Ink jet head having curved ink

Details Ink jet head having curved ink Ink jet head having curved ink

1984-07-26

1986-05-13

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

310800, G01D 1516

Patent

active

045889988

ABSTRACT:
An ink jet head for compressing ink in an ink chamber to eject a drop of the ink from a nozzle. Ink compressing means for compressing the ink in the ink chamber by expanding and contracting in response to a voltage applied thereto is made of a piezoelectric high molecular substance. The ink compressing means comprises a single thin film of polyvinylidene fluoride (PVDF) or two PVDF films bonded together in a bimorph structure. Multiple nozzles are arranged in a predetermined direction. The PVDF film expands and contracts in a direction parallel to the direction of arrangement of the multiple nozzles.

REFERENCES:
patent: 4088915 (1978-05-01), Kodama
patent: 4296417 (1981-10-01), Markham
patent: 4379246 (1983-04-01), Guntersdorfer
patent: 4403382 (1983-09-01), Facoetti

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