The development of sleeping bags

- Nov 13, 2018 -

Early humans used animal skins to make warm and cold clothes and cushions used during sleep. So far, the Eskimos, who live near the Arctic, are still in use. In the early 19th century, explorers and mountaineers began testing different sleeping bag systems. The early sleeping bags were filled with camel hair with excellent thermal insulation properties, and then invented hollow rubber air cushions and used in the 1820s. Extreme adventure. In 1861, Francis Fox Tuckett tested the prototype of the first Alpine sleeping bag. In the 1860s, the envelope-style sleeping blanket design began to perfect, and a hollow rubber coating was applied to the ground near the ground as a thermal insulation layer.

In the 1930s, hiking and camping began to become popular in Europe, and the demand for outdoor equipment began to rise. The sleeping bag becomes a commercial product, and the production business begins to be marked on the sleeping bag so that the customer can choose according to his own needs at the time of purchase. The temperature scale that is initially marked is very simple, and only three distinctions are made in summer, three seasons and winter. The method of distinguishing is rough and can only be selected according to the approximate use temperature. Later, some brands of sleeping bags began to give two temperature scale values: comfort temperature and extreme temperature.

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