Apparatus for patching a hole in the hull of a moving ship

Details Apparatus for patching a hole in the hull of a moving ship Apparatus for patching a hole in the hull of a moving ship

1990-02-06

1991-06-25

Heinrich, Sam

Metal fusion bonding

Including applicator movable during fusion

Means to move applicator

228 443, 228 45, 228119, 228 41, 2940209, 2940216, 114227, 114221A, B23K 3702, B23K 3704

Patent

active

050259725

ABSTRACT:
Apparatus for remotely placing and welding a patch over an underwater breach in the hull of a ship. The apparatus is lowered into position over the side of the ship by a winch and cable, then held against the ship's hull by electromagnets. The apparatus has a generally streamlined frame containing a chamber within which a patch plate is carried. Wheels are disposed on the frame to permit the frame to be driven along the hull and positioned over the breach. The patch plate is then moved into position against the hull and welded into place. Operation of the apparatus is viewed through video cameras and is remotely controlled by an operator on board the ship.

REFERENCES:
patent: 4216893 (1980-08-01), Glatthorn
patent: 4526311 (1985-07-01), Schroder
patent: 4729503 (1988-03-01), Niinivaara
patent: 4740257 (1988-04-01), Halls et al.
patent: 4762266 (1988-08-01), Schroder et al.
patent: 4821665 (1989-04-01), Matthias et al.

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