Patents Assigned to Multivac
  • Tool arrangement with detachable tool locking
    Patent number: 9272797
    Abstract: The disclosure relates to a tool arrangement, comprising a tool holder, a tool, and at least one locking device for detachably locking the tool with the tool holder, wherein a counter-tool is provided and the tool holder includes a compressed-air duct. The locking device is designed such that it unlocks as soon as a given pressure has been reached in the compressed-air duct. The disclosure is distinguished by a vent hole which is in fluid connection with the compressed-air duct and is arranged in such a manner that it is not closed until the tool rests upon the counter-tool.
    Type: Grant
    Filed: May 4, 2012
    Date of Patent: March 1, 2016
    Assignee: MULTIVAC SEPP HAGGENMUELLER GMBH & CO. KG
    Inventor: Juergen Praesenz
  • Method and sealing station for sealing packaging units
    Patent number: 9266635
    Abstract: The invention relates to a method for sealing at least a packaging unit by means of a sealing tool lower part carrying the packaging unit, a sealing tool upper part, and a sealing plate. The sealing tool lower part is configured to perform a lifting movement by means of a drive. The invention is characterized in that the lifting movement is performed in a uniform, continuous motion from a lowered position, via an intermediate position in which a packaging unit is clamped, to a final position. The invention further relates to a sealing station for a packaging machine in which the sealing plate is suspended via a damping unit at the sealing tool upper part.
    Type: Grant
    Filed: June 22, 2012
    Date of Patent: February 23, 2016
    Assignee: MULTIVAC SEPP HAGGENMUELLER GMBH & CO. KG
    Inventors: Lars Ickert, Andreas Mader, Bernhard Langer
  • Packaging machine with a liftable and lowerable tool
    Patent number: 9260208
    Abstract: The disclosure relates to a packaging machine comprising a liftable and lowerable tool, wherein a first lift drive, implemented as a spindle drive with a spindle and a spindle nut, and a second lift drive are provided for moving the tool in a vertical direction. The disclosure is characterized in that, by means of the second lift drive, a tool guide is movable in a vertical direction, and that, at a raised position of the tool guide, the tool can be put down on the tool guide by means of the spindle drive.
    Type: Grant
    Filed: December 23, 2011
    Date of Patent: February 16, 2016
    Assignee: MULTIVAC SEPP HAGGENMUELLER GMBH & CO. KG
    Inventors: Johannes Muehlschlegel, Juergen Praesenz
  • Work station for a packaging machine and tool changing method
    Patent number: 9248929
    Abstract: The present invention relates to a work station for a packaging machine, comprising an upper tool and a lower tool arranged below the upper tool. These tools are configured for acting on a packaging web. A lifting unit is able to move the upper tool and/or the lower tool such that, at a specific position, the two tools abut on one another or are only spaced apart at a small distance. According to the present invention, the two tools are adapted to be coupled to one another by a releasable coupling at this position so that they can be removed from the work station in common. The invention also relates to a corresponding method for removing a lower tool from a work station, e.g. for the purpose of tool exchange.
    Type: Grant
    Filed: May 10, 2012
    Date of Patent: February 2, 2016
    Assignee: MULTIVAC SEPP HAGGENMUELLER GMBH & CO. KG
    Inventors: Elmar Ehrmann, Helmut Sparakowski
  • Method for producing a package and packaging machine
    Patent number: 9227743
    Abstract: A method for producing a package with the following steps is described. Forming of a container (13) in a web of a first web material (7); subsequent sealing of a cover (14) onto the container produced within an outer contour of the package to be produced; and thereafter cutting of the container (13) out of the first web material (7) along the outer contour of the package to be produced and outside of an outer contour of the cover (14) sealed thereon.
    Type: Grant
    Filed: April 11, 2007
    Date of Patent: January 5, 2016
    Assignee: MULTIVAC Sepp Haggenmueller GmbH & Co. KG
    Inventors: Johann Natterer, Helmut Sparakowski
  • Lifting device for a packaging machine
    Patent number: 9188208
    Abstract: The invention relates to a lifting device for a work station of a packaging machine, the lifting device comprising two drive shafts, which are arranged in parallel and which each have arranged thereon at least two toggle levers for vertically moving in common a tool lower part. The drive shafts each have a servomotor as a drive unit and the servomotors are synchronized with each other.
    Type: Grant
    Filed: May 23, 2013
    Date of Patent: November 17, 2015
    Assignee: MULTIVAC SEPP HAGGENMUELLER GMBH & CO. KG
    Inventor: Elmar Ehrmann
  • Thermoform packaging machine and method for stretching a film web
    Patent number: 9180987
    Abstract: The disclosure relates to a thermoform packaging machine for stretching a film web as well as to a method of operating a thermoform packaging machine, in the case of which a stretching station with a heating unit is provided, and the film web is actively cooled by means of a film cooling device after stretching of the film web.
