Formed orifice plate for ink jet printing apparatus

Details Formed orifice plate for ink jet printing apparatus Formed orifice plate for ink jet printing apparatus

1977-10-13

1979-03-27

Miller, Jr., George H.

Recorders

Record receiver deforming

346140R, G01D 1518

Patent

active

041468996

ABSTRACT:
A formed orifice plate for use in an ink jet printing device is provided in which the orifice plate and the side walls of the liquid reservoir formed above the orifice plate to supply ink to the orifices, are of unitary construction and formed from a thin sheet of material. The side walls are backed by a member in order to prevent propagation of spurious vibrations from the orifice plate along the side walls and into the liquid contained in the reservoir. An alternative construction of unitary orifice plate is also provided in which the orifice plate has a generally W-shaped cross section and provides two separate reservoirs with multiple rows of orifices.

REFERENCES:
patent: 3373437 (1968-03-01), Sweet et al.
patent: 3921916 (1975-11-01), Bassovs
patent: 3949410 (1976-04-01), Bassovs et al.
patent: 3958255 (1976-05-01), Chiou et al.
patent: 4007464 (1977-02-01), Bassovs et al.

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