Foamed low density polyethylene sheet material and carrier
AssigneeOwens-Illinois, Inc.
InventorJames E. Heider
Life of this patent
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Abstract
A foamed low density polyethylyne sheet material is provided which finds utility in the fabrication of carriers for attachment to cylindrical containers. The sheet material is formed from a composition comprising low density polyethelyne polymer, a blowing agent mixture, and mineral oil, on commercially available extrusion equipment, and in proportions sufficient to obtain a 10-20 percent reduction in weight without a corresponding reduction of specific properties.
Claims2
A carrier for production application to a plurality of cylindrical containers to support said containers in predetermined spatial relationships with one another, said carrier comprising a resilient, ductile, sheet material having a thickness of from about 0.014 inch to 0.018 inch, and a plurality of aligned openings sized to receive said cylindrical containers in supported relationship with said carrier, characterized in that said sheet material is a foamed low density polyethylene polymer having a density of from about 45 to about 55 pounds per cubic foot and an increased resistance to tearing and to the propagation of tears, by comparison with a sheet of the same polyethylene polymer at the same thickness, but in an unfoamed condition.
Dependencies are inferred from the claim text.