| Patents for B31B 27 - Machinery characterised by making interconnected envelopes or bags (348) |
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| 01/12/1983 | EP0069299A1 Pouch with closure seal strip and method for making same |
| 12/14/1982 | US4363437 Web of bags |
| 10/19/1982 | US4354335 Method for orderly transport and storage of flat objects and a plastic bag suitable therefor |
| 08/31/1982 | US4346916 Multiple ply business form and manifold assembly |
| 08/17/1982 | US4344557 Detachably connected container strips |
| 07/07/1982 | EP0055509A1 A continuous form assembly of mailer sets |
| 05/25/1982 | CA1124217A1 Envelope assembly |
| 12/29/1981 | CA1115243A1 Envelope assembly |
| 12/22/1981 | US4306656 Medical pouches and a method of manufacturing such pouches |
| 11/03/1981 | US4298158 Packaging element for packaging sheet material |
| 11/03/1981 | CA1111748A1 Apparatus for making chains of sacks |
| 08/25/1981 | US4285681 Tear resistant separable end-connected bags |
| 07/14/1981 | CA1104783A1 Method and apparatus for processing synthetic plastics film |
| 11/11/1980 | US4232589 Method of making plastic bag construction in serial roll form |
| 10/28/1980 | US4230262 Continuous strip of sealed envelopes with inner documents |
| 09/23/1980 | CA1086272A1 Stuffed sealed envelope assembly |
| 07/29/1980 | CA1082508A1 Tear resistant separable end-connected bags |
| 02/05/1980 | CA1071157A1 Continuous business forms envelope assembly |
| 01/09/1980 | EP0006282A1 Improvements in or relating to envelope assemblies |
| 11/27/1979 | US4176000 Apparatus for making chains of sacks |
| 11/20/1979 | US4174804 Symmetrical sack with double side folds |
| 09/06/1979 | WO1979000655A1 Band of bags,process and device for producing such |
| 09/05/1979 | EP0003839A1 Strip of bags and method and device for the manufacture thereof |
| 09/04/1979 | US4166539 Envelope assembly |
| 07/31/1979 | CA1059470A1 Continous envelope assembly |
| 07/17/1979 | CA1058579A1 Continuous business forms assembly with anti-tenting means |
| 05/15/1979 | CA1054579A1 Continuous forms assembly |
| 01/09/1979 | CA1046024A1 Return envelope for mailer |
| 07/25/1978 | US4102251 Method of making a continuous envelope |
| 06/20/1978 | US4095695 Stuffed sealed envelope assembly and method of making |
| 05/16/1978 | US4089729 Apparatus for manufacturing plastic bags in a continuous way |
| 03/28/1978 | US4081127 Return envelope for mailer and method |
| 01/17/1978 | US4068566 Universal bag-making machine |
| 01/03/1978 | US4066206 Continuous envelope assembly |
| 12/27/1977 | US4064776 Apparatus for making tear resistant separable end-connected bags |
| 08/16/1977 | US4041846 Method of making container strips |
| 08/02/1977 | US4039122 Continuous business form or the like adapted for subsequent processing into original indicia bearing lottery tickets, envelopes or the like |
| 06/21/1977 | US4030956 Method of manufacturing plastic bags in a continuous way |
| 01/18/1977 | US4003782 Apparatus for producing a package of imbricated bags |
| 12/07/1976 | US3996093 Apparatus for producing transverse weld seams in a two-ply web of plastic film |
| 11/30/1976 | US3994209 Continuous high speed plastic bag fabricating machine |
| 11/02/1976 | US3988971 Method of making envelope assembly |
| 09/14/1976 | US3980006 Continuous envelope system |
| 06/01/1976 | US3960062 Method of making a band of plastic bags |
| 05/11/1976 | US3956049 Continuous business form or the like adapted for subsequent processing into original indicia bearing lottery tickets, envelopes or the like |
| 04/27/1976 | US3952871 Machine loadable multi-pocket, multi-section article carrier stock |
| 03/02/1976 | US3941308 Continuous mailer envelope assembly with inserts and method |
| 02/24/1976 | US3940124 Multi-ply lottery tickets or like articles, continuous business form and method for producing same |