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New bottle cap developed by Alcoa (Worms, Germany) for Wine- and Liquor bottles, which is colloquially referred to as "glass corks". In 2008, the business division "Closing Systems and Packaging Machines" (beverage industry) was sold to the "New Zealand's Rank Group". The Vino-Lok activities are now in the "Closure Systems International" division of this company. The series production began in 2004. The product development was carried out by scientists and wine experts of the University of Applied Sciences Geisenheim and the State Teaching and Research Institute Oppenheim-Rheinhessen accompanied with tests and studies. According to the manufacturer Vino-Lok offers high product safety and taste neutrality without the risks and weaknesses of one cork especially regarding the dreaded wine error corked, The closure is also fully recyclable.

Vinolok glass closure system and various glass corks

The closure is not glass on glass (this would not give a tight seal). The system consists of a closure and a closure cap (look it in transparent, or off PVC, Aluminum or tin). The cap (1) ensures the safety of the system during storage and during transport. The closure (2) is made of high quality glass and is resistant to mechanical damage. The sealing ring (3) consists of "Elvax by DuPont"; This plastic does not contain any plasticizers or allergens, The closure is (4) used manually or by means of a semi-automatic or fully automatic filling machine.

There are different sizes for bottlenecks with 17.5 mm; 18.2 mm; 18.5 mm; 20.0 mm; 21.5mm and 23.0mm. The closure is according to the manufacturer very low OTR values (Transfer rate of oxygen) too. As a result, the wines develop more slowly, which has a positive effect especially on red wines. The bottles can be opened with just one click and easily re-closed with a second click. In the video (click) that is clearly shown. See also other alternative types of closure below closures,

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