Apparatus and methods of packaging particulates for settling
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United States of America Patent
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Mar 30, 2021
Grant Date -
Aug 23, 2018
app pub date -
Feb 17, 2017
filing date -
Feb 17, 2017
priority date (Note) -
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Abstract
A vertical fill, form and seal (VFFS) apparatus for particulates that facilitates the close-packing (“settling”) of the particulates such that a smaller package is needed to contain a mass of particulates in a charge to the VFFS apparatus. The former of the VFFS apparatus, and an associated film driver, move up and down synchronously and in a controlled manner. A partially formed bag, below the former, containing particulates is shaken up and down as the former moves up and down, while the packaging film travels downward continuously in the apparatus. The shaking causes the particulates to settle, and to increase in bulk density. This allows use of less packaging, and lowers use of transportation fuel. In an embodiment, an actuator is in mechanical communication with the former (and its associated film driver) to apply a vertical reciprocating force to the former.
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