Undersea plow

Details Undersea plow Undersea plow

1976-10-27

1978-01-24

Taylor, Dennis L.

61 726, F16L 100, E02F 502

Patent

active

040696790

ABSTRACT:
An undersea plow is towed by a surface vessel to inscribe a pattern of marks on a marine bottom of questionable soil stability. The plow digs a trench large enough to be seen by sidescan sonar but does not bury itself so far in the soft soil that it cannot be towed at a reasonable rate. The plow is symmetrical about a horizontal line parallel to the path of the trench so that regardless of how the plow comes to rest when lowered, it will still dig the trench. Periodic sidescan surveys detect bottom soil movements by mapping changes in the pattern of marks created by the plow.

REFERENCES:
patent: 1100920 (1914-06-01), Seay
patent: 2067717 (1937-01-01), Lawton et al.
patent: 2144063 (1939-01-01), Irvin
patent: 3347054 (1967-10-01), Sherrod
patent: 3462963 (1969-08-01), Moore
patent: 3699693 (1972-10-01), Nelkin et al.
patent: 3788085 (1974-01-01), Holberg
patent: 3824798 (1974-07-01), Shiroyama et al.
patent: 3898852 (1975-08-01), Ezoe et al.

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