Electric heating – Heating devices – Combined with pressure application means
Patent
1980-10-09
1984-02-07
Bartis, A.
Electric heating
Heating devices
Combined with pressure application means
38 82, 38 88, 38 89, 165 96, 219242, 219247, 219252, 219462, 219530, 219540, D06F 7524, D06F 7526, H05B 102, F28F 2700
Patent
active
044305532
ABSTRACT:
A cordless flatiron includes a sole plate with an exposed bottom surface forming an ironing surface and a top surface including a number of projections extending upwardly therefrom. A protective hood attached to the periphery of the top surface of the sole plate forms an evacuated, sealed chamber thereabove and a heat storage element is positioned in the chamber so as to be movable toward and away from the projections of the sole plate. The heat storage element is heated by an electric heating rod extending therein. A temperature responsive regulator element positioned between the heat storage element and the top of the sole plate and responsive to the temperature of the sole plate is arranged by its configuration to position the heat storage with respect to the upper ends of the projections of the sole plate and thus determine whether or not heat is conducted from the heat storage element to the projections of the sole plate and to the ironing surface of the sole plate. An adjustable temperature selector is provided for selecting the temperature of the sole plate and an adjustable heat quantity selector provides for switching off the current to the heating rod (when the flatiron is connected to an electrical power supply) based on the temperature of the heat storage element. A reflective foil heat radiation barrier is positioned between the sole plate and heat storage element to shield the sole plate from heat radiation from the heat storage element and to limit transfer of heat from the heat storage element to the soleplate essentially to that transmitted through the projections.
REFERENCES:
patent: 66535 (1867-07-01), Taylor
patent: 386259 (1888-07-01), Olp
patent: 1552813 (1925-09-01), Amman
patent: 1649506 (1927-11-01), Brewer
patent: 1703803 (1929-02-01), Widstrom
patent: 2010180 (1935-08-01), De Ferranti
patent: 2898905 (1959-08-01), Thomas
patent: 2945928 (1960-07-01), Houser
patent: 3045980 (1962-07-01), Isham
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