Who invented the insulation Cup?


1892, Oxford University, a Scot, Sir James Duval invented the vacuum insulation cup. He will put a bottle in the other bottle, and then the gap between two bottles in the air out. Since the vacuum does not transmit heat, so thermal insulation cup of hot water or cold water will be a long time to maintain the original temperature. The 20th century 50's, holding the cup sales reached a peak during this period the family picnic, beach hiking and camping out in the wilderness will bring insulation Cup.



Stainless Steel Vacuum Flask


      Is normally provided by ceramic or stainless steel coupled with a vacuum layer of water to make the containers, at the top of a covered, sealed严实, vacuum insulation can installed in the internal heat, water and other liquids to postpone in order to achieve the purpose of insulation. Insulation Cup are developed from the from the thermos bottle, thermos flask principle and as insulation, but in order to facilitate people to put into glass bottles.

      Currently on the market sold a lot of stainless steel insulation Cup varieties, the price difference is also significant in terms of some consumers did not understand its principles, are often unable to buy roses花了不少钱products. How can we buy high-quality vacuum insulation cup then?

      First look at the appearance of the cup. One look outside the gall bladder liner and the surface is polished uniform, whether or not there is bumps and scratches defects; watch two mouth is smooth welding line, the relationship to work together to drink water whether or not a comfortable feeling at the time; three quality plastic parts look bad. Will not only affect the life, but will also affect drinking water hygiene; four closely watch whether the internal seal. Plug and the Cup tie in with the appropriate body. Screwed out whether or not spin freely, whether or not leakage. Filled with a glass of water upside down four, left five minutes or a few hard to verify whether the leak. Look at the performance of thermal insulation, thermal insulation glass This is the main technical indicators. Generally can not choose when to check in accordance with the standards, but can be filled with hot water by hand after the investigation, does not heat hot water into the cup after the cup body 2 minutes will heat the lower part, while the lower part of the insulation glass is always cool.

      In the use of the course to avoid collision and impact, so as to avoid碰坏cups or plastic, resulting in insulation failure or leaks. When plug tightening force should be appropriate, not to have been rotating in order to avoid failure Lo deduction. Regular drinking coffee, tea or soft drinks, the liner will change This is the normal situation, toothpaste, toothbrushes can be used to remove ......

      You in choosing stainless steel vacuum cup, the available methods of identification are as follows:

      First of all, look, first of all depends on the appearance of the cup. One look outside the gall bladder liner and the surface is polished uniform, whether or not there is bumps and scratches defects; watch two mouth is smooth welding line, the relationship to work together to drink water whether or not a comfortable feeling at the time; three quality plastic parts look bad. Will not only affect the life, but will also affect drinking water hygiene; four closely watch whether the internal seal. Plug and the Cup tie in with the appropriate body. Screwed out whether or not spin freely, whether or not leakage. Filled with a glass of water upside down four, left five minutes or a few hard to verify whether the leak. Look at the performance of thermal insulation, thermal insulation glass This is the main technical indicators. Generally can not choose when to check in accordance with the standards, but can be filled with hot water by hand after the investigation, does not heat hot water into the cup after the cup body 2 minutes will heat the lower part, while the lower part of the insulation glass is always cool.

      Concrete has the following several methods:

      1, vacuum thermal insulation properties of simple recognition method: the water poured into the cup clockwise insulation cork or lid tightened up and 2-3 minutes after the hand-to-Cup身外surface, if there is a clear glass body hyperthermia phenomenon showing that a product have lost their vacuum and can not achieve good thermal insulation effect.

      2, the sealing performance recognition method: add water in the cup, according to a clockwise direction and tightened up and cork lid, put glass flat on the desktop should be no water leakage; lid and cup together the rotation should be flexible, there is no gap .

      3, plastic fittings recognition method: a new food-grade plastic odor characteristics are small, shiny surface, no burr, long service life of aging is not easy. Ordinary plastic or recycled plastic is characterized by odor, and color of a gloomy, many glitches, plastic easy to aging fracture easily.

      4, with a capacity of simple recognition method: the depth liner with basically the same as the height of shell, (the difference between 16-18MM) capacity in line with the nominal value. Some low-quality insulating glass cup to add at the sand, cement block to make up for missing weight. FALLACY: cup (pot) is good is not necessarily heavier.

      5, stainless steel materials simple identification method: a lot of stainless steel material specifications, one of 18 / 8 stainless steel material composition express this with 18% chromium, with 8% of nickel, to achieve this standard materials, in line with national standards for food grade products are green environmental protection, product rust-proof, corrosion-resistant. Ordinary stainless steel cup has white body color and dark hair, if the Add to the concentration of 1% of the saline water will have 24 hours after锈斑, contained some elements of its superscalar, direct harm to human health.

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