Abstract: A stopper for use in a substantially cylindrical bottle opening having a substantially cylindrical shape to seal the bottle opening and including a first polymer portion and a second polymer portion, wherein the second polymer portion coaxially overlies the first polymer portion. In another embodiment, the stopper includes a third polymer portion wherein the first polymer portion coaxially overlies the third polymer portion. A method of protecting liquid in a bottle with a substantially cylindrical bottle opening including providing a stopper having a substantially cylindrical shape to seal the bottle opening and closing off the bottle by insertion of the stopper into the bottle opening. A method of producing a stopper for use in a substantially cylindrical bottle opening comprising extruding a first polymer portion through an extrusion die, coaxially coating the first polymer portion with a second polymer portion to form a body.

Abstract: A stopper for use in a substantially cylindrical bottle opening having a substantially cylindrical shape to seal the bottle opening and including a first polymer portion and a second polymer portion, wherein the second polymer portion coaxially overlies the first polymer portion. In another embodiment, the stopper includes a third polymer portion wherein the first polymer portion coaxially overlies the third polymer portion. A method of protecting liquid in a bottle with a substantially cylindrical bottle opening including providing a stopper having a substantially cylindrical shape to seal the bottle opening and closing off the bottle by insertion of the stopper into the bottle opening. A method of producing a stopper for use in a substantially cylindrical bottle opening comprising extruding a first polymer portion through an extrusion die, coaxially coating the first polymer portion with a second polymer portion to form a body.

Abstract: A stopper for use in a substantially cylindrical bottle opening having a substantially cylindrical shape to seal the bottle opening and including a first polymer portion and a second polymer portion, wherein the second polymer portion coaxially overlies the first polymer portion. In another embodiment, the stopper includes a third polymer portion wherein the first polymer portion coaxially overlies the third polymer portion. A method of protecting liquid in a bottle with a substantially cylindrical bottle opening including providing a stopper having a substantially cylindrical shape to seal the bottle opening and closing off the bottle by insertion of the stopper into the bottle opening. A method of producing a stopper for use in a substantially cylindrical bottle opening comprising extruding a first polymer portion through an extrusion die, coaxially coating the first polymer portion with a second polymer portion to form a body.

Abstract: A stopper for use in a substantially cylindrical bottle opening having a substantially cylindrical shape to seal the bottle opening and including a first polymer portion and a second polymer portion, wherein the second polymer portion coaxially overlies the first polymer portion. In another embodiment, the stopper includes a third polymer portion wherein the first polymer portion coaxially overlies the third polymer portion. A method of protecting liquid in a bottle with a substantially cylindrical bottle opening including providing a stopper having a substantially cylindrical shape to seal the bottle opening and closing off the bottle by insertion of the stopper into the bottle opening. A method of producing a stopper for use in a substantially cylindrical bottle opening comprising extruding a first polymer portion through an extrusion die, coaxially coating the first polymer portion with a second polymer portion to form a body.

Abstract: The invention relates to a stopper for use in a substantially cylindrical bottle opening. The stopper has a substantially cylindrical shape to seal the bottle opening and includes a first polymer portion and a second material portion, wherein the second material portion coaxially overlies the first polymer portion. In another embodiment, the stopper includes a third polymer portion wherein the first polymer portion coaxially overlies the third polymer portion. The invention also relates to a method of protecting liquid in a bottle with a substantially cylindrical bottle opening. The method includes providing a stopper having a substantially cylindrical shape to seal the bottle opening and closing off the bottle by insertion of the stopper into the bottle opening. The invention also relates to a method of producing a stopper for use in a substantially cylindrical bottle opening.

Abstract: The invention relates to a stopper for use in a substantially cylindrical bottle opening. The stopper has a substantially cylindrical shape to seal the bottle opening and includes a first polymer portion and a second material portion, wherein the second material portion coaxially overlies the first polymer portion. In another embodiment, the stopper includes a third polymer portion wherein the first polymer portion coaxially overlies the third polymer portion. The invention also relates to a method of protecting liquid in a bottle with a substantially cylindrical bottle opening. The method includes providing a stopper having a substantially cylindrical shape to seal the bottle opening and closing off the bottle by insertion of the stopper into the bottle opening. The invention also relates to a method of producing a stopper for use in a substantially cylindrical bottle opening.

Abstract: A stopper for use in a substantially cylindrical bottle opening is disclosed. The stopper is made of a synthetic elastomer body with a portion with a substantially cylindrical shape to seal the bottle opening. The elastomer body also contains a fiber portion or a plurality of fiber portions oriented substantially longitudinally in the elastomer body. The synthetic stopper is preferably designed to replace traditional wood bark corks in wine bottles. In one embodiment, the fiber reinforcement is in the form of a porous plug surrounded by an elastomer skin. In another embodiment, fibrous strips are dispersed throughout the stopper structure. The method of producing a stopper for use in a substantially cylindrical bottle opening is also disclosed as is a method of protecting a liquid in a bottle with a fiber reinforced synthetic elastomer stopper.