Patent ID: 6256854
Filing Date: 2001-07-10
Classification: B21J,B23P,Y10T

Abstract:
A rivet setting tool, comprising:a pulling head including a hydraulic piston disposed within a housing;a jaw case connected to said hydraulic piston such that said jaw case is driven by said pulling head to engage a rivet mandrel, whereby continued travel of said hydraulic piston supplies force to effectively set a rivet;a remote intensifier including an air piston disposed in a piston chamber and a hydraulic ram connected to said air piston and extending into a ram housing which is connected to a hydraulic passage in communication with said pulling head, said air piston having a larger cross-sectional area than said hydraulic ram;a first supply of pressurized gas communicating with a first end of said piston chamber; anda second supply of pressurized gas communicating with a second end of said piston chamber and wherein said piston chamber includes a chamber sleeve and said second end of said piston chamber is vented around said chamber sleeve to atmosphere.