Protection elements for pipeline investigation devices
US8336406B2 · kind B2 · utility
0Cited by
27References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 11, 2008 |
| Grant date | Dec 25, 2012 |
| Priority date | — |
| Expiry date | Sep 9, 2028 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L55/28
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A conduit interrogation tool is provided that includes a pair of spaced apart contact elements that deform as the tool moves in the conduit. A deformation control member positioned proximate the contact element reduces or limits deformation of the contact element to a desired extent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.