Hair washing device and emulsification method

Abstract

To provide a hair washing device and an emulsification method that are capable of achieving proper emulsification over the entire hair or within a desired range.SOLUTION: A beauty treatment apparatus 1 includes a shower head 13 provided in a shampoo bowl, and a multiphase-flow generating device that mixes and aerates hot or cold water discharged from the shower head 13 to produce washing water. Because a peripheral portion 27 of a discharge surface 22 projects in the discharge direction beyond an outer peripheral discharge surface 26 and the outer peripheral discharge surface 26 is recessed, an emulsification-promoting space 33 is formed in front of the discharge surface 22 by the discharge surface 22 and the peripheral portion 27.SELECTED DRAWING: Figure 4

Description

[Technical Field]

[0001] The present invention relates to a hair washing device and an emulsification method. [Background technology]

[0002] Conventionally, treatment tables installed in hair salons and other beauty salons have shampoo bowls. Treatments such as shampooing, scalp massage, hair coloring, permanent waving, or hair treatment are performed in the shampoo bowl. For example, as described in Patent Document 1 below, in hair coloring, a chemical is applied to the hair, and after an appropriate time has passed, the chemical is washed off with a shampoo or the like. In the washing procedure for washing off the chemical, it is important to wash off the chemical in a short time and evenly without unevenness. If the chemical is not washed off properly during the washing procedure, unevenness may occur in the dyed hair.

[0003] During the washing process, emulsification is necessary to properly wash off the chemicals. Here, emulsification refers to efficiently delivering hot water to the hair dye and increasing the proportion of water in the hair dye to reduce the viscosity of the hair dye. When air is added to the shower water during emulsification, the air bubbles push the hair aside, allowing the hot water to be delivered more efficiently. Emulsification loosens the hair dye and makes it uniform within the application area, reducing color spotting and improving hair dye removal efficiency. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Patent Publication No. 2021-011436 Summary of the Invention [Problem to be solved by the invention]

[0005] In conventional treatments, it was difficult to reach the roots of the hair and emulsify it, so the therapist had to use ingenuity to emulsify it while parting the hair, which required skill and time. By reaching the roots of the hair and emulsifying it, the therapist has the advantage of reducing the number of times they have to massage the emulsified hair and shortening the time spent on treatment. The hairdressing and beauty industry has a demand for equipment and methods that can easily emulsify it.

[0006] The present invention has been proposed in view of the above-mentioned circumstances, and aims to provide a hair washing device and an emulsification method that can cause appropriate emulsification of the entire head of hair or a desired area. [Means for solving the problem]

[0007] In order to achieve the above object, the hair washing device of the present invention is characterized by comprising a multiphase flow generating device that converts hot and cold water for washing hair into a multiphase flow to generate wash water, and a shower head that discharges the wash water, and the water discharge surface of the shower head is recessed on the opposite side to the water discharge direction.

[0008] The hair washing device of the present invention is characterized in that the peripheral edge of the water discharge surface protrudes in the water discharge direction beyond the water discharge surface, thereby providing an emulsification promotion space formed by the water discharge surface and the peripheral edge in front of the water discharge surface.

[0009] The hair washing device according to the present invention is characterized in that the shower head has protrusions on the outer surface thereof.

[0010] The hair washing device according to the present invention is characterized in that the protrusion is located near the water discharge surface.

[0011] The emulsification method of the present invention uses the above-mentioned hair washing device to emulsify the hair of a person being treated, and is characterized by including the steps of: the practitioner gripping the shower head and placing the first joints of their fingers against the protrusions, thereby causing their fingers to protrude from the water discharge surface in the direction of the water discharge; placing the fingers protruding in the direction of the water discharge against the hair of the person being treated in a position that leaves a gap between the water discharge surface and the hair of the person being treated, and bringing the water discharge surface close to the hair; and discharging the cleansing water from the water discharge surface, bouncing off the hair, and being received by the water discharge surface, thereby causing the cleansing water to stagnate in the emulsification promotion space. [Effects of the Invention]

[0012] The hair washing device according to the present invention includes a multiphase flow generator that generates wash water by converting hot and cold water for washing into a multiphase flow, and a shower head that discharges wash water. The shower head's discharge surface is recessed on the side opposite the water discharge direction. For example, when wash water is discharged from the discharge surface while the water discharge surface is close to the hair of a person whose head is placed in a shampoo bowl, the wash water hits the hair and bounces back toward the discharge surface. The wash water forms a vortex between the discharge surface and the hair, entraining air, and momentarily stagnates there. When the wash water is added to the chemicals attached to the hair, the interface is activated, and emulsification occurs. The wash water, which is a multiphase flow of hot and cold water, hits the hair and stagnates there, thereby easily and appropriately emulsifying the hair in a short time. Furthermore, when the water discharge surface is close to the hair, the wash water reaches the densely packed roots, allowing emulsification to occur down to the roots. This allows for even emulsification of the entire scalp or a desired area of ​​the hair.

