Apparatus for applying strips to paper and like blanks

Claim 1

APPARATUS FOR APPLYING A STRIP BEARING ADHESIVE TO A PAPER BLANK SO THAT ONE END OF A STRIP OVERHANGS THE BLANK COMPRISING MEANS FOR SUPPLYING STRIP MATERIAL AS A WEB, A WEB FEEDING ROLLER AND A PRESSER ROLLER ARRANGED INTERMITTENTLY TO COOPERATE WITH THE WEB FEEDING ROLLER TO DRAW WEB FROM THE SUPPLYING MEANS, MEANS FOR FEEDING A BLANK WHICH IS SHORTER THAN A STRIP TOTHE FEED ROLLER AT EVERY SECOND REVOLUTION THEREOF AND SO THAT THE LEADING EDGE OF THE BLANK APPROXIMATELY COINCIDES WITH THE LEADING EDGE OF THE STRIP WEB AT THE FIXED KNIFE, MEANS MOVABLE IN TIMED RELATIONSHIP WITH THE FEEDING ROLLER TO CAUSE THE PRESSER ROLLER TO COOPERATE WITH THE FEEDING ROLLER AS THE BLANK REACHES THE FIXED KNIFE WHEREBY THE WEB IS PRESSED ONTO THE BLANK, AND BOTH ARE FED FORWARD, A FIXED KNIFE AND A KNIFE ON THE FEED ROLLER ARRANGED TO COOPERATE THEREWITH AND CUT A STRIP FROM THE WEB, MEANS FOR HOLDING THE LEADING EDGE OF THE STRIP WEB IN A POSITION ADJACETN THE NIP OF THE ROLLERS DURING THE IDLE REVOLUTION OF THE FEED ROLLER, SAID MEANS CONSISTING OF A SUCTION HEAD WHICH EXERTS SUCTION SUFFICIENT TO HOLD THE WEB IN POSITION BUT NOT ENOUGH TO HINDER WEB FEEDING BY THE FEED AND PRESSER ROLLERS.