Method and apparatus for gas phase coating complex internal surf

Details Method and apparatus for gas phase coating complex internal surf Method and apparatus for gas phase coating complex internal surf

1997-07-18

1999-07-27

Bell, Janyce

Coating processes

Interior of hollow article coating

Coating by vapor, gas, mist, or smoke

427239, 427250, 427255, B05D 722

Patent

active

059287250

ABSTRACT:
A method and apparatus is provided to coat the internal surfaces of a hollow article having gas flow passages by supplying a coating gas to the passages with the coating gas flow rate to at least two of the passages controlled to a different rate to deposit a coating of desired thickness on the internal surfaces of each passage.

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