Braking and tension roll

Claim 1

AN UNWIND MECHANISM FOR CONTINUALLY DELIVERING A TRAVELING WEB COMPRISING, A FIRST UNWIND ROLL SUPPORT FOR A ROLL HAVING A FIRST WEB UNWOUND THEREFROM, A SECOND UNWIND ROLL SUPPORT FOR A FRESH ROLL HAVING A SECOND WEB TO BE SPLICED TO THE FIRST WHILE IT IS TRAVELING, A PULL ROLL RECEIVING THE FIRST WEB, A TENSION CONTROL WEB BRAKING ROLL FRICTIONALLY ENGAGING THE SURFACE OF SAID FIRST ROLL BETWEEN SAID SUPPORTS AND SAID PULL ROLL, A BRAKE MEANS HAVING A CONSTANT RUNNING TORQUE CONNECTED TO SAID WEB BRAKING ROLL FOR MAINTAINING A PREDETERMINED TENSION IN THE WEB, MEANS FOR DRIVING SAID SECOND ROLL FOR BRINGING THE SURFACE SPEED TO THE SPEED OF SAID FIRST WEB, A ROLL BRAKE FOR SAID FIRST ROLL PREVENTING OVERRUN AND STOPPING THE ROLL AFTER SPLICING THE SECOND WEB TO THE FIRST, AND A SLICE MEANS FOR SLICING THE SECOND WEB TO FIRST WHILE IT IS TRAVELING AND CUTTING THE FIRST WEB SO THAT SAID WEB BREAKING ROLL WILL UNIFORMLY CONTINUE TO APPLY CONSTANT BRAKING FORCE SEQUENTIALLY TO BOTH SAID FIRST AND SECOND WEBS WITHOUT CHANGE IN TENSION TO THE PULL ROLL.