Compression-resistant heating frame

Details Compression-resistant heating frame Compression-resistant heating frame

2004-11-24

2009-10-13

Fuqua, Shawntina (Department: 3742)

Electric heating

Heating devices

Combined with diverse-type art device

C219S546000, C219S216000, C219S243000, C100S321000, C100S323000, C100S295000, C100S325000, C100S326000, C100S301000, C100S318000, C101S021000, C101S025000, C101S027000, C101S312000, C101S480000, C101S487000

Reexamination Certificate

active

07601930

ABSTRACT:
Compression-resistant heating frame, comprising an upper plate and a lower plate which are secured to each other, and a heating layer interposed between the two plates. Force-absorption studs are disposed between the two plates in order to protect the heating layer against deformation by compression of the plates against each other. The studs are distributed to permit regular heating of each plate. The force-absorption studs are distributed at the nodes of a rectangular, hexagonal or centered square network. The force-absorption studs preferably include a flange to distribute the compression force on a metal base sheet which is interposed between the upper plate and the heating means. Thermal insulation material is interposed between the heating layer and the upper plate. The heating layer may comprise a film through which an electric circuit passes in order to produce heating by joule effect.

REFERENCES:
patent: 1884612 (1932-10-01), Dinzl
patent: 3181605 (1965-05-01), Smith, Jr.
patent: 4304178 (1981-12-01), Haberle
patent: 5156087 (1992-10-01), Cusson

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