Method and apparatus for unloading burden from a tow comprised o

Details Method and apparatus for unloading burden from a tow comprised o Method and apparatus for unloading burden from a tow comprised o

1982-04-29

1984-10-16

Paperner, Leslie J.

Material or article handling

Marine loading or unloading system

Marine vessel to/from shore

114251, 414786, B63B 2700, B65G 6302

Patent

active

044772203

ABSTRACT:
The burden from a tow of breast-tied strings of barges is unloaded by first mooring the tow to an access platform. The hard ties are removed from a first and then remaining string of barges after they are pulled against the platform. The barges of each string are provided with forward and aft soft ties and soft ties are provided between the forward and aft ends of successive strings. The softly-tied barges are advanced along a floating slip by a barge haul below two serially-arranged excavators. The burden is unloaded in two layers from each barge with each excavator removing one layer while the barges normally pass in only one direction continuously through the slip. After unloading, the empty barges are moored at a fleeting area where a tow is again formed by hard tieing the barges together.

REFERENCES:
patent: 3104766 (1963-09-01), Sasadi
patent: 3362546 (1968-01-01), Sale
patent: 3420388 (1969-01-01), Briggs
patent: 3497054 (1970-02-01), Van Kleunen
patent: 3770145 (1973-11-01), Uhrich

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