FR2967658A1 - Cosmetic product and/or liquid detergent e.g. liquid soap, dispensing device, has storage drum connected to distributor via supply line, where storage drum contains cosmetic product and/or liquid detergent at specific internal pressure - Google Patents

Abstract

The device (1) has a storage drum (4) of a cosmetic product and/or liquid detergent (2), where the storage drum is connected to a distributor (3) via a supply line (5). The storage drum contains the cosmetic product and/or liquid detergent at an internal pressure (P1) between 1.2 bar and 1.8 bar, where viscosity of the cosmetic product and/or liquid detergent is between 500 milli Pascal second (mPa.s) and 1700 mPa.s. A nitrogen supply conduit (6) is connected to a nitrogen source (7) containing nitrogen at pressure of between 1.4 bar and 1.6 bar.

Description

1 Device for dispensing a cosmetic product and / or liquid detergent.

The invention is in the field of devices carrying or dispensing liquid cosmetics and / or detergents, such as a liquid soap, a shower gel or a similar product. It relates to a device for dispensing a cosmetic product and / or liquid detergent.

WO03 / 005873 (Jackson and Garlic) discloses a device for dispensing a cosmetic product, such as a liquid soap. The device comprises a receptacle containing the liquid soap and two separate propellants. A first propellant is nitrogen gas which has the function of expelling the liquid soap out of the receptacle. A second propellant is formed of propane and / or butane to foam the liquid soap when it is expelled from the receptacle. An electronically controlled valve is operated when a sensor detects a user's hand, such that said valve permits delivery of a predetermined amount of liquid soap foam.

The receptacle is able to withstand an internal pressure of 1375 kPa without deformation and an internal pressure of 1860 kPa without bursting. Usually, the receptacle is used at an internal pressure of the order of 1275 kPa obtained from an introduction of nitrogen gas inside the receptacle at a pressure of the order of 900 kPa. The liquid soap foam delivered has a density ten times lower than liquid soap initially introduced inside the receptacle.

Such a device is complex, expensive and deserves to be simplified. More particularly, such a device has the disadvantage of using many propellants whose handling is potentially dangerous. The object of the present invention is to provide a device for dispensing a cosmetic and / or liquid detergent product of relatively high viscosity, in particular between 200 mPa.s and 2500 mPa.s, preferably between 500 mPa.s and 1700 mpas. mPa.s, the dispensing device having a simple and inexpensive structure to achieve, nevertheless allowing easy and effective maintenance of the device, from the use of products harmless to humans and / or the environment.

A device of the present invention is a device for dispensing a cosmetic product and / or liquid detergent. The dispensing device comprises a storage drum for said liquid product. The storage drum is connected to at least one distributor via a supply line.

According to the present invention, the viscosity of the cosmetic product and / or liquid detergent is between 200 mPa.s and 2500 mPa.s, preferably between 500 mPa.s and 1700 mPa.s, and the storage drum contains the cosmetic product and liquid detergent or brought to an internal pressure P1 which is between 1.2 bar and 1.8 bar.

More preferably, the viscosity of said liquid product is between 600 mPa.s and 1500 mPa.s.and the internal pressure P1 is of the order of 1.5 bar. The dispensing device advantageously comprises a nitrogen supply duct connected to a nitrogen-containing nitrogen supply source brought to a pressure of between 1.4 bar and 1.6 bar.

The dispensing device advantageously comprises an alcohol supply duct connected to an alcohol feed source titrated between 60 ° and 80 °.

The dispensing device advantageously comprises a water supply duct connected to a water supply source. The dispensing device preferably satisfies the ISO 22716 standard and the AFNOR NF 21148, NF 21149, NF 18415 and NF 16212 standards. Advantageously, the supply pipe is equipped with a first pair of self-sealing members. complementary, including a first male self-sealing member which is in relation with the distributor and a first female self-closing member which is in relation with the storage drum, the nitrogen supply pipe is equipped with a second pair of complementary self-sealing members, including a second male self-sealing member which is in relation with the storage drum and a second female self-closing member which is in relation with the nitrogen supply source.

Preferably, the alcohol feed duct is equipped with a third female self-sealing member, and the water supply duct is equipped with a fourth female self-closing member.

An advantageous use of such a dispensing device lies in the delivery of the cosmetic product and / or liquid detergent in a public place.

