Orifice plate cleaner for hot melt ink jet

Details Orifice plate cleaner for hot melt ink jet Orifice plate cleaner for hot melt ink jet

1988-11-21

1990-05-22

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

B41J 2165

Patent

active

049281208

ABSTRACT:
In the embodiment of the cleaning device described in the specification, a web of paper is movable past the orifice plate of an ink jet head from a supply roll to a take-up roll. The cleaning device has a movable front end portion with two pressure bars positioned to urge the web of paper against two portions of the orifice plate, one portion being in line with the orifices and the other below the orifices. The pressure bar supports are arranged so that the bar positioned in line with the orifices engages the web after the other bar has urged the web against the orifice plate. The cleaning device also collects ink ejected during purging of air from the system and may be positioned to prevent ejection of ink during an internal purging operation.

REFERENCES:
patent: 4223322 (1980-09-01), va Rammsdonk
patent: 4369456 (1983-01-01), Cruz-Uribe
patent: 4450456 (1984-05-01), Jekez
patent: 4571601 (1986-02-01), Teshima

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