    Type: Grant
    Filed: October 20, 2011
    Date of Patent: November 10, 2015
    Assignee: MULTIVAC SEPP HAGGENMUELLER GMBH & CO. KG
    Inventors: Bernhard Grimm, Annett Grott
  • Sealing station for a packaging machine
    Patent number: 9169033
    Abstract: A sealing station for a packaging machine comprises a sealing tool for sealing packages, an underpressure source for evacuating packages in the sealing station, and an overpressure source for providing compressed air so as to press the sealing tool against a package. A single drive is provided for the underpressure source and the overpressure source, the underpressure source and/or the overpressure source being a pump that is configured as a rotary vane pump or as a helical pump.
    Type: Grant
    Filed: May 4, 2011
    Date of Patent: October 27, 2015
    Assignee: MULTIVAC SEPP HAGGENMULLER GMBH & CO. KG
    Inventors: Elmar Ehrmann, Herbert Kirmse
  • Thermoforming packaging machine for producing upright standing packages with undercut
    Patent number: 9126363
    Abstract: The disclosure is directed to a thermoforming packaging machine (1) for producing upright standing packagings (21) with an undercut (26) formed into the packaging. The machine comprises a forming station (2) with a lower forming tool (30) and/or a sealing station (3) with a lower sealing tool (40). The disclosure is characterized by the lower forming tool (30) and/or the lower sealing tool (40) comprising a movable forming wall section (32) or a movable sealing seam support section (41a), respectively, in the area of the undercut (26). The disclosure is also related to a corresponding method for producing packagings (21).
    Type: Grant
    Filed: September 16, 2011
    Date of Patent: September 8, 2015
    Assignee: MULTIVAC SEPP HAGGENMUELLER GMBH & CO. KG
    Inventors: Kenneth Harding, J. Scott Nixon, Christian Uebele
  • Race track conveyor and packaging facility
    Patent number: 9096377
    Abstract: A race track conveyor having at least two conveyor belts. Each conveyor belt includes a separate drive allowing each conveyor belt to independently transport a group of products from a first end to a second end of the race track conveyor. Each conveyor belt may include two belts, each belt being driven by the respective drive of the conveyor belt. The present race track conveyor may include three conveyor belts. The present race track conveyor may be configured to process different formats when loading and unloading product onto the race track conveyor allowing the race track conveyor to move product machines that have different work cycles.
    Type: Grant
    Filed: May 12, 2014
    Date of Patent: August 4, 2015
    Assignee: MULTIVAC SEPP HAGGENMUELLER GMBH & CO. KG
    Inventor: Peter Bergler
  • Sealing station and method for cutting a cover film
    Patent number: 9073656
    Abstract: The disclosure relates to a method for cutting a cover film as well as to a sealing station of a tray sealing machine, whereby a blade is arranged on a sealing frame or on a tool lower part and the sealing frame executes a relative movement with respect to the sealing tool lower part.
    Type: Grant
    Filed: October 11, 2011
    Date of Patent: July 7, 2015
    Assignee: MULTIVAC SEPP HAGGENMUELLER GMBH & CO. KG
    Inventor: Andreas Mader
  • Labeler and method for labeling
    Patent number: 9073657
    Abstract: The invention relates to a labeler and a method for applying labels onto an article strip, wherein a transfer device is moved continuously when said labels are pressed on and a lifting device of said transfer device comprises a height-adjustable actuator.
    Type: Grant
    Filed: May 21, 2013
    Date of Patent: July 7, 2015
    Assignee: MULTIVAC MARKING & INSPECTION GMBH & CO. KG
    Inventors: Georg Austermeier, Tanja Jansen
  • Feeding device
    Patent number: 9073702
    Abstract: The invention relates to a feeding device for transporting products, wherein the products are provided to the feeding device in groups. The feeding device comprises at least one first and one second conveyor belts which are arranged one behind the other in the direction of transport, wherein a first group of products can be transferred from the first conveyor belt to the second conveyor belt. According to the invention, the conveyor belts can be accelerated such that a gap between the groups can be reduced to improve the production flow.
    Type: Grant
    Filed: February 15, 2013
    Date of Patent: July 7, 2015
    Assignee: MULTIVAC SEPP HAGGENMULLER GMBH & CO. KG
    Inventor: Norbert Wörz
  • Packaging machine and method of forming a vacuum package
    Patent number: 9073654
    Abstract: The disclosure relates to a packaging machine and to a method of forming a vacuum package. A first evacuable chamber is used for accommodating therein a product-accommodating section of a package, whereas a second evacuable chamber is used for accommodating therein an opening section of the package. Pressure gauges measure the pressure in both chambers, and a supply air valve serves to supply air into the first chamber. The disclosure is characterized in that the supply air valve is a control valve and is adapted to be controlled in dependence upon the difference between the pressures which prevail in the first and second chambers and which are measured by means of the two pressure gauges. The disclosure also relates to the fact that a gap is provided in a partition between the two chambers and that an adjuster is provided for varying and adjusting the cross-sectional area of said gap.
