|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||156/071; 052/249; 052/268; 052/389; 052/743; 156/305; 156/337; 220/001.B; 220/005.A; 220/218; 220/453|
|우선권정보||DE-0018135 (1982-05-14); DE-0024869 (1982-07-02)|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 2 인용 특허 : 2|
A storage tank for liquid bitumen including a steel shell having heat insulation adjacent to its interior surface. The insulation is glass foam. Preferably, the insulation is in the form of glass foam panels which are initially arranged with gaps between them. When the tank is filled for the first time, the liquid bitumen penetrates into the gaps and solidifies therein to permanently interconnect the glass foam panels. A glass foam insulating cover floats on the surface of the liquid bitumen, and a heating unit is located within the tank.
1. A method of fabricating a storage tank for liquid bitumen comprising the steps of: assembling a steel shell of individual steel panels to surround a liquid bitumen holding volume, inserting glass foam panels into the shell, adjacent to the interior surface of the shell, and leaving labyrinthian gaps between the individual panels, leaving the gaps empty of any material during fabrication of the storage tank, and filling the holding volume with liquid bitumen so that the latter fills the gaps and solidifies therein to permanently interconnect the ...