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:
Jul. 12, 2005
Filed:
Nov. 13, 2002
Yukihisa Takeuchi, Nagoya, JP;
Hiroyuki Tsuji, Nagoya, JP;
Kazumasa Kitamura, Nagoya, JP;
Yoshinori Yamaguchi, Nagoya, JP;
Satoshi Matsubayashi, Kitakyusyu, JP;
Syusaku Kabe, Kurate-gun, JP;
Yukihisa Takeuchi, Nagoya, JP;
Hiroyuki Tsuji, Nagoya, JP;
Kazumasa Kitamura, Nagoya, JP;
Yoshinori Yamaguchi, Nagoya, JP;
Satoshi Matsubayashi, Kitakyusyu, JP;
Syusaku Kabe, Kurate-gun, JP;
NGK Insulators, Ltd., Nagoya, JP;
Abstract
A punch apparatus for punching and laminating simultaneously a plural number of thin sheets is disclosed. This punch apparatus includes a punch provided on an upper portion of the punch apparatus, a die provided on a lower portion of the punch apparatus and used for punching a material to be processed, a stripper for guiding the punch during punching operation, a device for laminating punched materials using the punch as a laminating axis, a device for adjusting a relative position between the punch and the stripper when the upper and the lower portions of the punch apparatus are separated, and a device for adjusting a clearance between the die and the stripper during punching operation. The punch apparatus can open precisely almost straight very fine through-holes of a diameter of 100 μm or less even in a sheet of thin, soft and deformable material.