Ships – Mooring device – Boom type
Patent
1974-06-27
1976-08-10
Blix, Trygve M.
Ships
Mooring device
Boom type
37 58, 114 77A, 141287, 285 97, B63B 2156
Patent
active
039735125
ABSTRACT:
A system of subaqueous excavation and material removal having the combination of a hopper dredging vessel, hopper barges with independent dumping capacity and a prime mover vessel such as a tug, each barge having a stern notch and a bow portion which is contoured to be received in a like stern notch of an adjacent barge so that two or more barges can be arranged and affixed into an assemblage, end-to-end with bow portions fitting and secured into the stern notches. The dredging vessel and prime mover vessel also have like bow portions whereby they can connect into the assemblage. Rapid and effective securing of the assemblage, the dredging vessel and prime mover vessel are obtained through pneumatic fenders attached to the sides of the stern notches and a pneumatically controlled cushioning fender couple attached to the stem which is received between vertical expansible fenders at the apex of the stern notch. By expansion of the fender couple and the apex fenders, the vessel is effectively secured to the assemblage. In order to separate the assemblage and the vessel, the fender couple and the tubular members are deflated. Conduits to carry dredged material are located on each barge and the dredging vessel. Each has a tubular outlet extending proximate the bow portion which is received in a larger tubular inlet extending proximate the stern notch, there being an arrangement of annular members about the engaging conduits which are expansible and securely connect the conduits together whereby dredged material may be delivered from the dredging vessel simultaneously to each of the barges in the assemblage.
REFERENCES:
patent: 372761 (1887-11-01), Palmer
patent: 3362372 (1968-01-01), Peterson
patent: 3485200 (1969-12-01), Iozza
patent: 3508514 (1970-04-01), Vienna
patent: 3650238 (1972-03-01), Stockdale
patent: 3722556 (1973-03-01), Jeffers et al.
patent: 3754581 (1973-08-01), Taggart
Blix Trygve M.
Frankfort Charles E.
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