Patents by Inventor Toshiaki Takechi

Toshiaki Takechi 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).

  • Assembling method of mandrel used for manufacturing composite material structure and assembling apparatus of mandrel
    Patent number: 9434483
    Abstract: A technique which can assemble a mandrel having a substantially cylindrical shape and being dividable into plurality of segments, which is used for manufacturing, for example, a fuselage of an aircraft, with high position accuracy and an easy manner. In a segment fastening step, a segment which is a fastened target is fastened to a specified fastening portion which is one of a plurality of fastening portions set along a pair of support rings placed to face each other. In a rotation step, before the segment fastening step, the support rings are rotated so that the specified fastening portion is located at an uppermost portion of the support rings. In the segment fastening step, the segment which is the fastened target is placed between the support rings and lifted vertically up to a height corresponding to the specified fastening portion and then fastened to the support rings.
    Type: Grant
    Filed: May 5, 2015
    Date of Patent: September 6, 2016
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Toshikazu Sana, Naoki Tamura, Tomoya Takahashi, Toshiaki Takechi
  • ASSEMBLING METHOD OF MANDREL USED FOR MANUFACTURING COMPOSITE MATERIAL STRUCTURE AND ASSEMBLING APPARATUS OF MANDREL
    Publication number: 20150274326
    Abstract: A technique which can assemble a mandrel having a substantially cylindrical shape and being dividable into plurality of segments, which is used for manufacturing, for example, a fuselage of an aircraft, with high position accuracy and an easy manner. In a segment fastening step, a segment which is a fastened target is fastened to a specified fastening portion which is one of a plurality of fastening portions set along a pair of support rings placed to face each other. In a rotation step, before the segment fastening step, the support rings are rotated so that the specified fastening portion is located at an uppermost portion of the support rings. In the segment fastening step, the segment which is the fastened target is placed between the support rings and lifted vertically up to a height corresponding to the specified fastening portion and then fastened to the support rings.
    Type: Application
    Filed: May 5, 2015
    Publication date: October 1, 2015
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Toshikazu SANA, Naoki TAMURA, Tomoya TAKAHASHI, Toshiaki TAKECHI
  • Assembling method of mandrel used for manufacturing composite material structure and assembling apparatus of mandrel
    Patent number: 9079654
    Abstract: A technique which can assemble a mandrel having a substantially cylindrical shape and being dividable into plurality of segments, which is used for manufacturing, for example, a fuselage of an aircraft, with high position accuracy and an easy manner. In a segment fastening step, a segment which is a fastened target is fastened to a specified fastening portion which is one of a plurality of fastening portions set along a pair of support rings placed to face each other. In a rotation step, before the segment fastening step, the support rings are rotated so that the specified fastening portion is located at an uppermost portion of the support rings. In the segment fastening step, the segment which is the fastened target is placed between the support rings and lifted vertically up to a height corresponding to the specified fastening portion and then fastened to the support rings.
    Type: Grant
    Filed: December 21, 2010
    Date of Patent: July 14, 2015
    Assignee: Kawasaki Jukogyo Kabushiki Kaisha
    Inventors: Toshikazu Sana, Naoki Tamura, Tomoya Takahashi, Toshiaki Takechi
  • ASSEMBLING METHOD OF MANDREL USED FOR MANUFACTURING COMPOSITE MATERIAL STRUCTURE AND ASSEMBLING APPARATUS OF MANDREL
    Publication number: 20130117983
    Abstract: A technique which can assemble a mandrel having a substantially cylindrical shape and being dividable into plurality of segments, which is used for manufacturing, for example, a fuselage of an aircraft, with high position accuracy and an easy manner. In a segment fastening step, a segment which is a fastened target is fastened to a specified fastening portion which is one of a plurality of fastening portions set along a pair of support rings placed to face each other. In a rotation step, before the segment fastening step, the support rings are rotated so that the specified fastening portion is located at an uppermost portion of the support rings. In the segment fastening step, the segment which is the fastened target is placed between the support rings and lifted vertically up to a height corresponding to the specified fastening portion and then fastened to the support rings.
    Type: Application
    Filed: December 21, 2010
    Publication date: May 16, 2013
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Toshikazu Sana, Naoki Tamura, Tomoya Takahashi, Toshiaki Takechi