Dual capillarity ink accumulator for ink-jet

Details Dual capillarity ink accumulator for ink-jet Dual capillarity ink accumulator for ink-jet

1998-09-10

2000-02-01

Le, N.

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

B41J 2175

Patent

active

060194596

ABSTRACT:
An ink-jet writing system having a pen and a detachable ink reservoir. The pen includes a dual capillarity ink accumulator wherein a balance is provided such that the pen nozzles will neither drool ink nor suck up air when the pen is decoupled from the reservoir. A high capillarity member and a low capillarity member of the accumulator respond to changes in volume of a gas bubble within the pen to absorb or expel ink when operational and ambient atmospheric pressure changes occur.

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