Patents Assigned to Nippon Riraiansu Kabushiki Kaisha (Japan Reliance Electric Ltd.)
  • Method of controlling web cutting
    Patent number: 4104723
    Abstract: A method for controlling the speed of a rotary cutter to cut a continuously ed web accurately into predetermined lengths. A desired cutting length and the circumference of the rotary cutter are preset. The web speed as detected is multiplied by a coefficient equal to the cutter circumference divided by the cutting length. The resultant signal is compared with the cutter speed as detected, and, if there is any difference, the cutter speed is corrected for accurate cutting.
    Type: Grant
    Filed: February 17, 1977
    Date of Patent: August 1, 1978
    Assignees: Rengo Kabushiki Kaisha (Rengo Co., Ltd), Nippon Riraiansu Kabushiki Kaisha (Japan Reliance Electric Ltd.)
    Inventors: Masateru Tokuno, Hisahiro Tanigawa, Masayoshi Kaneko, Noboru Shinmura