Patents Assigned to Fujika Co., Ltd.
  • Patent number: 5109773
    Abstract: A push-type cracker wherein frictional ignition is effected between a trigger string and a powder explosive by depressing the trigger string from a direction perpendicular to the longitudinal direction of the string, the powder explosive being thereby accurately exploded.
    Type: Grant
    Filed: October 31, 1990
    Date of Patent: May 5, 1992
    Assignees: Fujika Co., Ltd., Kaneko Fire Works Co. Ltd.
    Inventor: Nobusato Kaneko