| 摘要 |
A vacuum overspray controller reduces or eliminates the overspray incident to the non-contact spray application of a coating material onto a moving, porous substrate. The vacuum assisted overspray controller exposes a first surface of the porous substrate to a vacuum pressure via one or more orifices in its peripheral surface. As a result, particles of coating material that would otherwise contribute to the overspray instead are preferentially received and retained by the second surface of the porous substrate.
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