Powder filling method
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United States of America Patent
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May 12, 1998
Grant Date -
N/A
app pub date -
Oct 8, 1996
filing date -
Oct 12, 1995
priority date (Note) -
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Abstract
In a powder filling method for supplying the powder from a powder supply hopper into a container, the air inside the hopper and/or the container is pressured and then restored to an atmospheric pressure by discharging the pressured air in the hopper and/or the container. With this method, even a powder of an inferior filling performance can be filled into a container to a high density.
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