Patents Assigned to Poly Patent Aktiengesellschaft
  • Tools for driving nails and the like
    Patent number: 4078710
    Abstract: The invention relates to a nail driving tool, acting by means of an explosive charge, which, besides the normal component parts, comprises an explosion chamber of particular shape and volume, whereby a blow applied to the rear end of the tool causes the explosive charge, compressed by the rear end of the nail driving piston in the explosion chamber, to reduce the volume of the latter according to a predetermined ratio, which reduction, in turn, originates the ignition of the explosive charge.
    Type: Grant
    Filed: November 18, 1975
    Date of Patent: March 14, 1978
    Assignee: Poly Patent Aktiengesellschaft
    Inventor: Giovanni Galluzzi