Praxair Technology, Inc.

John William Hoose

Mark H Marvin

David H Bothell

Peggy L Sims

Steven Robert Lalumandier

Joseph Lee Greene

Thomas J Cowling

An apparatus for inspecting an conduit such as a furnace tube comprising at least first and second module shells, each shell having an axially contoured exterior, and a flexible, non-jointed intermodule connector joining the first and second shells. Preferably, each module has a length that is 1.0 to 2.4 times its outer diameter and the connector has a length that is 0.5 to 2.0 times the outer module diameter.

Furnace tube inspection apparatus

A method for cleaning furnace headers using a cleaning module for cleaning pipes, having a flexible body with a cleaning surface and a nose at each end, the nose being tapered to a tip. The dimensions of the cleaning module are such that the ratio of the overall length to the diameter is about 1.5 to about 1.75 and the ratio of overall length to nose length is about 5 to about 10.

Method of cleaning furnace headers

Growing community of inventors

Spring, TX, United States of America

John William Hoose