Cleaning and liquid contact with solids – Processes – Using solid work treating agents
Reexamination Certificate
2011-02-01
2011-02-01
Barr, Michael (Department: 1714)
Cleaning and liquid contact with solids
Processes
Using solid work treating agents
C134S018000
Reexamination Certificate
active
07879152
ABSTRACT:
Disclosed are an apparatus and a method for cleaning a nozzle, which can automatically clean pollutant of the nozzle. The nozzle cleaning apparatus comprises the nozzle in a polluted state, a nozzle cleaning unit to clean a pollutant material from the nozzle by use of an absorbing member, and an absorbing member cleaning unit to clean a pollutant material from the absorbing member. With this configuration, the nozzle cleaning apparatus can clean the polluted nozzle by use of the absorbing member and in turn, can clean the polluted absorbing member by use of cleaning liquid, whereby automatic cleaning of the nozzle can be accomplished. Automatic cleaning of the polluted nozzle has the effect of reducing cleaning labor and time, and improving productivity.
REFERENCES:
patent: 3654654 (1972-04-01), Abreu et al.
patent: 4230067 (1980-10-01), Iwamoto et al.
patent: 2003/0230634 (2003-12-01), Heide et al.
patent: 2003248010 (2003-09-01), None
Barr Michael
Brinks Hofer Gilson & Lione
Campbell Natasha
LG Display Co. Ltd.
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