RU2788365C1 - Reservoir for base for steam device - Google Patents

Abstract

FIELD: steam generation.

SUBSTANCE: fluid reservoir (3) for removable installation on base (1) of a steam generation device is claimed. In this case, specified reservoir (3) contains hole (4) for filling reservoir (3) with fluid and a cover installed on hole (4) with the possibility of rotation between a closed position, in which hole (4) is overlapped, and an open position for filling reservoir (3). Moreover, the reservoir additionally contains peripheral rib (9) protruding outside reservoir (3) and formed along the entire periphery of hole (4) and groove (12) formed with a recess between peripheral rib (9) and an outer wall of reservoir (3). Cover (5) contains an inner wall, in which peripheral groove (10) is formed, intended for placement on peripheral rib (9) in the area of hole (4), when cover (5) is in the closed position. At the same time, cover (5) additionally contains at least one guiding means (11) protruding from the inner wall of cover (5), wherein guiding means (11) is at least partially located along peripheral groove (10) so that it rests against peripheral rib (9) in the closed position.

EFFECT: obtainment a reservoir for a steam device.

16 cl, 3 dwg

Description

FIELD OF TECHNOLOGY TO WHICH THE INVENTION RELATES

The present invention relates to the field of steam devices using a base containing a remote reservoir for liquid and, more specifically, relates to a sealing system for such reservoirs.

BACKGROUND OF THE INVENTION

Numerous portable steam generation devices are known in the art, connected to a base containing a reservoir for a liquid, usually water. Such a configuration, in which the device includes a portable unit and a base designed to remain stationary during use, allows the practicality of the steam device to be increased by providing a lighter and less bulky portable unit, while the liquid is stored in the base containing the reservoir. In addition, it allows you to store more liquid and improve the vaporization performance of the device.

The portable steam device may be any type of household appliance containing a base with a reservoir for liquid, such as an iron or facial vaporizer type device.

Another type of portable steam device can be, in particular, a steam-based hair care device, such as, for example, described in document EP2449912. In such a device, the base contains a reservoir for the fluid, and a portable unit, remote from the base and connected to the reservoir by means of a cord, contains evaporator means for evaporating the fluid contained in the reservoir and distribution means for distributing the generated steam in the direction of the hair. The base includes a lid having a fixed part and a movable part that can be rotated to fill the reservoir with fluid. The lid can be completely removable to allow the replacement of demineralizing agents such as cartridges. However, no means provides the ability to block the opening of the lid, and during use, for example when the reservoir is full, overflow of the reservoir or splashing of fluid may occur when the reservoir is carried or the base is violently moved.

With regard to hair care devices, another device is described in document FR3052029. In this case, the base includes a stand and a removable reservoir configured to take a detached position, in which the tank is removed from the stand, and an operating position, in which the tank is in fluid communication with the stand. The removable reservoir makes it easy to fill the reservoir with liquid. In addition, the reservoir contains a closing element containing a lid movable with the possibility of rotation relative to the liquid filling hole between the liquid filling position, in which the lid provides access to the filling hole, and the closing position, in which the lid covers the filling holes. However, there is no element blocking the closing position, so that when the base or the filled reservoir is moved, the liquid may splash out of the reservoir. In addition, during use, and in particular if the reservoir is overfilled or if the user pulls too hard on the cord during use, water may overflow during straightening if the base is not placed on a horizontal work plane. Moreover, such an overflow can, in particular, occur due to movements of the base relative to the stand.

As a result, there is a risk of overflow of the fluid contained in the reservoir, which may cause various inconveniences for the user, or even the risk of failure of the device.

DISCLOSURE OF THE INVENTION

The purpose of the invention is to eliminate the above problems and in particular to improve the tightness of the closing area of the water tank to limit splashing of water when manipulating the remote base of the household appliance on which the water tank is mounted.

