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US 4,289,252 AGranted
Hermetically sealed container
AssigneeContainer Corporation of America
InventorCharles R. Helms
Life of this patent
Estimating the term…
Abstract
A container body and lid arrangement wherein the body rim is of harder less flexible material than that of the lid and has a sharp peripheral edge adapted to bite into the material of the lid and effect a seal therebetween.
Claims8
In a hermetically sealable body and lid arrangement for a container, the combination of:
- (a) a lid formed of relatively soft, flexible, molded plastic material and including:
- (i) a top wall;
- (ii) an annular rim depending from said top wall;
- (iii) an annular flange extending radially inward from a lower portion of said rim and defining therewith and with said top wall an annular recess;
- (b) a tubular container body open at the top;
- (c) a container rim formed of relatively hard, non-flexible, plastic material and including:
- (i) an annular skirt secured within an upper marginal portion of said body;
- (ii) an annular flange extending radially outward from an upper portion of said rim for receipt with the recess of said lid;
- (iii) an annular sealing bead projecting radially outward from said flange and presenting a pointed sharp peripheral edge adapted to dig into the rim of said lid to effect a seal between said lid and container.
6 more elements
Dependencies are inferred from the claim text.