Metal member, processing system, and method for manufacturing metal member

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 12202089
APP PUB NO 20220331924A1
SERIAL NO

17642953

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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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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First Claim

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Patent Owner(s)

Patent OwnerAddress
SUMITOMO ELECTRIC SINTERED ALLOY LTD2901 NARIWA NARIWA-CHO TAKAHASI-SHI OKAYAMA 716-0192

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Maeda, Kazuo Takahashi, JP 139 3781

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