Electrical sleeve heater
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United States of America Patent
Stats
-
Jun 24, 2008
Grant Date -
Sep 27, 2007
app pub date -
Feb 7, 2007
filing date -
Feb 8, 2006
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electrical sleeve heater for an element having a generally cylindrical outer surface. The heater has a generally helical coil centered on an axis and having a pair of opposite coil ends, a pair of generally coaxial, axially aligned, and similar tubes each fixed to a respective one of the coil ends and surrounding the coil so that relative rotation of the coil can radially increase or decrease an inside diameter of the coil. The tubes having axially adjacent inner ends and outer ends, and means for releasably fixing together the coil inner ends.
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Family
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Cited Art Landscape
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