Carton packaging invented in 1943 by the Swedish company Åkerlund & Rausing, which is now used for all kinds of drinks. It was developed by chemist Erik Wallenberg (1915-1999), engineer Harry Järund and sales manager Erik Torudd after many experiments, based on an idea by entrepreneur Ruben Rausing (1895-1983). Rausing and Wallenberg then founded the company "Tetra Pak AB" in 1951 (by the way, it was not until about 50 years after the revolutionary invention that Tetra Pak was forced to confirm that Wallenberg was the true inventor and Ruben Rausing was only a source of ideas). Completely new was the coating of cardboard (paper) with plastics. The name comes from the original tetrahedron shape (three-sided pyramid), which the carton pack used to take for manufacturing reasons. An already filled carton tube is clamped and cut off at a 90° angle. Tetra Pak was first used for milk in 1951.
The company has succeeded in making Tetrapak a synonym for all similar packaging, although today the most common type known as "Tetra Brik" is cuboid or brick-shaped. Since the 1980s, Tetra Pak has also been used for wine, although initially it was mostly used for simpler qualities. However, the EU wine market regulation that came into force in August 2009 now allows quality wines to be bottled in Tetra Pak within the EU. Apart from the aesthetic impression, Tetra Pak has the advantage that (compared to glass) the liquid is excellently protected against the influence of light and the cuboidal ones are easily stackable. In 2007, the trading company Cordier Mestrezat introduced Bordeaux wines bottled in Tetra Pak in Belgian supermarkets for the first time on a trial basis. A special straw with four parallel channels is included. This is intended to guide the wine broadly onto the tongue and imitate drinking from a glass. Other unorthodox forms are Bag-in-Box and KeyKeg. See also a complete list under wine vessels.