JP2001008723A - Heating implement - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a heating implement for heating the hair and head skin which is capable of rapidly and sufficiently heating even the hair wet with a hair treating agent and capable of rapidly, sufficiently, easily and efficiently executing hair treatments, such as softening of the hair, elasticity imparting and dyeing, and head skin treatments, such as hair growing and hair restoring treatments and obviating the occurrence of uneven heating. SOLUTION: This heating implement for heating the hair and head skin consists of a cap 2 having a heating section 20. The heating section 20 consists of an air permeable sheet 25, an inner layer sheet 23 as a fixing sheet and a heating element held and fixed by these two sheets 25, 23. The moisture vapor transmission rate of the air permeable sheet 25 is 300 to 400 gr/m2.day.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

FIELD OF THE INVENTION The present invention provides a quick and sufficient
The present invention relates to a heating device for heating hair and scalp that can heat hair or scalp without uneven heating.

[0002]

2. Description of the Related Art There have been proposed various types of heating tools to be worn on the head when performing various hair and scalp treatments. In many of the tools, a pocket is provided in the cap main body, and a commercially available rectangular warmer is inserted into the pocket and used (Japanese Utility Model Publication No. 58-45601, JP-A-10-108).
No. 79). However, commercially available warmers are designed to weaken the heat generation performance so as not to cause low-temperature burns in order to warm the skin for a long time. On the other hand, the hair to which the hair treatment agent has been applied has a high specific heat because it is wet, and cannot be sufficiently heated with the heat generation performance of a commercially available warmer. For this reason, the conventional heating tools had problems such as an insufficient treatment effect in hair treatment, and the same staining as in room temperature treatment.

[0003] Accordingly, an object of the present invention is to enable quick and sufficient heating even of hair wet with a hair treatment agent, and hair treatment such as softening, straightening, elasticity imparting, and dyeing. An object of the present invention is to provide a heating device for heating hair and scalp, which can perform scalp treatment such as hair growth and hair growth treatment quickly, sufficiently, easily and efficiently, and does not cause uneven heating.

[0004]

SUMMARY OF THE INVENTION The present invention relates to a heating device for heating hair and scalp, comprising a cap having a heating portion, wherein the heating portion comprises a breathable sheet, a fixing sheet, and both ends. The air-permeable sheet is provided with a heating element which is held and fixed by a sheet, and has a moisture permeability of 300 to 4000 gr.
The above object has been attained by providing a heating tool having a capacity of / m ² · day.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a preferred embodiment of the present invention will be described in detail. The heating tool 1 according to the present embodiment includes:
As shown in FIGS. 1 and 2, this is a heating tool for heating hair and scalp, comprising a cap (hereinafter referred to as “heating cap”) 2 having a heating section 20. Heating device 1 in the present embodiment
The heating section 20 is formed by a plurality of heating bodies 24, and the heating cap 2 is provided with a heating sheet 2 having the heating section 20.
1 are joined together. Therefore, two heating units 20 are provided on both front and rear sides of the heating device 1.

Thus, in the heating device of the present embodiment, the heating portion 20 includes a heat-generating body (which is sandwiched and fixed by the breathable sheet 25, the inner layer sheet 23 as the fixing sheet, and the two sheets 25 and 23). (Not shown)).
Has a moisture permeability of 300 to 4000 gr / m ² · da
y, preferably 500 to 2000 gr / m ² · day. If the moisture permeability is less than 400 gr / m ² · day, there is a problem that the hair wet with the hair treatment agent is not sufficiently heated, and the moisture permeability is 4000 gr / m ² · day.
If the temperature exceeds the above, there is a problem that the temperature of the heating body is too high, which is dangerous, and that the heating section expands due to steam generated from the heating body. The moisture permeability is measured under the conditions of a temperature of 25 ° C. and a relative humidity of 90% according to the method of JIS Z0208.

