|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||220/5A ; 220/15 ; 220/66 ; 220/DIG ; 6|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 11 인용 특허 : 5|
A portable tank has a sloped bottom structure with a smooth internal bottom surface sloping along a single bend toward a bottom discharge opening in the bottom plate. The sloped bottom structure has upturned curved side portions merging with upwardly extending wall portions joining the vertical walls of the tank along a horizontal edge. The bottom structure is formed by forming a discharge opening in a flat bottom plate near one edge, forming a gap between the opening and the edge which diverges from the gap toward the edge, bending the sides of the plat...
A portable tank for liquid storage and transport having generally vertical sides and a sloped bottom for complete drainage of fluid from the tank, said bottom having upturned side portions that merge with upwardly extending wall portions terminating in a substantially horizontal upper edge, said bottom comprising: a generally flat, rectangular bottom plate having a plurality of edges; a discharge opening through said bottom plate near one of said edges; a bend in said bottom plate radiating from said discharge opening in a direction extending away from s...