Toilet – Nail device – Compound tools
Patent
1981-03-27
1983-12-27
McNeill, Gregory E.
Toilet
Nail device
Compound tools
34 78, A45D 2000
Patent
active
044224648
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The present invention relates to a method and apparatus for forming of hair. More specifically the invention relates to an apparatus in which a hair forming tool is communicating with one duct for the exhaust of air and one duct for the supply of air enclosing a heating means, whereby the tool is provided in such a manner that a strand of hair can be introduced into the same to be in contact with a stream of heated air, which flows from the air supply duct and to the duct for the exhaust of the air. The hair can hereby be formed by means of the heated air.
BACKGROUND
It is prior known, see SE-PS No. 364 432, BE-PS No. 621 488 and U.S. Pat. No. 3,107,675 to manufacture apparatuses for hair forming and drying comprising a spiral or otherwise curved chamber exhibiting an open orifice and in addition, located close to said orifice, an inlet from a first conduit, while the inner end of the chamber is connected to a second conduit. The first conduit starts from a chamber housing a heat generating element. The second conduit is connected with the suction side of a fan. Thus, hot air from the inlet at the orifice flows through the chamber in direction towards the second conduit, through which it is evacuated by means of said fan.
If a strand of hair is introduced through the open orifice, it will be carried along by the air stream and will be introduced into the chamber. The hair strand is heated by the hot air and takes the shape of the chamber by softening of the horny substance of the hair, which shape will be fixed if the hair is extracted and permitted to cool down in the acquired shape. The effect can be increased by using suitable liquids or by carrying out the forming operation while the hair is still wet after a wash. The acquired form can of course also be modified by means of combing after extraction from the chamber. Thus, an apparatus of this kind makes possible the forming of the hair in a simple manner, which moreover can be combined with drying.
TECHNICAL PROBLEM
However, it has turned out that these known apparatuses are not capable to bring about a durable formation of the hair. This is an especially great drawback in connection with apparatuses of the kind in question, as it is not possible to produce a pronounced curling of the hair. Thus, the relatively soft curl would require a great durability, as it does not permit any significant straightening out in order not to loose its curled form. As a result of these facts apparatuses of the kind mentioned have not found any widespread application.
THE SOLUTION
The invention solves said problem by means of a method, in which an apparatus of the kind mentioned is employed and by means of a modification of this type of apparatus. The invention means that the hair is treated in a carefully prepared sequence of operations, which in addition to heating also comprises cooling off of the curl formed.
ADVANTAGES
By means of the method and the apparatus respectively according to the invention a hair styling is obtained, which is much more durable than what has hitherto been possible with apparatuses of the kind in question. This is obtained without making the operation more complicated for the person who shall carry out the operation.
BRIEF DESCRIPTION OF DRAWINGS
Two embodiments of the invention are illustrated in the accompanying drawings, four variants being shown of one detail.
FIG. 1 is a side elevational view of the apparatus according to the first embodiment;
FIG. 2 is a cross-sectional view of the apparatus along the line II--II in FIG. 1 with the detail viz. the forming chamber, in its first variant;
FIG. 3 is a cross-sectional view corresponding to the cross-section illustrated in FIG. 2 and showing the forming chamber in a second variant;
FIG. 4 is also a cross-sectional view corresponding to the cross-section of FIG. 2 and showing the forming chamber in its third variant;
FIG. 5 is a side elevational view of a combing means, which forms an alternative to the forming chamber;
FIG. 6 is a partly broken side elevationa
REFERENCES:
patent: 3102941 (1963-09-01), Pope
patent: 3107675 (1963-10-01), Embiricos
patent: 3173428 (1965-03-01), Postel
patent: 3182666 (1965-05-01), Watkins
McNeill Gregory E.
NPI New Products Investment AB
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