More particularly, a preferred use of such a dispensing device lies in a sale of the cosmetic product and / or liquid detergent in a store.

More particularly, a use of such a dispensing device lies in a distribution of the cosmetic product and / or liquid detergent in a place of consumption of the cosmetic product and / or liquid detergent. Other features and advantages of the present invention will become apparent upon reading the description which will be made of exemplary embodiments, in relation to the figures of the attached plates, in which: FIG. 1 is a diagrammatic view of FIG. a device for dispensing a liquid product according to the present invention. Fig.2 is a schematic sectional view of a storage drum participating device shown in the previous figure.

In Fig.1, a device 1 for dispensing a liquid product 2 according to the present invention comprises at least one distributor 3 of the liquid product 2 which is in connection with a storage drum 4 of the liquid product 2. The liquid product 2 is essentially characterized by a high viscosity, between 200 mPa.s and 2500 mPa.s, preferably between 600 mPa.s and 1500 mPa.s, preferably still of the order of 1000 mPa.s, to 5%. The dispensing device 1 is sized and designed to allow easy, rapid and controlled delivery of the liquid product 2 whose viscosity characteristics have just been specified.

The liquid product 2 is indifferently constituted of a liquid cosmetic product 2 or a liquid detergent product 2.

The liquid cosmetic product 2 is a substance or a preparation intended to be put in contact with the various superficial parts of the human body, for example, the skin, the hair, the nails, the lips or the teeth, with a view exclusively or mainly , to clean them, to perfume them, to modify their appearance, to protect them, to keep them in good condition or to correct their odors.

The liquid cosmetic product 2 meets the definition of such a product enacted in France in the public health code. The use of such a liquid cosmetic product 2 presents no danger to health. Furthermore, the liquid cosmetic product 2 used in the implementation of the present invention satisfies the requirements of ISO 22716 (good manufacturing practices) as well as AFNOR NF 21148, NF 21149, NF 18415, NF 16212 in particular. By way of example, the liquid cosmetic product 2 is a liquid soap, a shower gel, a massage oil or the like.

The liquid detergent product 2 is a substance or a preparation intended to wash, to clean from its impurities an inert substrate, such as a mineral substrate (floors, tiles, etc.), a metal substrate, a composite substrate, a ceramic substrate or an inert organic and / or synthetic substrate (wood, textile, etc.).

The liquid detergent product 2 has detergent qualities for disinfecting the inert support on which it is applied alone or in dilution.

According to various respective embodiments, the dispensing device 1 is likely to comprise one or more distributors (s) 3, possibly arranged at a distance from each other, and for example in separate parts from each other. The storage drum 4 has for example a capacity of between 20 liters and 75 liters, preferably of the order of 50 liters. The storage drum 4 is sized and designed so that the liquid product 2 can be brought to an internal pressure P1 of between 1.2 bar and 1.8 bar, preferably of the order of 1.5 bar, at 5% close.

A supply line 5 of liquid product 2 connects the storage drum 4 to the distributor 3. The supply line 5 is connected to the storage drum 4 via a withdrawal head 20. A first valve V1 team the supply line 5 and / or the withdrawal head 20 to allow or prohibit a circulation of the liquid product 2 inside the supply line 5. The supply line 5 is equipped with a first pair of complementary self-sealing members 100, 101, including a first male self-sealing member 100 which is in relation with the distributor 3 and a first female self-closing member 101 which is in relation with the storage drum 4. These arrangements allow a rupture simple and easy circulation of the liquid product 2 inside the supply pipe 5 and conversely a simple and easy circulation of the liquid product 2 inside the supply pipe 5, from u n abutment or respectively of a separation of complementary self-sealing bodies 100,101.

