Punch Out Type Gate Severing Means Patents (Class 164/265)
  • Patent number: 11964323
    Abstract: A three-plate pressure die casting mold for producing at least one metallic die casting part by die casting a metal melt, includes first, second and third mold parts and at least one mold cavity as well as a sprue system. In the third mold part there is at least one spring-loaded pressure element which, when opening the die casting mold, presses the sprue produced in the sprue system against the first mold part, whereby the sprue is retained and tears off from the die casting part in a defined manner. A method for pressure die casting using the three-plate pressure die casting mold is disclosed.
    Type: Grant
    Filed: August 23, 2021
    Date of Patent: April 23, 2024
    Assignee: Bayerische Motoren Werke Aktiengesellschaft
    Inventors: Olaf Hentschel, Andre Schaefer, Manfred Tremmel
  • Patent number: 9409231
    Abstract: A method including positioning an insert in a vertical mold including a first mold portion and a second mold portion; and casting a material including a metal around at least a portion of the insert.
    Type: Grant
    Filed: May 15, 2014
    Date of Patent: August 9, 2016
    Assignee: GM Global Technology Operations LLC
    Inventors: Michael D. Hanna, Mohan Sundar, Andrew Schertzer
  • Patent number: 4915156
    Abstract: A gate breaker, for the finishing of cast iron, consisting of a hydraulic cylinder which is operatively connected to a processing unit, preferably a wedge, at one end at least. The hydraulic cylinder is suspended from a circular clamp (29) with an internal semicircular track for two or more rollers (27) connected to the hydraulic cylinder. Between the hydraulic cylinder of the tool unit and the rollers (27) there is a pivot which permits pivotal movement of the gate breaker about a transverse axis of the unit.
    Type: Grant
    Filed: September 21, 1988
    Date of Patent: April 10, 1990
    Inventor: August Sandstad
  • Patent number: 4592407
    Abstract: A full automatic die casting machine including a fixed die, a movable die, a melting furnace and an injection cylinder. At least either one of the fixed die and the movable die is provided with a first recess for forming an article and second recess for forming an engageable portion on the article. The die casting machine further includes an article supporting device, a coating device for coating die lubricant on the first recess and the second recess, a finishing device, a packing device and a recycling device.
    Type: Grant
    Filed: October 1, 1985
    Date of Patent: June 3, 1986
    Assignee: Kabushiki Kaisha Tokai Rika Denki Seisakusho
    Inventors: Terumoto Yamaguchi, Tuneo Terashima