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公开(公告)号：US11020799B2
公开(公告)日：2021-06-01
申请号：US16427511
申请日：2019-05-31
Applicant: SINTOKOGIO, LTD.
Inventor： Douta Sato , Takehiro Sugino
Abstract: [Problem] To provide a marking method and a marking device for a casting that are, even when foreign matter is adhered to a casting to be marked, capable of making an effective and appropriate mark on the casting.
[Solution] Detect foreign matter on an outer surface of a casting 100, set marking locations 118, 120-1, 120-2, and make a mark on the marking locations 118, 120-1, 120-2.
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