Plastic film package with perforated edge portions
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 14, 1992
Grant Date -
N/A
app pub date -
Dec 19, 1990
filing date -
Dec 22, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A package is disclosed which includes an enclosed article, and a thermally shrinkable, synthetic resin film enclosing the article and having opposite, first and second edge portions, the first edge portion being superimposed on and sealed to the second edge portion to form a sealed, overlap portion, the film having perforations arranged in a row in at least one of the first and second edge portions and a coating of a seal-preventive agent provided in part of the overlap portion for weakening the seal in the overlap portion.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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