Method of and apparatus for making punch-board wiring circuits

Claim 1

THE METHOD OF FABRICATING A PUNCHBOARD WIRING CIRCUIT COMPRISING THE STEPS OF: PREPARING A METAL PANEL AS A RECEPTACLE FOR AN ELECTRONIC ASSEMBLY BY PUNCHING APERTURES THERTHROUGH IN A PREDETERMINED PATTERN, SECURING INSULATORS CONTAINING HOLLOW-TURRET TERMINALS IN SAID APERTURES, EACH OF SAID TERMINALS HAVING A METAL TURRET PROTRUDING ONLY FROM A FIRST SIDE OF SAID PANEL AND THE METAL TURRET BEING SEPARATED FROM THE PANEL BY A HEAT RESISTANT PORTION OF SAID INSULATOR, MOUNTING PIGTAIL-CARRYING ELECTRONIC COMPONENTS WITH THEIR RESPECTIVE PIGTAILS DISPOSED ON ONLY THE SECOND SIDE OF THE PANEL AND INSERTING EACH OF SAID PIGTAILS THROUGH ITS RESPECTIVE TERMINAL, PREDETERMINEDLY WIRING THE TERMINALS ON SAID FIRST SIDE OF SAID PANEL WITH HEAT RESISTANT-INSULATOR COVERED WIRE SECTIONS, AND DIP-SOLDERING SAID FIRST SIDE OF SAID PANEL TO SOLDER THE ENDS OF SAID WIRE SECTIONS AND SAID PIGTAILS WITHOUT EXPOSING SAID PANEL TO SOLDER WHICH HARMLESSLY ROLLS OFF THE HEAT RESISTANT INSULATORS.