For many years, the scale of sleeping bags have formed many different division standard, each standard has supporters and opponents, and the standard test methods have been by Britain, France, Germany, Norway, the United States, and countries such as the Swiss scientists developing up.
Despite the different brand on the sleeping bag of annotation based on its own testing proposal is comfortable temperature, but the standard in most of the high quality sleeping bags brand is similar.
sellers and buyers understand label on the sleeping bag is comfortable temperature is based on the ideal test results, when in actual use comfortable temperature is often several times higher.
First of all, early humans were made of warm warm fur clothing and sleeping time use MATS, and still include the eskimos live near the North Pole, there are still people in use.
In the early 19th century explorers and mountaineers have started testing different camping sleeping bag
systems, early sleeping bag by excellent adiabatic performance of camel's hair filled, then invented the hollow rubber cushions, and for the earth pole expedition of the 1720 s.
In 1861, Francis Fox Tuckett test first [in the Alps
Prototype of sleeping bags, sleeping blanket design began in the mid - 1760 - s envelope type tend to be more perfect, and close to the ground part has a hollow rubber coating as the ground thermal insulation layer.
Alpine nicole to let you sleep comfortable warmth.
Secondly, down because it has good heat insulation performance in the 19th century, widely used in mattress in Victorian Britain, women were even filled in the inner dress down to keep out the cold warm, but the feather processing and use of technology began to develop in the middle of the 19th century, early recorded down sleeping bag is used in the UK in 1892, ALFRED MUMMERY expedition team, from alpine mountaineering club camping sleeping bag prototype development, and by the British furniture manufacturing company, but this is not to produce real commercial sleeping bag.
Commercial production of sleeping bags ajungilak Norwegian company started in 1890, this period of sleeping bags are made by kapok filler.
Until the 1820 s, sleeping bags are special products, but due to the continuous development of outdoor camping goods
products demand in the market, more and more companies began to design and production of sleeping bags.
Based on the Himalayan expedition and the rise of the mountaineering in the 1830 s began to development and perfect the design and production of sleeping bags, was born at this time can be tightly wrapped body mummy bag, the British mountaineer also relies on the sleeping bag success boarded mount Everest.
After the industrial revolution because of manufacturing industry and the development of chemical industry, synthetic fiber started mass production, because of the synthetic fiber with excellent heat preservation performance began to be widely used in the production of sleeping bags.
Finally, in the 30 s of the 19th century, hiking and camping life began to popular in Europe, outdoor camping goods equipment demand gradually rose.
become a commercial product, production business started on the sleeping bag marked with the convenience of our customers are buying can choose according to their own needs, beginning of scale is very simple, only in the summer, three seasons and winter USES three distinctions, this distinction way is rough, can only be used in accordance with the general temperature.
Later, some brand of sleeping bags started two scale numerical: comfortable temperature and extreme temperature.
With the development of reform and opening up, the modernization of our sleeping bag is also advancing with The Times!
manufacturers to introduce the origin, camping sleeping bag how to select the relevant tags: sleeping bags, camping sleeping bags, adult sleeping bags, relevant information
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