Cargo air bag

Details Cargo air bag Cargo air bag

1985-05-16

1986-05-27

Kittle, John E.

Stock material or miscellaneous articles

Hollow or container type article

Cellular material derived from plant or animal source

410119, 410125, 206522, 428 68, 428126, B61D 4500, B65D 8102

Patent

active

045915199

ABSTRACT:
An air bag for bracing product shipped by a railcar, trailer or overseas container to prevent lengthwise and/or crosswise movement of the cargo. The air bag includes a first sheet of paperboard having parallel side and end edges folded inwardly defining a planar center section and overlapping sides and ends, a second sheet of paperboard of the same dimension as the center section facing the center section and having its marginal side and end edges interposed between the center section and the overlapping side and end sections of the first sheet and glued to the side and end sections, and an inflatable bladder between the two sheets. The bag is constructed of relatively stiff paperboard of a minimum of two laminated plys. Thus, the overlapping side and end edges of the first sheet define with the second sheet a peripheral border of a minimum of six laminated plys of paperboard. The bag has relatively good vertical stiffness when uninflated making it easy to use. The air bag is further characterized by its ease and economy of manufacture.

REFERENCES:
patent: 3028981 (1962-04-01), Ford et al.
patent: 3072270 (1963-01-01), Tolby et al.
patent: 3506143 (1970-04-01), Evans

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