Ink tank

Details Ink tank Ink tank

2007-02-06

2007-02-06

Vo, Anh T. N. (Department: 2861)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

Reexamination Certificate

active

10845934

ABSTRACT:
An ink tank in which an air communication passage and a pressure regulator valve passage are formed by covering grooves, etc., with a film is fabricated in a simple manufacturing process. Specifically, an atmosphere communication hole and a major part of an air communication passage are formed in the same surface on which a film for forming a valve passage is attached. By virtue of this, the process of attaching a major part of the air communication passage film and the process of attaching the valve film can be performed in a single process step. This simplifies the process of attaching the films.

REFERENCES:
patent: 5040002 (1991-08-01), Pollacek et al.
patent: 5363130 (1994-11-01), Cowger et al.
patent: 5737001 (1998-04-01), Taylor
patent: 5764259 (1998-06-01), Nakajima
patent: 6364471 (2002-04-01), Seccombe
patent: 6394593 (2002-05-01), Komplin et al.
patent: 6585358 (2003-07-01), Usui et al.
patent: 6783219 (2004-08-01), Lui et al.
patent: 6945641 (2005-09-01), Sakai et al.
patent: 1354088 (2002-06-01), None
patent: 1390705 (2003-01-01), None
patent: A 4-144755 (1992-05-01), None
patent: 2002-103648 (2002-04-01), None
patent: 2003-25600 (2003-01-01), None
English Concise Explanation for CN 1390705.
English Abstract for CN 1354088.
Chinese Office Action, dated Mar. 24, 2006, in corresponding Chinese patent application.
Office Action dated May 23, 2006 from Japanese Patent Office in corresponding Japanese Patent Application No. 2003-139602.
Concise Explanation of Reference 1 (JP 2003-25600).
Concise Explanation of Reference 2 (JP 2002-103648).

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