Powder melting torch

Claim 1

IN A TOUCH FOR SUPPLYING POWDERED METAL OR THE LIKE THROUGH A FLAME TO A WORK PIECE, A TORCH BODY HAVING A CHAMBER THEREON AND FROM WHICH A COMBUSTIBLE GAS MIXTURE IS DISCHARGED THROUGH A TIP, AN OUTER TUBE EXTENDING UPWARDLY FROM THE TORCH BODY AND COMMUNICATING, THROUGH THE TORCH BODY, WITH THE CHAMBER, A RESILIENT TUBE WITHIN THE OUTER TUBE AND COMMUNICATING WITH A SOURCE OF POWDER WHICH FALLS THROUGH THE RESILIENT TUBE BY GRAVITY, A TUBULAR HOUSING MOUNTED ON SAID OUTER TUBE AND EXTENDING SUBSTANTIALLY AT RIGHT ANGLES TO THE OUTER TUBE, A PLUNGER SLIDABLE AXIALLY IN SAID HOUSING AND HAVING AN INNER END WHICH CONTACTS THE RESILIENT TUBE, A COMPRESSION COIL SPRING WITHIN SAID HOUSING FOR ACTUATING SAID PLUNGER TO CAUSE THE INNER END OF THE PLUNGER TO PINCH THE RESILIENT TUBE TO CLOSE THE FLOW OF POWDER THROUGH THE RESILIENT TUBE, A HANDLE WHICH IS INDEPENDENT OF SAID PLUNGER AND IS DISPOSED ADJACENT SAID TORCH BODY, SAID HANDLE BEING PIVOTALLY MOVABLE AND OPERATIVELY CONNECTED TO SAID PLUNGER FOR RETRACTING THE PLUNGER TO PERMIT SAID RESILIENT TUBE TO RESUME ITS ORIGINAL CYLINDRICAL FORM TO PERMIT PASSAGE OF POWDER THERETHROUGH, AND MEANS FOR PREVENTING SAID PLUNGER FROM FULLY CLOSING SAID RESILIENT TUBE TO THE FLOW OF POWDER THERETHROUGH, SAID MEANS COMPRISING A SCREW EXTENDING THROUGH SAID HANDLE AND HAVING AN END WHICH ABUTS SAID OUTER TUBE, SAID SCREW BEING ADJUSTABLE TO CONTROL THE SIZE OF THE OPENING THROUGH SAID RESILIENT TUBE.