JPH0498146A - Method for combing force of hair - Google Patents

Abstract

PURPOSE:To accurately and continuously measure the variation 'combining force' conforming to a process using a hair treating agent by continuously measuring the variation of a load applied to a hair bundle or a contact during the combining-operation of the hair bundle in hair treatment. CONSTITUTION:A hair bundle 1 is fixed to a suspended tool 2 to be hung from a measuring device 7a. A quantitative pump 3a is actuated based on a command from a computer 7b to spray a hair treating agent on the hair bundle 1 from a spray nozzle 3c. The elapse of a spraying time causes the stop of the quantitative pump 3a, the actuation of a quantitative pump 4a, and the spraying of washing water to the hair bundle 1 from a spray nozzle 4c to wash off the hair treating agent. The quantitative pump 4a is stopped, and the drying hot air fan 5a of a drying means 5 is actuated to dry the hair bundle 1. A contact 6 is passed through the hair bundle 1 during hair treatment, and operation, for moving the contact 6 from the upper part to the lower part of the hair bundle 1, is repeated to measure a load applied to the hair bundle 1 with a detector 7a. A measured result is displayed via the computer 7b.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a method for measuring hair combing force and a device for measuring the same. The present invention relates to a hair combing force measuring method and apparatus for continuously measuring changes in force in 45 ways during the hair treatment process of rinsing and drying the bundle. It is possible to know the influence and effect on the system with high precision.

[Conventional technology]

When hair is combed with a brush or a comb, the resistance force against combing, ′° < combing force ゛°, differs depending on the condition of the hair surface. Measuring this "passing force" is important in accurately understanding the effects and effects of hair treatment agents such as shampoos and conditioners on hair.

Conventionally, as a method to measure the "combing force" of hair,
For example, a method is known in which a hair bundle is suspended from a load detector, and when a brush is passed through the hair bundle in this state, the load applied to the load detector is measured (J, Soc,
Cosmet, Chem, 27.379-398 (
September 1976), etc.).

[Problem to be solved by the invention]

However, the above-mentioned method only measures the "combing force" before and after treatment with a hair treatment agent such as a conditioner, sprays the hair treatment agent, rinses the hair, and then dries the hair. It was not designed to measure the change in the "passing force" during the hair treatment process, that is, the change in the "passing force" during the process of actually using the hair treatment agent.

For this reason, even if a hair treatment agent is evaluated on hair based on the ``combing force'' measured by the method described above, it may not match the sensory relative evaluation by an expert panel. In reality, the evaluation of processing agents has had to rely on methods based on sensory evaluation by specialized panels and the like.

Therefore, it is an object of the present invention to be able to accurately and continuously measure changes in the cuffing force during the process of actually using a hair treatment agent, and to enable the measurement results to be used in a relative sensory evaluation by a panel of experts. An object of the present invention is to provide a method for measuring hair combing force and a measuring device for the same.

[Means to solve the problem]

The present invention performs hair treatment by spraying a hair treatment agent on a hair bundle, rinsing the hair bundle, and then drying the hair bundle, and also brings a brush, comb, etc. into contact with the hair bundle during the hair treatment. A combing operation is performed by repeating the operation of moving either the hair bundle or the contactor multiple times with the hair passed through the hair, and during the combing operation, the hair bundle or the contactor is moved through the hair bundle or the contactor. The above object has been achieved by providing a method for measuring hair combing force, which is characterized by continuously measuring changes in applied load.

The present invention also provides a preferred apparatus for carrying out the above method, including a holding means for holding a hair bundle, a hair treatment agent dispersing means for spraying a hair treatment agent onto the hair bundle, and a hair treatment agent spraying means for spraying a cleaning liquid onto the hair bundle. a drying means for drying the hair bundle; and a hair treatment agent dispersing means.During the hair treatment by the rinsing means and the drying means, a brush is applied to the hair bundle. , performing a combing operation by repeating a combing operation in which either the hair bundle or the contactor is moved multiple times with a contactor such as a comb passed through the hair bundle; during the combing operation, the hair bundle is Another object of the present invention is to provide a hair combing force measuring device characterized by comprising a measuring means for continuously measuring changes in the load applied to the contactor.

