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Патент USA US3058242

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Oct. 16, 1962
Filed Se-pt. 4, 1958
A ugust @u/z]
United States Patent 0
August Guhl, Wilfried Strasse 7, Zurich, Switzerland
File-d Sept. 4, 1958, Ser. No. 759,019
2 Claims. (Cl. 34-99)
When drying hair, for example when washing, dyeing,
Patented Oct. 16, 1952
thereby is mixed with the air stream which enters through
the louvers 11. Outside air enters through the louvers
11. The outside air drawn into the upper end of the hood
through the openings 11 by means of the fan blades 8
passes over the lower side of the ozone generator 4 and
is at that point mixed with the generated ozone and this
mixture will thereafter pass over the heating wires 5 and
be warmed. This operation de?nitely results from the
bleaching or undulating same, it is known to set certain
showing of the apparatus in the ?gure of the drawing so
hoods on the head in order to render possible a rapid dry 10 that the air is mixed with the ozone and then heated.
ing of the hair. Such hoods are provided with a blower
The drawing is believed to show that the ozone gener
and a heating element.
ated by the member 4 mixes with the air drawn in through
When bleaching, dyeing and undulating the hair of
the inlets 11 and this mixture ‘being drawn downwardly
human heads, oxygen is required for bringing about an
by the fans 8 passes over the resistance elements 5 to
om'dation, the oxygen being mixed with steam and car 15 be heated. Oxygen and warm air, well mixed, pass to
ried thereby to the point of application. The outflowing
the hair, said air being dry having been heated by the
gaseous media propagate very obnoxious odors which are
element 5. The ozone, which is indispensable for aiding
the process of oxidation when bleaching, dyeing and un
but also for other persons in the more or less immediate
dulating the hair, thus is generated within the hood and
vicinity. A further inconvenience is that the air in the 20 in vicinity of hair contact. Of importance is that the ozone
room or rooms is impaired with a more or less perma
generated is not contacted by nor mixed with steam, since
nent e?ect.
thereby the favorable e?ect would be impaired, as con
The subject matter of my present invention is a method
tact with wet elements lead to a spontaneous decomposi
of applying active oxygen when drying hair on the hu
tion of the ozone.
man head, and a device for carrying out such method. 25
While the invention has been described in detail with
Said method is characterised in that active oxygen is
respect to a now preferred example and embodiment of
produced directly within the range or" the point of treat
the invention it will be understood by those skilled in
ment and is fed, by means of dry and warm air as car
the art after understanding the invention, that various
rier, to the hair to be dried. The device ‘suitable for
changes and modi?cations may be made without depart
carrying into effect said method comprises a hood known
ing from the spirit and scope of the invention and it is
per se, and is characterized by the fact that in said hood
intended, therefore, to cover all such changes and modi
very inconvenient not only for the person ‘being treated
are arranged in sequence an electrical ozone generator,
a heating element and a blower; the whole in such ar
rangement that the generation of oxygen, the mixing of
?cations in the appended claims.
Having thus described my invention, I claim as new
and desire to secure by Letters Patent:
the latter with warm air, and the feed of said air and 35
1. A device for drying human head of hair comprising
oxygen to the points of hair treatment take place immedi
an upper hood portion and a lower hood portion, said
ately above the latter within said hood.
portions being separated by a perforate partition, air in
One form of the invention is shown, by way of exam
let means in said upper hood portion and blower means
ple, in the drawing which is a side view partly in section.
mounted in said upper hood portion below said air inlet
A hood 1 known per se and open at its lower end, 40 means for drawing air in through said air inlet means
is adjustably mounted on an articulated stand 2. The
and ‘for delivering air to said lower portion, heater means
lower rim of the hood is inwardly arched at 3. On the
mounted in said upper hood portion, and ozone generat
middle portion of the hood is mounted an ozone gener
ing means mounted in said upper hood portion above
ator 4 which functions according to the principle of
and in close proximity to said heater means, whereby
quiescent discharge of which the construction per se is 45 said air drawn into said upper hood portion is ozonized
known. Of importance merely is that quiescent dis
charges occur, in contradistinction to discharges with
open spark gaps. Oxygen generated by means of open
spark gaps is not suited for drying hair for the purpose
and heated prior to delivery to said lower hood portion.
2. A device for drying human head of hair comprising
an upper hood portion and a lower hood portion, said
portions being separated by a perforate partition, means
for circulating air through said upper hood portion and
envisaged, since thereby is produced besides ozone a sub 50
from said upper hood portion to said lower hood por
stantial amount of nitric oxide of which the presence is
tion, heater means mounted in said upper hood portion
impermissible for hair drying. Spaced below the ozone
in the path of said circulating air, ozone generating means
generator and inside the hood is disposed an electrical
in said upper hood portion in the path of said circulating
heating element 5 of annular shape and comprising two
spaced, superposed resistance wire coils. In place of the 55 air above said heater means, whereby said air in said
upper hood portion is ozonized and heated prior to de
latter may be used an infra-red element. Disposed be
livery to said lower hood portion.
low the heating element 5 is a blower formed of a motor
6 mounted centrally in the hood and fan blades 8 mount
References Cited in the ?le of this patent
ed on the axle 7 of said motor. A closure grating 9
prevents access to the parts 4, 5 and 8. By means of a
regulator 10, the ?ow of current and, therefore, the
Re. 19,724
may be set or determined as desired.
The ozone (O3) generated by the ozone generator is 65 2,097,952
drawn downwardly by the blower or blades and fed
through the grating 9 to a point of hair contact which
is situated within the range of the open hood space. The
Martin ______________ __
Gallagher ___________ __
Ronzi ______________ __
Lohr ________________ __
Willat _________ __'_____
Elsasser et al. ________ __
Maccallum __________ __
Oct. 15,
Feb. 23,
Oct. 12,
Nov. 2,
Dec. 16,
Feb. 15,
July 17,
oxygen passing from the ozone generator is de?ected by
the motor housing 6 towards the heating element and 70 1,144,443
France _____________ __ Apr. 23,
amount of ozone to be produced by the generator 4,
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