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:
Aug. 13, 2019
Filed:
Oct. 23, 2015
Ngk Insulators, Ltd., Nagoya, JP;
NGK Insulators, Ltd., Nagoya, JP;
Abstract
An electrode for electrical discharge machining which makes it possible to form slits of a honeycomb structure forming die so that a slit width on a front surface side is smaller than a slit width on a back hole side is provided. The electrode for electrical discharge machining includes: plural plate-shaped discharge portions with a thickness that is gradually increased toward tips thereof; and a plate-shaped support portion to which end portions of the plural discharge portions on a side opposite to the tips are connected, wherein a difference between a thickness of the tip; and a thickness of the end portion on the side opposite to the tip ranges from 5 μm to 500 μm in the discharge portion.