These objectives are achieved by a fluid reservoir designed to be detachably mounted on a base for a steam generating device, said reservoir having an opening for filling the reservoir with fluid and a lid rotatably mounted in the region of said opening between a closed position in which the opening is blocked, and an open position enabling filling of the reservoir, characterized in that it additionally contains a peripheral rib protruding outward from the reservoir and formed around the entire perimeter of the hole, and a groove formed by a recess between the peripheral rib and the outer wall of the reservoir, and in that the lid contains an inner a wall in which a peripheral groove is formed, designed to be placed on a peripheral rib in the region of the hole when the cover is in the closed position, while the cover further comprises at least one guide means protruding from the inner the front wall of the lid, and the guide means at least partially located along the peripheral groove so as to abut against the peripheral rib in the closed position.

The fluid reservoir may have the following features, taken singly or in combination:

- the guide means is formed with the possibility of frictional interaction with the side wall of the peripheral rib to hold the lid in the closed position;

- the guiding means comprises a tongue adapted to come into contact with the side wall of the peripheral rib;

- the guiding means comprises at least one pin adapted to come into contact with a corresponding socket in the side wall of the peripheral rib;

- the lid has a shape passing between the rear area and the front area, while the rear area contains connecting elements for installing the lid on the tank in accordance with the swivel connection, and the front area contains a locking element designed to interact with the mating locking section of the peripheral rib to hold the lid in the closed position;

- the locking element is made with the possibility of interaction with the reciprocal locking area by clamping or friction;

- the lid additionally contains two side guide tabs extending between the front area and the back area;

- the tank further comprises an additional rib located in the region of the opening so that it protrudes from at least one section of the peripheral rib in the direction of the cover, while the peripheral rib has a constant height, and the additional rib has a variable height in accordance with the arcuate shape;

- additional rib is located in the rear zone;

- the peripheral rib contains two straight sections connected by two curved sections;

- two rectilinear sections of the peripheral rib are located, respectively, in the front zone and in the rear zone;

- two curved sections of the peripheral rib are free from elements forming in the closed position the overlap between the specified peripheral rib and the peripheral groove of the cover;

- the lid is designed to cooperate in the closed position with the hole in such a way as to remain air-permeable.

According to another aspect, a hair care device is provided, comprising a base equipped with a removable reservoir as described above, a portable unit remote from the base, a cord providing a fluid connection between the base and the portable unit.

The hair care device may have the following features, either alone or in combination:

- the portable unit contains two movable levers, made movable relative to each other between the shifted configuration for processing the hair and the extended configuration for gripping the hair to be treated;

the two movable arms are articulated so as to be able to pivot like tongs between the pushed and extended configurations.

BRIEF DESCRIPTION OF THE DRAWINGS

Other features, objects and advantages of the invention will become apparent from the following description, which is purely illustrative and non-limiting and should be interpreted with reference to the accompanying drawings, in which:

- Fig. 1 illustrates a perspective view of the proposed base for a domestic steam generating appliance.

- Fig. 2 illustrates a perspective view of a fluid reservoir in accordance with one embodiment of the present invention.

- Fig. 3 illustrates a perspective view of the inner wall of a lid for closing a fluid reservoir according to the embodiment of the present invention of FIG. 2.

Only those elements that are necessary for understanding the invention are shown. To facilitate the reading of the drawings, like elements in all figures have identical designations.

IMPLEMENTATION OF THE INVENTION

Fig. 1 is a perspective view of a base 1 for an electrical household steam generating apparatus intended to be connected to a portable unit remote from the base 1 (not shown) via a cord 7 in a fluid manner, or even electrically. Base 1 is also configured to be connected to a power source, such as a power outlet, via cable 8.

The base comprises a delivery 2 and a fluid reservoir 3 adapted to be attached to the stand 2, preferably removably. The stand 2 comprises a substantially flat support wall allowing the base 1 to be placed on the work plane so that the base 1 rests on the work plane. Preferably, the support wall comprises a plurality of locking suction cups for removably fixing the stand 2 on the working plane. Thus, these suction cups are designed to be brought into contact with the working plane to ensure that the base 1 is fixed on the working plane.

