Patents by Inventor Udo Liebram

Udo Liebram has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5158786
    Abstract: An apparatus for deep drawing a bowl from a blank of deep-drawable plastic material is provided comprising deep drawing tools, and cooperating jaws including an outside heating jaw and a forward feed heating jaw. The deep drawing tools and cooperating jaws are movable relative to each other to advance a blank of deep-drawable material for preheating, forming, and deep drawing a bowl open at one end therefrom. The outside heating jaw includes at least one outside suction plate to retain the blank, and intermittently moves in a first direction into and out of cooperating relationship with the forward feed heating jaw. The deep drawing tool also intermittently moves parallel to the first direction into and out of cooperating relationship with the forward feed heating jaw. The forward feed heating jaw includes a plurality of main suction plates secured to a heatable carrier to retain and heat the blank as it advances thereon.
    Type: Grant
    Filed: February 25, 1991
    Date of Patent: October 27, 1992
    Assignee: Tetra Pak Holdings & Finance S.A.
    Inventors: Wilhelm Reil, Ulrich Deutschbein, Gerd Knobloch, Udo Liebram
  • Patent number: 5158209
    Abstract: Described is a package for flowable media and having tube-like side walls (1, 1'), bottom and top walls (6, 6') and a closable pourer (7); all parts of the pacakage consists of synthetic plastics material. For more competitively priced production, ease of stacking and a reliable sealing-tight and yet easily opened closure, according to the invention two tub-shaped parts (I, II), each forming an entire side wall (3'), two oppositely disposed and adjacent half side wall parts (1'), a half bottom part and a half upper wall part (6') with a half pourer device (7 to 9), are in each case sealed and connected to each other individually by a synthetic plastics film which rests on and projects outwardly beyond the rim (13) in the form of a web (15), and in that the cylindrical edge (8) of the pourer device (7) extends beyond the web (15) of the synthetic plastics film (14) onto both tub-shaped parts (I, II) and in that the thickness of the synthetic plastics film is 0.01 to 0.5 times and preferably substantially 0.
    Type: Grant
    Filed: November 16, 1990
    Date of Patent: October 27, 1992
    Assignee: Tetra Pak Holdings & Finance S.A.
    Inventors: Wilhelm Reil, Ulrich Deutschbein, Gerd Knobloch, Udo Liebram
  • Patent number: 5142843
    Abstract: A method of manufacturing a package (1) which is filled with a flowable medium and which comprises a tube (3), a bottom and a top wall (2) of shapeable synthetic plastics material in which the package (1) formed by shaping and the action of heat is filled, sealed and carried away is described.
    Type: Grant
    Filed: December 18, 1990
    Date of Patent: September 1, 1992
    Assignee: Tetra Pak Holdings S.A.
    Inventors: Wilhelm Reil, Ulrich Deutschbein, Gerd Knobloch, Udo Liebram
  • Patent number: 5114068
    Abstract: An apparatus for the separable attachment of a lid (1') to a bottom part is described, both parts being connected to each other by a first welded seam (3), a first tear line (5) being provided which extends parallel with the first welded seam (3).In order no longer to have to tear the lid upwards or even bend it and in order to be able to provide such a tearing-open device for a package, it is according to the invention proposed that at a distance (a) from the first tear line (5) and at least along a first portion (5) thereof, a second tear line (4) be so disposed to extend in the lid (1') that a tear-off strip (6) can be formed between the two tear lines (4, 5).
    Type: Grant
    Filed: October 9, 1990
    Date of Patent: May 19, 1992
    Assignee: Tetra Pak Holdings & Finance S.A.
    Inventors: Wilhelm Reil, Ulrich Deutschbein, Gerd Knobloch, Udo Liebram
  • Patent number: 5103988
    Abstract: Described is a liquid pack comprising a tube (1) with a bottom and a top (7) disposed at the ends thereof, wherein the top (7) comprises thermoplastic material, is injection-moulded on the tube (1) and has a pouring means (8). The bottom is quadrangular and in the form of a folded closure formed from the folded-over tube (1) of the pack. A handle (11) which is connected to the top (7) is disposed in such a way that the handle (11, 17) together with the top (7) is arranged within the parallelepipedic outside contour of the pack.
    Type: Grant
    Filed: February 19, 1991
    Date of Patent: April 14, 1992
    Assignee: Tetra Pak Holdings & Finance S.A.
    Inventors: Wihelm Reil, Ulrich Deutschbein, Gerd Knobloch, Udo Liebram, Bengt Eckerwall
  • Patent number: 5069021
    Abstract: The invention describes an apparatus for producing a fluids package, with a synthetic plastics coated paper tube, of which one end is closed by an injected synthetic plastics lid while its other end is closed by holding and welding the tube material, with a device (8) for forming a tube from a web (2), at least one intermittently rotatable mandrel wheel (27), an injection station (29), an endless conveyor (31) for the packages (34) during the course of their production, a filling station (63), a closing station (62) and with a removal conveyor (39).
    Type: Grant
    Filed: July 30, 1990
    Date of Patent: December 3, 1991
    Assignee: Tetra Pak Holding & Finance S.A.
    Inventors: Wilhelm Reil, Ulrich Deutschbein, Udo Liebram