Sleeping bag (sleeping bag)

Sleeping bag (sleeping bag)
Спàльный мешòк (спàльник) — the subject of camp life, designed for rest and sleep.
Design sleeping bag provides better insulation against cold than a normal blanket as well as extra cushioning. For the best insulation and cushioning are usually laid on the Mat.
Used by hikers, climbers, cavers and others living in field conditions people.
As such, one of the inventor of the sleeping bag there. Its creation had a hand few of people. The first feather or wool sleeping bags "invented" the naturalists and climbers. They improved them for their own needs. The first sleeping bag, in the modern sense, was experienced in 1861, Francis Fox Tuckett. He was of camel's hair, with the use of rubberized fabric Charles Macintosh (invented in 1823) as a top coat. Down sleeping bag first experienced Alfred Mummery (Mummery Alfred) and his team in 1892. Since 1890 the Norwegian Ajungilak company began mass production of sleeping bags on the basis of Kapok (plant down). It was used until the advent of synthetic fibers and insulation materials.
The most common sleeping bags of two types:
  • blanket — like sleeping bag
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has a rectangular shape and is fastened around the perimeter with a zipper. Suitable for recreation in simple Hiking conditions and at relatively mild summer or autumn-spring weather. Its enhanced comfort due to their spacious dimensions and the fact that undoing it can be used as a regular blanket.
  • cocoon — anatomically, narrowed in the legs and warming his hood. Lightning usually does not reach the bottom of the sleeping bag. This sleeping bag is better suited for difficult hikes as effectively warms the traveler at low temperatures, and also lighter and takes up less space than a sleeping bag blanket.
  • Less common types of construction:
    • the quilt (quilt) is a sleeping bag, stripped to facilitate its bottom (under the man). Fastened with special fasteners to a travel Mat, and is used only in conjunction with it.
    • the foot is half of a sleeping bag cocoon that covers only the lower part of the body to the waist. Used in combination with jacket-down jacket. Used by climbers and tourists-thrill-seekers in order to maximize weight loss on your climbing.
    Properties sleeping bag is largely dependent on the applied it of insulating filler:
    • Pooh
      From the earliest times one of the main human needs was warm. The person warmed his body by fire or clothes. For this purpose he used all available materials in nature: skin...
      Learn about Pooh from Wikipedia
    waterfowl (geese, ducks) — like this sleeping bag only retains heat better, has less weight compared to synthetic. However, in wet conditions the Pooh actively absorbs moisture and loses its insulating abilities. Well suited for conditions with low humidity: high-altitude mountaineering, Arctic expeditions, winter trips;
  • synthetic fillers practically does not absorb moisture, quickly dry. Well-suited for use in rainy, humid areas. Synthetic sleeping bags
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  • some feather is heavier and less durable, because the filler material is compressed over time.
    The shell material
    Modern sleeping bags are used mostly synthetic fabric that provides the lowest weight, high strength and fast drying. Nevertheless, with sleeping bags focused on comfort, the lining still can use cotton fabric or flannel. In sleeping bags focused on adventure tourism for the manufacture of the outer shell are sometimes applied membrane tissue. They reduce the wet sleeping bag from condensation and frost (snow) deposited on the walls of the tent.
    To give the user information about the climatic conditions, which are designed sleeping bag, for each one is indicated by its temperature. Usually it is expressed more numeric values. The most important of them are comfort temperature - the minimum ambient temperature at which the average person still does not feel the cold.
    According to the European standard EN 13537:2012 labelling of sleeping bags produced in interior space
    Internal length of a sleeping bag - measurement is performed when an inside-out sleeping bag, by measuring the distance between the stitches from the heel of the foot to the top of the sleeping bag, without the use of any power to increase the size a sleeping bag. Permissible error specified on the label size in the range ± 3 cm
    Internal width of a sleeping bag is determined at an inside-out sleeping bag the measurement of the size of the circumference at the widest point, not stretching the material, followed by dividing the size of the circle by 2. If the maximum width of a sleeping bag is not in the chest area, this should be noted on the label. The width of a sleeping bag accuracy ± 2 cm.
    Width in feet Width in feet inside of a sleeping bag should be specified with an accuracy of ± 2 cm. Measure the circumference at the distance (30 ± 1) cm from the heel seam to the side of the head of the sleeping bag. The circle is divided in half to get the width of a sleeping bag. If the sleeping bag has elastic seams that would expand before measuring, you can use the spring scales.
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