Positive temperature co-efficient heating element assembly and appliance incorporating the heating element assembly
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United States of America Patent
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Mar 26, 2013
Grant Date -
Sep 8, 2011
app pub date -
Mar 5, 2010
filing date -
Mar 5, 2010
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A heating element for an electrical appliance, such as an electric razor. The element has a hollow metallic sleeve having first and second sides. The first side of the sleeve has greater thermal mass than the second side of the sleeve. A positive temperature coefficient ceramic element is located within the sleeve and held in thermal contact with the sleeve by a compressed portion of the sleeve.
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Family
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