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:
Mar. 15, 2011
Filed:
Jan. 19, 2006
Fujio Akahane, Nagano, JP;
Nagamitsu Takashima, Nagano, JP;
Kazushige Hakeda, Nagano, JP;
Ryoji Uesugi, Nagano, JP;
Akiharu Kurebayashi, Nagano, JP;
Fujio Akahane, Nagano, JP;
Nagamitsu Takashima, Nagano, JP;
Kazushige Hakeda, Nagano, JP;
Ryoji Uesugi, Nagano, JP;
Akiharu Kurebayashi, Nagano, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A male die for forming a member incorporated in a liquid ejection head is disclosed. Each of a plurality of first forging punches is operable to form a first recess on a metal plate. The first forging punches are arranged at a fixed pitch to form a punch row in a first direction. Each of a plurality of second forging punches is operable to form a second recess on the metal plate. The second forging punches are arranged adjacently to first forging punches located at both ends of the punch row. The first recess is to be a first part of the member which is used to eject liquid from the liquid ejection head, and the second recess is to be a second part of the member which is not used to eject liquid.