Jar opener
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A jar opener is a kitchen device which is used to open glass or plastic jars. A jar is sealed by either (a) a screw-off rubberised lid or (b) a lid placed on the opening of the jar with a rubber sealing-ring between. Screw-off lids are usually made of metal with a thin rubber sealing layer, whereas lift-off lids mostly consist of glass.
Types
[edit]Screw-off lids
[edit]A traditional jar opener for a screw-off lid will have two handles, leading up to two concentric grooved rings which can be used to fit different lids. It also sometimes has a device to open a bottle on it. There are many models including rubber sheet grip models and rubber timing belt loop models.[1]
Lift-off lids
[edit]Jar openers that are designed to wedge open a lid sealed by a rubber ring were patented and produced in Germany in the mid 1930s, but all production has halted following the turn of the century. On the right is an example of a wooden vintage jar opener for preserve jars.
Reasons for use
[edit]Many people can remove the lids of glass jars by hand. Some people with and without disabilities cannot open a jar, while others prefer the ease that comes with a jar opener.[2]
Motorised jar openers
[edit]Black & Decker produced the first automatic jar opener in 2003.[3]
See also
[edit]References
[edit]- ^ tel-editors (2015-10-14). "Best Jar Opener for Older Adults". Tech-enhanced Life. Retrieved 2022-04-07.
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has generic name (help) - ^ Wood's Historical Guide for Bottle, Can and Jar Openers. Lulu.com. ISBN 978-1-4116-9062-2.
- ^ Mann, William C. (2005-07-22). Smart Technology for Aging, Disability, and Independence: The State of the Science. John Wiley & Sons. p. 135. ISBN 978-0-471-74396-5.