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, 2010
Filed:
Dec. 30, 2005
Applicants:
Nagamitsu Takashima, Nagano-ken, JP;
Ryoji Uesugi, Nagano-ken, JP;
Inventors:
Nagamitsu Takashima, Nagano-ken, JP;
Ryoji Uesugi, Nagano-ken, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23P 13/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
In order to manufacture a die for forming recesses in a metallic plate which are adapted to be pressure generating chambers in a liquid ejecting head, it is prepared a metallic block adapted to allow a plurality of dies arrayed in a first direction to be cut out, and having a flat end face extending in the first direction. The dies are cut out from the metallic block. A distance between a first part of each of the dies which is adapted to be working members for forming the recesses and the flat end face is made uniform.