Thread and other form rolling dies

Claim 1

IN AN APPRATUS, RELATIVELY MOVABLE DIES FOR ROTATING ABOUT ITS LONGITUDINAL AXIS A CYLINDRICAL WORKPIECE FORMED OF EXTRUDABLE AND WORK-HARDENABLE MATERIAL HAVING A CYLINDRICAL BODY PORTION AND CYLINDRICAL EXTRUDABLE PORTION FOR FORMING A POINTED SCREW THREADED PRODUCT WITH A THREADED BODY PORTION AND THREADED POINT BY RELATIVE ADVANCING MOVEMENT BETWEEN SAID DIES AND AXIS PROVIDING AN AXIS ADVANCEING DIRECTION RELATIVE TO EACH DIE, SAID DIES INCLUDING THREAD ROLLING MEANS RESPONSIVE TO RELATIVE DIE MOVEMENT AND OPERABLE DURING WORKPIECE ROTATION FOR ROLLING THREADS OR OTHER FORM ON SAID WORKPIECE, EXTRUSION MEANS RESPONSIVE TO RELATIVE DIE MOVEMENT AND OPERABLE DURING WORKPIECE ROTATION FOR FORMING A FULLY FORMED POINT ON THE WORKPIECE BY EXTRUSION OF AT LEAST A PORTION OF SAID EXTRUDABLE PORTION OF THE WORKPIECE, SAID EXTRUSION MEANS INCLUDING MEANS FOR AXIALLY FORMING THE POINT AT A RATE DIFFERENT FROM THE AXIAL ADVANCE OF THE HELIX, SEVERANCE MEANS RESPONSIVE TO RELATIVE DIE MOVEMENT AND OPERABLE DURING WORKPIECE ROTATION FOR REMOVING EXCESS MATERIAL EXISTING BEYOND THE FULLY FORMED POINT BY EXTRUDING IT INTO A SLUG AND CONNECTING PORTION THIN IN CROSS SECTION ATTACHED TO SAID POINT AND CONNECTING SAID SLUG AND POINT, AND MEANS FOR FRICTIONALLY ENGAGING THE SURFACE OF SAID WORKPIECE AND POSITIVELY ROTATING SAID WORKPIECE ABOUT ITS LONGITUDINAL AXIS DURING RELATIVE DIE MOVEMENT.