[0013] The hair washing device according to the present invention has an emulsification-promoting space formed by the water-spouting surface and the periphery in front of the water-spouting surface, as the periphery of the water-spouting surface protrudes in the direction of water spouting beyond the water-spouting surface. Because the periphery of the water-spouting surface protrudes, the water-spouting surface is cup-shaped, making it easy for wash water to accumulate. The wash water mixes with the chemicals in the emulsification-promoting space, which includes the inside of the cup shape, and emulsification occurs. Therefore, appropriate emulsification can be achieved easily and quickly across the entire head of hair or within a desired area.

[0014] The hair washing device of the present invention has protrusions on the outer surface of the shower head, which are located near the water discharge surface. For example, when a practitioner holds the shower head and places the knuckles of their fingers on the protrusions, their fingertips extend beyond the water discharge surface. When the practitioner places their fingertips against the patient's hair in this position, a suitable gap is created between the water discharge surface and the hair, naturally creating an emulsification-promoting space between the hair and the water discharge surface. This allows for appropriate emulsification to occur quickly and easily throughout the entire scalp or within a desired area.

[0015] The emulsification method of the present invention includes the steps of: a practitioner gripping the shower head and placing the first joints of their fingers against the protruding portions, thereby projecting their fingers from the water discharge surface toward the water discharge direction; placing the fingers projecting toward the water discharge direction against the hair of the recipient with a gap between the water discharge surface and the hair of the recipient, and bringing the water discharge surface close to the hair; and discharging the wash water from the water discharge surface, bouncing off the hair, and being received by the water discharge surface, thereby causing the wash water to accumulate in the emulsification-promoting space, thereby emulsifying the hair of the recipient. Therefore, appropriate emulsification can be achieved easily and quickly throughout the entire hair or within a desired area. [Brief explanation of the drawings]

[0016] [Figure 1] FIG. 1 is a perspective view of a beauty salon apparatus having a hair washing device according to an embodiment of the present invention. [Figure 2] FIG. 2 is a plan view of a shampoo bowl used in a hair washing device according to an embodiment of the present invention. [Figure 3] FIG. 3 is a top view of the shower head of the hair washing device according to the embodiment of the present invention. [Figure 4] FIG. 4 is a perspective view of a shower head of a hair washing device according to an embodiment of the present invention. [Figure 5] FIG. 5 is a front view of the shower head of the hair washing device according to the embodiment of the present invention. [Figure 6] FIG. 6 is a side view of the shower head of the hair washing device according to the embodiment of the present invention. [Figure 7]7 is a cross section taken along line VII-VII in FIG. 5, and is a first cross-sectional side view of the shower head of the hair washing device according to the embodiment of the present invention. [Figure 8] 8 is a cross section taken along line VIII-VIII in FIG. 5, and is a second cross-sectional side view of the shower head of the hair washing device according to the embodiment of the present invention. [Figure 9] FIG. 9 is a bottom view of the shower head of the hair washing device according to the embodiment of the present invention. [Figure 10] FIG. 10 is a procedure explanatory diagram showing a part of the hair washing procedure according to the embodiment of the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0017] The following is a description of a hair washing device according to an embodiment of the present invention. Fig. 1 shows a hair washing device 1 that implements the hair washing device according to this embodiment. Fig. 2 shows a shampoo bowl 10 used in the hair washing device 1.

[0018] 1, the hairdressing and beauty device 1 includes a treatment table 2 used by a person to be treated (not shown), a shampoo bowl 10 disposed behind the treatment table 2 on which the head of the person to be treated is placed, a shower head 13 provided in the shampoo bowl 10, and a multiphase flow generating device (not shown) that generates wash water by converting hot and cold water discharged from the shower head 13 into a multiphase flow. In the description of this embodiment, the hairdressing and beauty device 1 is referred to as a hair washing device, but a hair washing device can be realized by at least having the shower head 13 and the multiphase flow generating device.

