Patents Assigned to Altstadter Verpackungs-Vertriebs GmbH
  • Patent number: 4074961
    Abstract: A container for storing liquids is injection molded of thermoplastic material in apparatus which includes a plurality of central die members intermittently movable in succession along a given direction and a pair of side die members flanking said central die members and movable into and out of operative engagement therewith. The container is injection molded within a die cavity formed between the central die members and the side die members with two sheets of a base material being fed from opposite sides of said central die members into said die cavity to form a base member for said container. The container base member formed from said sheets of base material is engaged about the central die members and when the side die members are brought into operative engagement with the central die members thermoplastic material is injected into the die cavity formed therebetween and the container is produced by injection molding the thermoplastic material integrally with the base member within the die cavity.
    Type: Grant
    Filed: April 9, 1976
    Date of Patent: February 21, 1978
    Assignee: Altstadter Verpackungs-Vertriebs GmbH
    Inventor: Wilhelm Reil
  • Patent number: 4034537
    Abstract: A method of and apparatus for continuously making liquid filled packages wherein a tube is formed from a web, and, having been filled with liquid, is passed round a first turntable to be pre-shaped into packages and to shape first side walls of the packages. The tube is transversely sealed an cut on the first turntable and then passed round a second turntable to shape second, opposite, side walls of the packages.
    Type: Grant
    Filed: September 24, 1975
    Date of Patent: July 12, 1977
    Assignee: Altstadter Verpackungs-Vertriebs GmbH
    Inventors: Wilhelm Reil, Jorg Trabitzsch
  • Patent number: 3980515
    Abstract: Apparatus for sealing together portions of material having a sealable plastics coating includes opposed jaws each carrying a guide rail with a slot to receive marginal edges of the material and to spread these edges apart. Hot air is blown onto the spread apart edges to soften the plastics material. The edges are then urged together to form a seam which is accurately defined by the jaws.
    Type: Grant
    Filed: January 23, 1975
    Date of Patent: September 14, 1976
    Assignee: Altstadter Verpackungs-Vertriebs GmbH
    Inventors: Wilhelm Reil, Jorg Trabitzsch