Fluid supply mechanism for multiple fluids to multiple spaced orifices
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United States of America Patent
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-
Nov 20, 2001
Grant Date -
N/A
app pub date -
Jul 10, 1998
filing date -
Jul 15, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
This patent describes an improved form of ink supply to an ink supply head for printing images. The supply is required for a number of different fluids to be supplied to a plurality of different supply slots, the supply slots being spaced apart at periodic intervals in an interleaved manner. The supply includes a fluid inlet portion for each of the plurality of different fluids and a main channel flow portion for each of the different fluids, connected to the fluid inlet portion and running past each of the supply slots; and a sub-channel flow portion connecting each of the supply slots to a corresponding main channel flow portion; two of the main channel flow portion run along the first surface of a moulded flow supply unit and another of the main channel flow portion runs along the top surface of the moulded piece with the subchannel flow portion being interconnected with the slots by way of through-holes through the surface of the the moulded piece. The supply member can be plastic injection moulded and the pitch rate of the slots can be 1,000 slots per inch.
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