Things about Vacuum Flask

Although you might have various cups, for example, the Menorah candle cups or bamboo drinking glasses for daily life, all of them are not suitable for taking along. The history of the invention of the vacuum flask begins in the 19th century and is associated with the name of the English inventor James Dewar. So the vacuum flask is also known as Dewar flask or Thermos. But his goal was not the invention of the container for heat preservation of hot fluids. The purpose was the storage of the diluted gases. After some time his pupil and disciple R. Burger has found a niche for commercial use of this invention. Soon, his firm gained great popularity and was engaged not than other, as the production and sale of flasks. Although this invention is very simple in its essence, it finds application in people's lives for over a sufficiently long period of time.

If the teapot have to actively use in different kind of trips, hikes or travels, for these purposes it is better to choose metal flask. It is much stronger and can easily withstand the active operation for a long period. It’s better for you to plan to use a thermos in the domestic environment. Although it is more fragile and vulnerable to mechanical stress, however, is more practical from a hygienic point of view. While its primary function as a metal flask, and a glass handle it equally well.

I know that most of you would love to choose a cute one, like the steel bullet thermos cup, but it’s better for you to choose it more carefully as you could.

Check to see if the flask would leak. The choice of the thermos should be approached very carefully and responsibly. After all, this thing sold for continuous use, and not for one day. First of all, you should check how well and tightly the lid is screwed. This is the main criterion that affects the preservation of the temperature of the fluid.