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glass corks

glass stopper (GB)

Glasverschluss Glass stoppers were used to close wine bottles as early as the 17th century. They had to be ground specifically for very specific bottles and tied to the bottle. They were in use until the 19th century, but were too expensive for wide use. at decanters (especially with distillates) or Decanters they are still used today.

The German engineer Rudolf Gantenbrink (who caused a sensation in connection with a small robot in the Cheops pyramid) developed a “glass cork” that is firmly welded to the wine bottle. The opening takes place at a predetermined breaking point. Trial tests were carried out on the Chateau Ausone (St. Émilion). In the meantime, however, the project was discontinued because hairline cracks formed at the breaking point and the closure thus leaked. After that, there were very successful products from other companies. The brand is one of the best-known glass closures Vinolok (in the USA Vino-Seal). See also other alternative types of closures below closures,

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