Patents by Inventor Franz Wilfing

Franz Wilfing 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: 8092206
    Abstract: The invention relates to an injection unit (1) of an injection molding machine which is arranged movable relatively to a machine base (2) of the injection molding machine in an axial direction (A), wherein the injection unit (1) comprises a base body (3) at which a screw cylinder (4) is arranged, wherein a screw (5) is arranged rotatable and axially movable in the screw cylinder (4), wherein the screw (5) is connected with a drive element (6) at one of its axial ends which can rotate the screw and can also move it in axial direction (A) and wherein the drive element (6) comprises a gear element (7) which is movable in axial direction (A) as well as an actuator (8) which is in engagement with the gear element (7) and with the base body (3) and which can perform a translational movement in axial direction (A).
    Type: Grant
    Filed: April 7, 2010
    Date of Patent: January 10, 2012
    Assignee: Wittmann Battenfeld GmbH
    Inventors: Klaus Brunbauer, Franz Wilfing, Andreas Lechner, Bernhard Zoehling
  • Publication number: 20100255136
    Abstract: The invention relates to an injection unit (1) of an injection molding machine which is arranged movable relatively to a machine base (2) of the injection molding machine in an axial direction (A), wherein the injection unit (1) comprises a base body (3) at which a screw cylinder (4) is arranged, wherein a screw (5) is arranged rotatable and axially movable in the screw cylinder (4), wherein the screw (5) is connected with a drive element (6) at one of its axial ends which can rotate the screw and can also move it in axial direction (A) and wherein the drive element (6) comprises a gear element (7) which is movable in axial direction (A) as well as an actuator (8) which is in engagement with the gear element (7) and with the base body (3) and which can perform a translational movement in axial direction (A).
    Type: Application
    Filed: April 7, 2010
    Publication date: October 7, 2010
    Applicant: WITTMANN BATTENFELD GMBH
    Inventors: Klaus BRUNBAUER, Franz WILFING, Andreas LECHNER, Bernhard ZOEHLING