Patents by Inventor Chatchai Wanintradul

Chatchai Wanintradul 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).

  • Hemming a flange with compression to form a sharp edge
    Patent number: 9327331
    Abstract: A tool and method of hemming a panel wherein the tool engages a flange to apply a compressive force with a stop initially preventing a distal end of the flange from moving inwardly. The hemming tool bends the intermediate portion of the flange between the flange bend and the distal end toward the panel. The stop is withdrawn to allow the flange to be progressively formed toward the panel until the distal end is aligned with the intermediate portion.
    Type: Grant
    Filed: October 31, 2014
    Date of Patent: May 3, 2016
    Assignee: Ford Global Technologies, LLC
    Inventors: Sergey Fedorovich Golovashchenko, Alan John Gillard, Chatchai Wanintradul
  • Method of Hemming Sheet Metal Panels with Friction Element Applying a Counteraction Force to Prevent Hem Creep
    Publication number: 20150047178
    Abstract: A hemming tool for forming a hem securing an outer panel to an inner panel. The hemming tool includes a hemming die that has a first portion of a forming surface with a first coefficient of friction and a second portion that has a second coefficient of friction that is greater than the first portion. A flange on the outer panel is initially engaged by the first surface to begin forming the hem flange toward the inner panel. The flange is engaged by the second hemming surface to continue forming the flange toward the inner panel. A method of hemming a sheet metal assembly including an inner and an outer panel is also disclosed that utilizes the hemming die that has a forming surface with a second coefficient of friction that is greater than the first portion to reduce flange creep and roll-in during a hemming operation.
    Type: Application
    Filed: August 14, 2013
    Publication date: February 19, 2015
    Applicant: Ford Global Technologies, LLC
    Inventors: Chatchai Wanintradul, Sergey Fedorovich Golovashchenko, Alan John Gillard
  • Hemming a Flange with Compression to Form a Sharp Edge
    Publication number: 20150047409
    Abstract: A tool and method of hemming a panel wherein the tool engages a flange to apply a compressive force with a stop initially preventing a distal end of the flange from moving inwardly. The hemming tool bends the intermediate portion of the flange between the flange bend and the distal end toward the panel. The stop is withdrawn to allow the flange to be progressively formed toward the panel until the distal end is aligned with the intermediate portion.
    Type: Application
    Filed: October 31, 2014
    Publication date: February 19, 2015
    Inventors: Sergey Fedorovich Golovashchenko, Alan John Gillard, Chatchai Wanintradul
  • Hemming a flange with compression to form a sharp edge
    Patent number: 8875554
    Abstract: A tool and method of hemming a panel wherein the tool engages a flange to apply a compressive force with a stop initially preventing a distal end of the flange from moving inwardly. The hemming tool bends the intermediate portion of the flange between the flange bend and the distal end toward the panel. The stop is withdrawn to allow the flange to be progressively formed toward the panel until the distal end is aligned with the intermediate portion.
    Type: Grant
    Filed: October 19, 2011
    Date of Patent: November 4, 2014
    Assignee: Ford Global Technologies, LLC
    Inventors: Sergey Fedorovich Golovashchenko, Alan John Gillard, Chatchai Wanintradul
  • Hemming a Flange With Compression to Form a Sharp Edge
    Publication number: 20130098135
    Abstract: A tool and method of hemming a panel wherein the tool engages a flange to apply a compressive force with a stop initially preventing a distal end of the flange from moving inwardly. The hemming tool bends the intermediate portion of the flange between the flange bend and the distal end toward the panel. The stop is withdrawn to allow the flange to be progressively formed toward the panel until the distal end is aligned with the intermediate portion.
    Type: Application
    Filed: October 19, 2011
    Publication date: April 25, 2013
    Applicant: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: Sergey Fedorovich Golovashchenko, Alan John Gillard, Chatchai Wanintradul