US PATENT SUBCLASS 427 / 230
INTERIOR OF HOLLOW ARTICLE COATING

Current as of: June, 1999
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427 /   HD   COATING PROCESSES

230INTERIOR OF HOLLOW ARTICLE COATING {6}
231  DF  .~> Rotating the article {3}
235  DF  .~> Removing excess coating material
236  DF  .~> Spraying
237  DF  .~> Coating by vapor, gas, mist, or smoke
238  DF  .~> Vacuum or pressure utilized
239  DF  .~> Metal base

DEFINITION

Classification: 427/230

(under the class definition) Processes wherein the coating is applied to an inner or concave surface of a cavity, bore, depression or hole in the work.

(1) Note. Materials such as fabrics, foams, felts, etc., are not considered hollow even though they may contain voids.

SEE OR SEARCH THIS CLASS, SUBCLASS:

64+, for coating cathode-ray tubes and fluorescent lamps.

105+, for coating hollow electrical articles such as light bulbs and motor stators, etc.

133+, for coating molds. 142, for repairing articles, some of which are hollow such as radiators and boilers, etc.

181, for processes of coating the interior of a hollow article with particles or fibers.

243+, for coating processes wherein a foraminous product is produced.

476, for a process of coating a hollow article utilizing an electrostatic charge.

SEE OR SEARCH CLASS

138, Pipes and Tubular Conduits,

97+, for repairing pipe by a coating process.