Fig. 2 illustrates a perspective view of the base in the area of the tank 3. The tank 2 is configured to assume an operating position in which it fluidly interacts with the stand 2. When the tank 3 is made removable, it can be separated from the stand 3 to assume a detached position, in which it is removed from the stand 3, thus facilitating its filling and transport.

The reservoir 3 contains an opening enabling the reservoir 3 to be filled with fluid.

Fluid is understood to mean any type of fluid suitable for use in domestic steam generating devices. In general, this may be a liquid, such as water, or water with the addition of an appliance cleaner, such as an anti-limescale agent. In one embodiment where the portable unit is a hair care device, typically a hair straightener, the fluid may be liquid water or a mixture of water and hair care product.

As illustrated in FIG. 1, the opening 4 is usually located on the top of the tank 3 near the end of the base 1, opposite the end of the base 1, which has the cord 7 and the power supply 8.

Fig. 3 illustrates a lid 5 intended to be pivotally mounted in the area of the opening 4. The lid 5 is rotatable between a closed position, in which the opening 4 is blocked, and an open position, allowing the reservoir 3 to be filled.

In order to achieve a pivoting connection between the lid 5 and the tank 3, called a hinge, the lid 5 comprises, for example, two female hinge elements (6, 6') designed to interact with two male hinge elements (13, 13') formed on the tank 3 .

In the working position, the tank 3 is made with the possibility of fluid interaction with the stand 2, that is, the tank 3 is in fluid communication with the stand 2 of the base 1 through the outlet. The outlet may contain a sealing element in its periphery. Thus, when the reservoir 3 is in the operating position, the fluid connection with the stand 2 is ensured in a sealed manner. The sealing element contains a seal or a flexible partition, for example, made of silicone. The pedestal may contain a pump, such as a peristaltic pump, configured to compress the flexible tube in the cord 7 to suck or force liquids between the fluid reservoir 3 and the portable unit. Thus, in order to ensure proper operation of the pump, it is preferable that the reservoir 3 does not form an air-tight assembly when the cover 5 is in the closed position.

To keep the lid 5 in the closed position and to limit the splashing of liquid when manipulating the tank 3 or the base 1, when the tank 3 is filled with liquid, for example, water, as well as possible sudden movements of the base, there are several structural elements installed in the area of the lid 5 and the tank 3 In the region of the opening, the reservoir includes a peripheral rib 9 protruding outward from the reservoir 3 and formed around the entire periphery of the aperture 4, while a peripheral groove 10 is formed in the inner wall of the lid 5, and is intended to be placed on the peripheral rib 9 when the lid 5 is placed in the closed position. Preferably, the groove 10 is also formed on the entire periphery of the opening 4 to limit the risk of overflow, in particular on the front side. Thus, the embossing peripheral rib 9, in combination with the cavity-forming peripheral groove 10, together form a kind of barrier to prevent the passage of the liquid contained in the reservoir, thereby improving the tightness of the latter.

The lid 5 further comprises at least one guide means 11 protruding from the inner wall of the lid. The guide means 11 is located at least partially along the circumferential groove 10 to abut the circumferential rib 9 when the lid is in the closed position and to maintain the closed position when the base 1 is manipulated, especially when the reservoir 3 is filled with liquid. In particular, the guide means 11 can abut against the inner side wall of the peripheral rib. In this case, the guiding means 11 can resist untimely opening of the container lid due to friction. In addition, the guide means 11 makes it possible to guide the lid 5 relative to the container 3 when the lid 5 is closed, thus ensuring that the lid 5 is properly positioned relative to the opening 4 and therefore an optimum tightness.

