Method for transporting goods by freighter from an arctic port t

Details Method for transporting goods by freighter from an arctic port t Method for transporting goods by freighter from an arctic port t

1984-01-12

1986-03-25

Basinger, S. D.

Ships

Towing or pushing

Nested vessels

114249, B63B 2100

Patent

active

045775788

ABSTRACT:
A method for transporting goods by freighter over a route from an arctic port to an ice-free port, using ice-breaking freighters, the route including an ice-edge, the method characterized in that the ice-breaking freighters are used only for the route run between the arctic port and the ice-edge, the location of which varies according to the time of the year and wherein ice-strengthened freighters are used for the route run between the ice-edge and the ice-free port, the goods being transshipped, in the ice-edge area, at sea, from the ice-breaking freighters directly to the ice-strengthened freighters. Also disclosed is a ship, more particularly an ice-breaking freighter, adapted to be coupled in tandem to at least one other ship, the freighter comprising a substantially spherical convex surface constituting the stern thereof and a bow comprising a substantially vertically disposed concave channel having a substantially arcuate cross-section, the radius thereof corresponding to that of the spherical surface, thus making it possible for the bow of the freighter to be cooperatively coupled flexibly to the stern of a further ship, having the spherical convex surfaced stern or the stern of the freighter to be cooperatively coupled flexibly to the bow of a further ship having a bow compressing the concave channel.

REFERENCES:
patent: 1005236 (1911-10-01), Larr
patent: 3362372 (1968-01-01), Peterson
patent: 3485200 (1969-12-01), Iozza
patent: 3698349 (1972-10-01), Stevens
patent: 3934529 (1976-01-01), Gallagher
patent: 4083317 (1978-04-01), Chaney
patent: 4395178 (1983-07-01), MacDonell
patent: 4465012 (1984-08-01), Bos

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