Matrix belts for electric conductor insulation manufacturing machines

Claim 1

IN A MACHINE FOR THE CONTINUOUS FORMING OF A PERI1.IN A MACHINE FOR THE CONTINUOUS FORMING OF A PERIODICALLY WAISTED TUBULAR INSULATION AROUND A METALLIC ELECTRIC CONDUCTOR AND COMPRISING A PLURALITY OF ENDLESS BELTS MADE OF A MOLDED ELASTIC MATERIAL AND IN CLOSE CONTACT WITH EACH OTHER ON OPPOSING FACES SO AS TO DELINEATE A MATRIX CAVITY FORMED OF A PLURALITY OF PARTIAL MATRIX CAVITIES RESPECTIVELY PROVIDED IN EACH ONE OF SAID BELTS, THE TIES RESPECTIVELY PROVIDED IN EACH ONE OF SAD BELTS, THE ARRANGEMENT WHICH CONSISTS IN PROVIDING IN EACH ONE OF SAID PARTIAL MATRIX CAVITIES A FLEXIBLE ELONGATED METALLIC STRUCTURE MOLDED IN AND ADHERING TO SAID ELASTIC MATERIAL, SAID METALLIC STRUCTURE CONSISTING OF SUCCESSIVE LENGTHS SEPARATED BY SHORT INTERVALS, EACH OF SAID LENGTHS CONSISTING OF AN ASSEMBLY OF THIN FLAT JUXTAPOSED METAL PLATES THE PLANES OF WHICH ARE SUBSTANTIALLY PERPENDICULAR TO THE LONGITUDINAL MOTION DIRECTION OF SAID BELTS, EACH OF SAID LONGITUDINAL MOTION DIRECTION OF SAID BELTS, EACH OF SAD PLATES BEING PROVIDED WITH A NOCH HAVING THE SHAPE OF A PLATES BEING PROVIDED WITH A NOTCH HAVING THE SHAPE OF A PORTION OF A CIRCLE, AND EACH OF SAID INTERVALS BEING PROVIDED WITH AT LEAST ONE PROJECTING METAL PIECE SECURED TO SAID ELASTIC MATERIAL OF SAID BELTS. SAID ELASTIC MATERKIAL OF SAID BELTS.