Electric heating – Heating devices – Tool or instrument
Patent
1987-05-19
1989-09-12
Bartis, Anthony
Electric heating
Heating devices
Tool or instrument
132229, 132232, 219230, A45D 104, A45D 212, H05B 300
Patent
active
048662488
ABSTRACT:
A hair curling apparatus includes a single elongated thermally conductive heating mandrel secured to the end of an elongated handle in axial alignment therewith and having two wide similar opposing surfaces joined by two narrow convex opposing surfaces with a radius of about 0.09 inch. The mandrel as of such length that hair strands may be helically wrapped therearound in a plurality of turns and a spring-biased manually operable hair clamp is pivotally mounted at the handle end of the mandrel for clamping the ends of the hair strands against the mandrel before they are helically wrapped therearound. The mandrel may have a generally oval or flattened shape. The clamp has a clamping surface which extends across a portion of one of the wide surfaces while exposing substantially all of the convex surfaces to direct contact with the hair strands and extends less than about 50 percent, and preferably about 30 percent, of the usable length of the mandrel. The hair strands are wound helically around the mandrel without twisting and without overlapping the turns to create three-dimensional Z-shaped curls having a plurality of straight lengths joined by sharp curves.
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Bartis Anthony
Wahl Clipper Corporation
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