Stelvin cap

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A metal screw-cap developed by the Alcan Packaging company to replace wine corks to reduce the occurrence of cork tainting. It also incorporates a small ventilation system to allow tiny amounts of air into the wine bottle to aid the wine maturation.

The reluctance over the adoption of this cap seems to be the brand degradation caused by using a screw-cap on a wine.

[edit] Links

The Alcan Stelvin web pages