Abstract: This application discloses removing scrap trimmed from a moving web with a series of pins mounted upon a disc which brings the pins into an impaling engagement in the scrap. The movement of the pins into such engagement is carefully synchronized between the cutting roller and the pins. The scrap is removed from the pins by causing it to be grasped between an abutment on one side and a nip roller on the other side and pulled from the pins at the same time as the pins are being withdrawn.

Abstract: A knife holder mounted upon the periphery of the knife roller in an apparatus for cutting lengths of webs such as paper is disclosed. The knife holder in the system disclosed is formed of an elastomeric material. The knife blades are held in place principally by friction in slots cut in the holder and seat themselves in the elastomer during set-up and cutting. Rapid and simple changes of knife blades without torquing or rolling in are achieved by fixing the elastomeric knife holder between readily located clamping members affixed to the surface of the knife roller, and alternative clamping members are provided for retrofit installations.