Coating apparatus – Projection or spray type – Applying solid particulate material
Patent
1984-11-05
1985-08-06
Beck, Shrive P.
Coating apparatus
Projection or spray type
Applying solid particulate material
118317, 118318, 239683, 239676, 239687, B05B 700, B05B 500
Patent
active
045328854
ABSTRACT:
The present invention provides an apparatus for distributing a stream of solidifiable, finely divided, vitreous coating material onto a heated internal surface of a concave article, such as a tank or a reaction vessel, to form a smooth, uniform, continuous, fused coating thereon. The apparatus consists of a horizontally mounted disc rotor which has a plurality of radially directed vanes mounted thereon. The vanes extend short of the rotor center defining a central chamber. The central chamber contains a cylindrical particle directing cage. The cage has a hollow central impeller, coaxially aligned, and spacedly positioned therein. The impeller is connected with the rotor by a common rotatable shaft. A supply of finely divided vitreous material is fed into the hollow of the impeller and directed through openings in the impeller into the cage member. The rotation of the impeller within the cage member extrudes a metered supply of the feed material through a discharge opening in the cage member into the vane area and rotation of the vanes centrifugally distributes the feed material in an outward direction toward the surface to be coated.
REFERENCES:
patent: 2243996 (1941-06-01), Baughman
patent: 3109657 (1963-11-01), Dreyer
patent: 3472201 (1969-10-01), Quackenbush
patent: 3533375 (1970-10-01), McConnell
Beck Shrive P.
Kennecott Corporation
Sahr R. Lawrence
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