James Alan Bauer, George Franklin Dailey, Mark William Fischer, Dwight Owen Willaman, Michael J Metala: Remote spray coating of nuclear cross-under piping. Siemens Westinghouse Power Corporation, Siemens Corporation, January 10, 2002: US20020003173-A1 (2 worldwide citation)

A machine (10) that can clean and spray coat the inside of a hollow pipe (14) can contain a support bar (16) and associated motors (6 and 8) with a moveable carriage (12) which mounts a thermal spray coating device (28) and/or an abrasion cleaning/profiling head (30) where a programmable controller ...