Ink-jet recording device and ink supply unit suitable for it

Details Ink-jet recording device and ink supply unit suitable for it Ink-jet recording device and ink supply unit suitable for it

2011-08-30

2011-08-30

Martin, Laura E (Department: 2853)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

C347S084000, C347S085000

Reexamination Certificate

active

08007088

ABSTRACT:
Ink maintained at a negative pressure state is supplied to an ink-jet recording head via an ink supply mechanism constructed as a differential pressure valve having a coil spring and a movable membrane normally contacted elastically with a valve seat by the coil spring.

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