Method and apparatus for making a string of molded electrical resistors

Claim 2

IN THE MAKING OF A STRING OF ELECTRICAL RESISTORS IN WHICH AXIALLY SPACED RESISTOR BODIES ARE CONNECTED BY WIRE LEADS, THE METHOD COMPRISING CUTTING A LONG WIRE NEAR ITS FRONT END TO FORM IN FRONT OF THE CUT A WIRE LEAD, FEEDING SAID LEAD AND LONG WIRE FORWARD TO A PREDETERMINED POSITION WHERE THEIR ADJACENT ENS WILL BE SPACED APART, PRESSURE MOLDING A RESISTOIR BODY AROUND AND BETWEEN SAID SPACED ENDS, AND PERIODICALLY REPEATING THE FOREGOING STEPS TO FORM ADDITIONAL RESISTOR BODIES EACH CONNECTED TO THE PRECEDIONG ONE BY A WIRE LEAD CUT FROM SAID LONG WIRE.

Claim 3

APPARATUS FOR MAKING A STRING OF ELECTRICAL RESISTORS IN WHICH AXIALLY SPACED RESISTOR BODIES ARE CONNECTED BY FLEXIBLE WIRE LEADS, COMPRISING UPPER AND LOWER DIES, MANS FOR MOVING THE DIES INTO AND OUT OF ENGAGEMENT WITH EACH OTHER, THE DIES BEING PROVIDED WITH A PAIR OF ALIGNED VERTICAL PASSAGES THERETHROUGH FORMING A MOLDING CAVITY WHEN THE DIES ARE CLOSED, A VERTICALLY RECIPROCABLE BOTTOM PUNCH IN THE LOWER PASSAGE, A VERTICALLY RECIPROCABLE TOP PUNCH NORMALLY DISPOSED ABOVE THE UPPER PASSAGE, THE CLOSED DIES BEING FORMED TO HOLD BETWEEN THEM AT THE FRONT AND BACK OF SAID CAVITY AND IN AXIAL ALIGNMENT A SHOT WIRE LEAD AND THE FRONT END PORTION OF A LONG FLEXIBLE WIRE WITH THE ADJACENT ENDS THEREOF PROJECTING INTO THE CAVITY BUT SPACED APART, MEANS FOR DELIVERING A CHARGE OF POWDERED RESISTOR MATERIAL TO THE TOP OF THE MOLDING CAVITY, MEANS FOR MOVING SAID PUNCHES TOWARD AND AWAY FROM EACH OTHER IN SAID CAVITY TO MOLD SAID MATERIAL INTO A RESISTOR BODY WITH SAID WIRES ENDS EMBEDDED THEREIN, CUTTING MEANS BEHIND THE DIES ADAPTED TO CUT SAID LONG WIRE TO FORM A SECOND SHORT WIRE LEAD PROJECTIONG FROM SAID BODY MEANS FOR PULLING SAID RESISTOR BODY FORWARD AWAY FROM THE MOLDING CAVITY WHEN THE DIES AND PUNCHES ARE RETRACTED UNTIL THE FREE END OF SAID SECOND LEAD WILL PROJECT ONLY A SHORT DISTANCE INTO THE CAVITY, AND MEANS FOR FEEDING THE LONG WIRE FORWARD BETWEEN THE RETRACTED DIES UNTIL ITS FRONT END WILL PROJECT ONLY A SHORT DISTANCE INTO SAID CAVITY, WHEREBY WHEN THE DIES ARE CLOSED AGAIN THE MOLDING CAVITY WILL BE READY TO RECEIVE ANOTHER CHARGE OF POWDERED RESISTOR MATERIAL.

Claim 4

APPARATUS FOR MAKING A STRING OF ELECTRICAL RESISTORS IN WHICH AXIALLY SPACED RESISTOR BODIES ARE CONNECTED BY FLEXIBLE WIRE LEADS, COMPRISING UPPER AND LOWER DIES, MANS FOR MOVING THE DIES INTO AND OUT OF ENGAGEMENT WITH EACH OTHER, THE DIES BEING PROVIDED WITH A PAIR OF ALIGNED VERTICAL PASSAGES THERETHROUGH FORMING A MOLDING CAVITY WHEN THE DIES ARE CLOSED, A VERTICALLY RECIPROCABLE BOTTOM PUNCH IN THE LOWER PASSAGE, A VERTICALLY RECIPROCABLE TOP PUNCH NORMALLY DISPOSED ABOVE THE UPPER PASSAGE, THE CLOSED DIES BEING FORMED TO HOLD BETWEEN THEM AT THE FRONT AND BACK OF SAID CAVITY AND IN AXIAL ALIGNMENT A SHOT WIRE LEAD AND THE FRONT END PORTION OF A LONG FLEXIBLE WIRE WITH THE ADJACENT ENDS THEREOF PROJECTING INTO THE CAVITY BUT SPACED APART, MEANS FOR DELIVERING A CHARGE OF POWDERED RESISTOR MATERIAL TO THE TOP OF THE MOLDING CAVITY, MEANS FOR MOVING SAID PUNCHES TOWARD AND AWAY FROM EACH OTHER IN SAID CAVITY TO MOLD SAID MATERIAL INTO A RESISTOR BODY WITH SAID WIRES ENDS EMBEDDED THEREIN, CUTTING MEANS BEHIND THE DIES ADAPTED TO CUT SAID LONG WIRE TO FORM A SECOND SHORT WIRE LEAD PROJECTIONG FROM SAID BODY MEANS FOR PULLING SAID RESISTOR BODY FORWARD AWAY FROM THE MOLDING CAVITY WHEN THE DIES AND PUNCHES ARE RETRACTED UNTIL THE FREE END OF SAID SECOND LEAD WILL PROJECT ONLY A SHORT DISTANCE INTO THE CAVITY, AND MEANS FOR FEEDING THE LONG WIRE FORWARD BETWEEN THE RETRACTED DIES UNTIL ITS FRONT END WILL PROJECT ONLY A SHORT DISTANCE INTO SAID CAVITY, WHEREBY WHEN THE DIES ARE CLOSED AGAIN THE MOLDING CAVITY WILL BE READY TO RECEIVE ANOTHER CHARGE OF POWDERED RESISTOR MATERIAL.