More specifically, the heating device 1 of the present embodiment
The entire heating sheet 21 is composed of a water-impermeable, water-resistant inner layer sheet 23 for fixing, and a permeable sheet 25 disposed over the entire surface of the inner layer sheet 23, and a plurality of heating sheets 21. The body 24 includes the inner sheet 23 and the breathable sheet 2
5 and the heating element is held and fixed. The heating cap 2 is formed such that the two peripheral sheets (curved peripheral parts 22 a) of the two substantially identical heating sheets 21 are formed such that the opening 4 of the cap is formed and the inner layer sheet 23 is formed. It is joined and fixed so as to form the inner surface of the cap. The curved peripheral portion 22a is joined and fixed by heat sealing by bringing the air permeable sheets 25 into contact with each other, and the sealed portion is located on the inner surface side of the heating cap 2 (heating tool 1). I have. Further, the respective heating bodies 24 are separated from each other by joining the inner layer sheet 23 and the air permeable sheet 25, respectively.

The heating section 20 has a shape in which a plurality of heating bodies 24 are arranged in a substantially elliptical shape, and both ends of the ellipse in the longitudinal direction are cut off. In the present embodiment, six heating bodies 24 are arranged, and the heating unit 20 is divided into six.
Are formed.

The heating cap 2 of the present embodiment is
The length L of the semi-peripheral edge of the opening 4 is preferably 32 to 4
It is 2 cm, more preferably 35 to 39 cm. Also,
The depth T of the heating cap 2 is preferably 15 to 23c.
m, more preferably 17 to 21 cm. The length L
Is set to 32 cm or less, for many people,
It becomes difficult to cover the heating cap, and by setting the length to 42 cm or more, a large gap is formed between the heating cap and the head, and the heating efficiency is poor. By setting the depth T to 15 cm or more, it becomes easy for many people to wear the heating tool, and by setting the depth T to 23 cm or less, without creating a gap between the heating tool and the head, Heating efficiency can be improved. Here, the “depth” is the height of the inner surface of the heating cap 2, and the cap is folded (in the present embodiment, folded so that the front and the rear of the cap are in contact with each other to have a semicircular shape). ) The periphery of the opening is a straight line, and means the length of a line connecting the center point of the linearly formed periphery of the opening and the vertex of the cap.

The heating section is formed by a plurality of heating bodies, and the interval between two adjacent heating bodies is preferably 80 mm or less, more preferably 40 mm or less, and more preferably 20 mm or less. Is particularly preferred, and most preferably 10 mm or less. By setting the interval to 80 mm or less, heating unevenness does not occur. The interval between the heating elements 24 means an interval between the storage sections in which the heating elements are stored in the heating element 24, that is, an interval between the storage sections where the heating elements can exist. Therefore, the heating body
In the case where the air-permeable sheet, the back sheet, and the heating element are formed and the air-permeable sheet and the back sheet are sealed outside the periphery of the heating element, the sealing portion is removed. Is the interval.

The heating cap 2 of the present embodiment is
An opening-side region 42 located on the opening 4 side, in which the cross-sectional area of the heating cap decreases gradually toward the top 11, and a cross-sectional area of the heating cap located on the top 11 side, facing the top The opening-side region 42 and the top-side region 12 are separated by the step portion 8 in which the cross-sectional area of the heating cap 2 decreases rapidly. Since the top-side region 12 is narrow and the opening-side region 42 is wide, both the adhesion of the cap to the head and the easiness of covering are achieved.

Further, in this embodiment, there is provided an opening edge contacting means 5 for bringing the edge 41 of the opening 4 into close contact with the wearer's head. Specifically, the opening edge contacting means 5 is provided over substantially the entire area of the edge 41 of the opening 4, and has a tubular edge 51 having two ends 51 a, and both ends of the edge 51. A string member 52 is inserted through the inside of the edging portion 51 so as to extend from the end 51a. By providing the opening edge contacting means 5, when the hair and scalp warming tool 1 of the present invention is worn, the edge 41 of the opening 4 can be fixed to the head in close contact. .

Further, in the present embodiment, there is provided an opening-side area contact means 6 for bringing the opening-side area 42 located on the opening 4 side into close contact with the wearer's head. Specifically, the opening-side region close-contact means 6 is detachably engaged with the female member of the mechanical fastener as the engaging member 61 disposed along the periphery of the opening 4 and the engaging member 61. The fastening portion 63 is constituted by a fastening member 62 made of a fastening tape having a male member of a mechanical fastener. Fastening member 62
Is composed of a wide fixed portion 64 and a free portion 65 which is narrower than the fixed portion 64 and has a fastening portion 63 disposed on the distal end side. Then, the fixing portion 64 is heat-sealed obliquely downward to the heating sheet 20 on the rear surface side in FIG. 1 such that the free portion 65 faces downward. The engaging member 61 has a rectangular shape, and is arranged on the heating sheet 20 on the front surface side in FIG. 1 so as to be located on the opening 4 side, that is, below the cap. The end portions 51a, 51a are also located below the engaging member 61, and the engaging member 61 and the end portions 51a, 51a
Is worn in front of the wearer in such a manner that the wearability is most excellent.

