GAMMA FLAW DETECTOR Russian patent published in 2001 - IPC

FIELD: hose-type equipment for radiographic nondestructive inspection of industrial articles. SUBSTANCE: the device has a radiation head with a protection unit and interlocks, source of gamma- radiation fastened on a flexible holder, hand drive with a toothed rope providing for movement of the source with the flexible holder to the object of inspection over the ampoule conduit connected to the radiation head. EFFECT: signaling on the position of the source obtained directly from the source, reduced contribution of scattered gamma- radiation over the protection unit channel to the total dose behind the protection, reduced mass of the protection unit, introduced interlock between the connection of the ampoule conduit and the lock, enhanced safety of handling of the flaw detector and its mobility. 4 dwg