Apparatus and method for vacuum packaging solid drilling fluid additives
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United States of America Patent
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Oct 19, 2021
Grant Date -
Jul 11, 2019
app pub date -
Jan 8, 2019
filing date -
Jan 8, 2018
priority date (Note) -
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Abstract
This invention relates to an apparatus and method for vacuum packaging drilling fluid additives and is particularly effective for low bulk density material. Vacuum sealing technology is employed to decrease the volume of the additive, thereby enabling packaging of larger quantity of additive per bag, effective utilization of storage space and reduced transportation costs. The invention overcomes the drawback of conventional vacuum packing machines where the material being packaged drifts out of the packaging bag into the vacuum chamber on vacuum creation and further deposits on the sealable portion at the open end of the bag leading to ineffective sealing of the bag opening. The apparatus of the invention is modified to increase the headspace between the sealing element of the apparatus and drilling fluid additive being sealed, thereby eliminating the movement of the additive into the vacuuming chamber and deposit on the bag opening.
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