| Patents for B31B 23 - Machinery characterised by making rectangular envelopes or bags of flat form, i.e. without structural provision at the base for thickness of contents, from webs, e.g. from flattened tubular webs (1,472) |
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| 09/22/1998 | US5810706 bag with an access hole in one panel |
| 09/17/1998 | WO1998040286A2 Bag tube and method for producing a deformable receptacle |
| 09/11/1998 | WO1998039225A1 Holder made from layered paper material, as well as method and device for producing a holder of this kind |
| 09/08/1998 | US5803888 Multi-web carrier |
| 09/02/1998 | EP0729406B1 Retractable web separator |
| 09/01/1998 | US5800325 High speed machine and method for fabricating pouches |
| 07/29/1998 | CN1189123A Manufacture of bags |
| 07/28/1998 | US5786010 Bag and method of making the same |
| 07/23/1998 | WO1998031536A1 Method of manufacturing a window mailing envelope |
| 07/21/1998 | US5782733 Method for making reclosable bags |
| 07/14/1998 | US5779180 Winder for use with bag-making machine |
| 06/04/1998 | WO1998023439A1 Method and apparatus for obtaining individual web sections from a web of sheet material |
| 06/02/1998 | US5759144 Gusseted bulk bag liner and method of manufacture |
| 05/27/1998 | EP0844070A1 Method and apparatus for obtaining individual web sections |
| 05/20/1998 | EP0842765A2 Method and apparatus for detecting a seal on a plastic bag |
| 05/05/1998 | US5746352 Metered flexible dispensing package |
| 04/22/1998 | EP0837020A2 Winder for use with bag-making machine |
| 04/18/1998 | CA2216677A1 Winder for use with bag-making machine |
| 03/10/1998 | US5724789 Multi-compartment package, system and method |
| 03/04/1998 | EP0724516B1 Multi-web carrier |
| 02/18/1998 | EP0823876A1 Manufacture of bags |
| 01/20/1998 | US5709641 Thermoplastic bag structure |
| 11/25/1997 | US5690600 Retractable web separator |
| 11/20/1997 | WO1997042897A1 Flexible, multiple-compartment drug container and method of making and using same |
| 11/13/1997 | DE19618814A1 Car seat cover production |
| 10/17/1997 | CA2202836A1 Improved envelope maker and method of use |
| 10/02/1997 | WO1997035711A1 Thermoplastic bag structure |
| 10/02/1997 | WO1997035708A1 A method for producing ice cube bags |
| 09/18/1997 | WO1997033744A1 Roll of bags and method and device for producing the same |
| 09/17/1997 | EP0795393A2 Method and apparatus for production of icecube bags |
| 09/02/1997 | US5662575 Method and apparatus for continuously forming bags |
| 08/19/1997 | US5657867 Device for containing a compact disc |
| 07/22/1997 | CA2139560C Manufacture of bulk bags |
| 06/25/1997 | EP0780222A2 Method and apparatus for manufacturing bags from single- or multi-ply paper tubes |
| 06/24/1997 | US5640831 Forming an envelope having a die cut window and containing inserts |
| 05/13/1997 | US5628863 Pouch producing machine |
| 05/07/1997 | CN1149016A Production line for single surface corrugated paper covers |
| 04/08/1997 | US5618254 Gusseted bulk bag liner and method of manufacture |
| 03/12/1997 | EP0761554A1 Bag, bag opening method, and apparatus |
| 03/12/1997 | EP0761425A1 Torque control for continuous motion bag machine |
| 03/12/1997 | EP0615510B1 Method and apparatus for forming individual pouches from a continuous web and packaging a product |
| 03/06/1997 | CA2184767A1 Torque control for continuous motion bag machine |
| 02/19/1997 | CN2247594Y Packing bag barrel material edge folder |
| 02/05/1997 | EP0756560A1 Windowed bag and process of making |
| 01/22/1997 | EP0754629A1 Specialized product pouches |
| 01/21/1997 | US5595798 Protective holders for disks |
| 01/21/1997 | US5595797 Protective holders for disks |
| 01/21/1997 | US5595293 Wallet for containing a compact disc, and fabrication method |
| 01/08/1997 | CN2244474Y Combined bag-making machine of stretching film type |
| 12/24/1996 | US5587032 Method and apparatus for registration of a seal on a plastic bag |
| 11/07/1996 | WO1996034737A1 Manufacture of bags |
| 11/05/1996 | US5571361 Apparatus and method for fabricating breather bags |
| 10/29/1996 | US5568717 Forming an envelope around inserts |
