|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||220/429 ; 220/1B ; 220/5R ; 220/5A|
|발명자 / 주소|
|인용정보||피인용 횟수 : 25 인용 특허 : 6|
A double-walled leak containment system for an underground storage tank is provided. The underground storage tank is surrounded, in order, by an inner polymeric containment layer, a liquid transmissive textile, and an outer polymeric containment layer. The outer polymeric containment layer is advantageously formed by spray coating the textile.
A leak containment system of improved tensile, impact and abrasion strength, said system comprising a storage tank surrounded by a liquid transmissive geotextile which is a fabric, further encased by a stretchable, conformable fabric, said stretchable, conformable fabric being coated with, and partially impregnated by in the range of about 40 to 70% of its depth, an elastomer which is a polyurethane useful for preparing a fuel-resistant, hydrolysis-resistant containment layer, said elastomer forming an outer polymeric containment layer, said outer layer ...