Patents by Inventor Fumiaki Matsubara

Fumiaki Matsubara 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).

  • Tiebar reverse extraction clamp
    Patent number: 8137093
    Abstract: A clamp includes (a) a first engager that engages with engagement parts formed at ends of the tiebars at the moving platen side after moving the moving platen in the fixed platen direction to close a die or mold, in the tiebar insertion holes of the moving platen, (b) a second engager that engages with engagement parts formed at ends of the tiebars at the fixed platen sides detachably at ends of clamping pistons using a detachable engager, (c) a pushing device that cooperates with the tiebars and pushes the moving platen after die or mold closing against the fixed platen in the tiebar insertion holes of the fixed platen, and (d) a tiebar inserting and extracting device coupled with ends of the tiebars at the fixed platen sides at a side of the fixed platen opposite to the die or mold mounting surface.
    Type: Grant
    Filed: June 7, 2007
    Date of Patent: March 20, 2012
    Assignees: Ube Machinery Corporation, Ltd., Ahresty Corporation
    Inventors: Hiroaki Furuya, Junji Manabe, Fumiaki Matsubara, Shinji Sannakanishi
  • Tiebar Reverse Extraction Clamp
    Publication number: 20090202670
    Abstract: A clamp includes (a) a first engager that engages with engagement parts formed at ends of the tiebars at the moving platen side after moving the moving platen in the fixed platen direction to close a die or mold, in the tiebar insertion holes of the moving platen, (b) a second engager that engages with engagement parts formed at ends of the tiebars at the fixed platen sides detachably at ends of clamping pistons using a detachable engager, (c) a pushing device that cooperates with the tiebars and pushes the moving platen after die or mold closing against the fixed platen in the tiebar insertion holes of the fixed platen, and (d) a tiebar inserting and extracting device coupled with ends of the tiebars at the fixed platen sides at a side of the fixed platen opposite to the die or mold mounting surface.
    Type: Application
    Filed: June 7, 2007
    Publication date: August 13, 2009
    Applicants: UBE MACHINERY CORPORATION, LTD., AHRESTY CORPORATION
    Inventors: Hiroaki Furuya, Junji Manabe, Fumiaki Matsubara, Shinji Sannakanishi