Tubular heater with insulating material in the connection end region
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United States of America Patent
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Feb 24, 2009
Grant Date -
Aug 23, 2007
app pub date -
Feb 6, 2007
filing date -
Feb 6, 2006
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A heating apparatus for heating a fluid, in particular in domestic appliances, which comprises a tubular casing, at least one electrical resistance heating wire which is arranged in the interior of the tubular casing and which is embedded in an electrically insulating, heat-conducting insulating material in the tubular casing, at least one connection unit which is arranged in the interior of the tubular casing and which is passed outwardly out of the tubular casing for connection of the electrical resistance heating wire to an electrical energy source disposed outside the tubular casing, and at least one closure bead which closes the opening of the tubular casing. It is further provided that the connection unit is also surrounded by the insulating material within the tubular casing to the closure bead and the closure bead is, at its outside, provided with at least one filling slot which extends over its entire axial length.
First Claim
Family
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Cited Art Landscape
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