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US 4,359,169 AGranted
Container end closure arrangement
AssigneeContainer Corporation of America
InventorsCharles R. Helms, Richard L. Bell
Life of this patent
Estimating the term…
Abstract
An end closure arrangement for a tubular container including a metallic foil membrane having a heat sealable coating on both sides thereof bonding said membrane between adjacent container and end closure rim surfaces.
Claims8
In a closure arrangement for a container having body and closure members with plastic rim portions, the combination of:
- (a) a tubular container member including a rim presenting a relatively flat, annular, axially outward facing, sealing surface;
- (b) a closure member including a rim presenting a relatively flat, annular, axially inward facing, sealing surface;
- (c) a relatively flat sealing membrane secured between said members and comprising:
- (i) a central panel formed of a relatively thin metallic foil;
- (ii) a heat activatable coating of plastic material on the inner surface of said central panel bonding said membrane to said container rim surface;
- (iii) a heat activatable coating of plastic material on the outer surface of said central panel bonding said membrane to said closure member rim surface.
3 more elements
Dependencies are inferred from the claim text.