Method and apparatus for shipping bulk liquid, near-liquid and dry particulate materials
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Apr 22, 2003
Grant Date -
Sep 27, 2001
app pub date -
Feb 16, 2001
filing date -
Feb 16, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A flexible bladder is enclosed within a plurality of overlapping plastic sheets, with the ends of the sheets being secured in place by the weight of the flexible bladder, when filled. The preferred plastic is an extruded, twin-walled, fluted plastic based upon a polypropylene copolymer. In a alternative embodiment, a pair of hexagonal, coaxial sleeves of the preferred plastic have an internal bladder for shipping materials. With both embodiments, hot chocolate is pumped into the bladder and cooled, in situ, to stop the chocolate from cooking further. The container is shipped, and then the chocolate is heated to facilitate pumping the chocolate out of the container. The cooling and heating processes involve the use of a heat exchange pad located between the bladder and the inner sleeve.
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