembly for double fold bottomer apparatus |
| 04/23/1985 | US4513445 Adhesive closure bags and method for producing same |
| 04/23/1985 | US4512757 Double-seam bag-making method and apparatus with offset stacking |
| 04/23/1985 | US4512136 Fitment attachment methods in horizontal form/fill/seal machines |
| 04/10/1985 | EP0136602A1 Device for manufacturing carrying bags from synthetic material |
| 04/09/1985 | US4510620 Handle for carrier bag and method of making handled carrier bag |
| 04/09/1985 | US4509642 Containers of flexible material |
| 04/03/1985 | EP0135520A1 Device for fabricating multi-layer sacks. |