.~ Responsive to attribute, absence or presence of work {6}
669
.~.~ Selective application at a specific position
DEFINITION
Classification: 118/669
Selective application at a specific position:
(under subclass 668) Apparatus wherein (a) a predetermined particular point or area on the work to receive the coating is detected or (b) coating material is applied to the work at a particular point or in a particular area in response to a detecting of a characteristic of the work.
(1) Note. Examples of the types of coating apparatus to be found herein are means to deposit material at selected locations in a rotating unbalanced rotor to balance the same, applying coating to bare spots on the interior of a previously coated pipe, etc.