Patent ID: 7874302

Claim:
A caul screen cleaning apparatus for cleaning debris from the surface of a porous caul screen, the apparatus comprising at least one cleaning head assembly having a cleaning head, and a pressurized fluid source for supplying cleaning fluid under pressure to said cleaning head, the cleaning head having an upstream end fluidically coupled to said pressurized fluid source and a plurality of outlet nozzles in fluid communication with the upstream end, the outlet nozzles each being operable to direct a cleaning fluid flow in an axial direction onto a surface of said caul screen, said fluid flow comprising at least one generally pressurized fluid stream having an emitted pressure of between about 10,000 and 50,000 psi, a head drive operable to selectively rotate said cleaning head about the axis, a support member for supporting said outlet nozzle in an operable position spaced from said sheet, and a conveyor for reciprocally moving at least one of said sheet and said support member relative to each other.