Groove shape for single butt welding and inspection method of weld zone thereof
US6450392B1 · kind B1 · utility
7Cited by
9References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 31, 2000 |
| Grant date | Sep 17, 2002 |
| Priority date | — |
| Expiry date | May 31, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K31/12
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A groove shape and an inspection method capable of securely recognizing existence of a weld flaw of a single butt weld zone by a nondestructive inspection, such as a radiograph test or an ultrasonic test, are provided. A groove shape where a concave portion 5 is formed on a butt surface 1b and a butt surface 2b of pipes 1, 2 which are weldments to be welded is prepared and the weld zone welded by single butt welding is inspected by a nondestructive inspection such as a radiograph test or an ultrasonic test.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.