Patent ID: 6334768
Filing Date: 2002-01-01
Classification: B29C

Abstract:
A blow clamp for a blow molding apparatus having first and second platens movable between a closed position and an open position, said blow clamp comprising:at least two clamping piston nuts housed in said first platen; respective tie bars secured to said second platen for registering with said clamping piston nuts; said tie bars being movable between an engaging configuration in which each said tie bar is secured against axial movement relative to said clamping piston nuts and a disengaging configuration in which said tie bars are freely axially movable relative to said clamping piston nuts; an actuator for moving said tie bars between said engaging and said disengaging configurations; and, a clamping force applicator associated with said clamping piston nuts for applying an axial closing force to said clamping piston nuts.