The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 19, 2004
Filed:
Dec. 03, 2002
Toshihiko Ujita, Kanagawa, JP;
Junji Shimoda, Kanagawa, JP;
Hiroshi Netsu, Kanagawa, JP;
Hideaki Okamoto, Kanagawa, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
The present invention provides a liquid storing device which can be manufactured inexpensively, which allows various liquids such as ink to be used in a chemically stable manner, and which can stably supply a liquid by reducing channel resistance irrespective of changes in position during operation to generate a predetermined negative pressure. To achieve this object, in one preferred mode, a plurality of thin plates are disposed at predetermined intervals to form a storing portion in which predetermined capillary force is generated. Furthermore, a predetermined gap is formed between the storing portion and a liquid outlet to form a guiding portion in which capillary force is generated which is stronger than the capillary force of the storing portion.