초록 ▼

A liquid storage and dispensing tank for use individually or for use in a stacked manner. The tank has an upper sump formed therein which collects the liquid in the tank when the tank has been turned upside down to completely drain liquid from the tank. The upper end of the tank has a pocket formed

A liquid storage and dispensing tank for use individually or for use in a stacked manner. The tank has an upper sump formed therein which collects the liquid in the tank when the tank has been turned upside down to completely drain liquid from the tank. The upper end of the tank has a pocket formed in a raised central portion thereof which receives a bottom sump of a tank stacked thereupon. The tank has a pair of forklift pockets formed in the bottom thereof which are accessible from the front of the tank. The tank also has conveniently accessible fill and drain openings. The tank is comprised of one-piece plastic and is formed by rotational molding or the like.

대표청구항 ▼

1. A plastic container for storing and dispensing a liquid, comprising:a front wall, back wall, opposite side walls, a top and a bottom;a top sump extending upwardly from said top adjacent said back wall and having a selectively closable drain/fill opening formed therein;said bottom having an elonga

1. A plastic container for storing and dispensing a liquid, comprising:a front wall, back wall, opposite side walls, a top and a bottom;a top sump extending upwardly from said top adjacent said back wall and having a selectively closable drain/fill opening formed therein;said bottom having an elongated bottom sump formed therein positioned between said front and back walls and which has forward and rearward ends;said elongated bottom sump being positioned approximately midway between said opposite side walls;said forward end of said bottom sump having a selectively closable drain opening formed therein;said top having a selectively closable fill opening formed therein adjacent one of said opposite side walls. 2. The container of claim 1 wherein said top sump is positioned midway between said opposite side walls. 3. The container of claim 1 wherein a valve is positioned in said drain opening in said forward end of said bottom sump. 4. The container of claim 1 wherein said bottom has a pair of spaced-apart forklift pockets molded therein which extend between said front wall and said back wall. 5. The container of claim 1 wherein said forward end of said bottom sump is recessed inwardly of said front wall. 6. The container of claim 1 wherein the container is of one-piece molded construction. 7. The container of claim 6 wherein said bottom has a pair of spaced-apart forklift pockets molded therein which extend between said front wall and said back wall. 8. A liquid storage and dispensing system, comprising:a support stand having an upper end with support legs extending downwardly therefrom for engagement with a supporting surface;a first plastic tank positioned on said stand comprising: a front wall, back wall, opposite side walls, a top and a bottom; a top sump extending upwardly from said top adjacent said back wall and having a selectively closable drain/fill opening formed therein; said bottom having an elongated bottom sump formed therein positioned between said front and back walls and which has forward and rearward ends; said forward end of said bottom sump having a selectively closable drain opening formed therein; said top having a selectively closable fill opening formed therein adjacent one of said opposite side walls; said top wall having a pocket formed therein;a second plastic tank positioned on said first plastic tank comprising: a front wall, back wall, opposite side walls, a top and a bottom; a top sump extending upwardly from said top adjacent said back wall and having a selectively closable drain/fill opening formed therein; said bottom having an elongated bottom sump formed therein positioned between said front and back walls and which has forward and rearward ends; said forward end of said bottom sump having a selectively closable drain opening formed therein; said top having a selectively closable fill opening formed therein adjacent one of said opposite side walls;said bottom sump of said second tank being received in said pocket in said top wall of said first tank to prevent shifting of said second tank with respect to said first tank. 9. The system of claim 8 wherein said tops of said first and second tanks each have a raised central portion and wherein said pockets are formed in said central portions. 10. The system of claim 8 wherein said top sump in each of said tanks is positioned midway between said opposite side walls thereof. 11. The system of claim 8 wherein a valve is positioned in each of said drain openings in said forward end of said bottom sumps. 12. The system of claim 8 wherein said rearward end of each of said bottom sumps also has a selectively closable drain opening formed therein. 13. The system of claim 8 wherein said forward end of each of said bottom sumps is recessed inwardly of said front wall of each of said tanks. 14. The system of claim 8 wherein said bottom of each of said tanks has a pair of spaced-apart forklift pockets formed therein which extend between said front wall and said back wall. 15. The system of claim 8 wherein each of said tanks are of molded one-piece construction. 16. The system of claim 15 wherein each of said bottoms of said tanks have a pair of spaced-apart forklift pockets molded therein which extend between said front and back walls thereof. 17. A liquid storage and dispensing system, comprising:a first plastic tank positioned on said stand comprising: a front wall, back wall, opposite side walls, a top and a bottom; a top sump extending upwardly from said top adjacent said back wall and having a selectively closable drain/fill opening formed therein; said bottom having an elongated bottom sump formed therein positioned between said front and back walls and which has forward and rearward ends; said forward end of said bottom sump having a selectively closable drain opening formed therein; said top having a selectively closable fill opening formed therein adjacent one of said opposite side walls; said top wall having a pocket formed therein;a second plastic tank positioned on said first plastic tank comprising: a front wall, back wall, opposite side walls, a top and a bottom; a top sump extending upwardly from said top adjacent said back wall and having a selectively closable drain/fill opening formed therein; said bottom having an elongated bottom sump formed therein positioned between said front and back walls and which has forward and rearward ends; said forward end of said bottom sump having a selectively closable drain opening formed therein; said top having a selectively closable fill opening formed therein adjacent one of said opposite side walls;said bottom sump of said second tank being received in said pocket in said top wall of said first tank to prevent shifting of said second tank with respect to said first tank. 18. The system of claim 17 wherein said tops of said first and second tanks each have a raised central portion and wherein said pockets are formed in said central portions. 19. The system of claim 17 wherein said top sump in each of said tanks is positioned midway between said opposite side walls thereof. 20. The system of claim 17 wherein a valve is positioned in each of said drain openings in said forward end of said bottom sumps. 21. The system of claim 17 wherein said rearward end of each of said bottom sumps also has a selectively closable drain opening formed therein. 22. The system of claim 17 wherein said forward end of each of said bottom sumps is recessed inwardly of said front wall of each of said tanks. 23. The system of claim 17 wherein said bottom of each of said tanks has a pair of spaced-apart forklift pockets formed therein which extend between said front wall and said back wall. 24. The system of claim 17 wherein each of said tanks are of molded one-piece construction. 25. The system of claim 24 wherein each of said bottoms of said tanks have a pair of spaced-apart forklift pockets molded therein which extend between said front and back walls thereof. 26. A plastic container for storing and dispensing a liquid, comprising:a front wall, back wall, opposite side walls, a top and a bottom;a top sump extending upwardly from said top adjacent said back wall and having a selectively closable drain/fill opening formed therein;said bottom having an elongated bottom sump formed therein positioned between said front and back walls and which has forward and rearward ends;said forward end of said bottom sump having a selectively closable drain opening formed therein;said top having a selectively closable fill opening formed therein adjacent one of said opposite side walls;said rearward end of said bottom sump also having a selectively closable drain opening formed therein. 27. A plastic container for storing and dispensing a liquid, comprising:a front wall, back wall, opposite side walls, a top and a bottom;a top sump extending upwardly from said top adjacent said back wall and having a selectively closable drain/fill opening formed therein;said bott om having an elongated bottom sump formed therein positioned between said front and back walls and which has forward and rearward ends;said forward end of said bottom sump having a selectively closable drain opening formed therein;said top having a selectively closable fill opening formed therein adjacent one of said opposite side walls;said top wall having a pocket formed therein which receives the lower end of the bottom sump of a tank when a pair of tanks are stacked one upon the other. 28. The container of claim 27 wherein said top has a raised central portion and wherein said pocket is formed in said raised central portion.