Patent ID: 6955107

Claim:
Apparatus for cutting a paper web with a water jet, the apparatus comprising: a cutting head extending in an operating position to an area of an edge part of the paper web, the cutting head having a support surface arranged at least beneath the edge part, and the cutting head having at least one nozzle above the area of the edge part for forming a cutting jet with the aid of high-pressure water, the nozzle being set in such a way that the edge part travels between the support surface and the nozzle, in order to cut an edge strip from the paper web; support and positioning means for supporting the cutting head and for adjusting the nozzle and the support surface in the cross-direction of the paper web; a connection opening in the direction of the cutting jet and set beneath the support surface for collecting and removing cutting water from the apparatus; and a cleaning construction arranged to the opposite side of the paper web to the nozzle, in connection with the support surface, the cleaning construction comprising portions of the support surface defining a cut extending in the direction of travel of the paper web from a cutting point formed by the water jet, the cut serving to prevent the dirtying of the support surface, wherein the cut is positioned between a first portion of the support surface and a second portion of the support surface, the first portion being spaced from the second portion across the cut in a cross-machine direction perpendicular to the direction of travel of the paper web.