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US 2002/0117466 A1Published application
Easy opening closure
OwnerMichael S. Gzybowski, Donald G. Roseinventors
Life of this patent
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Abstract
A closure for receptacles such as bottles which includes an annular sealing member which is internally reinforced by a cylindrical core. The cylindrical core includes a helically or spirally shaped frangible structure along which the cylindrical core can be pulled, stripped, unwound or torn apart. The closures can be pressed into receptacles using conventional methods. To remove the closures, one pulls, strips or tears the cylindrical core apart. The remaining, unreinforced annular sealing member can be easily removed.
Claims8
A closure for receptacles which comprises:
- a cylindrical core member which comprises a helically or spirally wound web member that can be stripped apart by pulling an end thereof.
A method of removing a closure from a receptacle which comprises:
- providing a receptacle which is sealed with a closure having a strippable core member;
- and
- pulling the strippable core member apart in a helically or spiral manner to form an elongate web which is removed from the receptacle.
Dependencies are inferred from the claim text.