| 摘要 |
Spray arm for a coating device and a method of supplying a coating material to a spray arm. The spray arm including at least one nozzle pipe having an open end, a closed end, and at least one nozzle positioned between the open end and the closed end, and at least one delivery pipe having a supply end and a delivery end. The delivery end may be positioned adjacent the closed end of the at least one nozzle pipe, the open end of the at least one nozzle pipe may be couplable to a coating material supply, and the supply end of the at least one delivery pipe may be couplable to the coating material supply. The method includes supplying coating material to the at least one nozzle in a first direction substantially along a longitudinal axis of the at least one nozzle pipe, and supplying coating material to the at least one nozzle in a second direction, the second direction being substantially opposite the first direction.
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