IDEA #9A7FT3 Device for inspection of pipes

In order to facilitate introduction of an inspection pig through an introductory conduit having a smaller diameter and into a pipeline of large diameter and transporting a fluid, in particular gas or oil, the invention proposes a device for inspection of pipes having sensors disposed about an outer periphery thereof having radially expandable inspection units (6, 7), wherein, in particular, a front and a rear inspection unit (6, 7) having sensors (15; 15') displaced with respect to each other in a peripheral sense can be moved axially towards each other. https://app.acclaimip.com/pdf/LEp2d5N1-hJESnYSdnX6Hi89cQndtBnmi66x2S0/US6196075
For more information or to license this innovation: