Ink delivery apparatus with pressure tuned rolling piston...

Details Ink delivery apparatus with pressure tuned rolling piston... Ink delivery apparatus with pressure tuned rolling piston...

2006-08-29

2006-08-29

Vo, Anh T. N. (Department: 2861)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

Reexamination Certificate

active

07097289

ABSTRACT:
An ink delivery apparatus includes a pressure tuned rolling piston having a distal end. The distal end includes a pressure responsive portion. A first convolute portion supports the pressure responsive portion, and the first convolute portion is configured to provide a first level of resistance against a negative pressure.

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