Foam in bag packaging system
AssigneeSealed Air Corporation
InventorsLaurence Burst Sperry, Anthony Orkin Davlin, Kerry Michael McKinley, George Teofilius Bertram
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Abstract
A method is disclosed for of enhancing the mixing of foam precursors in foam-in-bag precursor systems, to thereby enhance the quality of the resulting foam. The method comprises externally agitating a bag formed from plastic film material and containing separated foam-forming precursors, to thereby mix the precursors and form foam, and wherein the bag has been warmed to a temperature above ambient temperature prior to the agitation.
Claims15
A method of enhancing the mixing of foam precursors in foam-in-bag precursor systems, to thereby enhance the quality of the resulting foam, the method comprising:
- placing foam precursors in separate portions of a bag formed from a flexible barrier sheet material that is substantially impermeable to water vapor or other substances deleterious to the foam precursors;
- thereafter warming the bag and the enclosed separated foam precursors to a temperature above ambient temperature sufficient to provide the energy required for good foam quality with repeatable yield;
- and
- thereafter mixing the previously separated foam precursors.
A method of packaging articles in foam-in-place packaging that is particularly useful for manual packaging operations, the method comprising:
- placing foam precursors in separate portions of a bag formed from flexible barrier sheet material that is substantially impermeable to water vapor and other substances deleterious to the foam precursors and closing the bag;
- thereafter warming the bag and the enclosed separated foam precursors to a temperature above ambient temperature sufficient to provide the energy required for good foam quality with repeatable yield;
- thereafter mixing the previously separated foam precursors;
- placing an object into a packaging container;
- and
- placing the warmed bag with the mixed foam precursors in the packaging container.
Dependencies are inferred from the claim text.