Means for preventing dry burn in a paper-plastic dunnage bag

Details Means for preventing dry burn in a paper-plastic dunnage bag Means for preventing dry burn in a paper-plastic dunnage bag

1974-12-26

1976-03-16

Werner, Frank E.

Railway rolling stock

Special car bodies

Sleeping

105468, B60P 714

Patent

active

039440842

ABSTRACT:
A dunnage bag having multiple outer plies of paper and an inner ply of plastic has an air diffuser extending across the inflation valve outlet and connected to the bag to prevent dry burn from inflation of the bag by high-pressure air. The diffuser constitutes a porous flat member having an expanded thickness and through which an air stream is expanded by deforming the member spherically outwardly, thereby to diffuse the flow of air and prevent any vibratory forces tending to produce a dry burn effect on the plastic ply opposite the valve outlet.

REFERENCES:
patent: 2993217 (1961-07-01), Switlik
patent: 3414140 (1968-12-01), Feldkamp
patent: 3868026 (1975-02-01), Baxter

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