FIELD: personal demand items.
SUBSTANCE: design of heat-proofing packet with vertical quilting of alternate symmetry contains two layers of shell material - internal and external ones, heat-insulation material arranged between them, and areas of layers fixation. At the same time ratio of packet shell layer material lengths between areas of layers fixation varies along with length of packet Lpack.
EFFECT: invention provides for expansion of model range of heat-proofing clothes, specified level of thermal resistance with lower specific consumption of volume heat-insulation material.
2 cl, 3 dwg
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Authors
Dates
2009-12-10—Published
2008-04-25—Filed