Patent ID: 8468921

Claim:
A cutting arrangement which is disposed on a path of travel of a web of corrugated board that is continuously produced by a corrugating machine, the cutting arrangement comprising: a. a blade shaft which is mounted on a blade-shaft axis of rotation for drivable rotation and which comprises at least one circular blade thereon; and b. a brush roll, which is disposed opposite to the blade shaft and mounted for rotation about an axis of rotation, for supporting the web of corrugated board which passes between the circular blade and the brush roll when the web of corrugated board is cut by the at least one circular blade; c. the brush roll comprising shells which are disposed on a roll core and have a cross-sectional shape of a segment of a circle, wherein each shell has i. an outside and an inside, the inside faces towards the roll core; ii. bristles which stand out from the outside; iii. torque-transmission means for transmitting torque from the roll core to the shells; and iv. fastening means for fixing the shells to the roll core; d. wherein threaded holes are radially provided in the roll core and on the inside of the shells, respectively accommodating the fastening means for non-rotary connection of the shells with the roll core; e. wherein the fastening means comprises a fastening pin, and the fastening pin comprises two threaded portions of different pitches; f. wherein a first of the threaded portions of the fastening pin is engaged with the threaded hole on the shell, and a second of the threaded portions of the fastening pin is engaged with the threaded hole on the roll core, and the second threaded portion of the fastening pin has a larger pitch than the pitch of the first threaded portion of the fastening pin; and g. wherein the second threaded portion of the fastening pin is of a larger diameter than the first threaded portion of the fastening pin.