A high heat conductive sheet is disposed between the plurality of heating elements 24 (not shown). The high thermal conductive sheet is arranged so as to fill the gaps between the heating elements so as to connect the heating elements 24. Thereby, uneven heating can be further reduced.

As the inner sheet 23, a material having water resistance and flexibility, for example, a polyethylene sheet, a polypropylene sheet, a vinyl chloride sheet or the like is used. As the breathable sheet 25, any material can be used without particular limitation as long as it satisfies the above-mentioned moisture permeability. For example, a porous polyethylene film obtained by stretching a polyethylene resin, or a polyethylene laminate film having a needle hole formed therein is used. Specific examples of the former include products manufactured by Nitto Denko, trade name "Preslon", manufactured by Kojin, trade name "T
SF "and the like, and the latter include a Nihon Matai needle opening sheet and the like.

In the present embodiment, the heating element 24 is a heating element containing iron powder as a main component and generating heat when it comes into contact with air, similarly to a normal disposable body warmer. In this case, the heating device 1 may be sealed with a non-breathable sheet, opened at the time of use, and attached to the outer portion.

The heat generation temperature and heat generation time of the heating cap 2 of the present embodiment can be appropriately adjusted depending on the air permeability of the air permeable sheet and the composition of the heat generating composition. When put on wet hair, it rises to 35-40 ° C within 10 minutes,
It is preferable to adjust the temperature so as to have a temperature characteristic to be maintained for 120 minutes for heating the hair scalp.

The heating device 1 of this embodiment covers the head from the opening 4 and tightens the string member so that the opening edge is brought into close contact with the head by the opening edge contacting means. The attachment portion is engaged with the engagement member, and the opening side region is brought into close contact with the head. Since the heating device 1 of the present embodiment uses the above-described breathable sheet, it is possible to quickly and sufficiently heat even hair wet with the hair treatment agent, and with such a simple operation, Since the heating and treatment of the hair and scalp can be performed safely and the hair and scalp adhere to the head, uneven heating is unlikely to occur.

The heating device according to the present embodiment forms a heating element by sealing a heating element at a predetermined position between the two sheets while bonding the inner layer sheet and the air permeable sheet. The heating element-containing sheet forming step to be prepared, the obtained heating element-containing sheet is folded in two with the air-permeable sheet side inside, or the obtained heating element-containing sheet is folded into two pieces with the air-permeable sheet inside. The heating cap is manufactured by performing a sealing step of sealing the overlapped edge portion and the overlapped edge portion to insulate the heating element from the outside air,
Further, it can be obtained by passing a string member through the edge of the opening and performing a contacting means forming step of attaching the fastening member and the engaging member in a conventional manner.

In the above-described embodiment, the heating device is described by exemplifying only the heating cap. However, the heating device is further provided with a gas-permeable and water-impermeable outer layer outside the gas-permeable sheet. It is also possible to use an external cap having an outer cap, in which an outer cap made of a sheet is provided and both are fixed on their opening side. The outer layer sheet used at this time is a gas permeable / non-water permeable sheet which has water resistance and heat retention. For example, a gas permeable / non-water permeable sheet used for disposable diapers and the like is used. By providing the non-permeable outer layer cap, it can be used even in places where there is a risk of water being applied to the heating tool, such as in a bath. In this case, in the case of providing the opening-side region close-contact means, for example, in the case of providing the fastening member and the engaging member,
Both are provided on the outer layer sheet.

Further, the heating cap does not need to be formed of two heating sheets, but may be formed of one or three or more heating sheets, or may be formed of a heating sheet and a heating sheet. It may be formed by combining a normal resin sheet or the like that does not include a warm body.

The opening edge portion contacting means may be formed of an elastic body such as rubber in addition to the above-mentioned string member. In addition, the opening-side region close-contact means forms the fastening member and the engaging member with an adhesive tape and a peeling tape, a button and a string-shaped member, a hook-shaped member, and the like, instead of the male member and the female member of the mechanical fastener. can do. In addition, only one side may be used instead of the left and right pair.

