초록 ▼

A container assembly for transporting bulk materials that includes a molded, one-piece completely integral non-metallic container insert and a frame supporting the container insert. The container insert can be molded of polyolefin. It can include walls having varying thicknesses, a bottom wall havin

A container assembly for transporting bulk materials that includes a molded, one-piece completely integral non-metallic container insert and a frame supporting the container insert. The container insert can be molded of polyolefin. It can include walls having varying thicknesses, a bottom wall having a thickness greater than the side walls, and/or reinforcing structures molded within the walls. The container assembly can be constructed to provide a substantially enclosed tank, a roll-off container, intermodal container, fixed truck box, or dump truck box.

대표청구항 ▼

[ What is claimed is:] [1.] An apparatus for transporting bulk materials, the apparatus comprising:a support frame formed of spaced-apart frame members;a non-metallic container insert located substantially within the open support frame, wherein the container insert is unsupported between the spaced-

[ What is claimed is:] [1.] An apparatus for transporting bulk materials, the apparatus comprising:a support frame formed of spaced-apart frame members;a non-metallic container insert located substantially within the open support frame, wherein the container insert is unsupported between the spaced-apart frame members, and further wherein the container insert comprises at least a front wall, a bottom wall, and opposing side walls that are provided as a molded, one-piece, completely integral unit, and still further wherein the bottom wall has a thickness that is greater than the thickness of at least one of the opposing side walls;at least one flange located on an exterior surface of at least one of the side walls of the container insert, wherein the at least one flange extends generally longitudinally along a longitudinal axis of the container insert, and further wherein at least one of the flanges rests on one of the spaced-apart frame members of the support frame; andretaining structure molded integral with an exterior surface of the container insert, the retaining structure being located along a single axis transverse to the longitudinal axis of the container insert, wherein the retaining structure, the container insert and the support frame cooperating to retain the container insert within the support frame, and further wherein the container insert can expand and contract along the longitudinal axis independent of the support frame.