Liquid transport apparatus and method for producing liquid...

Details Liquid transport apparatus and method for producing liquid... Liquid transport apparatus and method for producing liquid...

2011-03-01

2011-03-01

Feggins, K. (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

07896477

ABSTRACT:
A liquid transport apparatus includes a base member having a surface in which a pressure chamber and a liquid flow passage are formed, the liquid flow passage being communicated with the pressure chamber and having a flow passage cross-sectional area smaller than that of the pressure chamber and a piezoelectric actuator having a pressure-applying portion which applies a pressure to a liquid in the pressure chamber and an opening/closing portion which opens and closes the liquid flow passage. The pressure-applying portion faces the pressure chamber, the opening/closing portion faces the liquid flow passage, and the pressure-applying portion and the opening/closing portion are arranged along the surface of the base member.

REFERENCES:
patent: 5215446 (1993-06-01), Takahashi et al.
patent: 2005/0123420 (2005-06-01), Richter et al.
patent: 2005/0196958 (2005-09-01), Nihei et al.
patent: 0949418 (1999-10-01), None
patent: 64032077 (1989-02-01), None
patent: H02-149778 (1990-06-01), None
patent: 4191480 (1992-07-01), None
patent: 6147104 (1994-05-01), None
European Patent Office; European Search Report in European Patent Application No. 08001538.1 (counterpart to the above-captioned U.S. patent application) mailed Jan. 29, 2010.

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