Backscatter detection inspection apparatus for tubular goods
US4580053A · kind A · utility
6Cited by
15References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 17, 1983 |
| Grant date | Apr 1, 1986 |
| Priority date | — |
| Expiry date | Jan 17, 2003 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N23/203
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Disclosed is a device employing radiation emission and backscatter detection for inspection of tubular goods for defects. A shutter mechanism is interposed between the radiation source and the tubular goods during inspection operations to control the transmission of radiation. The shutter mechanism is electrically activated to an open position and resiliently biased to a closed position. When the shutter mechanism is deactivated, it is automatically closed to prevent undesired emission of harmful radiation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.