초록 ▼

A cargo container is manufactured using mash seam welding or CO.sub.2 laser welding technology. Automatic welding replaces the multiple sheets of corrugated steel used for the side and roof panels with continuous coils of steel, resulting in lower material costs and reduced material handling. A sing

A cargo container is manufactured using mash seam welding or CO.sub.2 laser welding technology. Automatic welding replaces the multiple sheets of corrugated steel used for the side and roof panels with continuous coils of steel, resulting in lower material costs and reduced material handling. A single horizontal mash-weld or CO.sub.2 laser weld seam is needed to produce each panel, which are produced by joining two side-by-side sheets at their inner edges. Press and die assembly forms reinforcing ribs. Each panel has four straight welding edges, which enable automated welding. The cargo container includes a frame assembly made of tubular beams.

대표청구항 ▼

[ I claim:] [2.] A cargo container comprising:a frame assembly;a front panel, two side panels, a door panel, a roof panel, and a floor panel all attached to the frame assembly by welding,wherein at least one of the front panel, the two side panels, the roof panel, and the floor panel has a reinforce

[ I claim:] [2.] A cargo container comprising:a frame assembly;a front panel, two side panels, a door panel, a roof panel, and a floor panel all attached to the frame assembly by welding,wherein at least one of the front panel, the two side panels, the roof panel, and the floor panel has a reinforced panel construction comprising:a first elongated metal sheet of a predetermined width;a second elongated metal sheet of a predetermined width positioned side-by-side and overlappingly joined to the first metal sheet along the adjacent longitudinal edges of first and second sheets;a plurality of elongated reinforcing ribs extending substantially perpendicularly to the longitudinal direction of the first and second metal sheets, the ribs all extending in one direction and equally spaced apart,wherein the panel is rectangular and the ribs end before the outer edges of the first and second joined metal sheets to provide four substantially flat continuous rectangular welding portions, each having a predetermined width of at least a 1/2 inch running along the peripheral edge of the panel.