[Operation] According to the hair combing force measuring method of the present invention using the hair combing force measuring device of the present invention, a hair treatment agent is sprayed on a hair bundle, the hair bundle is rinsed, and then the hair bundle is At the same time as performing a hair treatment to dry the hair, an operation of moving either the hair bundle or the contact while passing a contact such as a brush or a comb through the hair bundle during the hair treatment is performed multiple times. Since the combing operation is repeated and the change in the load applied to the hair bundle or the contact is continuously measured during the combing operation, the combing operation is performed in accordance with the process of actually using the hair treatment agent. Changes in combing force can be seen, and the effects and effects of hair treatment agents on hair can be determined with high precision.

〔Example〕

The present invention will be explained in detail below.

First, an embodiment of the hair combing force measuring device of the present invention will be described with reference to the drawings.

1 to 3 show an embodiment of the present invention, FIG. 1 is a schematic explanatory diagram of the entire device, FIG. 2 is a block diagram of the device,
FIG. 3 is a flowchart for explaining the operation of the device.

As shown in FIG. 1, the hair combing force measuring device according to this embodiment includes a hanging tool 2 as a holding means for holding one end of a hair bundle 1 and suspending it from the top of a device frame 8; Hair treatment agent dispersing means 3 for spraying a hair treatment agent onto the hair bundle 1
, a rinsing means 4 for squirting a cleaning liquid (washing water) onto the hair bundle 1 to rinse the hair bundle, a drying means 5 for drying the hair bundle 1, a contactor 6 such as a brush or a comb, and the hair bundle. 1, and a measuring means 7 for continuously measuring changes in the load applied to the hair bundle. During the combing operation, the combing operation is performed by repeating the combing operation multiple times in which the contactor 6 is passed through the hair bundle 1 and the contactor 6 is moved relative to the hair bundle 1,
By the measuring means 7, the hair bundle 1 (hanging tool 2
) to continuously measure and record changes in the load applied to it.

There are several types of hair bundles 1, such as those made of hard type hair and those made of soft type hair.

The hair treatment agent dispersing means 3 includes a metering pump 3a, a tank 3b filled with a hair treatment agent such as conditioner or shampoo, and connected to a suction port of the metering pump 3a and a discharge port of the metering pump 3a. and spray nozzles 3c for uniformly spraying the hair treatment agent onto the hair bundle 1 in a shower-like manner, and the spray nozzles 3c are arranged at symmetrical positions on the device frame 8, respectively. There is.

The rinsing means 4 includes a metering pump 4a and a tank 4 filled with washing water and connected to a suction port of the metering pump 4a.
b, and an injection nozzle 4c that is connected to the discharge port of the metering pump 4a and sprays washing water evenly onto the hair strand 1 in a shower-like manner.
c are arranged at symmetrical positions on the device frame 8, similarly to the injection nozzles 3c.

As the drying means 5, a blower (warm air fan for drying) 5a having a built-in heater 5b is used. The hot air drying fans 5a are arranged at symmetrical positions on the device frame 8, similar to the injection nozzles 30 and the like.

Further, the measuring means 7 has a hook 7 al for hanging the hanging tool 2, and is equipped with a load cell or the like disposed at the center of the upper part of the device frame 8 to measure the load applied to the hair bundle 1. A measuring device 7a, a computer 7b that inputs and processes the measurement signal from the measuring device 7a, a recorder 7c that continuously records the "combing force" that is the measurement signal processed by the computer 7b, and the above-mentioned The device is equipped with a display 7d that continuously displays the combing force.

Here, as shown in FIG. 2, the computer 7b includes a CPU 7e, a ROM 7f that stores a control program for the CPU 7e, and a RAM 7 bit that temporarily stores the measurement signal from the measuring instrument 7a. And the above CPU7
e, and an interface 7h that connects the metering pump 3a, the metering pump 4a, the drying means 5, the recorder 70, and the display 7d.

