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.

Date of Patent:
Jan. 21, 2025

Filed:

Sep. 04, 2020
Applicant:

Sumitomo Electric Sintered Alloy, Ltd., Takahashi, JP;

Inventor:

Kazuo Maeda, Takahashi, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23C 3/02 (2006.01); B23C 3/12 (2006.01); B23Q 15/06 (2006.01); B23Q 15/08 (2006.01); B23Q 17/09 (2006.01); B23Q 17/10 (2006.01); B23Q 17/20 (2006.01); B23Q 17/22 (2006.01); B23B 5/10 (2006.01);
U.S. Cl.
CPC ...
B23Q 15/08 (2013.01); B23C 3/02 (2013.01); B23C 3/12 (2013.01); B23Q 17/0961 (2013.01); B23Q 17/10 (2013.01); B23Q 17/20 (2013.01); B23C 2220/16 (2013.01); B23C 2220/52 (2013.01); Y10T 29/5107 (2015.01); Y10T 409/304144 (2015.01); Y10T 409/307616 (2015.01);
Abstract

A processing system includes a drilling tool and a chamfering tool that process a workpiece. The workpiece includes a first plate that includes: a first hole penetrating a first front surface and a first back surface; an opening edge constituting the first hole, a front-side first opening edge being provided in the first front surface; a back-side first opening edge constituting the first hole, the back-side first opening edge being provided in the first back surface; and a first chamfered portion provided on at least one of the front-side first opening edge and the back-side first opening edge, and the workpiece includes a second plate that includes: a second hole including a back-side second opening edge provided in at least a second back surface; and a back-side second chamfered portion provided at the back-side second opening edge, an axis of the first hole and an axis of the second hole are coaxial, and the at least one of the first chamfered portion and the back-side second chamfered portion have a cutting mark.


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