Apparatus to drill and tap a hollow underwater member

Details Apparatus to drill and tap a hollow underwater member Apparatus to drill and tap a hollow underwater member

1988-06-03

1989-09-05

Bilinsky, Z. R.

Metal working

Plural diverse manufacturing apparatus including means for...

Type of machine

405211, 408 22, 408137, B23B 4514, B23G 124, E02D 560

Patent

active

048625680

ABSTRACT:
An apparatus of reinforcing a hollow underwater member of an offshore platform which includes removable power-actuated motors, retaining means for preventing rotational movement of the motors relative to the retaining means while permitting axial movement of the motors, a drill and tap operatively connected to and driven by the motors for forming at least one port through a side wall of the hollow underwater member, and means operatively engageable with the motors for controlling the axial movement of the drill and tap in at least one direction during a port-forming operation.

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