Apparatus useful in ultrasonic inspection of pipes

Claim 1

APPARATUS OF THE CHARACTER DESCRIBED FOR THE INSPECTION OF PIPE WHEREIN A TRANSDUCER IS MOUNTED TO TRANSMIT ENERGY PULSES INTO THE PIPE AND TO RECEIVE ECHO SIGNALS THEREFROM, THE COMBINATION OF, AN ELONGATED BODY FOR TRAVELING THROUGH SAID PIPE, SAID BODY INCLUDING MOUNTING MEANS TO PROVIDE A SUPPORT PORTION, MEANS MOUNTED ON SAID BODY FOR BEING MAINTAINED IN MOVING CONTACT WITH THE INTERIOR WALL OF THE PIPE WHEN SAID BODY IS INSIDE SAID PIPE, A TRASDUCER DISPOSED IN SAID SUPPORT PORTION, A PIPE-ENGAGING MEMBER, MEANS RESILIENTLY MOUNTING SAID MEMBER ON SAID BODY ADJACENT SAID INTERIOR WALL OF SAID PIPE, SAID MEMBER BEING SHAPED TO PROVIDE A WINDOW FOR THE TRANSDUCER, MEANS MOUNTING SAID TRANSDUCER ON SAID MEMBER FOR COUPLING SAID TRANSDUCER TO SAID WINDOW, AND, WATER CONDUIT MEANS IN SAID BODY COMMUNICATING WITH SAID WINDOW FOR THE FLOW OF WATER THROUGH SAID WINDOW TO COUPLE SAID TRANSDUCER TO SAID INTERIOR WALL.