Kilner jar
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A rubber-sealed, screw-topped jar used for the storage of food, invented by the Kilner family and produced by John Kilner & Co, Yorkshire, England. Classically a glass plug with a rubber seal attached to it is placed in the top of the jar, the whole being secured with a metal screw-top lid. Contemporary "Kilner-style" jars usually have a lid made entirely of metal. Kilner jars are used for storing and preserving home-made jams, marmalades and other relishes. They are also used for pickling food such as eggs, onions and garlic.
Variants
Kilner Jars are often confused with a similar jar featuring a metal hinge and a rubber seal. In the UK, these are sometimes known as "French Kilner" jars.
History
Caleb Kilner created the concept of the jar, but it was not until his son John Kilner founded the John Kilner & Co glass company in 1842 that the jar was produced. Although enjoying commercial success, rival glass manufacturers were quick to create alternatives - and the Kilner family business (by then called Kilner Brothers Ltd) went bankrupt in 1937. The patents and trademarks of the Kilner Jar were sold to the United Glass Bottle Company in the same year, and Kilner jars are still produced today.Trivia
British broadcaster Jeremy Clarkson is the great-great-great-grandson of John Kilner.
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