Babcock-wilcox

John Edward Chapman

An apparatus for insertion into a relatively long tube or conduit in order to inspect or perform operations on the interior thereof. The apparatus includes a device for performing an operation on the tube as well as a plurality of traction units secured at spaced locations along a connecting lead. The traction units include a gear train and one or more driving means.

Tube inspection and servicing apparatus

The invention is directed to a device adapted to be inserted within a heat exchanger header of restricted transverse dimensions, for locating tools in operative relationship to each of the apertures in the heat exchanger's tube plate, said device having gripping means to fixedly mount the device within the heat exchanger, means rotatably mounting a portion of the device, a first carriage moveably mounted on said rotatable portion in a direction along the axis of the device, a second carriage mounted on said first carriage and transversely moveable thereto and means on said second carriage for mounting the tools on said second carriage.

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Whyteleafe, United Kingdom

John Edward Chapman