Patents by Inventor Zenji Kawasaki

Zenji Kawasaki 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).

  • Welding wire charge
    Patent number: 6386364
    Abstract: This invention offers welding wire packages without twining and tangling even if welding wire is drawn out from pail containers at high speed, and also without bending of the wire. Namely, in a welding wire package in which welding wire with torsion around an axis of the welding wire is coiled, a wire pressing member is disposed on top of the coiled wire, wherein the wire pressing member comprises a wire pressing part for pressing the coiled welding wire, and a wire guiding part having a hole of not more than 180 mm in diameter in a center of the wire pressing member for passage of the welding wire.
    Type: Grant
    Filed: September 8, 1999
    Date of Patent: May 14, 2002
    Assignee: Nippon Steel Welding Products & Engineering Co., Ltd.
    Inventors: Zenji Kawasaki, Tadami Ashidate, Yasuhiko Hashida, Kenji Ryoke, Hiroshi Yoshida