Manipulation refers to the manipulation of the container 3 by the user. Typically, when using an electrical appliance, the fluid is gradually consumed. In one embodiment, when reservoir 3 becomes empty, the user may remove reservoir 3 from stand 2 to fill it with fluid. In this case, the tank 3 is in the disconnected position. After filling the reservoir 3, the user may need to move the filled reservoir 3 before placing it in its working position on the base 1 stand 2. During the movement, the liquid may oscillate in the reservoir 3 and, if the reservoir is full, the liquid may overflow and splashing out. The guide means 11 and the location of the groove 10 of the lid 5 in the rib of the container 3 avoid these troubles.

According to a possible and preferred embodiment, the circumferential groove 10 of the cover 5 has essentially the same dimensions over the entire periphery of the opening. Preferably, the groove 10 extends in width from 1 mm to 2 mm, typically 1.8 mm, and in depth by about 1 mm.

The reservoir 3 also includes a groove 12 formed by a recess between the peripheral rib 9 and the wall of the reservoir 3, preferably the outer wall of the reservoir 3. The groove 12 may be sized to replace liquid in the event of a possible overflow of fluid over the edge of the reservoir 3 to avoid liquid spills or splashes. . The combination of rib 9 and groove 12 defines a baffle in front of the lip of reservoir 3. The recess is preferably configured to form a storage area to collect liquid that might overflow from the reservoir and prevent liquid from flowing onto the work plane.

One section of the groove 12 can, in particular, extend in the region of the male elements (13, 13') intended to be assembled with the female elements (6, 6') of the lid 5, respectively, in order to form a swivel connection in the rear area in order to enable receiving liquid when ejecting liquid when the cover 5 is in the open position, and in the area of the front zone, providing the possibility of a slight overflow when the base is tilted without splashing liquid from the reservoir 3.

In one exemplary embodiment, the lid guide means 11 is formed to engage by friction, and preferably by elastic deformation, with the side wall of the peripheral rib 9 to hold the lid 5 in a closed position. Typically, the lid guide 11 forms a shape similar to that formed by the side wall of the tank rib 9 with a slightly larger dimension so that a slight deformation of the lid guide 11 is necessary to obtain the closed position. Thus, the guiding means 11 is configured to apply pressure to the section of the inner side wall of the peripheral rib 9 in order to maintain the closed position of the lid 5 on the reservoir 3 due to the friction force, even if the liquid contained in the reservoir 3 applies a torque to open the reservoir. In this case, it is possible to avoid the ejection of liquid, for example, when manipulating the base 1.

The guide means 11 comprises, for example, a tongue, i.e. a substantially flat and elongated bulge, the wall of which is configured to come into contact with the side wall section of the peripheral rib 9 by elastic deformation, preferably when the lid 5 is closed, in order to apply pressure to the section the side wall of the rib 9 to ensure the possibility of maintaining the closed position with the help of friction forces.

Alternatively or in addition, the guide means 11 includes a pin or pin protruding towards the side wall of the peripheral rib 9 to increase the friction between the lid 5 and the reservoir 3 to keep the lid 5 in the closed position. socket so that the pin or pin can be configured to come into contact with the corresponding socket in the side wall of the peripheral rib 9.

In the embodiment of FIG. 1, the base 1 has a shape substantially longitudinal in accordance with the longitudinal direction and ovoid, and could be substantially round. In the working position, the top of the stand 2 and the tank 3 are configured in correspondence with each other so that their outer surfaces form a smooth and continuous outer surface of the base 1. By "substantially longitudinal shape" is meant a substantially elongated shape, i.e. a shape in which one size is larger than the others. Such a substantially longitudinal shape may, for example, be a substantially rectangular, substantially triangular, or substantially oval shape, as illustrated in FIG. 1.

In one embodiment, the lid 5 has a substantially longitudinal shape in accordance with the longitudinal direction of the base 1, or alternatively in accordance with a direction perpendicular to the longitudinal direction of the base 1. Such a substantially longitudinal shape may be, for example, essentially triangular shape as illustrated in Fig. 3.