[0019] The treatment table 2 has a seat section 3 on which the person to be treated lies and a lifting section 4 that supports the seat section 3 from below. The seat section 3 has a seat section 5 on which the person to be treated sits, a leg rest section 6 connected to the front of the seat section 5 and on which the person to be treated rests their legs, a backrest section 7 connected to the rear of the seat section 5 and on which the person to be treated rests their upper body, and armrest sections 8 located on the left and right sides of the seat section 5 and on which the person to be treated rests their arms. The treatment table 2 is configured such that the seat section 3 rises and falls as the lifting section 4 operates to expand and contract up and down, and the backrest section 7 tilts or rises, changing the angle of the seat section 3. When the backrest section 7 tilts, the seat section 3 becomes horizontal or approximately horizontal. The posture of the treatment table 2 can be changed arbitrarily by operation by the therapist (not shown), or it can automatically change to a predetermined posture.

[0020] The shampoo bowl 10 is for the person to receive treatment by placing their head while lying face up on the seat portion 3. The practitioner stands behind or to the side of the shampoo bowl 10 (or sits on a stool) and performs treatment on the head and hair of the person to be treated. Treatments include, for example, shampooing, scalp massage, hair coloring, permanent waving, hair treatment, or eye makeup. The shampoo bowl 10 is placed on the base portion 9.

[0021] The multiphase flow generator is connected to one of the hot and cold water flow paths because it converts hot and cold water discharged from shower head 13 into a multiphase flow by incorporating air into the hot and cold water. For example, it may be built into the hot and cold water supply unit (not shown) that delivers hot and cold water or into base 9, or it may be connected to the hot and cold water supply unit or base 9 via piping from the outside. In addition, a switch (not shown) that selects whether or not to operate the multiphase flow generator is installed near base 9.

[0022] As shown in Figure 2, shampoo bowl 10 is composed of bottom 14 and peripheral wall 15, and is generally hemispherical. In shampoo bowl 10, bottom 14 is formed with drain outlet 11, and the inner surface of peripheral wall 15 is provided with hot and cold water stop valve 12, shower head 13 for discharging hot and cold water, etc. A portion of peripheral wall 15 facing seat 3 is recessed, and a head support device 16 is attached to it. Head support device 16 is freely attachable and detachable. The neck and head of the person to be treated are placed on head support device 16.

[0023] Next, the showerhead 13 will be described in detail with reference to the drawings. 3 to 9 show the appearance and cross section of the showerhead 13.

[0024] 3 to 9, shower head 13 has a hose connection part 20 to which a shower hose (not shown) is connected, a head main body part 21 connected to the downstream side of this hose connection part 20 for hot and cold water, and a water discharge part 22 formed on the downstream side of head main body part 21. Hot and cold water flowing through the shower hose flows through hose connection part 20 and head main body part 21 in order, and is discharged from water discharge surface 23 of water discharge part 22.

[0025] The head main body 21 is generally cylindrical, and inside the head main body 21 is a flow path switching unit 28 that switches the flow path of hot and cold water discharged from the water discharge unit 22, and two inflow chambers into which the hot and cold water whose flow path has been switched by the flow path switching unit 28 flows. The flow path switching unit 28 switches the flow path of the hot and cold water by moving a valve. The flow path switching unit 28 has a switch 29 for switching the flow path, and the switch 29 protrudes from the flow path switching unit 28 to the outside of the head main body 21. One of the inflow chambers is a cylindrical central flow path 30 located at the center of the head main body 21, and the other is a circular peripheral flow path 31 located on the outer periphery of the central flow path 30. A foaming member 32 is attached to the central flow path 30. The hot and cold water that passes through the foaming member 32 contains a large amount of air bubbles.

[0026] The water discharge surface 23 formed at the tip of the water discharge section 22 is circular and has multiple water discharge holes 24 formed therein. The water discharge surface 23 has a circular central water discharge surface 25 at the center of the water discharge surface 23, and a ring-shaped peripheral water discharge surface 26 at the periphery of the central water discharge surface 25. The central water discharge surface 25 is located downstream of the central flow path 30 of the head main body section 21, and is formed by the downstream end face of the foaming member 32. The peripheral water discharge surface 26 is located downstream of the peripheral flow path 31 of the head main body section 21.

[0027] At the front end of the water spouting section 22, the peripheral edge 27 of the water spouting surface 23 protrudes in the water spouting direction more than the outer peripheral water spouting surface 26. Therefore, the outer peripheral water spouting surface 26 is recessed on the opposite side to the water spouting direction. The central water spouting surface 25 does not protrude from, nor is it recessed into, the peripheral edge 27. Therefore, the central water spouting surface 25, like the peripheral edge 27, protrudes in the water spouting direction more than the outer peripheral water spouting surface 26. With this configuration, an emulsification promotion space 33 is formed in front of the water spouting surface 23 as a space formed by the water spouting surface 23 and the peripheral edge 27.

