LEAK-PROOF CONTAINERS, MADE FROM EXPANDABLE THERMOPLASTIC RESIN BEADS
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United States of America Patent
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Issued Date -
Mar 13, 2014
app pub date -
Sep 6, 2013
filing date -
Sep 10, 2012
priority date (Note) -
Abandoned
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Abstract
This invention discloses a leak proof disposable container, comprising of a bottom portion composed of expandable thermoplastic resin beads and a lidding film, for containing non-carbonated drinks or food products that do not require heating prior to consumption. The inventive container eliminates the use of polypropylene and polystyrene snap-on lids currently used for cups and containers. The snap-on lid is replaced with a thermoplastic lidding film, a leak proof seal is formed between the lidding film and upper flange of the bottom portion. Replacement of the snap-on lid with lidding film, reduces the weight of the disposable lidding material by 74 percent. Through the appropriate selection of materials, one can produce a leak proof container that is 100 percent recyclable under the #6 PS (polystyrene) symbol.
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