Down feather and wool mixing expanding sleeping bag, manufacturing method and using method

Abstract

The invention relates to a down feather and wool mixing expanding sleeping bag, a manufacturing method and a using method. A whole sleeping body is composed of an upper sleeping body piece, a lower sleeping body piece, a nightcap, a bottom barrel, a sleeping body triangular piece, a lifting lug, a closure, a sleeping bag expanding piece and a closure zipper. The sleeping body is composed of the upper sleeping body piece, the lower sleeping body piece, the closure, the nightcap and the bottom barrel, the nightcap is fixedly arranged at the top end of the sleeping body, the bottom barrel is fixedly arranged at the bottom of the sleeping body, the upper sleeping body piece is fixedly arranged at the upper portion of the sleeping body, the lower sleeping body piece is fixedly arranged at the lower portion of the sleeping body, the sleeping bag expanding piece on the closure is installed on the sleeping body through the closure zipper and the sleeping body triangular piece, and an integrated structure is formed through the closure zipper and an expanding piece zipper. The down feather and wool mixing expanding sleeping bag is reasonable in design, novel in structure, attractive in style, light, practical, convenient to pack and carry, easy to manufacture, low in cost, economical, practical, comfortable in sleeping, good in heat retention property and good in breathability, and can be widely applied to field work, and the down feather and wool mixing expanding sleeping bag can become companions and favorable articles for field workers, travelers and evection persons, and is suitable for travelers, alpinists, field workers, outdoor exploration persons and troop officers and soldiers.

Description

technical field [0001] The invention relates to a sleeping bag for outdoor use, in particular to a sleeping bag mixed with velvet and cotton, a manufacturing method and a using method. Background technique [0002] Sleeping bags are bags used for sleeping. Sleeping bags are almost essential equipment for outdoor camping. The quality of sleeping bags is directly related to the quality of the real sleep process. In dangerous and harsh environments, sleeping bags are important equipment to protect life. [0003] At present, there are many kinds of sleeping bags, adopting various materials, shapes, temperatures, and structures, but most sleeping bags are also limited to plane structures. Although sleeping bags use various materials to keep out the cold and keep warm, the heat in the sleeping bag space will still be lost. Sleeping bags are mostly used in the wild. When resting outdoors, people are no longer in a state of motion, but rest in a static state. The lower part of the...

AI Technical Summary

Problems solved by technology

Sleeping bags are mostly used in the wild. When resting outdoors, people are no longer in a state of motion, but rest in a static state. The lower part of the sleeping body is filled with down. When using it, the down is often compacted, causing the down to clump and lose. Or reduce the thermal insulation performance. After use, pat the lower part of the sleeping body to break up the clumps of down to restore the thermal insulation performance; the space in the sleeping body of the sleeping bag is limited, the space in the sleeping body is fixed, and the user who is overweight Or a large user is sometimes uncomfortable and cannot rest well

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