Ship with sinking prevention tank and method for manufacturing the same

Abstract

The present invention relates to a ship with sinking prevention tanks and a method for manufacturing the same wherein the ship includes: tank-retaining parts formed on the port and starboard sides of the bottom of a hull; the sinking prevention tanks insertedly disposed in the tank-retaining parts and having gas charging parts formed thereon so as to charge helium gas thereinto; a blocking wall adapted to block the top sides of the tank-retaining parts in which the sinking prevention tanks are insertedly disposed; gas supply lines connected to the gas charging parts formed on the sinking prevention tanks; and charging valves disposed on the inner side of the deck of the hull in such a manner as to be connected to the gas supply lines and thus to recharge the helium gas to the interiors of the sinking prevention tanks through the gas charging parts.

1 . A ship with sinking prevention tanks comprising:
 tank-retaining parts formed on the port and starboard sides of the bottom of a hull;   the sinking prevention tanks insertedly disposed in the rank-retaining parts and having gas charging parts formed thereon so as to charge helium gas thereinto;   a blocking wall adapted to block the too sides of the tank-retaining parts in which the sinking prevention tanks are insertedly disposed;   gas supply lines connected to the gas charging parts formed on the sinking prevention tanks; and   charging valves disposed on the inner side of the deck of the hull in such a manner as to be connected to the gas supply lines and thus to recharge the helium gas to the interiors of the sinking prevention tanks through the gas charging parts.   
     
     
         2 . The ship with sinking prevention tanks according to  claim 1 , further comprising: auxiliary tank-retaining parts formed on the center of the bottom of the hull; and auxiliary sinking prevention tanks insertedly disposed in the auxiliary tank-retaining parts and having the helium gas charged thereinto, the auxiliary sinking prevention tanks being connected to the gas supply lines and the charging valves. 
     
     
         3 . The ship with sinking prevention tanks according to  claim 2 , wherein each of the tank-retaining parts in which the sinking prevention tank is disposed has a urethane foam insertedly disposed therein so as to absorb the impacts caused by the destruction of the hull and to protect the sinking prevention tanks insertedly disposed therein. 
     
     
         4 . A method for manufacturing a ship with sinking prevention tanks, the method comprising the steps of:
 forming tank-retaining parts on the port and starboard sides of the bottom of a hull;   insertedly disposing a urethane foam in each of the tank-retaining parts;   insertedly disposing the sinking prevention tanks in the tank-retaining parts each having the urethane foam insertedly disposed therein;   blocking the top sides of the tank-retaining parts in which the sinking prevention tanks are insertedly disposed by means of a blocking wall;   connecting the sinking prevention tanks insertedly disposed in the tank-retaining parts to gas supply lines; and   connecting the gas supply lines connected to the sinking prevention tanks, to charging valves.