Device for the airtight closure of beverage bottles. The eponymous circular sheet metal piece with a crown has a press insert cork, or from the plastics that have long been used in the beverage industry polyethylene (PE), PVC or PVDC, A bottle cap used to have 24 points, today there are 21 points worldwide. With a suitable bottle neck shape, it is also possible to use a crown cap screw cap to use so that it can be opened and closed without a bottle opener. This is the case with French and American, for example beer bottles used. Another special form are crown caps with pull tabs (center picture). The bottle cap was patented in 1892 by the American inventor William Painter (1838-1906). He called his creation "Crown Cork". Today the term "stainless cap" is used. Initially, the closure was only used for beer bottles in the USA and quickly replaced the old shape of the flip-top bottle. Due to the great success, Painter founded the "Crown Cork and Seal Company" a year later, which is now one of the largest manufacturers of bottle caps and other beverage products.
During the bottle fermentation one sparkling wine are the bottles mostly closed with a crown cap. The final closure with a cork takes place only after the dégorgement (Removal of the yeast set) or only after adding a shipping Dosage, Bottle caps were first used in wine bottles in the 1980s. This used to be in many countries quality wines not permitted, but is now increasingly practiced. Nevertheless, there are, of course, discussions about whether there is a "loss of culture" in wine, profanely if a bottle "like a Coca Cola or a beer is opened ". The fact is that this is a very efficient and useful tool Mineral water, Fruit juices and beers has long been a tried and tested type of closure. Even with the conventional one cork problem of the Korkschmeckers can be avoided. See also other alternative types of closures below closures such as corkscrew,