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Electric knife

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An electric carving knife

An electric carving knife or electric knife is an electrical kitchen device used for slicing foods. The device consists of two serrated blades that are clipped together. When the appliance is switched on, the blades continuously move lengthways to provide the sawing action. They were popular in the United Kingdom in the 1970s.[citation needed]

Invention

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The invention of the electric knife is usually attributed to Jerome L. Murray,[1][2] but there are other claimants, such as Clem E. Kosterman, who filed a patent in 1939.[3][4]

Electric knives can be corded or cordless.

Other uses

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They are also sometimes used for other purposes, including sculpting polyurethane foam rubber,[5][6] cutting wood, cutting metal, and other solid or semi-solid substances and materials.

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See also

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References

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  1. ^ Agis Salpukas, "Jerome Murray, 85, a Many-Faceted Inventor", obituary, New York Times, 11 February 1998.
  2. ^ Carl W. Hall, A Biographical Dictionary, p.158, Purdue University Press, 2007 ISBN 1557534594.
  3. ^ "With the inventors", Popular Science Monthly, volume 36, no.2, p.22, March 1940 ISSN 0161-7370
  4. ^ C. E. Kosterman, "Power operated knife"[dead link], US patent 2180244, 14 November 1939.
  5. ^ "Tip No. 080 A Method for Cutting Open Cell Polyurethane Foams NASA Materials Engineering Branch" (PDF). Archived from the original (PDF) on 2007-08-02. Retrieved 2007-12-14.
  6. ^ Sylvia Moss. Costumes and Chemistry: A Comprehensive Guide to Materials and Applications, Quite Specific Media Group Ltd, 2001. ISBN 0-89676-214-9 p317