Patents by Inventor Akio Kataoka

Akio Kataoka 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: 7891599
    Abstract: To secure the end part of a metallic filament taken up onto a reel, the take-up reel for metallic filament has a recessed portion (3) provided in the inside surface of a flange (2), the recessed portion (3) extending in the radial direction to the flange outer edge (2a); and a connecting portion (4) that straddles the recessed portion (3). A tabular end retaining member (5) having elasticity is fitted into the recessed portion 3. The base end portion (5b) of the end retaining member (5) is passed under the connecting portion (4) and butted up against the end surface (3a) of the recessed portion (3) on the winding drum side, and a space (A) is provided between the tip end portion (5a) of the end retaining member (5) and the flange outer edge (2a) to allow the end part of the metallic filament (W) to be caught therein. The end retaining member (5) is anchored to the connecting portion (4) through spot welding, using a welding portion (6) set in the vicinity of the base end portion.
    Type: Grant
    Filed: July 12, 2006
    Date of Patent: February 22, 2011
    Assignee: Tokusen Kogyo Co., Ltd.
    Inventors: Kazuhiro Kishimoto, Akio Kataoka
  • Publication number: 20090121070
    Abstract: To secure the end part of a metallic filament taken up onto a reel, the take-up reel for metallic filament has a recessed portion (3) provided in the inside surface of a flange (2), the recessed portion (3) extending in the radial direction to the flange outer edge (2a); and a connecting portion (4) that straddles the recessed portion (3). A tabular end retaining member (5) having elasticity is fitted into the recessed portion 3. The base end portion (5b) of the end retaining member (5) is passed under the connecting portion (4) and butted up against the end surface (3a) of the recessed portion (3) on the winding drum side, and a space (A) is provided between the tip end portion (5a) of the end retaining member (5) and the flange outer edge (2a) to allow the end part of the metallic filament (W) to be caught therein. The end retaining member (5) is anchored to the connecting portion (4) through spot welding, using a welding portion (6) set in the vicinity of the base end portion.
    Type: Application
    Filed: July 12, 2006
    Publication date: May 14, 2009
    Inventors: Kazuhiro Kishimoto, Akio Kataoka
  • Patent number: 5931408
    Abstract: A base (17a) of a flat end engaging member (17) which protrudes from a hole (19) is fixed on an outside surface of a flange (15) installed at each end of a winding drum (14) in such a manner that the end engaging member (17) is fitted in a groove (16) provided at least at one point of an inside surface of the flange (15). A guide portion (18) is continuously provided on an upper side of the groove (16). The guide portion (18) is an inclined surface extending obliquely upward from each corner of the groove (16) to an outer peripheral edge of the flange (15). An engaging fragment (17b) which is bent toward a guide portion (18) side is provided in a tip portion of the end engaging member (17). Furthermore, the guide portion (18) and the engaging fragment 17b are provided with engaging portions (20) and (21) comprising recesses which are concaved in the same direction, respectively.
    Type: Grant
    Filed: September 25, 1997
    Date of Patent: August 3, 1999
    Assignee: Tokusen Kogyo Co., Ltd.
    Inventors: Isao Ishii, Kenji Sanda, Akio Kataoka