Patents by Inventor Kazunori OOOKA,

Kazunori OOOKA, 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: 11400505
    Abstract: A press tooling includes a distance member pivotably supported by a holder; and a moving device provided on a first die unit. The holder is provided in a movable manner with respect to a punch in a press direction, and a pad is provided in a movable manner with respect to a die in the press direction. The distance member is pivotable between a home position in which the distance member does not come into contact with the second die and a preventive position in which the distance between the pad and the holder in the press direction is prevented from being equal to or less than a predetermined distance. As the holder moves relative to the punch in the first direction, the moving device causes the distance member to pivot from the home position toward the preventive position.
    Type: Grant
    Filed: December 6, 2018
    Date of Patent: August 2, 2022
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Kazunori Oooka, Toshimitsu Aso, Hiroshi Yoshida, Daisuke Yasufuku, Yasuharu Tanaka, Takashi Miyagi, Junichiro Suzuki, Shinobu Yamamoto
  • Patent number: 11351591
    Abstract: A hold device is attached to press tooling. The hold device includes a distance member attached to a holder, and a moving device attached to a first die unit. The holder is provided in a movable manner with respect to a punch in a press direction, and a pad is provided in a movable manner with respect to a die in the press direction. The distance member is pivotable between a home position in which the distance member does not come into contact with the second die and a preventive position in which the distance between the pad and the holder in the press direction is prevented from being equal to or less than a predetermined distance. As the holder moves relative to the punch in the first direction, the moving device causes the distance member to pivot from the home position toward the preventive position.
    Type: Grant
    Filed: December 6, 2018
    Date of Patent: June 7, 2022
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Kazunori Oooka, Toshimitsu Aso, Hiroshi Yoshida, Daisuke Yasufuku, Yasuharu Tanaka, Takashi Miyagi, Junichiro Suzuki, Shinobu Yamamoto
  • Publication number: 20210178446
    Abstract: A press tooling includes a distance member pivotably supported by a holder; and a moving device provided on a first die unit. The holder is provided in a movable manner with respect to a punch in a press direction, and a pad is provided in a movable manner with respect to a die in the press direction. The distance member is pivotable between a home position in which the distance member does not come into contact with the second die and a preventive position in which the distance between the pad and the holder in the press direction is prevented from being equal to or less than a predetermined distance. As the holder moves relative to the punch in the first direction, the moving device causes the distance member to pivot from the home position toward the preventive position.
    Type: Application
    Filed: December 6, 2018
    Publication date: June 17, 2021
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Kazunori OOOKA, Toshimitsu ASO, Hiroshi YOSHIDA, Daisuke YASUFUKU, Yasuharu TANAKA, Takashi MIYAGI, Junichiro SUZUKI, Shinobu YAMAMOTO
  • Publication number: 20200290105
    Abstract: A hold device is attached to press tooling. The hold device includes a distance member attached to a holder, and a moving device attached to a first die unit. The holder is provided in a movable manner with respect to a punch in a press direction, and a pad is provided in a movable manner with respect to a die in the press direction. The distance member is pivotable between a home position in which the distance member does not come into contact with the second die and a preventive position in which the distance between the pad and the holder in the press direction is prevented from being equal to or less than a predetermined distance. As the holder moves relative to the punch in the first direction, the moving device causes the distance member to pivot from the home position toward the preventive position.
    Type: Application
    Filed: December 6, 2018
    Publication date: September 17, 2020
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Kazunori OOOKA, Toshimitsu ASO, Hiroshi YOSHIDA, Daisuke YASUFUKU, Yasuharu TANAKA, Takashi MIYAGI, Junichiro SUZUKI, Shinobu YAMAMOTO
  • Patent number: 9718499
    Abstract: The top plate section of the metal stock is pressed and clamped against a punch by a pad, a portion that will be at the outside of the L shaped curve is pressed and camped against a die by a blank holder, a bender is moved, and a vertical wall portion at the inside of the L shaped curved of the metal stock sheet and the flange portion joined to the vertical wall at the inside of the L shaped curve are molded. The metal stock sheet is moved in the direction toward the blank holder while the metal stock sheet being pressed and clamped, and a vertical wall portion at the outside of the L shaped curve of the L shaped hat shaped cross-section and the flange portion joined to the vertical wall at the outside of the L shaped curve are molded.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: August 1, 2017
    Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Yasuharu Tanaka, Toshimitsu Aso, Takashi Miyagi, Misao Ogawa, Kazuyuki Kawano, Kazunori Oooka, Shinobu Yamamoto
  • Publication number: 20150336619
    Abstract: The top plate section of the metal stock is pressed and clamped against a punch by a pad, a portion that will be at the outside of the L shaped curve is pressed and camped against a die by a blank holder, a bender is moved, and a vertical wall portion at the inside of the L shaped curved of the metal stock sheet and the flange portion joined to the vertical wall at the inside of the L shaped curve are molded. The metal stock sheet is moved in the direction toward the blank holder while the metal stock sheet being pressed and clamped, and a vertical wall portion at the outside of the L shaped curve of the L shaped hat shaped cross-section and the flange portion joined to the vertical wall at the outside of the L shaped curve are molded.
    Type: Application
    Filed: December 20, 2013
    Publication date: November 26, 2015
    Applicant: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Yasuharu TANAKA, Toshimitsu ASO, Takashi MIYAGI, Misao OGAWA, Kazuyuki KAWANO, Kazunori OOOKA,, Shinobu YAMAMOTO