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The band, when screwed down, presses a separate stamped tin-plated steel disc-shaped lid against the jar's rim.An integral rubber ring on the underside of the lid creates a hermetic seal.This process, which was complicated and error-prone, became popular in the late 1830s or early 1840s and was commonly used for sealing fruit jars from the early 1850s until about 1890.
Within a short time he sold the patent rights to several individuals, including Henry Putnam and Karl Hutter. De Quillfeldt used the term "Lightning" to refer to the sealing method, but the closure's popular use on fruit jars led to the name, Lightning fruit jar.
Most metal lids used today are slightly domed to serve as a seal status indicator.
The vacuum in a properly sealed mason jar pulls the lid down to create a concave-shaped dome.
The bail-style jars are still widely used in Western Europe, particularly France and Italy, where the two largest manufacturers (France's Le Parfait and Italy's Bormioli Rocco) produce the Le Parfait and Fido brands, respectively.
While bail-type jars are widely available in the United States, they are generally marketed there exclusively for dry storage and only rarely used for home canning.
A Mason jar, named after John Landis Mason who first invented and patented it in 1858, is a molded glass jar used in home canning to preserve food.