Patent ID: 6102230
Filing Date: 2000-08-15
Classification: E04H,F17C,Y10S

Abstract:
A device for providing visual screening of a tank containing liquid propane or liquid natural gas having a weight, the tank designed to rest on a surface and having a top end with an upwardly facing surface, a bottom end, a sidewall connecting the top end and bottom end, the sidewall having an outer surface, the tank also including a shoulder where the top end meets the sidewall, the device comprising:a. a structure having an inner surface, a first end, a second end, a first at least one opening extending through said structure, said first at least one opening having a first area equal to 0.1 to 0.5 square inches times the magnitude of the weight in pounds of liquid propane or liquid natural gas that can be accommodated in the tank when full, wherein said first at least one opening is located so that when said structure is positioned to surround the tank, said second end is positioned about 4-6 inches above the surface on which the tank rests, said first at least one opening is positioned entirely beteen a horizontal plane intersecting the shoulder of the tank and said first end, further wherein said structure is configured to surround and substantially visually block the tank; andb. an attachment strap connected to said structure and engaging the upwardly facing surface of the tank, when said structure surrounds the tank, so as to cause said structure to be supported by the tank in fixed, spaced relation to the surface on which the tank rests.