Gas seal
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United States of America Patent
Stats
-
N/A
Issued Date -
Feb 1, 2007
app pub date -
Jul 20, 2006
filing date -
Jul 21, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Disclosed is a gas seal for sealing the upper opening of a large-volume container, the container exhibiting a wall encircling the opening. The gas seal comprises a gas holder foil 1 resting in its peripheral area in the area of the wall, at least four pinch plates 6 mounted circumferentially on the upper edge of the wall, and a sealing cord 4. The peripheral area of the gas holder foil 1 is overturned and the sealing cord 4 inserted circumferentially in the overturned gas holder foil 1. The pinch plates 6 squeeze the gas holder foil 1, in its overturned area, to the upper edge of the wall.
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