Method and apparatus for the partial coating of sets of structur

Details Method and apparatus for the partial coating of sets of structur Method and apparatus for the partial coating of sets of structur

1995-07-18

1997-05-20

Bueker, Richard

Coating apparatus

Gas or vapor deposition

Having means to expose a portion of a substrate to coating...

118730, 118719, 118721, 118500, 118504, 118505, 20429823, 20429825, 20429826, 20429828, C23C 1600, C23C 1404, C23C 1456

Patent

active

056308795

ABSTRACT:
Structural components (2), such as turbine blades (16) partially to be coated, for example with precious metal coatings, are inserted into a circumferential pocket on a carrier wheel (8), so that surface areas (10, 10A) protruding radially outwardly are presented for a coating operation, for example by vapor deposition, gas diffusion, plasma spraying, or sputtering, while surface portions (9) of the components within the wheel are protected against coating by wheel disks (8A, 8B). The wheel is rotated either continuously or stepwise through an active coating chamber (3). Surfaces to be coated participate in forming first and second walls for enclosing a coating space (11). Other walls of the space (11) are formed by one or two coating sources (12, 13), such as cathode sputterers, whereby the need for screens or masks (4, 14) that form the remaining walls of the space (11) are minimized. The bottom (59) of the space (11) is preferably formed by wall portions (4A) of the turbine blades (16).

REFERENCES:
patent: 1937439 (1933-11-01), Schacht
patent: 2816523 (1957-04-01), Johnson
patent: 2922721 (1960-01-01), Tarkan
patent: 3097104 (1963-07-01), Free
patent: 3699917 (1972-10-01), Deverse
patent: 5421979 (1995-06-01), Stevenson
patent: 5565035 (1996-10-01), Sylvestro

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