A bulk material container and method for its use is provided. In one or more embodiments, the bulk material container includes: a lid with a lid reinforcement frame positioned substantially at least around the perimeter of said lid, a vertical stop on the exterior of the walls of said container that
A bulk material container and method for its use is provided. In one or more embodiments, the bulk material container includes: a lid with a lid reinforcement frame positioned substantially at least around the perimeter of said lid, a vertical stop on the exterior of the walls of said container that contacts a projection from an interior wall of said container when one of said bulk material containers is stacked in another, a modular design in which the walls and base of the bulk material container are detachable and replaceable, a stiffening ring positioned around the perimeter of the container walls near their vertical top, and a lid having a lateral motion restraining a system to restrain the lateral motion of one container stacked on another.
대표청구항▼
1. A bulk material container comprising: container walls, wherein said container walls extend substantially vertically from a base to form an opening at their upper extent, wherein said opening describes a shape having a perimeter, wherein at least one container wall has a series of projections and
1. A bulk material container comprising: container walls, wherein said container walls extend substantially vertically from a base to form an opening at their upper extent, wherein said opening describes a shape having a perimeter, wherein at least one container wall has a series of projections and recesses in an interior of said at least one container wall, wherein said at least one container wall includes a vertical stop configured to stop downward movement of said bulk material container, wherein said vertical stop is positioned in one of the recesses on an exterior of said at least one container wall, and wherein a bottom side of said vertical stop is configured to contact a top side of one of said projections of an identical bulk material container during stacking;a container lid, wherein said container lid is disposed in said opening and supported by said upper extent of said container walls;a lid frame located at least in substantial conforming relationship to said perimeter,wherein said lid frame provides structural reinforcement for said container lid, andwherein said lid frame is a separate element from said container lid; anda stiffening hoop installed around said perimeter of said container walls, wherein said stiffening hoop constrains the outward motion of said container walls. 2. The container of claim 1 wherein said lid frame is composed of a different material from said container lid. 3. The container of claim 2 wherein said container lid includes a structure to receive said lid frame. 4. A bulk material container comprising: a plurality of container walls, wherein said container walls may be detached from each other and replaced, wherein at least one container wall has a series of projections and recesses in an interior of said at least one container wall, wherein said at least one container wall includes a vertical stop configured to stop downward movement of said bulk material container, wherein said vertical stop is positioned in one of the recesses on an exterior of said at least one container wall, wherein a bottom side of said vertical stop is configured to contact a top side of one of said projections of an identical bulk material container during stacking, and wherein said container walls include an upper lip proximal to their upper extent;a container base, wherein said container based is adapted to receive said container walls, wherein said container base is detachable from said plurality of container walls;a plurality of U-shaped portions that are positioned under said upper lip and joined together;a container lid supported by an upper extent of said plurality of container walls; anda lid frame located at least in substantial conforming relationship to an upper perimeter of said container walls, wherein said lid frame provides structural reinforcement for said container lid, and wherein said lid frame is a separate element from said container lid. 5. The container of claim 4 wherein said plurality of container walls includes four container walls that assemble to form a rectilinear container. 6. The container of claim 4 wherein said container base includes a top lip. 7. The container of claim 6 wherein said container walls are placed inside said top lip of said container base to restrain the outward motion of the bottom edges of said container walls. 8. A bulk material container comprising: a plurality of container walls, wherein said container walls may be detached from each other and replaced, wherein said container walls extend substantially vertically from a base to form an opening at their upper extent, wherein said opening describes a shape having a perimeter, wherein at least one container wall has a series of projections and recesses in an interior of said at least one container wall, wherein said at least one container wall includes a vertical stop configured to stop downward movement of said bulk material container, wherein said vertical stop is positioned in one of the recesses on an exterior of said at least one container wall, wherein a bottom side of said vertical stop is configured to contact a top side of one of said projections of an identical bulk material container during stacking;a stiffening hoop installed around said perimeter of said container walls, wherein said stiffening hoop constrains the outward motion of said container wallsa container lid supported by said upper extent of said plurality of container walls; anda lid frame located at least in substantial conforming relationship to said perimeter,wherein said lid frame provides structural reinforcement for said container lid, and wherein said lid frame is a separate element from said container lid. 9. The container of claim 8 wherein said container walls include an upper lip around their exterior perimeter. 10. The container of claim 9 wherein said stiffening hoop is installed under said upper lip. 11. The container of claim 8 wherein said stiffening hoop is a tube made of metal. 12. A system for stacking bulk material containers, said system comprising: a first bulk material container having a container lid,wherein said lid includes a lid frame extending substantially around the perimeter of said lid and installed into structure in said lid; anda second bulk material container having a base, wherein said base includes a rigid structural element,wherein said container lid includes a fixed structure that cooperates with said rigid structural element to restrain the lateral motion of said second bulk material container relative to said lid;wherein said first bulk material container includes container walls forming an opening at their upper extent, wherein said opening describes a shape having a perimeter, wherein at least one container wall has a series of projections and recesses in an interior of said at least one container wall, wherein said at least one container wall includes a vertical stop configured to stop downward movement of said bulk material container, wherein said vertical stop is positioned in one of the recesses on an exterior of said at least one container wall, wherein a bottom side of said vertical stop is configured to contact a top side of one of said projections of an identical bulk material container during stacking,wherein a stiffening hoop is installed around said perimeter of said container walls, and wherein said stiffening hoop constrains the outward motion of said container walls. 13. The system of claim 12 wherein said fixed structure of said container lid is at least one ridge positioned near the edge of said container lid. 14. The system of claim 12 wherein said rigid structural element of said second bulk material container base is the exterior of a foot of said base. 15. The system of claim 14 wherein said fixed structure of said container lid further includes at least one ridge positioned transversely substantially across said container lid. 16. The container of claim 1 wherein said vertical stop is configured to reduce friction between said bulk material container and said identical bulk material container during stacking. 17. The container of claim 1 wherein said series of projections and recesses in said interior of said at least one container wall are configured to guide said bulk material container into said identical bulk material container during stacking. 18. The container of claim 1 wherein said vertical stop is configured so that a bottom of said bulk material container does not contact a bottom of said identical bulk material container during stacking. 19. The container of claim 1 wherein said container lid has protruding exterior lateral motion restraints and protruding interior lateral motion restraints that are configured to receive an exterior base of said identical bulk material container during stacking. 20. The container of claim 1 wherein said base is physically connected to said container walls, and wherein said base includes a hopper and forklift apertures.
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이 특허에 인용된 특허 (35)
Stolzman, Michael D., Bulk container with cap and pallet base.
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