Patent ID: 6059890
Filing Date: 2000-05-09
Classification: B08B,E21B

Abstract:
A method for removing contaminants from an interior wall of a pipe, the method comprising the steps of:providing:a body;at least one securing chain having one end fixed to the body and a free end;at least one clamp secured to the body, the clamp being adapted to receive and secure the free end of the securing chain; andan eccentric drive motor secured to the body;providing a pipe with sand and silt contaminants clinging to an interior wall of the pipe;positioning the body on an exterior surface of the pipe;securing the body to the pipe by wrapping the free end of the at least one securing chain around the pipe and securing said free end in the at least one clamp;suspending the pipe by means of a line; andactivating the eccentric drive motor to impart vibration to the pipe and facilitate dislodging the sand and silt contaminants from the interior wall of the pipe by such vibrations.