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US 5,665,462 AGranted
Closure
AssigneeDewco Investments Pty Ltd
InventorGeorge Galloway Dewar
Life of this patent
Estimating the term…
Abstract
A closure for a container having an opening, comprising a resilient mass of interlocked and/or otherwise associated synthetic and/or natural fibres having a density of 0.18 to 2.00 g/cm.sup.3, wherein the closure is of suitable shape and density to enable the closure to be sealingly inserted into the opening of said container.
Claims29
A closure for a container having an opening, comprising:
- (i) at least one resilient mass of fibres selected from synthetic fibres, natural fibres and mixtures thereof, said at least one resilient mass of fibres having a density of 0.15 to 2.00 g/cm.sup.3 and having one of an interlocked structure, an associated structure and a combination thereof;
- and
- (ii) one or more additives, wherein the additives function to coat, impregnate or coat and impregnate at least a portion of the resilient mass of fibers, wherein the at least resilient mass and one or more additives form the closure, the closure being essentially impermeable to liquids and gases and, further, being sized and having a density to enable the closure to be sealingly inserted into the opening of said container.
Dependencies are inferred from the claim text.