Machine for the manufacture of rails used in ladders

Claim 1

A MACHINE FOR COLLECTIVELY AND SIMULTANEOUSLY WRAPPING A PLURALITY OF FIBER GLASS STRIPS DISPOSED IN LENGTHWISE SUPERPOSED RELATION TO EACH OTHER AROUND A CORE OF BALSA WOOD HAVING AN ELLIPSE CROSS-SECTION FORMING A RAIL FOR USE IN A LADDER, SAID MACHINE COMPRISING, A MOUNTING FRAME, A MOTOR MUONTED ON SAID FRAME, A GEAR MECHANISM ACTUATED BY SAID MOTOR, A PLURALITY OF ROLLER MEMBERS ACTUATED BY SAID GEAR MECHANISM FOR IMPARTING A LONGITUDINAL MOVEMENT TO THE CORE AND TO THE STRIPS ATTACHED TO ONE END OF THE CORE, SPRING MEANS FOR PRESSING SAID ROLLER MEMBERS AGAINST THE CORE, A TWO-PART FORMING DIE MOUNTED ON SAID FRAME IN POSITION FOR ENGAGEMENT BY THE CORE AND THE STRIPS UPON THE OPERATION OF SAID ROLLER MEMBERS, SAID DIE CONSISTING OF A TAPERED LONGITUDINALLY SLOTTED TUBULAR MEMBER AND A TAPERED CURVED WEDGESHAPED MEMBER FORMING THE COMPLEMENT OF SAID FORMING DIE AND ADJUSTABLE RELATIVE TO EACH OTHER FOR CONTROLLING THE PRESSURE OF SAID DIE OVER THE STRIPS, EACH CROSS-SECTION OF SAID DIE TAKEN ALONG THE LENGTH THEREOF