Hair dryer

A hair dryer, hair dryer or hair dryer (even hot air shower) is an electrical device for drying wet hair, as after shampooing, swimming or bathing. The name hairdryer is a registered since 1908 Bild-/Wortmarke AEG Domestic Appliances GmbH, Nuremberg. Today, for the AEG- hairdryer applies the figurative mark registered since 1941 FOEN.

The word hair dryer / hair dryer

The term " hair dryer " is derived from the foehn wind.

Before the reform, the German spelling of 1996, the usual term for hair dryer was the same as the brand name " hairdryer " written so that the word of the foehn wind, which enrolled previously seen with h, could be distinguished. 1996 this spelling was changed to " hair dryer "; the word mark " hairdryer " is not affected.

Operation

Using a forced air is passed through current-carrying heating wires. The filaments are wound on insulating mica plates. The hot air thus produced is blown through towel-dried hair; Work should avoid overheating of the hair. Water molecules inside the hair might otherwise show reactions that destroy the hair strand.

Some manufacturers offer models with built-in ionizer, which is said to have an anti-static effect on the hair. A comparison of the Stiftung Warentest, however, showed that, compared to conventional models, no significant improvement with respect to the charging of the hair advertised with Ionizer hairdryer showed.

Hazards

Die each year in Germany two to three people by incorrect handling of hairdryers in bathrooms. A fallen into the water-filled tub Hair dryer is for someone who is sitting in it, deadly with high probability, even when the device is plugged in and not turned on. In some existing outdated electrical installations without the prescribed residual current circuit breakers do the rest.

Dryer hood

A dry hood ( short hood ) is an electric heat gun to dry the hair, in which a bell-like, reminiscent of a hood part, the flows out of the hot air is pulled over the head.

History

In 1890 the Frenchman Alexander Godefroy the precursor of a hair dryer in Paris in his hair salon. In 1900 the German company AEG produced an electric hair dryer. 1911 was Gabriel Kazanjian a patent for a hair dryer in the United States to protect. In France in 1926 brings the engineer Léon Thouillet the first hairdryer with Calor out In the 1950s the first hair dryer made ​​of plastic were produced and performed in the following decades in several steps a reduction so that the devices were lighter, more efficient and manageable. Jean mantelet, an engineer at Moulinex, introduced the pistol grip. In recent decades, the hair dryer was a design object.

Others

A tool with the same functional principle but usually much higher operating temperature and other application is the hot air blower (heat gun ).