Hot-plate for cooker with glass ceramic hob - has heating filament supported in free space to reduce heat loss and raise efficiency

摘要

The hot-plate has a heating filament (5) located beneath the ceramic hob (1) and above the bottom of the pot-shaped support casing (2). The filament consists of wires wound around rods (3') or located inside hollow tubes. The rods and the tubes are made of quartz or a similar material and lie parallel to one another. The rods and tubes fit at their ends into slots in the walls of the pot-shaped casing and are held in place by U-shaped clips or by an adhesive.