Hermetic seal for a plastic bag
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United States of America Patent
Stats
-
Jan 27, 1998
Grant Date -
N/A
app pub date -
Jul 5, 1995
filing date -
Jul 5, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A plastic bag manufacturing method to produce bags with a removable release strip in covering relation over an adhesive deposit adjacent an upper edge of the bag rear panel, in which the height of the release strip is increased to provide continuity along the length thereof to enable urging the strip, as required during the bag manufacturing process, in a machine direction, and the lower release strip portion is notched at locations coinciding with the bag side edges so that these bag side edges are fused for their entire lengths with no inhibiting of this fusing process by the release strip being in an interposed position between the overlying upper edges of the bag front and rear panels.
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