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Patent
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K
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H01K 1/32 (2006.01) H01K 1/34 (2006.01) H01K 1/50 (2006.01)
Patent
CA 1245272
INCANDESCENT LAMP WITH HIGH PRESSURE RARE GAS FILLED TUNGSTEN-HALOGEN ELEMENT AND TRANSPARENT THICK WALLED SAFETY ENVELOPE Abstract An incandescent lamp unit in which a light emitting element of the tungsten-halogen type is placed within an outer, safety protecting transparent envelope. The element, being protected by the outer envelope, is filled with a gas at a high pressure, thereby increasing its efficiency, and the space between the element and the outer envelope is also preferably filled with a gas having good heat conductivity properties. The outer envelope also can have a coating of a material which transmits visible range energy and reflects infrared energy.
465261
Kaufman Rudolph
Kee Harry
Thouret Wolfgang
Duro-Test Corporation
Smart & Biggar
LandOfFree
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