摘要 |
An electrostatically clad conduit innerduct liner and method for making the innerduct are disclosed, The process includes, heating the innerduct to a temperature less than melting point of the innerduct or a powder to be coated on the inner surface of the innderduct, The powder to be coated is electrically charged and applied to the innerduct by spraying from a nozzle having a different polarity than the innerduct to provide a substantially uniform coating.
|