| 摘要 |
The present invention relates to a thermoinsulating knapsack for carrying beverages, comprising a sack (1) provided with straps (2) for transportation on the back, inside which is arranged a container (3) for a beverage. Said container (3) is provided with an opening into which is inserted a flexible tube (4) which enables the beverage to be sorbed. One or more evacuated panels (5, 6) comprising an envelope which encloses powder of an inert material with average particle size lower than 100 nanometers are arranged between said sack (1) and said container (3).
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