Abstract: The invention relates to a packaging machine with a sealing device, whereby a sealing-tool upper part or sealing-tool lower part can be excited to a vibration (S) approximately parallel to a sealing plane (E).

Abstract: The present invention is directed to a waste packaging device, a method of storing waste and to a film for use in this system and method. The device comprises a dispensing apparatus where a plastic film is stored, a bin where a fusion seal apparatus is located, and a fusion seal apparatus.

Abstract: A method and apparatus for sealing a bag made of a polymeric material by applying heat activated layers on different portions of the bag, wherein the first adhesive layer and the second adhesive layer have respective heat activation temperatures below the softening point temperature of the polymeric material; after creasing the bag along a fold line, applying heat at a temperature below the softening point temperature of the polymeric material to activate the first adhesive layer and the second adhesive layer to adhesive states after the bag has been filled with contents; and folding the bag to form an adhesive-to adhesive seal by contact between the heat activated first adhesive layer and the heat activated second adhesive layer.

Abstract: An induction sealing device for producing packaged pourable food products from heat-seal sheet packaging material. The sealing device has a signal source, an inductor, and an impedance matching circuit connected between the signal source and the inductor. The impedance matching circuit has: two input terminals; a first and second line connected to the input terminals; a variable-capacitance stage having capacitive modules each made up of a capacitive element and a controlled switch; and a control stage to control the controlled switches. Each controlled switch includes: input terminals receiving a respective control signal from the control stage, with one input terminal of each controlled switch connected to the second line; a single two-way controlled switching element having a control terminal connected to the other input terminal of the controlled switch; a first current-conducting terminal connected to the first line, and a second current-conducting terminal connected to the second line.

Abstract: A method, system and article for producing an envelope having improved seal integrity. A method includes the steps of: disposing at least one material at the interface of the adhesive seal between the flap and the body portion of the envelope, which material radiates thermal energy when combined with an activating agent. The envelope is then sealed by closing the flap onto the body portion of the envelope and combining the material with the activating agent at the sealing interface so as to change the thermal energy radiated therefrom. The seal is then inspected to determine whether the thermal energy radiated from the activated material has changed thereby confirming that a seal has been produced between the flap and body portion of the envelope. The system and article are directed to the various modules of a mailpiece fabrication system employed to produce the mailpiece including an inspection module for confirming that a seal has been formed.

Abstract: The disclosure relates to a method and an apparatus for forming and thermosealing one end of a packaging container which is manufactured from thermosealing material. The packaging container is placed in a conveyor which brings it into contact with mechanical forming devices (22) which progressively reform the packaging container end so that a sealing fin (6) oriented in the direction of movement of the packaging container is formed. In a subsequent sealing station (12), thermoplastic material located in the sealing fin (6) is heated to sealing temperature, whereafter wall portions included in the sealing fin are mechanically urged against one another during simultaneous cooling and continued advancement.

Abstract: The closure system of the present invention includes a pressure pad of conventional design which is urged against the external surfaces of a plurality of loosely associated overlying prefolded end side wall portions of the bottom end of a carton blank which is disposed on a mandrel which includes a backup pad disposed within the carton and contiguous to the internal surfaces of the prefolded end side wall portions to thereby capture the prefolded end side wall portions between the pressure pad and the backup pad.