A nitrogen supply duct 6 connects the storage drum 4 to a nitrogen supply source 7. The latter consists for example of a container 7 containing nitrogen heated to a pressure of between 1.4 bar and 1.6 bar, preferably of the order of 1.5 bar, to within 5%. Thus each storage tank 4 is associated with a container 7. These arrangements allow pressurization of the liquid product 2 and prevent oxidation of the latter continuously. In addition, nitrogen has the advantage of generating no olfactory and visual nuisance. The nitrogen contained within the nitrogen supply source 7 has a purity of 99.995% or more by volume. Impurities in respective controlled proportions are likely to be present, such as carbon monoxide at a concentration less than or equal to 10 cm3 / m3, methane at a concentration less than or equal to 50 cm3 / m3, other alkanes to a concentration less than or equal to 2 cm3 / m3 and / or heavy metals, such as lead, copper, zinc, arsenic at a concentration of less than or equal to 10 mg / kg. A second valve V2 equips the nitrogen supply duct 6 to allow or prohibit a flow of nitrogen inside the nitrogen supply duct 6. The nitrogen supply duct 6 is equipped with a second couple of complementary self-sealing members 200,201, including a second male self-sealing member 200 which is in relation with the storage drum 4 and a second female self-sealing member 202 which is in relation with the nitrogen supply source 7. These provisions allow a simple and easy rupture of the flow of nitrogen inside the nitrogen supply duct 6 and conversely a simple and easy circulation of nitrogen inside the supply duct. nitrogen 6, from an abutment or respectively a separation of complementary self-sealing members 200,201.

An alcohol supply duct 8 is connected with an alcohol supply source 9. The latter is for example constituted by a reserve 9 of wheat alcohol titrated with alcohol between 60 ° and 80 °, preferably titrated with alcohol at 70 °. A third valve V3 equips the alcohol supply duct 9 to allow or prohibit circulation of the alcohol inside the alcohol supply duct 9. The alcohol supply source 9 is likely to contain an alcohol different from wheat alcohol. These arrangements make it possible, if necessary, to disinfect the device 1 from the circulation of the alcohol, especially inside the supply line 5 and the distributor 3. The alcohol supply line 8 is equipped with a third female self-sealing member 103. The latter is complementary to the first male self-sealing member 100 which is in relation with the distributor 3 so that the first male self-sealing member 100 and the third self-sealing member 100 female sealant 103 is easily and quickly solidarisables and separable.

A water supply duct 10 is in connection with a water supply source 11. The latter is for example constituted by a can filled with water. The water supply source 11 is for example still constituted of the mains water distribution network. The supply pipe 5 and / or the water supply source 11 are preferably provided with a water heating means 13 capable of carrying the latter to a temperature greater than 50 ° C., preferentially of the order from 65 ° C to within 5%. The heating means 13 consist in particular of an electrical resistance dipped inside the supply pipe 5 and / or the water supply source 11.

A fourth valve V4 equips the water supply duct 10 to allow or prohibit a circulation of the water inside the water supply duct 10. These provisions make it possible, if necessary, to rinse the device 1 from water circulation in particular within the supply line 5 and the distributor 3. Such rinsing operation is performed in particular following a disinfection operation of the device 1, so as not to pollute the liquid product 2 with the alcohol. The water supply duct 10 is equipped with a fourth female self-sealing member 104. The latter is complementary to the first male self-sealing member 100 which is in relation to the distributor 3, so that the first self-closing member male plug 100 and the fourth female self-closing member 104 is easily and quickly solidarisable and detachable.

The fact that the first male self-sealing member 100 can be indifferently connected to the first female self-sealing member 101 which is in relation with the storage drum 4, the third female self-closing member 103 which is in relation with the source of supply of alcohol 9 and the fourth female self-closing member 104 which is in connection with a water supply source 11, makes it possible to proceed easily and quickly liquid supply operations 2 of the distributor 3 and the operations of cleaning the dispenser 3.

It is apparent from the aforementioned provisions that the device 1 constitutes a pressurized installation for filling the containers 14 with the liquid product 2. Thus, the dispenser 3 can be placed inside a place accessible to the public, such as a store, perfumery for example or the like, showers equipping a swimming pool or a cloakroom, a room of a beauty institute or the like, while the storage drum 4, the nitrogen supply source 7, the source of Alcohol supply 9 and / or the water supply source 11 are placed inside a private technical room, not accessible to the public and / or customers. It finally results that the public is able to use and / or be served from a filling of the container 14 liquid product 2 in a selected amount and variable from one user to another. Such a device 1 is capable of delivering a controlled flow rate of liquid product 2 which is greater than 1 l / min, preferably of the order of 5 l / min, to within 5%. For this purpose, the feed pipe 5 is of circular section and has a diameter D which is between 6 mm and 8 mm, preferably of the order of 7 mm, to 5%.