The cover 5 extends between the first area of the tank 3, called the back area, and the second area of the tank 3, called the front area. Under the "front" area is understood the area located near the first end of the base 1, opposite the second end of the base 1, which defines the "rear" area. In the example in FIG. 1 "rear" zone means the zone located in the central part of the base 1, towards the end of the base 1 containing the cord 7.

Preferably, the rear area contains connecting elements, allowing you to install the cover 5 on the tank 3 by means of a swivel connection. The connecting elements are usually two rods or cylinders attached to the tank 3 near the opening 4 and forming male hinge elements (13, 13'), designed respectively to be inserted into two essentially cylindrical hollow sections of the lid 5, forming female hinge elements ( 6, 6').

Preferably, in the area of the front zone, the lid comprises a locking element 14 designed to cooperate with the mating locking portion 15 of the peripheral rib 9 to hold the lid 3 in the locked position.

For example, the locking element 14 is configured to interact with the mating locking portion 15 by pinching or friction. Usually, the transition from the open position to the closed and locked position requires elastic deformation of the locking element 14 of the cover 5.

In another example, the locking element 14 may include a hollow cylindrical section, which is formed at least one finger protruding into the cylinder. At the same time, the reciprocal locking section 15 of the peripheral rib 9 has an essentially cylindrical outer surface, the dimensions of which are somewhat smaller than the dimensions of the cylinder formed by the inner surface of the locking element 14 of the cover, and contains blind cavities made with the possibility of accommodating fingers protruding from the hollow cylindrical section of the cover 5. When closing the lid 5, the user can apply pressure to the lid so as to cause the protruding fingers of the lid to elastically deform for insertion into the corresponding blind cavities of the peripheral rib 9. In this case, the closed position is maintained until a sufficient force is applied to the lid 5 so that make her open up. In general, the elasticity of the material, the size and the number of fingers are calculated so that the force sufficient to open is greater than the pressure that can be applied to the inner surface of the lid 5 by splashing liquid, thus preventing the lid 5 from opening unintentionally. allow you to limit the possible lateral movement.

In another exemplary embodiment, the locking element 14 is configured to come into contact with the mating locking portion 15 to create friction preventing the opening of the hatch.

Such a locking system makes it possible to keep the lid 5 in the closed position even if the container is accidentally overturned. Consequently, the overflow of the liquid contained in the reservoir 3 is limited.

Preferably, the container 3 has a recess 16 in the region of the front area, which is adapted to facilitate the opening of the lid 5 by the user.

Preferably, in the illustrated in FIG. 3 embodiment, the lid 5 comprises two side guide tabs (17, 17') formed to extend between the first front region and the second rear region. Each guide tongue (17, 17') forms, for example, a substantially elongated bulge along one side of the cover 5, one side wall of which is configured to come into contact with the area opposite the side wall of the rib 9.

Preferably, each guide tongue (17, 17') deforms resiliently when the cover 5 is closed, which ensures that pressure is applied to the side wall portion of the rib 9 and thus the closed position can be maintained by means of friction forces.

Usually the tongues (17, 17') are slightly tilted outwards. Two tongues (17, 17') are arranged essentially symmetrically about the axis of symmetry of the base 1 in the longitudinal direction. Each tongue (17, 17') extends between the anterior region and the posterior region, preferably for a length in the range of 10 mm to 30 mm, typically 18 mm. Preferably, they have a width of the order of 1 mm.

The width of the tongues (17, 17') should not be too large to ensure that they can be elastically deformed when the lid 5 is closed without too much frictional resistance. The tongues (17, 17') protrude from the inner wall of the lid 5 to a height ranging from 1 mm to 3 mm, typically 1.8 mm, preferably greater than the depth of the peripheral groove 10.

Two tabs (17, 17') are additionally designed to create an obstacle for the liquid in case of overflow. They can also improve the retention of the lid 5 in the closed position, in particular in the event of wear on the locking system. Finally, they can contribute to the correct guiding of the lid 5 when closing, which guarantees the proper positioning of the lid 5 relative to the opening 4, also in the event of significant wear on the hinge.