    Type: Grant
    Filed: December 16, 2011
    Date of Patent: July 7, 2015
    Assignee: MULTIVAC SEPP HAGGENMUELLER GMBH & CO. KG
    Inventors: Klaus Rothermel, Christian Schoemig, Herbert Kirmse
  • Container for accommodating products during a high-pressure treatment
    Patent number: 9055755
    Abstract: The invention relates to a container for the accommodation of products during a high pressure treatment of the products, whereby the container comprises an outer wall and a cavity situated within the outer wall for the accommodation of the products. With the container according to the invention at least one section of the outer wall is formed by a large number of mutually coupled chain links, which are arranged in the form of at least one multi-dimensional chain link matrix.
    Type: Grant
    Filed: August 9, 2011
    Date of Patent: June 16, 2015
    Assignee: MULTIVAC SEPP HAGGENMUELLER GMBH & CO. KG
    Inventor: Tobias Richter
  • Conveying unit for thermoform packaging machine
    Patent number: 9051125
    Abstract: The invention relates to a conveying unit for guiding and conveying a material web in a thermoform packaging machine, comprising, on either longitudinal side of a machine frame, a conveyor chain, a chain wheel and a guide device. A chain link of the conveyor chain and a clamp guide can be implemented together and in one piece as a shaped part.
    Type: Grant
    Filed: December 9, 2013
    Date of Patent: June 9, 2015
    Assignee: MULTIVAC SEPP HAGGENMUELLER GMBH & CO. KG
    Inventor: Gunnar Kurz
  • Lifting device for chamber conveyor belt machine
    Patent number: 9032695
    Abstract: A lifting device for the movement of a chamber upper part of a chamber conveyor belt machine, the lifting device having first and second lifting mechanisms. The first lifting mechanism may be driven by a motorized drive, and the second lifting mechanism may be driven by an adjusting cylinder. The lifting device may further include a connection element for coupling the two lifting mechanisms.
    Type: Grant
    Filed: March 29, 2011
    Date of Patent: May 19, 2015
    Assignee: MULTIVAC SEPP HAGGENMULLER GMBH & CO. KG
    Inventors: Rainer Häring, Klaus Rothermel
  • Sealing tool
    Patent number: 9003746
    Abstract: A sealing tool for a packaging machine comprises a sealing tool outer part, a sealing tool inner part that is movable in the sealing tool outer part, and a seal provided between the sealing tool outer part and the sealing tool inner part. The has a planar and annular design and is fixed in a first holding region at the sealing tool outer part as well as in a second holding region at the sealing tool inner part. The second holding region is disposed at or in the proximity of an outer edge of the sealing tool inner part.
    Type: Grant
    Filed: January 14, 2011
    Date of Patent: April 14, 2015
    Assignee: Multivac Sepp Haggenmuller GmbH & Co. KG
    Inventors: Dieter Holzem, Hubert Zeller
  • Winder for film trim winding
    Patent number: 8998122
    Abstract: The disclosure relates to a winder for winding film trims for packaging machines. The winder comprises a drive, a winding mandrel and at least two winding rolls. The disclosure is characterized by an adjustment device for adjusting a torque threshold above which slip occurs between the respective winding rolls and the winding mandrel and/or between the individual winding rolls.
    Type: Grant
    Filed: February 3, 2012
    Date of Patent: April 7, 2015
    Assignee: Multivac Sepp Haggenmueller GmbH & Co. KG
    Inventors: Klaus Weiss, Elmar Ehrmann, Guenther Braeckl
  • Packaging machine with dynamic chain tension
    Patent number: 8985423
    Abstract: The invention relates to a packaging machine, in particular a thermoformer, traysealer, comprising at least two transport chains for transporting a web of material, such as a film or the like. The packaging machine is characterized in that sensor means are provided for detecting the chain length and/or the chain pitch and/or the chain tension of the transport chains, means being provided for stretching and/or relaxing at least one individual transport chain, and control means being provided for adapting different lengths or chain pitches of two transport chains by stretching and/or relaxing at least one transport chain in a controlled manner.
    Type: Grant
    Filed: September 4, 2009
    Date of Patent: March 24, 2015
    Assignee: Multivac SEPP Haggenmuller GmbH & Co. KG
    Inventors: Elmar Ehrmann, Ivo Ruzic