[0028] A plurality of protrusions 34 are formed on the outer surface of the shower head 13, on the outer peripheral surface of the water spouting portion 22. The protrusions 34 are arranged at equal or approximately equal intervals along the periphery of the water spouting portion 22. The protrusions 34 gradually rise outward from the tip edge 35 of the peripheral portion 27 in the opposite direction to the water spouting direction. The apex 37, where the protrusions 36 rise, is a stripe extending toward the periphery of the water spouting portion 22. The apex 37 is located 0.5 to 1.5 mm from the tip edge 35 of the peripheral portion 27 in the opposite direction to the water spouting direction (see spacing 38 in Figure 6). A groove 39 is formed in the apex 37. The groove 39 is recessed from the outside toward the inside and extends toward the periphery of the water spouting portion 22. One end of the groove 39 is open and the other end is closed.

[0029] The beauty and hairdressing device 1 is configured as described above. Next, an emulsification method using the beauty and hairdressing device 1 will be described with reference to the drawings, along with the operation and effects of this embodiment. FIG. 10 shows how the recipient holds the shower head 13 in the emulsification method according to an embodiment of the present invention. After applying a treatment such as hair coloring, the practitioner uses the emulsification method to wash away the chemicals adhering to the recipient's hair. The hot and cold water used in the emulsification method may be either that discharged from the central water discharge surface 25 or that discharged from the peripheral flow path 31 (hereinafter, hot and cold water discharged from the central water discharge surface 25 will be referred to as "foam water," hot and cold water discharged from the peripheral water discharge surface 26 will be referred to as "spray water," and either foam water or spray water will be referred to as "hot and cold water").

[0030] As shown in FIG. 10 , first, the practitioner grasps the exterior of shower head 13 so as to cover the outer periphery of water discharger 22 from head body 21. For example, by placing the first joints of fingers 17 or their vicinity against apexes 37 of protrusions 34, fingers 17 are protruded in the direction of water discharge from water discharge surface 23. Therefore, the practitioner can use their fingertips while still gripping shower head 13, allowing them to perform treatment with fingers 17 gripping shower head 13. Furthermore, multiple fingers 17 can be caught on protrusions 34, allowing the shower head 13 to be held at equal intervals, preventing hands from slipping. In particular, apexes 37 of protrusions 34 are elongated horizontally along the outer periphery of water discharger 22 and gently rise from tip edge 35 of periphery 27 (see FIG. 4 ), making it easy for the first joints of fingers 17 to catch on.

[0031] In this position, fingers 17 protruding in the water discharge direction are placed against the hair of the user with a gap between water discharge surface 23 and the user's hair, bringing water discharge surface 23 close to the hair. This leaves an appropriate gap between water discharge surface 23 and the hair, naturally forming emulsification-promoting space 33 between the hair and water discharge surface 23. Here, emulsification-promoting space 33 is not just the space formed by water discharge surface 23 and peripheral portion 27, but also includes this space and is the space in front of water discharge surface 23 between the hair.

[0032] During these steps, the stop valve 12 is turned as needed to discharge hot and cold water. In addition, before and after discharging hot and cold water, the multiphase flow generating device is operated. When the multiphase flow generating device is operated, the hot and cold water that has become a multiphase flow due to the inclusion of air is pressurized by the pump of the multiphase flow generating device and is forcefully discharged from the discharge surface 23 (hereinafter, the multiphase hot and cold water will be referred to as "wash water").

[0033] The cleansing water discharged from the water discharge surface 23 hits the hair of the user and bounces back towards the water discharge surface 23. The cleansing water swirls between the water discharge surface 23 and the hair, entraining air, and is momentarily received by the water discharge surface 23 and retained in the emulsification promotion space 33. When the cleansing water is added to the chemicals attached to the hair, the interface is activated and emulsification occurs. As the cleansing water retains in the emulsification promotion space 33 while hitting the hair, appropriate emulsification can be easily achieved in a short time. Furthermore, when the water discharge surface 23 is close to the hair, the cleansing water reaches the dense roots of the hair, allowing emulsification to occur all the way to the roots. Therefore, emulsification can be achieved evenly throughout the entire scalp. Furthermore, partial emulsification can be achieved within the range desired by the practitioner.

[0034] Next, a foam generation method using the beauty and hairdressing device 1 will be described with reference to Fig. 2. The foam generation method includes at least a plugging step, an application step, and a water discharge step. The water discharge step may include a stirring step, a proximity step, and a foaming step as necessary.

