Toilet – Hair device – Comb
Patent
1990-09-20
1992-10-13
Mancene, Gene
Toilet
Hair device
Comb
132108, 401199, 401283, A45D 2416
Patent
active
051541939
DESCRIPTION:
BRIEF SUMMARY
The invention pertains to a device for continuously dispensing a hair dye onto the hair of the human head, said device having a reservoir for the hair dye, made of a first porous material, within a housing, and teeth made of a second porous material, inserted into the first porous material and in capillary connection with it.
A comb for continuously releasing a liquid material onto the hair and scalp of animals or humans is known (EP 0 157 032). This comb has a cavity in a narrow comb back with a hand grip on one side, in which cavity a first porous material for receiving and storing the liquid material is located. A plurality of teeth made of a second porous material, meshing into the first porous material, are in capillary connection with the first porous material, storing the liquid material, in the cavity. As a result, the liquid material can be applied, over the free ends and side surfaces of the teeth, to the hair and especially to the skin. This comb is especially suitable for treating animals with insecticides or the like. To achieve preferred wetting of the skin, the teeth are designed such that the releasing ability of the side surfaces of the teeth is greatly restricted, so that only a relatively small amount of treatment fluid is released.
In treating the hair on the human head with hair cosmetic products, such as hair dyes and the like, however, it is precisely important to avoid wetting the scalp insofar as possible and to release the product as uniformly as possible through the side surfaces of the teeth into the hair, which means release of a larger amount of treatment agent per unit time, and corresponding feeding from the reservoir to and through the releasing teeth. However, these requirements cannot be fulfilled satisfactorily with the above-described comb, since this comb preferentially releases treatment agent onto the skin, and in addition, continuous flow of a larger quantity of treatment agent from the reservoir into the teeth is not assured. This is primarily attributed to the fact that in the known comb, porous materials for the reservoir and the comb teeth are preferentially provided with nonoriented fiber arrangements, and the path of the treatment fluid is unfavorable, even if the comb handle is used as a reservoir for the treatment liquid.
The goal of the invention is that of creating a solution which ensures a reliable and uniform release of liquid hair dyes and the like in an adequate quantity onto the human head hair without wetting the scalp.
This goal is achieved in accordance with the invention with a device of the initially mentioned type in that the teeth, in the surface area of their free ends, are designed with closed pores, and that the main pore direction of the second porous material of the teeth and the first porous material of the reservoir is essentially uniformly parallel to the longitudinal direction of the teeth, wherein the pores of the first porous material are larger than the pores of the second porous material.
As a result of this arrangement, a uniform quantity of hair dye, sufficient for coloring, is released onto the hair of the head without wetting the scalp. In this process, the hair dye can only emerge through the side surfaces of the teeth, since the pores in the surface area of the free ends of the teeth are closed, so that no hair dye can reach the scalp. As a result of the parallel arrangement of the main pore directions of the porous materials of the teeth and the reservoir, a particularly good continuous flow of the hair dye from the reservoir into the teeth is achieved, so that a uniform quantity of hair dye is released at all times, and a correspondingly uniform hair coloring thus results. In addition, as a result of the extension of the first porous material of the reservoir over several times the penetration depth of the teeth in the penetration direction, it becomes possible to store a sufficiently large amount of hair dye, wherein as a result of the short, straight-line transport pathway, the hair dye can flow continuously from the fir
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Busch Peter
Thiele Klaus
Henkel Kommanditgesellschaft auf Aktien
Jaeschke Wayne C.
LaViola Frank A.
Mancene Gene
Szoke Ernest G.
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