Improvement in apparatus for applying a coating to a moving surface
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United States of America Patent
Stats
-
Aug 31, 1993
Grant Date -
N/A
app pub date -
Nov 13, 1990
filing date -
Nov 13, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improvement is provided in a coating system including a dispenser, a coating outlet for delivering a coating material to a surface of a moving workpiece to which coating is to be applied in a desired pattern, and a dispensing control for producing control signals in a predetermined fashion for initiating and terminating the release of coating material to the outlet. The improvement includes a wiping member selectively advanceable and retractable relative to the coating outlet for wiping excess coating material therefrom and a cleaning control responsive to predetermined control signals from the dispensing control for advancing and retracting the wiping member in a predetermined fashion.
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