| 10/28/1996 | CA2168275A1 Gusseted bulk bag liner and method of manufacture |
| 10/09/1996 | CN2236941Y Automatic pressing and cutting device for plastic knitting bag length |
| 09/11/1996 | EP0730524A1 Bags and method of making bags |
| 09/04/1996 | EP0729406A1 Retractable web separator |
| 08/21/1996 | EP0726844A1 Method for manufacturing a film used for the production of bags and corresponding bag |
| 08/14/1996 | EP0725726A1 Dual-envelope making machine and method of using |
| 08/07/1996 | EP0724516A1 Multi-web carrier |
| 07/24/1996 | CN1127178A Apparatus for production of multi-layered soft tube for making bags |
| 07/16/1996 | US5536356 Apparatus and method for fabricating breather bags |
| 07/02/1996 | US5531358 Flexible dispensing package |
| 05/23/1996 | WO1996015039A1 A roll-pack of plastic bags designed to allow the extemporaneous removal of separate, individual bags |
| 05/21/1996 | US5518559 Method and apparatus for registration of a seal on a plastic bag |
| 02/29/1996 | WO1996005960A1 Multi-web carrier |
| 02/29/1996 | WO1996005959A1 Retractable web separator |
| 02/22/1996 | WO1996005050A1 Method for fabricating plastic bags for the disposal of rubbish |
| 12/26/1995 | US5478302 Method for continuously producing envelopes, bags, and shipping pouches and the product so produced |
| 12/12/1995 | US5474637 Corona pretreated inner and outer layer before coating inner layer of fluorinated ethylene-propylene copolymer and outer layer of a thermosetting polyimide |
| 11/14/1995 | US5465842 Composite endless form for making flexible, windowed, form, fill and seal bags |
| 11/02/1995 | WO1995029095A1 Windowed bag and process of making |
| 11/02/1995 | CA2188298A1 Windowed bag and process of making |
| 10/17/1995 | US5458730 Peel package sealing machine |
| 09/13/1995 | EP0725726A4 Dual-envelope making machine and method of using |
| 09/10/1995 | CA2144233A1 Envelope or shipping container, and method for making such articles |
| 09/05/1995 | US5447486 For making plastic bags |
| 08/10/1995 | DE4403368A1 Packaging container useful for holding grease for cleaner use |
| 07/26/1995 | EP0664208A2 Apparatus for manufacturing a multilayer tube for making bags |
| 07/20/1995 | DE4401268A1 Method of mfg. liq. packages using flat hose web |
| 06/06/1995 | CA2010339C Apparatus for applying reinforcing slips provided with a glue coating to a web having transverse perforation lines |
| 05/23/1995 | US5417639 Bags and method of making same |
| 05/18/1995 | DE4440309A1 Einhalten einer Perforationssynchronisierung Maintaining a Perforationssynchronisierung |
| 05/13/1995 | CA2135228A1 Maintaining perforation phasing |
| 05/02/1995 | US5410857 Process for making windowed form, fill and seal bags |
| 04/25/1995 | US5409752 Set of envelopes consisting of a web the front and back surfaces of which bear areas of adhesive |
| 04/25/1995 | CA1335344C Process of producing a flattened gusseted continuous tubing from a flat continuous plastic film |
| 04/19/1995 | EP0631541A4 Apparatus and method for maintaining the confidentiality of printed information. |
| 04/13/1995 | WO1995009727A1 Bags and method of making bags |
| 03/28/1995 | US5401533 Method of making resealable packaging material |
| 03/23/1995 | DE4331427A1 Process for producing flat bags or satchel bags |
| 02/15/1995 | EP0638411A1 Method and apparatus for registration of a seal on a plastic bag |
| 01/04/1995 | EP0631541A1 Apparatus and method for maintaining the confidentiality of printed information |
| 12/28/1994 | EP0630743A1 Machine for continuous manufacture of wrappers, pouches, envelopes, etc. |
| 12/14/1994 | EP0628006A1 Apparatus and method for making a reclosable bag |
| 11/30/1994 | CN1026772C Plastic film feeding apparatus |
| 11/22/1994 | CA2124064A1 Apparatus for the continuous production of an article of manufacture, such as envelopes |
| 11/17/1994 | EP0624458A1 Method and apparatus for manufacturing bags out of a plastics film, especially for beverages and foodstuffs |
| 10/25/1994 | US5358592 Bag making machine control |
| 10/18/1994 | US5356363 Apparatus for making flat packaging bags from a flexible sheet of synthetic material |