Chuck assembly having a controlled vent
AssigneeXerox Corporation
InventorsEugene A. Swain, Peter J. Schmitt
Life of this patent
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Abstract
A chuck assembly for engaging the inner surface of a hollow substrate including: (a) a body defining a hole, wherein the hole is positioned to be in communication with the air inside the substrate; and (b) a gas pressure regulating apparatus coupled to the hole for regulating the gas pressure inside the substrate.
Claims11
A chuck assembly for engaging the inner surface of a hollow substrate having a first end engaged to the chuck assembly and an open second end, wherein during lowering of the open second end of the substrate into a liquid there is air present in the interior of the substrate between the chuck assembly and the liquid, the chuck assembly comprising:
- (a) a body defining a hole, wherein the body includes a chuck, wherein the hole is positioned to be in communication with the air inside the substrate;
- and
- (b) a gas pressure regulating apparatus coupled to the hole defined by the body for regulating the gas pressure inside the substrate by allowing a portion of the air inside the substrate between the chuck assembly and the liquid to flow through the hole into the chuck assembly or by adding gas into the substrate interior through the hole.
Dependencies are inferred from the claim text.