Patents by Inventor Martin KRÖTZ

Martin KRÖTZ 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).

  • Mould closing unit with heat management
    Patent number: 10933570
    Abstract: A mould closing unit (100) for an injection-moulding machine has an electromechanical closing mechanism (M) for opening and closing an injection mould, said electromechanical closing mechanism (M) being actuated by means of at least one spindle unit (10) having at least one spindle (12) and at least one spindle nut (14). Cooling by way of cooling ducts (32) for heat dissipation from the spindle unit (10) is provided. Since the spindle (12) has, in the core, at least one bore (24) in which a cooling and/or lubricating medium is passed into the region of the contact points between the spindle nut (14) and the spindle (12) via at least one lance (20), efficient cooling of the spindle unit is achieved.
    Type: Grant
    Filed: October 13, 2017
    Date of Patent: March 2, 2021
    Assignee: ARBURG GMBH & CO. KG
    Inventors: Rainer Bletscher, Martin Krötz
  • MOULD CLOSING UNIT WITH HEAT MANAGEMENT
    Publication number: 20200039134
    Abstract: A mould closing unit (100) for an injection-moulding machine has an electromechanical closing mechanism (M) for opening and closing an injection mould, said electromechanical closing mechanism (M) being actuated by means of at least one spindle unit (10) having at least one spindle (12) and at least one spindle nut (14). Cooling by way of cooling ducts (32) for heat dissipation from the spindle unit (10) is provided. Since the spindle (12) has, in the core, at least one bore (24) in which a cooling and/or lubricating medium is passed into the region of the contact points between the spindle nut (14) and the spindle (12) via at least one lance (20), efficient cooling of the spindle unit is achieved.
    Type: Application
    Filed: October 13, 2017
    Publication date: February 6, 2020
    Inventors: Rainer BLETSCHER, Martin KRÖTZ