Carton blank, especially for use in containers for food products
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United States of America Patent
Stats
-
Oct 15, 1991
Grant Date -
N/A
app pub date -
Oct 19, 1988
filing date -
Oct 21, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A carton, blank, especially for use for containers for food products is composed to provide maximum safety against leakage from the container, and to safeguard against gas passage through the container wall. For this object the carton blank is built up as a laminate of paperboard (1), and paper (2) of the greaseproof kind, an adhesive layer, such as a polyolefine layer (3) being used, and said basic member (1, 2, 3) is on both sides provided with external layers (4, 5) of polyolefine. The adhesive layers (3, 4, 5) may, additionally, have dye pigments added to provide impermeability to light.
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