Flat heating element comprising twists and bends and method thereby to relieve heating element stress
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United States of America Patent
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Aug 8, 2017
Grant Date -
May 21, 2015
app pub date -
Nov 14, 2014
filing date -
Nov 19, 2013
priority date (Note) -
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Abstract
Presented is a heating element, and method for producing same, comprised of strip material having a length, width and depth where the strip material is twisted at least once axially relative to its length and bent at least once across its width resulting in a generally flat profile. The twists and bends provide for expansion and contraction of the heating element and thereby provide stress relief during heating and cooling.
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