(under subclass 200) Coating apparatus specialized or peculiarly adapted to enter and contact the inner surface cavity or hole within the confines of the work and applying a coating thereto.
SEE OR SEARCH THIS CLASS, SUBCLASS:
55, for devices for coating the inside of a hollow article utilizing centrifugal force to facilitate the coating operation.
105, for apparatus having solid means acting on a coating applied to the inside of a hollow workpiece after application of the coating material to the workpiece.
214+, for coating apparatus having applicators for coating the inside of a hollow workpiece and having also means to handle, retain, or relatively guide the work with respect to the applicator.
306, and see the search notes thereto for coating devices for coating the inside of hollow work in which the coating device is supported by and traverses the inner surface of the hollow work.
317+, for coating apparatus for spraying a coating against the inside of a hollow workpiece.
408, for coating apparatus for coating the inside of a hollow work piece by immersion.
622, for hollow work interiorly coated by means of electrostatic and/or electromagnetic attraction or projection of the coating material to the work.
SEE OR SEARCH CLASS
15, Brushing, Scrubbing, and General Cleaning,
56, and 104.03+ for devices especially adapted for cleaning miscellaneous receptacles, pipes and tubes, by means of a brush, broom or other cleaning instrument.
166, Wells, appropriate subclasses for apparatus for cementing wells.
