Bottles and jars – Closures – Retained by bonding or adhesive means
Patent
1992-04-08
1994-12-13
Shoap, Allan N.
Bottles and jars
Closures
Retained by bonding or adhesive means
215349, 220359, B65D 5120
Patent
active
053722680
ABSTRACT:
A reinforced sheet material suitable for making innerseals and sealing membranes for containers. The sheet material comprises a layer of sealing material for bonding the sheet to a container, a layer of material substantially impermeable to air and moisture, and a reinforcing layer comprising at least two plies of monoaxially oriented film combined in lamination with the strong direction of at least one ply crossing the weak direction of another ply. Tabbed innerseals made from the sheet material of this invention exhibit less springback than do tabs of conventional tabbed innerseals. The invention also includes innerseals and sealing membranes made from the aforementioned sheet material and containers utilizing these innerseals and sealing membranes.
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Caretto Vanessa
Griswold Gary L.
Kirn Walter N.
Minnesota Mining and Manufacturing
Shoap Allan N.
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