Patents by Inventor Tetsuya Sawata

Tetsuya Sawata 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: 4798110
    Abstract: A method for positioning tools comprises a first process for moving all tools into a stand-by reach and a second process for moving tools into a positioning reach, and the second process comprises steps of moving a tool onto an origin and moving the tool from the origin by a distance equal to a desired distance between the tool and a following tool. An apparatus for positioning tools is provided with a single signal generator rotated by a rotating shaft for moving shifters, by which the tools are moved in the positioning and stand-by reaches.
    Type: Grant
    Filed: November 4, 1981
    Date of Patent: January 17, 1989
    Assignee: Rengo Co., Ltd.
    Inventors: Masateru Tokuno, Tetsuya Sawata, Yasuharu Mori
  • Patent number: 4548109
    Abstract: A method for positioning tools comprises a first process for moving all tools into a stand-by reach and a second process for moving tools into a positioning reach, and the second process comprises steps of moving a tool onto an origin and moving the tool from the origin by a distance equal to a desired distance between the tool and a following tool. An apparatus for positioning tools is provided with a single signal generator rotated by a rotating shaft for moving shifters, by which the tools are moved in the positioning and stand-by reaches.
    Type: Grant
    Filed: June 22, 1983
    Date of Patent: October 22, 1985
    Assignee: Rengo Co., Ltd.
    Inventors: Masateru Tokuno, Tetsuya Sawata, Yasuharu Mori
  • Patent number: 4508279
    Abstract: A surface winder for a web of sheet material which performs transfer of winding operation from a winding device to another winding device without stopping of the operation or slowing down of the speed of operation. The surface winder comprises plural winding devices, web guide means, a cutting device, web feeding means and means for forming an adhesive layer on the surface of a web. The web guide means are capable of delivering a leading end portion of the web at the winding devices, and the feeding means are capable of feeding the web to the guide means by way of the cutting device.
    Type: Grant
    Filed: February 24, 1983
    Date of Patent: April 2, 1985
    Assignee: Rengo Co., Ltd.
    Inventors: Masateru Tokuno, Tetsuya Sawata