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The Kilner Jar was originally invented by John Kilner (1792–1857) and associates, [4] and made by a firm of glass bottlemakers from Yorkshire called Kilner which he set up. [5] The original Kilner bottlemakers operated from 1842, when the company was first founded, until 1937, when the company went into liquidation.
After Mason's patent expired, many other manufacturers produced glass jars for home canning using the Mason-style jar. [9] Early closure style, zinc lid over glass liner. The initial form of closure for the glass canning jar was a zinc screw-on cap, the precursor to today's screw-on lids.
Preserved food in Mason jars. Home canning or bottling, also known colloquially as putting up or processing, is the process of preserving foods, in particular, fruits, vegetables, and meats, by packing them into glass jars and then heating the jars to create a vacuum seal and kill the organisms that would create spoilage.
Container glass is a type of glass for the production of glass containers, such as bottles, jars, drinkware, and bowls. Container glass stands in contrast to flat glass (used for windows , glass doors, transparent walls, windshields ) and glass fiber (used for thermal insulation , in fiberglass composites, and optical communication ).
Canning is a method of food preservation in which food is processed and sealed in an airtight container (jars like Mason jars, and steel and tin cans). Canning provides a shelf life that typically ranges from one to five years, [ a ] although under specific circumstances, it can be much longer. [ 2 ]
A hermetic seal is any type of sealing that makes a given object airtight (preventing the passage of air, oxygen, or other gases).The term originally applied to airtight glass containers but, as technology advanced, it applied to a larger category of materials, including metals, rubber, and plastics.