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Diagram of a vacuum flask Gustav Robert Paalen, Double Walled Vessel. Patent 27 June 1908, published 13 July 1909. The vacuum flask was designed and invented by Scottish scientist James Dewar in 1892 as a result of his research in the field of cryogenics and is sometimes called a Dewar flask in his honour.
On September 2, 1913, William Stanley Jr. patented the all-steel vacuum flask. [1] The idea came about as a result of his work with transformers, during which he discovered that a welding process he was using could be used to insulate a vacuum bottle with steel instead of glass. [2]
Hip flask, a small container used to carry a small amount of liquid; Laboratory flask, laboratory glassware for holding larger volumes than simple test tubes Erlenmeyer flask, a common laboratory flask with a flat bottom, a conical body, and a cylindrical neck; Vacuum flask, a container designed to keep warm drinks warm and refrigerated drinks cold
Stainless steel, also known as inox, corrosion-resistant steel (CRES), or rustless steel, is an iron-based alloy containing a minimum level of chromium that is resistant to rusting and corrosion. Stainless steel's resistance to corrosion results from the 10.5% or more chromium content, which forms a passive film that can protect the material ...
Büchner flask A Büchner funnel is attached to the flask via a black elastomer adapter. The hose barb is connected via vacuum hose to a vacuum source such as an aspirator. The flask should be clamped before use or the hose will likely cause it to tip. Cross section of a Büchner Flask. Note the hose barb pointing right for attaching a vacuum ...
Bottles made with food-grade stainless steel (grade 304, also known as 18/8) do not transfer taste or odor. Metal (especially steel) water bottles can be heavier than their plastic counterparts. Single-walled metal bottles readily transfer temperature of contents to external surfaces, which makes them unsuitable for use with unusually hot or ...
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