Receptacles – Drain pan or drip pan
Reexamination Certificate
1999-11-08
2001-02-20
Pollard, Steven (Department: 3727)
Receptacles
Drain pan or drip pan
C222S108000, C141S31100A
Reexamination Certificate
active
06189720
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to a system using modular components for use in storing industrial drums. The drums are disposed to enable dispensing of drum contents during storage and components of the system are configured to facilitate use in combination with means for containing spillage or leakage of drum contents when such contents are of a hazardous nature.
BACKGROUND OF THE INVENTION
During storage of industrial drums, environmental and safety concerns and regulations warrant the use of means for stacking the drums in a secure and safe manner. Additionally such regulations may require the use of means for retaining drum contents when spilled in the course of dispensing or released due to drum leakage. Such containment is especially important when contents of the drums are hazardous to the environment or to personnel in the workplace.
Means for retaining spilled or leaked material are described in U.S. Pat. No. 5,307,931, U.S. Pat. No. 5,375,537, and U.S. Pat. No. 5,392,911, all of which are assigned to the assignee of the present invention. Such means comprise a rectangular retaining tray having a top grate member for supporting the drums. Certain embodiments of the present invention can be used in combination with such retaining means.
Components of the present invention are of a modular nature and can be combined in many configurations to provide for storage of one or a plurality of drums. Use of the system can be independent or in combination with the retaining means, depending on the contents of the drums.
SUMMARY OF THE INVENTION
Components of the modular industrial drum storage system of the invention are preferably roto-molded of a non-corrosive material such as polyethylene. Such system comprises four modular components: a stand for supporting a drum, a single drum stacker for supporting a single top drum vertically above a single bottom drum, a two-drum stacker for supporting two top drums vertically above two side-by-side bottom drums, and a container tray for use in supporting a container during dispensing of material from a drum to capture and direct any spilled material to a spill retaining means. Such modular units can be combined in a plurality of configurations to achieve storage requirements. The single-drum stacker incorporates means for bearing on a drum stand so as to safely stack the drums. The two-drum stacker bears on two side-by-side bottom drums thus providing stability for safe stacking. All of the components feature a channel for passage of spilled or leaked material to the retaining means. Ribbed portions of the components are provided for rigidity and strength for the components. The container tray can be engaged with the single drum or two-drum stacker and is movable for locating at other stackers even when drums are in place. Such feature enables relocation and use of a single container tray for dispensing material from a plurality of drums.
Other specific features and contributions of the invention are described in more detail below with reference being made to the accompanying drawings.
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Dixie Poly-Drum Corporation—Catalog.
Ultratech International, Inc.—Catalog.
Armstrong, Westerman Hattori, McLeland & Naughton
Eagle Manufacturing Company
Pollard Steven
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