Patent ID: 6739469
Filing Date: 2004-05-25
Classification: B65D,E03B,Y02A

Abstract:
A water tank made of stainless steel and having a substantially cylindrical shape, comprising:a plurality of curved stainless steel panels, the curved stainless steel panels being coupled together to form a substantially cylindrical body of the water tank, each of the curved stainless steel panels including a number of holes and a first connecting portion extruded to the outside of the water tank; a plurality of fan-shaped stainless steel panels being disposed at an upper portion and a lower portion to form a cone-shaped top part and a cone-shaped bottom part of the water tank, respectively, each of the fan-shaped stainless steel panels including a number of holes and a first connecting portion extruding to the outside of the water tank; a plurality of packing members being inserted between the first and the second connecting portions; a plurality of reinforcing members, each having an L-shaped cross-section and a number of holes on one side portion and being arranged on both sides of the first and the second connecting portion; a number of bolts and nuts for coupling the curved stainless steel panels, fan-shaped stainless steel panels and the reinforcing members together by being inserted into the holes formed on the first connecting portions, the second connecting portions and the reinforcing members; a plurality of reinforcing bars, both end portions of each of the reinforcing bars being fixed to the fan-shaped stainless steel panels forming the top part and the fan-shaped stainless steel panels forming the bottom part, respectively; an air vent disposed on the center portion of the top part; and a drain pipe disposed on the center portion of the bottom part.