Fluid sprinkling – spraying – and diffusing – Electrostatic type
Patent
1996-01-29
1998-11-24
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Electrostatic type
239705, 118308, B05B 500
Patent
active
058396683
ABSTRACT:
A flat panel display spacer metering apparatus comprises a motor-driven rotatable disc, having a plurality of cavities distributed around a first surface of the disc. As the disc is rotated, its cavities are filled with spacers from a storage and fill device, configured as a hollow cylinder installed in a bore of a metering block. To facilitate transfer of spacer elements stored in the storage cylinder into cavities in the disc, an axially biased plunger continuously pushes the spacer elements against the first surface of the disc. As a result, whenever rotation of the disc exposes one or more of its cavities to the open end of the cylinder, spacers are forced into and fill the cavities. As the disc is further rotated and successive ones of its cavities are filled with spacers, the filled cavities are brought into alignment with a spacer element ejection head. The ejection head continuously directs a fluid, such as dry nitrogen gas against the cavity-containing surface of the disc. As a result, when a respective cavity becomes aligned with the fluid entry port, the forced gas supplied is directed into that cavity and forces all of the spacer elements within that cavity into an exhaust port, which is coupled to the electrostatic spray gun.
REFERENCES:
patent: 4302481 (1981-11-01), Ribnitz et al.
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patent: 4780028 (1988-10-01), McLemore
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patent: 5213271 (1993-05-01), Uribe et al.
patent: 5240185 (1993-08-01), Kaiju et al.
patent: 5615830 (1997-04-01), Matsunaga et al.
Costas Judson P.
Nemeth Paul R.
Olmstead Ty R.
Varney John C.
Accudyne Corporation
Douglas Lisa Ann
Kashnikow Andres
Wands Charles E.
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