[0023]

EXAMPLES Example 1 The following materials were used as the air-permeable sheet, inner layer sheet, and heating element, and the half-periphery length was 3
7 cm, height is 21 cm, distance between each heating body is 2 cm, and the size of the heating section is approximately 17 cm height x width of approximately ellipsoid
A heating tool of 4 cm shown in FIG. 1 was prepared. -Breathable sheet; thickness 0.2 mm, moisture permeability 800 gr /
m ² · day · Inner layer sheet; thickness 0.06 made from polyethylene
mm. Heating element: iron powder as a main component, and sodium chloride,
Activated carbon, calcium silicate, vermiculite, and water were added in amounts of 1.8, 11.4, 4.8,
An aggregate of powders to which 10.4 and 31.6 parts by weight are added.
In addition, 10.6 to 10.7 g of each heating body was used.

Comparative Example 1 The moisture permeability of the breathable sheet was 28
A heating tool was obtained in the same manner as in Example 1 except that 0 gr / m ² · day was used. [Comparative Example 2] The moisture permeability of the breathable sheet was 4300 gr / m.
^A heating tool was obtained in the same manner as in Example 1 except that ² days were used.

The obtained heating device was used and tested according to the following test. The results are shown in [Table 1]. Usage: 100 gr of water thickened using 2 gr of xanthan gum and monitor 5 of medium hair (38 cm)
After applying to the name hair, place multiple thermocouples in appropriate places in the hair, further attach a heating tool, monitor the temperature and record the feeling of the subject at the same time, and record the following evaluation items evaluated. -Quickness: The following evaluation items were used to evaluate whether rapid heating was possible. A: The average of each thermocouple reached 40 ° C. within one minute. ；: The average of each thermocouple reached 40 ° C. in 1 to 5 minutes. ×: The average of each thermocouple reached 40 ° C. in 5 minutes or more. Heating performance: The monitor was evaluated as to whether it felt warm, just right, or whether it felt too thick or too hot. Uniformity: If the temperature difference between the thermocouples was within ± 5 ° C., it was regarded as uniform, and was evaluated as ○.・ The blisters of the heating section were visually checked. If there was swelling, it was judged as “present”, and if there was no swelling, it was judged as “absent”.

[0026]

[Table 1]

[0027]

The heating device of the present invention can quickly and sufficiently heat even hair wet with a hair treatment agent, and can be used for hair softening, straightening, elasticity imparting, dyeing, etc. A scalp treatment such as a treatment, a hair growth treatment, a hair restoration treatment, etc. can be performed quickly, sufficiently, easily, and efficiently, and moreover, it is difficult to cause uneven heating.

[Brief description of the drawings]

FIG. 1 is a plan view showing one embodiment of a heating device of the present invention.

DESCRIPTION OF SYMBOLS 1 Heating tool 11 Top part 12 Top part side area 2 Heating cap 20 Heating part 21 Heating sheet 23 Inner layer sheet 24 Heating body 25 Breathable sheet 4 Opening 41 Edge 42 Opening side Area 5 Opening edge contacting means 51 Edge section 52 String member 6 Opening side area means 61 Engaging member 62 Fastening member 63 Fastening section 8 Stepped section

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Takashi Ito 2-1-3 Bunka, Sumida-ku, Tokyo Inside the Kao Research Institute (72) Inventor Hiroaki Kobayashi 2606 Kabane-cho, Kagamachi, Haga-gun, Tochigi Kao Corporation Inside the research institute (72) Inventor Masanori Shigene 2-1-3 Bunka, Sumida-ku, Tokyo Within the Kao Research Institute (72) Inventor Akira Noda 2606, Akabane, Kakaicho, Haga-gun, Tochigi Prefecture Within the Kao Research Institute (72 Inventor Koji Amimura 2606 Akabane, Kaiga-cho, Haga-gun, Tochigi Pref.

Claims (1)

[Claims] 1. A hair comprising a cap having a heating section.
A heating tool for heating the scalp, wherein the heating unit includes a breathable sheet, a fixing sheet, and a heating element sandwiched and fixed between the two sheets. Humidity 300-4000g
A heating tool that is r / m ² · day.