In FIG. 2, the storage drum 4 is arranged in a cylinder comprising an upper wall 15. The storage drum 4 is preferably made of stainless steel allowing a safe and reliable transport of the liquid product 2. The storage drum 4 is equipped with a plug 16 closing a filling orifice 17 of the storage drum 4. The stopper 16 is provided with a plunger rod 18 which extends from the upper wall 15 to near a lower wall 19 disposed in 15. These arrangements allow the liquid product 2 to be discharged from the storage drum 4 until the latter is almost empty, thereby avoiding a waste of liquid product 2. The plug 16 is connectable to a withdrawal head 20 which allows the fluidic connections between the storage drum 4, the supply line 5 and the nitrogen supply duct 6.

The withdrawal head 20 is cleaned at each replacement of an empty storage tank 4 by a storage tank 4 full. A method of cleaning the withdrawal head 20 comprises at least the following successive steps: Close and decouple the valve V2 and V1 using the self-sealing members, Uncouple the withdrawal head 20 of the cap 16, thoroughly wash the head 20 draw off with water, rinse with alcohol the withdrawal head 20, Let the withdrawal head 20 dry for 5 min, Reconnect the withdrawal head 20 to the stopper 16, Reconnect the valves V1 and V2, Open the valves V1 and V2.

Similarly, the dispenser 3 is cleaned frequently several times a day, and in particular two to three times a week. A method of cleaning the dispenser 3 comprises at least the following successive steps. Wash the dispenser 3 by circulating a liter of hot water inside the dispenser 3. Purge the dispenser 3 by circulating nitrogen to the dispenser 3. inside the dispenser 3, 20 Rinse the dispenser 3 by circulating a liter of alcohol inside the dispenser 3, purge the dispenser 3 by circulating nitrogen inside the dispenser 3, withdraw and discard 100 ml of liquid product 2. 25

Claims (1)

CLAIMS1.- Device for dispensing (1) a cosmetic product and / or liquid detergent (2) comprising a storage drum (4) of said liquid product (2), the storage drum (4) being connected to at least one dispenser (3) via a supply line (5), characterized in that the viscosity of the cosmetic product and / or liquid detergent (2) is between 200 mPa.s and 2500 mPa.s and in the storage drum (4) contains the cosmetic product and / or liquid detergent (2) brought to an internal pressure (P1) which is between 1.2 bar and 1.8 bar. 2. Dispensing device (1) according to the preceding claim, characterized in that the viscosity of said liquid product (2) is between 200 mPa.s and 2500 mPa.s and in that the internal pressure (P1) is the order of 1.5 bar. 3.- dispensing device (1) according to any one of the preceding claims, characterized in that the dispensing device (1) comprises a nitrogen supply duct (6) connected to a nitrogen supply source ( 7) containing nitrogen heated to a pressure between 1.4 bar and 1.6 bar. 4. Dispensing device (1) according to any one of the preceding claims, characterized in that the dispensing device (1) comprises an alcohol supply duct (8) connected to an alcohol supply source (9) titrated between 60 ° and 80 °. 5. Dispensing device (1) according to any one of the preceding claims, characterized in that the dispensing device (1) comprises a water supply duct (10) connected to a supply source 30 water (11). 10 6. A dispensing device (1) according to any one of the preceding claims, characterized in that the dispensing device (1) meets the ISO 22716 and AFNOR NF 21148, NF 21149, NF 18415 and NF 16212 . 7.- dispensing device (1) according to claims 3, 4 and 5, characterized in that: - the supply line (5) is equipped with a first pair of complementary self-sealing members (100, 101), including a first male self-closing member (100) which is in relation to the distributor (3) and a first female self-closing member (101) which is in relation to the storage drum (4), - the conduit of nitrogen supply (6) is equipped with a second pair of complementary self-sealing members (200,201), including a second male self-sealing member (200) which is related to the storage drum (4) and a second female self-sealing member (202) which is related to the nitrogen supply source (7), - the alcohol supply duct (8) is equipped with a third female self-sealing member (103), - The water supply duct (10) is equipped with a fourth female self-sealing member (104). 8.- Use of a dispensing device (1) according to any one of the preceding claims for the delivery of the cosmetic product and / or liquid detergent (2).