Casing

A direct-jacked pipe in a two pass system that supports a bore. The casing is not a carrier pipe.

Casing Adapter

A circular mechanism to provide axial and lateral support of a smaller diameter casing than that of the casing pusher.

Casing Pipe Method

Method in which a casing, generally steel, is pipe jacked into place, within which a product pipe is inserted later.

Casing Pusher

The front section of a boring machine that distributes the thrusting force of the hydraulic cylinders to the casing and forms the outside of the spoil ejector system.