The reservoir 3 and the lid 5 may be made separately as two separate parts by molding, for example, by injection molding of thermoplastic materials, so that the groove 10 and the rib 9 form an integral part of the structure of the lid 5 and the reservoir 3, respectively. Typically, the reservoir 3 and the lid 5 may be formed from a polymeric material suitable for the application, such as ABS. This makes it possible to obtain the reservoir 3 and the lid 5 forming an assembly having good impact resistance, while being light and relatively rigid.

In accordance with one embodiment, the reservoir 3 further comprises an additional rib located in the region of the opening 4 and protruding from at least one portion of the peripheral rib 9 in the direction of the lid 5. Typically, the additional rib is located in the region of the opening 4 and protrudes in the direction of the lid 5 from the inner wall of the tank 3. It can also run near the peripheral rib 9, usually along a portion of the peripheral rib 9.

According to an exemplary embodiment, the peripheral rib 9 has a constant height, while the possible additional rib has a variable height in accordance with the arcuate shape. Preferably, the additional rib is located in the rear area. In this case, the additional rib makes it possible to avoid an overflow of the liquid from behind, while at the same time ensuring proper rotation of the lid 5 in the region of the elements for connection to the reservoir 3, in particular in the region of the swivel connection.

Preferably, the additional rib extends over the entire rear area for a length of approximately 32 mm. The additional rib has a thickness ranging from 0.5 mm to 1 mm in width, typically 0.55 mm, to provide sufficient flexibility.

The presence of an additional rib and side tongues (17, 17’) makes it possible to prevent the liquid from escaping from the device even in the event of a strong inclination of the tank 3 (for example, when carrying) or fluctuations of the liquid in the tank 3 (for example, when the tank is inserted onto the base 1).

Advantageously, the peripheral rib 9 may comprise two straight sections connected by two curved sections. Preferably, in this case, the straight sections are located in the front region and in the rear region, respectively, that is, they extend in the front region and in the rear region, respectively, substantially perpendicular to the longitudinal direction.

In an exemplary embodiment, the corner zones of the peripheral rib 9 are free from elements that form, in the closed position, an overlap between the peripheral rib 9 and the peripheral groove 10 of the cover. This makes it possible to ensure proper opening of the lid 5, and generally proper rotation around the rotary link.

Preferably, regardless of the embodiment, the cover 5 cooperates with the opening 4 so that it remains air-permeable in the closed position, and thus the reservoir 3 is at atmospheric pressure. This ensures proper functioning of the liquid suction or pumping means between the reservoir and the portable unit. In practice, therefore, it is preferable that between the lid 5 and the opening 4 of the container 3 there is no seal, or at least no seal to ensure complete tightness.

The base 1 described above can be used in a hair care device, for example. Such a hair care device in this case preferably comprises a base 1 as described above, a portable unit remote from the base 1, and a cord 7 providing a fluid connection between the base and the portable unit.

Preferably, the portable unit contains evaporative means to vaporize the base fluid contained in the reservoir (typically water, cosmetic, fixative, etc.) and apply the generated vapor to the hair to improve its shape. The use of such a base 1 as described above makes it possible to improve the vaporization performance of the hair treatment device, since there is no loss of liquid from the reservoir, and to provide a relatively light and easy-to-handle portable hair treatment device. In addition, the base may contain means for adjusting the flow of the fluid.

Such a hair care device may typically be a hair straightener or a hair shaping iron in which the carrying unit comprises two movable arms movable relative to each other between a shifted hair treatment configuration in which steam is emitted onto the hair to be treated. , and an extended configuration for gripping hair to be treated between two arms.

In one embodiment, the two movable arms are swivel arms articulated at the hinge area so that the two arms form tongs. Each arm may comprise a treatment surface, wherein the two treatment surfaces are each applied to the arm of the hair treatment device and positioned opposite each other such that a strand of hair can be sandwiched between the two treatment surfaces in a shifted configuration.

