Microwire staple for holding the resistive member of a heating e

Details Microwire staple for holding the resistive member of a heating e Microwire staple for holding the resistive member of a heating e

1997-10-15

1999-11-02

Paik, Sang

Electric heating

Heating devices

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

H05B 368

Patent

active

059775246

ABSTRACT:
A heating unit (H) for a cook top includes a ribbon-type heating element (E). The heating element is mounted on the upper surface of a cake (I) of microporous insulation material. The heating element is arranged in a predetermined pattern on the material and a plurality of staples (10) are used to attach and hold the heating element on the material surface. Each staple is a microwire staple and the staples are spaced along the length of the heating element to mount the heating element to the insulation. The microwire staples have a small thermal mass and so do not create heat sinks at their locations of use. Thus, they do not affect the efficiency of heat transfer between the heating element and that which is being heated. The staples are also preferably of the same metal alloy as that from which the heating element is formed so the staples can withstand high temperatures and numerous temperature cycles to provide a long service life.

REFERENCES:
patent: 3612828 (1971-10-01), Siegla
patent: 3833793 (1974-09-01), McWilliams et al.
patent: 4161648 (1979-07-01), Gossler
patent: 4296311 (1981-10-01), Hagglund et al.
patent: 5181312 (1993-01-01), Gross
patent: 5369874 (1994-12-01), McWilliams
patent: 5393958 (1995-02-01), Gross et al.
patent: 5453597 (1995-09-01), McWilliams
patent: 5837975 (1998-11-01), Dillard et al.

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