Production of magnetic sound tape

Claim 1

IN THE METHOD OF PRODUCING BLANK MAGNETIC SOUND RECORDING TAPE WHEREIN AN ELONGATED PIECE OF TAPE BASE IS UNWOUND FROM A ROLL OF THE SAME IN AN UNWINDING ZONE, PASSED WHILE UNDER TENSION THROUGH A MAGNETIC COATING ZONE AND A DRYING, ZONE AND WOUND INTO A ROLL IN A WINDING ZONE, THE IMPROVEMENT WHICH COMPRISES UNWINDING THE TAPE FROM ITS ROLL IN AN UNWINDING ZONE SEPARATED AND REMOVED FROM THE MAGNETIC COATING ZONE TO MAKE POSSIBLE A FIXED PATH OF TRAVEL FOR THE UNWOUND TAPE BASE AS IT GOES THROUGH THE MAGNETIC COATING ZONE; ACCUMULATING A PREDETERMINED AMOUNT OF THE UNWOUND MOVING TAPE BASE AS SLACK IN A SLACK ZONE IN ADVANCE OF THE MAGNETIC COATING ZONE; SLACK BEING ACCUMULATED AND TAKEN UP IN A BODY OF CLEANING LIQUID IN THE SLACK ZONE SO THAT THE TAPE BASE IS CLEANED SIMTANEOUSLY; DRYING THE CLEANED TAPE BASE WHILE IN TRANSIT BETWEEN THE SLACK ACCUMULATING ZONE AND THE MAGNETIC COATING ZONE; DRAWING UNWOUND TAPE BASE FROM THE SLACK ZONE IN A FIXED PATH OF TRAVEL THROUGH THE MAGNETIC COATING ZONE AT A PREDETERMINED FIXED SPEED OF TRAVEL; SPLICING ZONE ADJACENT OF THE TAPE BASE FROM THE ROLL IN A SPLICING ZONE ADJACENT THE UNWINDING ZONE TO THE FORWARD END OF THE NEXT ROLL OF TAPE BASE TO BE PROCESSED WHILE BOTH ENDS ARE TEMPORARILY STATIONARY AND WHILE ACCUMULATED TAPE BASE SLACK IN THE SLACK ZONE IS TAKEN UP AND THE ADVANCING TAPE BASE FROM THE FIRST ROLL CONTINUES WITHOUT INTERRUPTION THROUGH THE MAGNETIC COATING ZONE AT SAID FIXED SPEED OF TRAVEL; UNWINDING THE TAPE BASE FROM THE SECOND ROLL IN THE UNWINDING ZONE; ACCELERATING TEMPORIARLY ITS RATE OF UNWINDING TO RESTORE THE NORMAL AMOUNT OF TAPE BASE SLACK IN THE SLACK ZONE; AND DRAWING THE TAPE BASE FROM THE SECOND ROLL THROUGH THE SAME FIXED PATH OF CONTROL FOLLOWED BY THE TAPE BASE FROM THE FIRST ROLL THROUGH THE MAGNETIC COATING ZONE AT SAID SAME FIXED SPEED OF TRAVEL SO THAT TAPE FROM SUCCESSIVE ROLLS MAY BE PROCESSED WITHOUT INTERRUPTION AS A UNITARY WHOLE.