Insulation shielding for glass fiber making equipment

Glass manufacturing – Fiber making apparatus – Rotary-centrifugal fiber forming means

Reexamination Certificate

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Details

C219S647000, C219S649000, C219S668000, C065S484000, C425S008000

Reexamination Certificate

active

07021084

ABSTRACT:
An energy-efficient inductive heater operable to heat a rotary glass fiber discharging spinner. The heater includes shielding disposed between the induction coil and the metal guard plates of the heater. The shielding may comprise any electrically insulative or dielectric material that is capable of withstanding the high operating temperatures occurring in a glass making environment.

REFERENCES:
patent: 3636293 (1972-01-01), Schneider et al.
patent: 3850205 (1974-11-01), Frailly
patent: 4333626 (1982-06-01), Holbrook
patent: 5052597 (1991-10-01), Bruckner
patent: 5821504 (1998-10-01), Sprenger et al.
patent: 5877471 (1999-03-01), Huhn et al.
patent: 6221782 (2001-04-01), Shan et al.

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