ELECTRIC HEATER AND METHOD FOR MANUFACTURING SUCH AN ELECTRIC HEATER
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United States of America Patent
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Issued Date -
Apr 17, 2014
app pub date -
Oct 11, 2013
filing date -
Oct 12, 2012
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Abstract
A tubular electric heater (100, 200) is provided with an outer tube (110, 210, 310, 340, 370, 410, 510), with a heat-conducting body (120, 220, 320, 350, 380, 420, 520) and with a tubular electric heating element (130, 230, 330, 360, 390, 430, 530), wherein the tubular electric heater (100, 200) has a continuous groove or opening in the direction in which the tube extends and wherein the heat-conducting body has an opening (122, 222, 322, 352, 382, 522) passing through it in the direction in which the tubular electric heater (100, 200) extends, and the outer tube is supported indirectly or directly on limiting surfaces (123, 124, 223, 224, 323, 353, 383, 423, 523, 524) defining this opening (122, 222, 322, 352, 382, 522) in the heat-conducting body or on an inner tube (140, 440). A method is provided for manufacturing such a tubular electric heater.
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