초록 ▼

A flexible lightweight drip berm comprising a pillow having an inner area which receives a hydrocarbon absorbing pad. A opening in the upper surface allows access to the pad and inner area. A retractable screen secures and protects the pad while allowing entry of hydrocarbon material. A lower pocket

A flexible lightweight drip berm comprising a pillow having an inner area which receives a hydrocarbon absorbing pad. A opening in the upper surface allows access to the pad and inner area. A retractable screen secures and protects the pad while allowing entry of hydrocarbon material. A lower pocket is provided to retain weighted material when necessary.

대표청구항 ▼

[ What is claimed is:] [1.] A drip berm comprising:a case having a floor layer and an upper layer, said floor layer and said upper layer being united about their peripheral edges with a non-porous seal forming an inner area;said upper layer having a central open area over a major portion thereof, sa

[ What is claimed is:] [1.] A drip berm comprising:a case having a floor layer and an upper layer, said floor layer and said upper layer being united about their peripheral edges with a non-porous seal forming an inner area;said upper layer having a central open area over a major portion thereof, said open area being defined by a plurality of inner edges;a pad disposed within said inner area, said pad being capable of absorbing hydrocarbons;a screen having a plurality of outer edges, said screen being secured along a first outer edge of said plurality of outer edges along a first inner edge of said plurality of inner edges, said screen being slightly larger than said open area so that said outer edges extend beyond said inner edges of said upper layer; whereby,said screen acts to access liquid into said inner area and to secure said pad within said inner area when said outer edges of said screen are beneath said inner edges of said upper layer and said screen allows removal of said pad from said inner area when folded back along said first outer edge.