Methods of and apparatus for winding strip material

Claim 1

APPARATUS FOR WINDING AUTOMATICALLY TUBULAR CAPACITORS FORMED OF TWO OR MORE STRIPS OF THIN METAL FOIL WHICH ARE INSULATED FROM EACH OTHER BY TWO TAPES OF INSULATING MATERIAL, WHICH COMPRISES: MEANS FOR SUPPLYING INDEFINITE LENGTHS OF THIN METALFOIL TAPES; MEANS FOR SUPPLYING INDEFINITE LENGTHS OF DIELECTRIC TAPES; AN INDEXABLE TURRET INCLUDING A PLURALITY OF ROTATABLE WINDING MANDRELS, EACH OF WHICH IS INDEXED SUCCESSIVELY THROUGH A WINDING STATION, A SEALING STATION, AND A CAPACITOR-STRIPPING STATION; THE MANDRELS EACH INCLUDE A PAIR OF MANDREL HALVES WHICH ARE ON OPPOSITE SIDES OF THE TURRET, EACH OF WHICH COOPERATES WITH THE ASSOCIATED MANDREL HALF ON THE OTHER SIDE OF THE TURRET TO FORM A COMPLETE MANDREL ON WHICH THE INDIVIDUAL CAPACITORS ARE WOUND AND HELD UNTIL THE MANDREL HALVES ARE SEPARATED AND THE CAPACITORS ARE REMOVED THEREFROM IN THE STRIPPING STATION; MEANS FOR ROTATING THE MANDRELS TO WIND THE TAPES THEREON TO FORM CAPACITORS; MEANS FOR MEASURING THE ELECTRICAL CAPACITANCE OF THE CAPACITOR BEING WOUND DURING THE WINDING CYCLE; MEANS FOR CUTTING ONE OF THE METAL-FOIL TAPES AUTOMATICALLY IN RESPONSE TO THE MEASUREMENT OF THE VALUE OF THE ELECTRICAL CAPACITANCE OF THE CAPACITOR BEING WOUND; MEANS FOR CUTTING THE OTHER METAL-FOIL TAPE AUTOMATICALLY SUBSEQUENT TO THE CUTTING OF THE ONE METAL-FOIL TAPE;