Method and apparatus for splicing a web of sheet material to a moving web

Claim 1

APPARATUS FOR SPLICING AN ADHESIVE COATED END PORTION OF A WEB WITHDRAWABLE FROM A FIRST ROLL THEREOF TO A MOVING WEB ISSUING FROM A SECOND ROLL, COMPRISING MEANS FOR ROTATABLY MOUNTING THE SAID FIRST AND SECOND ROLLS, A DISPLACEMENT MEMBER ADAPTED TO BE POSITIONED ON THE SURFACE OF THE FIRST ROLL AT A LOCATION BEHIND SAID END PORTION SO AS TO PROTRUDE RADIALLY FROM SAID SURFACE AND EXTEND ACROSS THE WIDTH OF THE MOVING WEB, MEANS FOR BRINGING SAID MOVING WEB AND SAID FIRST ROLL INTO FRICTIONAL CONTACT TO EFFECT ROTATION OF SAID FIRST ROLL BY SAID MOVING WEB, WHEREBY SAID END PORTION IS BROUGH INTO CONTACT WITH AND SPLICED TO SAID MOVING WEB, A KNIFE FOR SEVERING SAID MOVING WEB, SAID KNIFE BEING MOUNTED ADJACENT TO THE REGION OF CONTACT BETWEEN THE MOVING WEB AND THE FIRST ROLL, AND MEANS FOR HOLDING SAID DISPLACEMENT MEMBER POSITIONED ON SAID SURFACE AS AFORESAID UNTIL THE SPLICE IS MADE AND THUS CAUSING SAID MEMBER MOVING WITH SAID SURFACE TO DISPLACE OUTWARDLY AWAY FROM SAID FIRST ROLL AND AGAINST SAID KNIFE THE PORTION OF SAID MOVING WEB IMMEDIATELY BEHIND THE SPLICE, WHEREBY TO SEVER THE MOVING WEB.