Induction furnace with unique carbon foam insulation

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Reexamination Certificate

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C428S314200, C428S315500, C428S315700

Reexamination Certificate

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07413793

ABSTRACT:
An insulative cap for an induction furnace comprising a carbon foam having a pore distribution such that at least about 90% of the pore volume of the pores have a diameter of between about 10 and about 150 microns and at least about 1% of the pores have a diameter of between about 0.8 and about 3.5 microns.

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