发明名称 |
ULTRASONIC FLAW DETECTION APPARATUS AND METHOD FOR DETECTING FLAW OF STEEL PLATE |
摘要 |
An apparatus and a method for ultrasonic detection are provided. The apparatus includes an injection nozzle which is installed below a steel plate being transported and forms a medium column by jet a medium toward the steel plate, an ultrasonic probe which is installed in the injection nozzle and transmits and receives ultrasonic waves for detecting flaws in the steel plate through the medium column, and a medium circulation unit which reclaims the medium which falls from the medium column and circulates the reclaimed medium to the injection nozzle. |
申请公布号 |
EP3088883(A1) |
申请公布日期 |
2016.11.02 |
申请号 |
EP20130900485 |
申请日期 |
2013.12.26 |
申请人 |
POSCO |
发明人 |
LIM, CHOONG SOO;CHUN, MYUNG SIK;HUH, HYEONG JUN;SON, BOONG HO |
分类号 |
G01N29/04;G01B17/04;G01N29/27 |
主分类号 |
G01N29/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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