A SPRAY TUBE FOR A BLANKET WASHING DEVICE AT A PRINTING PRESS

摘要

A spray tube for a blanket washing device at a printing press is provided with holes or nozzles (19) for spraying a washing liquid. In order to obtain this spraying action the tube (6) is provided with an internal, elastic sleeve (13) expandable by means of pressurized air, the washing liquid being contained between the tube and the expandable sleeve. The sleeve is arranged on an axial support rod (11) centrally arranged in the tube.