Fluidics system for a jet drop printer

Details Fluidics system for a jet drop printer Fluidics system for a jet drop printer

1976-07-12

1978-03-21

Hartary, Joseph W.

Recorders

Record receiver deforming

346140R, 251 615, G01D 1518

Patent

active

040806081

ABSTRACT:
A jet drop printing head comprises a transportable upper assembly and a lower assembly adapted for receiving the upper assembly in such a manner as to control the alignment between the two assemblies. The upper assembly, which is primarily a fluidics package, carries an orifice plate and fluidic elements for producing a jet-forming flow of printing liquid through a series of orifices in the orifice plate. There is also a fluidics system which minimizes accumulation of coagulated ink and includes a double diaphragm having a valving diaphragm which works against the raised lip of a conduit insert and a control diaphragm which works against a valve closing spring.

REFERENCES:
patent: 3596275 (1971-07-01), Sweet
patent: 3689025 (1972-09-01), Kiser
patent: 3891121 (1975-06-01), Stoneburner
patent: 3971039 (1976-07-01), Takano et al.

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