In addition to inputting and processing the measurement signal from the measuring device 7a as described above, the computer 7b also processes the metering pump 3a, according to the flowchart shown in FIG.
It controls the metering pump 4a and the drying means 5. Although not shown in the drawings, the interface 7h is equipped with an A/D converter and a D/A converter.
The measurement signal from the measuring device 7a is input into the computer 7b after being digitized by an A/D converter, and the signal from the computer 7b is converted into an analog signal by a D/A converter and then input to the recorder 7c, etc. Output.

The contact 6 such as the brush or comb mentioned above is not particularly limited in its material, shape, etc., but it is preferably a low-density flocked type using synthetic resin hair or animal hair.

Also, the number of combing times is arbitrary, but 20 to 6 combs per minute.
Approximately 0 times is preferable; if the interval is too long, it will be difficult to measure in accordance with sensory evaluation.

Next, an embodiment of the hair combing force measuring method of the present invention will be described using the above device.

First, the hair bundle 1 is fixed to the hanging tool 2, and suspended from the measuring device 7a via the hanging tool 2. Next, when the computer 7b is activated, the computer 7b
Based on instructions from the CPU 7e, the contents of the flowchart shown in FIG. 3 are executed.

That is, in step 10, the metering pump 3a is activated, and a hair treatment agent, such as a rinse, is sprayed onto the hair bundle 1 from the spray nozzle 3c. Then, when it is determined in step 11 that the spraying time has elapsed, the metering pump 3a stops,
Next, in step 12, the metering pump 4a is activated, and hair rinsing is performed in which washing water is sprayed onto the hair bundle 1 from the spray nozzle 4C to wash away the hair treatment agent. When it is determined in step 13 that the rinsing time has elapsed, the metering pump 4a is stopped, and the process proceeds to step 14, where the drying warm air fan 5a of the drying means 5 is activated to dry the hair bundle 1. Then, when it is determined in step 15 that the drying time has elapsed, the drying means 5 is stopped.

During such hair treatment, the contact 6 is passed through the hair bundle 1,
When the combing operation of moving the hair bundle 1 from the top to the bottom is repeated several times manually, the load applied to the hair bundle 1 is continuously measured by the measuring device 7a. Then, this measurement signal is sequentially transmitted to the computer 7b.
, the computer 7b sequentially processes the manually input signals and outputs only the maximum value measured during each combing operation to the recorder 70 and display 7d. As a result, the recorder 70 continuously records the change in the ``comb passing force'', while the display 7d similarly continuously displays the change in ``the comb passing force''.

As mentioned above, if we continuously measure the changes in °°<passing force' during hair treatment, we can see that the process in which the hair treatment agent spreads and sinks into the hair bundle 1, the process in which the hair bundle 1 is rinsed, and The change in combing force during the process of drying the hair bundle 1, that is, the change in combing force during the process of actually using the hair treatment agent, can be seen. It is possible to accurately know the influence and effect on the skin, and it is consistent with the sensory relative evaluation conducted by expert panels.

FIG. 4 is a graph showing changes in "combing force" measured by the above method using two types of rinses.

In the same graph, the vertical axis is "'< force passing through"' (g
The horizontal axis indicates time (sec). Further, the symbol A in the same graph indicates the change in "combing force" when rinse A is used, and the symbol B indicates the change in "combing force" when rinse B is used.

The rinse application time was 200 seconds. The amount of rinse applied was 10% based on the weight of the hair bundle.

Further, the amount of washing water was set to 21 per minute for 1 minute, and the rinsing time was set to 200 seconds. The hardness of the washing water was 4°DH, and the temperature was 40°C.

In addition, the heater 5b of the drying means 5 has a capacity of 100
A 0W one was used. The drying time was 200 seconds.

Further, as the contactor 6, a two-lined animal hair brush was used. The number of combing was 30 times per minute.

