Patents
Patents for B31B 1 - Box, carton, envelope or bag making machinery characterised by performing specific operations (15,372)
05/1977
05/17/1977US4023607 Polyethylene urine bag with tube
05/17/1977US4023470 Method and apparatus for continuous production of bags from thermoplastic film
04/1977
04/26/1977US4019947 Multipurpose sealing and severing method and mechanism
04/19/1977US4018144 Flap folding mechanism for carton making machines
04/05/1977US4015635 Tubes for the production of carrier bags with lateral accordion folds
04/05/1977US4015516 Plug pad inserting apparatus for carton forming machines
03/1977
03/22/1977US4012999 Apparatus for forming trays
03/22/1977US4012996 Apparatus for folding and compression of corrugated container blanks
03/15/1977US4012036 Document hopper
03/15/1977US4011978 Plastic bag machine
03/15/1977US4011799 Carton erecting apparatus
02/1977
02/15/1977US4007671 Folding blank press with means to scarify blank surfaces intended for gluing
02/15/1977US4007669 Apparatus for reversing the running direction of tube sections in sack machines
02/08/1977US4006670 Method and apparatus for forming a collapsed box
01/1977
01/25/1977US4004481 Device for making a perforation in film material
01/18/1977US4003780 Tape dispensing apparatus
01/18/1977US4003300 Apparatus having dual slotter shafts
01/04/1977US4001072 Applicator for pressure-sensitive adhesive fasteners
12/1976
12/28/1976US3999694 Severing useful lengths interconnected through small fillets in a sheet of paper
12/28/1976US3999469 Base folding-in arrangement in a packaging machine
12/21/1976US3998116 Apparatus for removing cut panels from sheet material
11/1976
11/23/1976US3992982 Folding apparatus for corrugated paperboard blanks
11/23/1976US3992981 Web stripping apparatus
11/16/1976US3991660 Carton expander
11/02/1976US3988970 Apparatus for forming flat bottom plastic bags
10/1976
10/26/1976US3988195 Machine for applying a semipermeable patch on a plastic bag
10/19/1976US3986441 Method and apparatus for applying a reinforcing lining blank in a desired position onto a surface of a box blank
10/19/1976US3986440 Method for applying a cutting strip to a container
10/12/1976US3985066 Single point means for slotter adjustment
10/05/1976US3984047 Reinforced thin wall plastic bag
10/05/1976US3983794 Multistep transverse welding process for producing bags from plastic sheets
09/1976
09/21/1976US3981230 Apparatus for thermally machining thermoplastics sheet
09/21/1976US3981213 Rotary sheet material cutter and creaser
09/21/1976US3981122 Apparatus for applying adhesive to carton flaps
08/1976
08/31/1976US3977307 Fabrication of box parts from plastic material
08/31/1976US3977283 Rotary panel cutter for cutting openings in a web
08/24/1976US3976418 Apparatus for gusseting continuous lengths of tubular material
08/17/1976US3974749 Envelope flap separating and distending method and mechanism
08/10/1976US3973475 Box forming machine
08/03/1976US3972271 Apparatus for producing understrips for hinge lid cigarette packets
07/1976
07/27/1976US3971300 Apparatus for ultrasonic sealing of non-uniform folded carton bottom closure
07/27/1976US3971299 Manufacture of bags
07/20/1976US3970202 Apparatus for stacking folded boxes
07/13/1976US3968926 Tearstrip package
07/06/1976US3967543 Apparatus for shaping, while transferring, understrips of hinge lid cigarette packets
06/1976
06/29/1976US3966524 From thermoplastic film
06/29/1976US3965851 Apparatus for applying sealing material to envelopes
06/22/1976US3964953 Apparatus and method for laminating liner to box blank
06/22/1976US3964374 Carton folding and glueing device
06/15/1976US3963557 Article transferring apparatus
06/15/1976US3962942 Cutoff mechanism
06/15/1976US3962848 Envelope flap processing apparatus
06/08/1976US3962023 Apparatus for applying handles to plastic bags
06/01/1976US3960062 Method of making a band of plastic bags
05/1976
05/18/1976US3956975 Packaging method and apparatus
05/18/1976US3956957 Device for longitudinally severing webs
05/18/1976US3956865 Method and apparatus for producing a container
05/11/1976US3955481 Apparatus for adhering traveling strip material to folded blank boxes
05/04/1976US3954367 Stacking wheels with superimposed retarder action
05/04/1976US3954050 Apparatus having a quick-set slotter knife
04/1976
04/27/1976US3952637 Apparatus for changing the rotary position of a slotter member and for changing the relative position between fixed and movable knives on the slotter member
04/13/1976US3949655 Synchronization apparatus for box making machine
04/13/1976US3949652 Device for manufacturing a flap box
04/13/1976US3949631 Punching holes in thin sheet material
03/1976
03/30/1976US3946644 Apparatus for spreading open cross-bottoms on tubular members
03/30/1976US3946629 Apparatus for severing sections from a web of material
03/23/1976US3945305 Cardboard blank folding machine
03/16/1976US3943834 Apparatus for folding and flat-sealing the bottom of a liquid-proof package
03/09/1976US3942686 Glueing device
03/02/1976US3941372 Feeding apparatus for corrugated cardboard sheets
02/1976
02/24/1976US3940307 Apparatus for securing articles to film-like material
01/1976
01/20/1976US3933568 Apparatus for manufacturing a wrapper web provided with a tear-open strip