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Aqua-Lung [1] was the first open-circuit, self-contained underwater breathing apparatus (or "scuba") to achieve worldwide popularity and commercial success. This class of equipment is now commonly referred to as a twin-hose diving regulator , [ 2 ] or demand valve .
The "Aqua-Lung" regulator was created by Jacques-Yves Cousteau and Émile Gagnan in 1943. [5]In 1946, the company known as La Spirotechnique (now Aqua Lung International) was established by both men together with Jean Delorme, CEO of Air Liquide, as a division of Air Liquide to sell the Aqua-Lung regulators.
Aqua-Lung, a generic name used in the past to refer to a scuba diving regulator, particularly the original double-hose models Aqualung Group , a French manufacturer of diving equipment Aqualung America , a US subsidiary of the French company
The word "scuba" became the generic word quickly in the US and eventually in Britain. For more information see Aqua-lung#Trademark issues. From 1946 to 1955 La Spirotechnique sold only one model of regulator, the CG45. In April 1955 it launched the Mistral, a single-stage regulator that was cheaper to build and easier to breathe than the CG45.
Aqualung Group, also known as Aqua Lung International, La Spirotechnique – French company manufacturing breathing apparatus and diving equipment; Aqwary – Dive computers. [9] L.G. Arpin Company Divair scuba regulators. [3] Atmos – Dive computers. [9] Atomic aquatics – Scuba regulators, masks, swimfins. [12] Audaxpro Buoyancy ...
The Aqua Lung was protected by patent and difficult to obtain in Australia. Siebe Gorman had the license to manufacture for Commonwealth countries and could not meet demands. When Eldred decided that rebreathers were not suitable for general sport use, he shifted his focus to developing the world's first single-hose open-circuit scuba set ...
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