HEATER WIRE AND HEAT-EMITTING ELEMENT
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United States of America Patent
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Issued Date -
Mar 7, 2024
app pub date -
Sep 3, 2021
filing date -
Jul 19, 2021
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Abstract
A heater wire that allows for reduced costs by adopting a novel structure capable of preventing localized abnormal temperatures while having a high bending durability and accommodating diameter reduction. The heater wire is provided with a heat-emitting part in which heat-emitting wires are wound in a spiral manner around a fiber core, and a sheath arranged around the heat-emitting part. The heat-emitting wires are configured such that a first heat-emitting wire including a first metal element wire and a second heat-emitting wire including an insulating film provided around a second metal element wire are wound in an alternating manner.
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