Patent ID: 7108588

Claim:
A spray bar, comprising: a support arm having a mounting portion and a distal end located opposite the mounting portion; a delivery tube mounted to and extending along at least a portion of the support arm, a slurry delivery tube having an opening on a distal end of the slurry delivery tube for dispensing slurry, such that the distal end of the slurry delivery tube extends beyond the distal end of the support arm; a nozzle mounted to the distal end of the support arm adjacent the distal end of the slurry delivery tube, the nozzle being adapted to dispense a moisturizer onto the distal end of the slurry delivery tube for moisturizing the distal end of the slurry delivery tube to prevent clogging thereof; and wherein the nozzle dispenses the moisturizer each time the spray bar automatically cycles to dispense slurry to keep a tip of the slurry delivery tube wet enough to prevent the slurry from drying in and clogging the slurry delivery tube.