发明名称 |
Ultrasonic testing of seams |
摘要 |
The seam of a pipe is tested sequentially from various directions and with differently directed test beams to search for differently oriented defects, and repeatedly for stepwise testing each portion of the same.
|
申请公布号 |
US4131026(A) |
申请公布日期 |
1978.12.26 |
申请号 |
US19750641910 |
申请日期 |
1975.12.18 |
申请人 |
MANNESMANNROHREN-WERKE AG |
发明人 |
RIES, KARL;KAISER, DIETER;JANNSEN, KLAUS-UWE |
分类号 |
G01N29/04;G01N29/06;G01N29/22;G01N29/44;(IPC1-7):G01N29/04 |
主分类号 |
G01N29/04 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|