An ice cube is a small, typically rectangular/trapezoidal piece of ice created through mechanical refrigeration. Primarily used to cool beverages, ice cubes can be made at home using ice trays in a freezer or through automated ice-making accessories. They are also industrially produced and sold commercially for widespread use.
1928: Copeman's rubber boot observation
In 1928, Lloyd Groff Copeman noticed that ice and slush flaked off his rubber boots while collecting maple syrup, inspiring him to later invent a rubber ice tray.
1933: Invention of flexible metal ice cube tray
In 1933, Guy L. Tinkham, a household product executive, invented the first flexible, stainless steel, all-metal ice cube tray that bent sideways for ice cube removal.
1978: Patent of the single-use ice cube bag
In 1978, Danish inventor Erling Vangedal-Nielsen patented the single-use ice cube bag after needing more ice than ice cube trays could provide at a gathering with friends.
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