Toilet – Methods – Hair treatment by application of specific chemical composition
Reexamination Certificate
2000-07-05
2001-07-17
Manahan, Todd E. (Department: 3732)
Toilet
Methods
Hair treatment by application of specific chemical composition
C132S114000
Reexamination Certificate
active
06260557
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates to hair colorant applicators.
2. Description of Prior Art
Coloring of human hair is an old art. A common problem when using long-lasting hair dyes is the showing of non-colored hair emerging from the scalp as the hair grows. To avoid this revelation of non-colored hair, the choice is either to re-color all of the hair or to apply hair coloring to the scalp in a way that effects only the emerging new growth.
Re-coloring of hair is difficult, involving stripping of color, then application of the color of choice, and finally a rinse and set. This process often causes dry brittle hair, so it cannot be used very frequently. Often a better option is to apply colorant only to the scalp and hair root or base to match the previously colored hair.
The process currently used to color hair roots only is difficult. It involves partitioning or sectioning of the hair, then using a single-stream applicator to apply colorant to the exposed scalp and hair roots. This approach covers an area of approximately one-half to one square inch at a time, and must be repeated until the entire scalp and roots have been colored. This is time-consuming and arduous, and is also costly if done in a beauty parlor.
SUMMARY OF THE INVENTION
The objective of the present invention is provision of an applicator that applies colorant only to the base of a user's hair, easily and quickly, in order to color newly emerged hair without deepening the color of the rest of the hair.
This is achieved in a hair colorant applicator in the form of a hollow comb
1
with a threaded receiver top
2
that accepts standard plastic bottles
8
of hair colorant in the inverted position. The teeth of the comb are in the form of tubes. A hollow channel
5
in each tube
3
of the comb terminates in an orifice
4
a
at the tip of each tube. Hair colorant
9
flows from the bottle, through the body of the comb
6
, through the channels in the tubes, and exits the tips of the tubes. This applies the colorant at the base of hair near the scalp to maintain uniform hair coloring as the hair grows. Newly emerged uncolored hair near the scalp can be colored without deepening the color of the rest of the hair. The user squeezes the bottle of colorant as it is applied to control the flow rate.
REFERENCES:
patent: 812241 (1906-02-01), Shubert
patent: 1667631 (1928-04-01), Mach
patent: 2139904 (1938-12-01), Merrill
patent: 2381048 (1945-08-01), Habostad
patent: 3295537 (1967-01-01), Young
patent: 3477447 (1969-11-01), Eldredge
patent: 5555899 (1996-09-01), Foreman
patent: 857852 (1952-12-01), None
patent: 461339 (1913-12-01), None
patent: 438005 (1935-11-01), None
Comstock David
Manahan Todd #E.
Stewart John V.
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