Coating apparatus for segments of cylindrical substrates

Details Coating apparatus for segments of cylindrical substrates Coating apparatus for segments of cylindrical substrates

2007-08-21

2007-08-21

Edwards, Laura (Department: 1734)

Coating apparatus

With vacuum or fluid pressure chamber

C118S715000, C118SDIG010, C427S181000, C427S238000, C427S294000

Reexamination Certificate

active

10907217

ABSTRACT:
A coating apparatus includes a cylindrical holding chamber having open ends, an opening formed in an inner surface and an inner diameter; a specimen having a curved inner surface with a radius of curvature that is equal to one half the inner diameter of the cylindrical holding chamber, the specimen having a size such that, when inserted in the opening in the inner surface of the cylindrical holding chamber, the inner surface of the cylindrical holding chamber and the curved inner surface of the specimen form a continuous surface; a counter bore formed radially outward from the opening in the inner wall of the cylindrical holding chamber; at least one evacuation hole extending from an interior of the cylindrical holding chamber through a wall of the cylindrical holding chamber to the counter bore; a flat formed on an exterior surface of the cylindrical holding chamber around the counter bore; and fastener holes formed around the counter bore and extending from the flat into the wall of the cylindrical holding chamber.

REFERENCES:
patent: 3915118 (1975-10-01), Koch et al.
patent: 5521351 (1996-05-01), Mahoney
patent: 6926923 (2005-08-01), Nakashima et al.

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