Adjustable electromagnetic sealing device
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United States of America Patent
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Nov 16, 2010
Grant Date -
May 28, 2009
app pub date -
Nov 26, 2007
filing date -
Nov 26, 2007
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present invention is an inductive sealing unit, which includes a conductive coil assembly that has at least two sections. At least one of the sections is adjustable with respect to the other. Each section has a magnetic flux concentrator, such as a ferrite core. A flexible conductive coil, such as litz wire, is disposed with respect to the magnetic flux concentrator to provide an electromagnetic field which induces heat sufficient to seal an object. The assembly can be adjusted to accommodate different size objects to be sealed.
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Cited Art Landscape
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