Immersion heating element sandwiched between two substrates

Details Immersion heating element sandwiched between two substrates Immersion heating element sandwiched between two substrates

1998-12-01

2000-09-12

Walberg, Teresa

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

219540, 219548, 219523, F27D 1100

Patent

active

061181021

ABSTRACT:
An immersion heating element comprises first and second heat conducting substrates defining top and bottom surfaces of the heating element. An electrically insulating layer is provided on one side of each substrate, and the two substrates are mounted together with the insulating layers facing each other and with a resistive heating track sandwiched between the insulating layers. This structure avoids the need for a thick protective insulating layer over the heating track.

REFERENCES:
patent: 2478499 (1949-08-01), Osterheld
patent: 4827108 (1989-05-01), Balderson
patent: 5502293 (1996-03-01), Ohnishi et al.
patent: 5693244 (1997-12-01), Pragt et al.
patent: 5804791 (1998-09-01), Gelus

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