Incremental printing of symbolic information – Ink jet – Fluid or fluid source handling means
Patent
1996-07-02
1998-04-07
Fuller, Benjamin R.
Incremental printing of symbolic information
Ink jet
Fluid or fluid source handling means
13750542, B41J 2175, F16K 3112
Patent
active
057370010
ABSTRACT:
Pressure regulating apparatus for ink delivered to an ink-jet print head. The apparatus includes an ink pressure regulating valve that is urged shut by a plurality of coned disk springs that apply a substantially constant force to the valve over the length of its travel. The coned disk springs are also called Belleville spring washers.
Fuller Benjamin R.
Hewlett--Packard Company
Nguyen Judy
LandOfFree
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