Title:
マーキングシステムおよびマーキング方法
Document Type and Number:
Japanese Patent JP6874830
Kind Code:
B2
Abstract:
A primary coating which is a water-soluble coating is applied to an end surface of each of a plurality of steel bars (100) that are in different temperature zones, and then the end surface of each steel bar (100) is subjected to induction heating. After drying the primary coating in this way, the end surface of each steel bar (100) is irradiated with a laser beam to cause a portion of the primary coating to be colored and thereby perform marking.
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Inventors:
Miyashita Masaki
Kazuomi Tomita
Kazuomi Tomita
Application Number:
JP2019511328A
Publication Date:
May 19, 2021
Filing Date:
April 06, 2018
Export Citation:
Assignee:
Nippon Steel Corporation
International Classes:
B21C51/00; B23K26/00
Domestic Patent References:
| JP2007268607A | ||||
| JP54102264A | ||||
| JP2011088183A | ||||
| JP2001055537A | ||||
| JP2003220581A | ||||
| JP2006346727A | ||||
| JP2013066926A |
Other References:
株式会社ニレコ,プロセス制御装置,株式会社ニレコ,2005年,URL,http://www.nireco.jp/product/process/050101-lasermarker.html
Attorney, Agent or Firm:
Takayoshi Kokubun