Back to results
US 4,300,280 AGranted
Hair dryer and method for producing a heating element therefor
AssigneeBraun GmbH
InventorsRudolf Majthan, Rolf Stuhler, Raymond G. Parsonage, Charles C. Packham
Life of this patent
Estimating the term…
Abstract
An axially compact hair dryer includes a cylindrical outer housing 1, an air outlet 2 at one end of the housing, an air inlet grate 3 at the other end, an electric motor 4 centrally mounted within the housing and driving a blower fan 5, and a generally cylindrical electric heating element 7 disposed in the otherwise wasted annular space between the motor and the housing.
Claims3
A method for making a cylindrical electrical heating element for hair dryers, comprising the following steps:
- (a) bending a flat strip of material made of Mekanite between two rollers,
- (b) flattening the bent strip of material,
- (c) transversely wrapping a heating wire around the strip of material, and
- (d) bending the strip of material with the heating wire wrapped therearound into a cylinder.
1 more element
Dependencies are inferred from the claim text.