BIBLIOGRAPHICAL REFERENCES

EP2449912, FR3052029

Claims (21)

1. A reservoir (3) for a fluid designed for a removable installation on a basis (1) for a steam production device, while the specified reservoir (3) contains an opening (4) for filling the reservoir (3) with a fluid and a cover (5), installed with the possibility of rotation in the area of the specified hole (4) between the closed position, in which the hole (4) is blocked, and the open position, providing the possibility of filling the tank (3), characterized in that it additionally contains a peripheral rib (9) protruding outward from the reservoir (3) and formed along the entire periphery of the hole (4), and a groove (12) formed by a recess between the peripheral rib (9) and the outer wall of the reservoir (3) , and the fact that the cover (5) contains an inner wall in which a peripheral groove (10) is formed, designed to be placed on the peripheral rib (9) in the region of the hole (4), when the cover (5) is in the closed position, while the cover (5) further comprises at least one guide means (11) protruding from the inner wall of the lid (5), wherein the guide means (11) is located at least partially along the peripheral groove (10) so that it abuts against the peripheral rib ( 9) in the closed position. 2. The tank (3) according to claim 1, characterized in that the guide means (11) is formed with the possibility of frictional interaction with the side wall of the peripheral rib (9) to hold the lid (5) in the closed position. 3. The reservoir (3) according to claim 1, characterized in that the guiding means (11) comprises a tongue adapted to come into contact with the side wall of the peripheral rib (9). 4. The tank (3) according to any one of paragraphs. 1-3, characterized in that the guide means (11) comprises at least one pin configured to come into contact with a corresponding socket in the side wall of the peripheral rib (9). 5. Reservoir (3) according to any one of paragraphs. 1-4, characterized in that the lid (5) has a shape extending between the rear zone and the front zone, the rear zone contains connecting elements for installing the lid (5) on the tank (4) in accordance with the swivel connection, and the front zone contains a locking element designed to interact with the mating locking section of the peripheral rib (9) to hold the cover (5) in the closed position. 6. Reservoir (3) p. 5, characterized in that the locking element is made with the possibility of interaction with the mating locking area by clamping or friction. 7. Reservoir (3) according to any one of paragraphs. 5 or 6, characterized in that the cover (5) additionally comprises two side guide tabs (11) extending between the front area and the rear area. 8. Tank (3) according to any one of paragraphs. 1-7, characterized in that it additionally contains an additional rib located in the region of the hole (4) so that it protrudes from at least one section of the peripheral rib (9) in the direction of the cover (5), while the peripheral rib (9) has constant height, and the additional edge has a variable height in accordance with the arcuate shape. 9. Reservoir (3) according to claim 8, characterized in that the additional rib is located in the rear area. 10. Reservoir (3) according to any one of paragraphs. 1-9, characterized in that the peripheral rib (9) contains two straight sections connected by two curved sections. 11. The reservoir (3) according to claim 10, characterized in that two rectilinear sections of the peripheral rib (9) are located, respectively, in the front zone and in the rear zone. 12. The tank (3) according to any one of paragraphs. 10 or 11, characterized in that the two curved sections of the peripheral rib (9) are free from elements forming in the closed position an overlap between said peripheral rib (9) and the peripheral groove (10) of the cover (5). 13. The tank (3) according to any one of paragraphs. 1-12, characterized in that the cover (5) is made in such a way that in the closed position, when interacting with the hole (4), it remains permeable to air. 14. Device for hair care, containing: - a base (1) equipped with a removable tank (3) according to any one of the previous paragraphs; - a portable unit remote from the base (1); - a cord that provides a fluid connection between the base (1) and the portable unit. 15. The hair care device of claim 14, wherein the handpiece comprises two movable arms movable relative to each other between the splayed hair treatment configuration and the splayed hair gripping configuration. 16. The hair care device of claim 15, wherein the two movable arms are articulated to allow pincer-like rotation between an extended and an extended configuration.

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