Patents by Inventor Cheonhee Kim

Cheonhee Kim 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).

  • Head face slide core of die casting mold for cylinder block
    Patent number: 7604038
    Abstract: A head face slide core of a die casting mold for a cylinder block includes: a first core die with a water jacket forming portion for forming a water jacket, a head bolt forming portion for forming a head bolt, and a bore pin for forming a cylinder bore provided on a front surface of the first core die; a second core die coupled to a rear surface of the first core die; a cylinder having a piston; a core holder coupled to a rear surface of the second core die and connected to the piston; and a bore pin return plate between the first and second core dies and connected to the bore pin.
    Type: Grant
    Filed: December 19, 2006
    Date of Patent: October 20, 2009
    Assignee: Hyundai Motor Company
    Inventor: Cheonhee Kim
  • Head face slide core of die casting mold for cylinder block
    Publication number: 20080115908
    Abstract: A head face slide core of a die casting mold for a cylinder block includes: a first core die with a water jacket forming portion for forming a water jacket, a head bolt forming portion for forming a head bolt, and a bore pin for forming a cylinder bore provided on a front surface of the first core die; a second core die coupled to a rear surface of the first core die; a cylinder having a piston; a core holder coupled to a rear surface of the second core die and connected to the piston; and a bore pin return plate between the first and second core dies and connected to the bore pin.
    Type: Application
    Filed: December 19, 2006
    Publication date: May 22, 2008
    Inventor: Cheonhee Kim