|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||E04C-001/00 E04B-001/16 E04B-001/92|
|미국특허분류(USC)||052/741.4; 052/168; 052/381; 052/309.12|
|§371/§102 date||20030731 (20030731)|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 7 인용 특허 : 17|
A storage tank (100) with a pre-insulated outer tank (110) has been described, and a method for building such. For building a wall (112) of an outertank (110), a formwork ( 90) is erected with an inner partition (92) to which PVC-foam plates (10) have been attached, which at their inner surface ( 2) are provided with a coating (3) provided with gravel ( 4). Subsequently, concrete (94) is poured into the inner formwork space (93), which concrete attaches firmly to the gravel sticking out of the coating. On a floor (111), a coating layer ( 121) is applied...
The invention claimed is: 1. Storage tank, meant for storing cold liquids, comprising a concrete wall which at its inner side is provided with an insulation layer of PVC-foam and a coating provided with gravel between the PVC-foam and the concrete wall wherein the coating is liquid-tight and vapor-tight. 2. Storage rank according to claim 1, wherein the PVC-foam has an expansion coefficient and the coating has an expansion coefficient which is substantially equal to or comparable with the expansion coefficient of the PVC-foam. 3. Storage tank acco...