As is clear from the above graph, the "combing force" was greater in Rinse A than in Rinse B immediately before rinsing (after 200 seconds) and immediately after rinsing (after 400 seconds). However, in the rinsing process between immediately before and after rinsing, the "< passing force" of rinse A is the same as that of rinse B.
It was smaller than the ``passing force''.

From this, it was evaluated that treatment with rinse A had better combing performance than treatment with rinse B. This evaluation agreed with the sensory relative evaluation by an expert panel.

FIG. 5 is a graph showing another change in "combing force" measured using four types of treatments and using a method substantially similar to the above method.

Note that a hair bundle 1 made of hard type hair was used. Further, as the drying means 5, a towel was used instead of the hot air fan for drying as described above.

Further, the spraying time of the hair treatment agent was 120 seconds, the rinsing time was 140 seconds, and the drying time was 90 seconds.

In Fig. 5, the symbol C indicates the measurement result of the "combing force" when using Treatment C (damage required), and the symbol C indicates the "combing force" when using Treatment D (hard requirement). ”, and the symbol E indicates the measurement result “′” when using Treatment E (L type).
F indicates the measurement result of "'<passing force" when treatment F (hard material) is used.

As is clear from the graph above, just before rinsing, Treatment C (damage required) has the highest combing power, followed by Treatment D (hard treatment required), Treatment E (Light type), Treatment F ( The ``combing force'' of Treatment D (hard comb) was almost the same, but in the rinsing process, the combing force of Treatment D (hard comb)
<The passing force °゛ was the largest, followed by Treatment C.
(Damage required), Treatment E (L type), Treatment F (Hard type required).

From this, it can be seen that Treatment F (hard type) has the best combability, followed by Treatment 1-E (moist type), Treatment C (damage type), and 1Heritment D (hard type). (Required) was rated as having the worst combability. This evaluation agreed with the sensory relative evaluation by an expert panel.

In the present invention, instead of moving the contactor 6, the hair bundle 1 may be moved by winding it up with a motor or the like. In this case, the load applied to the contactor 6 may be measured using the measuring device 7a.

Further, the combing operation may be automatically performed by a machine.

Further, the measurement results of the measuring device 7a may be processed manually without using the computer 7b.

〔Effect of the invention〕

According to the method for measuring hair combing force of the present invention, it is possible to accurately and continuously measure changes in the combing force during the process of actually using a hair treatment agent, and the measurement results can be submitted to a professional panel. It agrees with the sensory relative evaluation by E. et al. Especially, if the hair combing force measuring device of the present invention is used, it can be easily measured with good reproducibility.

[Brief explanation of the drawing]

1 to 3 show an embodiment of the present invention, FIG. 1 is a schematic explanatory diagram of the entire device, FIG. 2 is a block diagram of the device,
FIG. 3 is a flowchart for explaining the operation of the device, and FIGS. 4 and 5 are graphs measuring changes in combing force. 1; Hair bundle 2; Hanging tool 31 Hair treatment agent dispersing means 4; Rinsing means 5; Drying means ゛
6; Contact 7; Measuring means

Claims (2)

[Claims] (1) performing hair treatment by spraying a hair treatment agent on the hair bundle, rinsing the hair bundle, and then drying the hair bundle;
A contact device such as a brush or a comb is passed through the hair bundle being processed, and the operation of moving either the hair bundle or the contact device is repeated several times to perform a combing operation. A method for measuring hair combing force, which comprises continuously measuring changes in the load applied to the hair bundle or the contact during the combing operation. (2) a holding means for holding a hair bundle; a hair treatment agent dispersing means for spraying a hair treatment agent on the hair bundle; a rinsing means for squirting a cleaning liquid onto the hair bundle to rinse the hair bundle; a drying means for drying the hair; and during the hair treatment by the hair treatment agent dispersing means, the rinsing means, and the drying means, the hair bundle or the contact with the hair bundle is passed through a contact such as a brush or a comb. a measuring means for continuously measuring changes in the load applied to the hair bundle or the contact during the combing operation, in which the combing operation is repeated multiple times to move either one of the hair strands; A hair combing force measuring device comprising: .