[0035] In FIG. 2, in the plugging step, a plug is attached to drain outlet 11 to close drain outlet 11. This makes shampoo bowl 10 ready to be filled with hot water and foam. In the application step, a detergent such as shampoo is applied to the inner surface of shampoo bowl 10. The amount of detergent applied is arbitrary, but if the detergent container is a pump bottle, for example, it is the amount that is dispensed by pushing the nozzle two or three times. The position where the detergent is applied is also arbitrary, but for example, it may be near drain outlet 11 on bottom 14. The order of the plugging step and the application step may be reversed.

[0036] After the closing procedure and the application procedure, in the water discharge procedure, the water discharge surface 23 of the shower head 13 is brought close to the bottom 14 of the shampoo bowl 10, directly above the applied detergent, or in the vicinity of the detergent. The switch 29 of the shower head 13 is operated to select spray water or foam water. When the multiphase flow generator is operated and the stop valve 12 is operated (or the stop valve 12 is operated and the multiphase flow generator is operated), wash water is discharged from the shower head 13. When the wash water hits the detergent or its vicinity inside the shampoo bowl 10, the detergent dissolves and mixes with the wash water, gradually foaming and generating fine bubbles. In the stirring procedure, the shower head 13 is rotated inside the shampoo bowl 10 while the wash water is being discharged. The wash water and detergent mix together, and further aeration is incorporated and stirred, gradually increasing the amount of foam. As the level of wash water collected in the shampoo bowl 10 rises, the water discharge surface 23 is kept close to the water surface. The distance between the water surface and the water discharge surface 23 is about several millimeters to several centimeters.

[0037] In this way, a large amount of foam is generated in the shampoo bowl 10 for washing and massaging the hair and scalp (hereinafter referred to as "cleansing"). The detergent foams further as it is stirred by the wash water, and further foams as the wash water continues to hit it close to the water surface. In particular, when foamy wash water is used, the foaming step generates even finer foam.

[0038] As described above, the foam generating method can generate high-quality foam for cleansing, regardless of the practitioner's skill level. The high-quality foam completely covers the surface of the wash water collected in the shampoo bowl 10, forming a thick layer that makes the water surface invisible. Furthermore, even if the practitioner scoops up the foam with their hand and tilts it, the foam does not spill from their hand and remains for some time.

[0039] In other embodiments of the present invention, the showerhead does not have any protrusions on its outer surface. In another embodiment, the central water spouting surface is recessed on the side opposite the water spouting direction, similar to the peripheral water spouting surface. In other embodiments, the shape, number, arrangement, etc. of the protrusions are optional.

[0040] Although the embodiments of the present invention have been described in detail above, the present invention is not limited to the above-described embodiments, and various design modifications can be made to the present invention without departing from the scope of the claims. [Explanation of symbols]

[0041] 1. Hairdressing and beauty equipment (hair washing equipment) 2 treatment tables 3 Seat section 4 Lifting section 5 Seat 6 Foot rest 7 Backrest 8 Armrest 9 Base 10 shampoo bowl 11 Drain 12 Stop valve 13. Shower head 14 Bottom 15 Peripheral wall section 16 Head support device 17 Finger 20 Hose connection 21 Head body 22 Water outlet 23 Water discharge surface 24 Water outlet 25 Central water discharge surface 26 Outer water discharge surface 27 Periphery 28 Flow path water flow switching section 29 Switch 30 Central channel 31 Peripheral flow channel 32 Foam members 33 Emulsification promotion space 34 Protrusion 35 Tip edge 36 Ridge 37 Apex 38 interval 39 Groove

Claims

1. a multiphase flow generator that generates wash water by converting hot and cold water for washing hair into a multiphase flow; a shower head that discharges the cleaning water, The water discharge surface of the shower head is recessed on the opposite side to the water discharge direction. A hair washing device characterized by:

2. The peripheral edge of the water spouting surface protrudes in the water spouting direction beyond the water spouting surface, thereby providing an emulsification promotion space formed by the water spouting surface and the peripheral edge in front of the water spouting surface.

2. The hair washing device according to claim 1.

3. The shower head has a protrusion on the outer surface thereof.

3. A hair washing device according to claim 2.

4. The protrusion is located near the water discharge surface.

4. A hair washing device according to claim 3.

5. An emulsification method for emulsifying the hair of a user using the hair washing device according to claim 4, A procedure in which a practitioner grips the shower head and places the first joints of their fingers against the protrusions, thereby protruding their fingers from the water discharge surface toward the water discharge direction; A step of placing the fingers protruding in the water discharge direction against the hair of the person to be treated in a position where there is a gap between the water discharge surface and the hair of the person to be treated, and bringing the water discharge surface close to the hair; The cleansing water is discharged from the water discharge surface, bounced off the hair, and received by the water discharge surface, thereby causing the cleansing water to remain in the emulsification promotion space. An emulsification method characterized by:

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