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. 26, 1996
Filed:
Dec. 28, 1993
Akira Mizuta, Kanagawa, JP;
Toshikazu Yamamuro, Kanagawa, JP;
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Abstract
In the configuration wherein a metal thin plate is pressed by dies 2 to a punch 1 having unload channels 1b and 1c which elongates from one end of the punch 1 to the position corresponding to a tab-bent portion 60a of a workpiece 60, the edge portions of the punch 1 are chamfered as curved faces R or formed into an obtuse angle of 90.degree. or more. After the metal thin plate is bent along the punch, the angle of the edge portions is formed by pressing the metal thin plate toward the punch, and the workpiece 60 is unloaded in the direction along which the dimensions of the unload channels 1b and 1c formed on the punch 1 can be shortened.