EP0549049A1 - Assembly for dispensing at least one fluid product - Google Patents

Assembly for dispensing at least one fluid product Download PDF

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Publication number
EP0549049A1
EP0549049A1 EP92203940A EP92203940A EP0549049A1 EP 0549049 A1 EP0549049 A1 EP 0549049A1 EP 92203940 A EP92203940 A EP 92203940A EP 92203940 A EP92203940 A EP 92203940A EP 0549049 A1 EP0549049 A1 EP 0549049A1
Authority
EP
European Patent Office
Prior art keywords
seat
distribution
product
valve
dispensing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP92203940A
Other languages
German (de)
French (fr)
Other versions
EP0549049B1 (en
Inventor
Jean-Louis Gueret
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LOreal SA
Original Assignee
LOreal SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FR898910000A external-priority patent/FR2650255B1/en
Application filed by LOreal SA filed Critical LOreal SA
Publication of EP0549049A1 publication Critical patent/EP0549049A1/en
Application granted granted Critical
Publication of EP0549049B1 publication Critical patent/EP0549049B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D34/00—Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes
    • A45D34/04—Appliances specially adapted for applying liquid, e.g. using roller or ball
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D37/00—Sachet pads specially adapted for liquid toiletry or cosmetic substances
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • A45D40/26—Appliances specially adapted for applying pasty paint, e.g. using roller, using a ball
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0027—Means for neutralising the actuation of the sprayer ; Means for preventing access to the sprayer actuation means
    • B05B11/0032—Manually actuated means located downstream the discharge nozzle for closing or covering it, e.g. shutters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0062—Outlet valves actuated by the pressure of the fluid to be sprayed
    • B05B11/007—Outlet valves actuated by the pressure of the fluid to be sprayed being opened by deformation of a sealing element made of resiliently deformable material, e.g. flaps, skirts, duck-bill valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0062—Outlet valves actuated by the pressure of the fluid to be sprayed
    • B05B11/0072—A valve member forming part of an outlet opening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0078—Arrangements for separately storing several components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/02—Membranes or pistons acting on the contents inside the container, e.g. follower pistons
    • B05B11/026—Membranes separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/02—Membranes or pistons acting on the contents inside the container, e.g. follower pistons
    • B05B11/028—Pistons separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1001—Piston pumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1001—Piston pumps
    • B05B11/1004—Piston pumps comprising a movable cylinder and a stationary piston
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1028—Pumps having a pumping chamber with a deformable wall
    • B05B11/1032—Pumps having a pumping chamber with a deformable wall actuated without substantial movement of the nozzle in the direction of the pressure stroke
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1052—Actuation means
    • B05B11/1056—Actuation means comprising rotatable or articulated levers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1052—Actuation means
    • B05B11/1056—Actuation means comprising rotatable or articulated levers
    • B05B11/1057—Triggers, i.e. actuation means consisting of a single lever having one end rotating or pivoting around an axis or a hinge fixedly attached to the container, and another end directly actuated by the user
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1061—Pump priming means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1066—Pump inlet valves
    • B05B11/1067—Pump inlet valves actuated by pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1066—Pump inlet valves
    • B05B11/1067—Pump inlet valves actuated by pressure
    • B05B11/1069—Pump inlet valves actuated by pressure the valve being made of a resiliently deformable material or being urged in a closed position by a spring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1073—Springs
    • B05B11/1074—Springs located outside pump chambers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D45/00—Clamping or other pressure-applying devices for securing or retaining closure members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/20—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
    • B65D47/2018—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/04—Articles or materials enclosed in two or more containers disposed one within another
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/0055—Containers or packages provided with a flexible bag or a deformable membrane or diaphragm for expelling the contents
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • A45D2040/0018—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks with indirect access, e.g. requiring an initial action for separating the cap from the stick holder
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D2200/00—Details not otherwise provided for in A45D
    • A45D2200/05—Details of containers
    • A45D2200/051—Airtight containers
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D2200/00—Details not otherwise provided for in A45D
    • A45D2200/05—Details of containers
    • A45D2200/054—Means for supplying liquid to the outlet of the container
    • A45D2200/056—Reciprocating pumps, i.e. with variable volume chamber wherein pressure and vacuum are alternately generated
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D2200/00—Details not otherwise provided for in A45D
    • A45D2200/05—Details of containers
    • A45D2200/058—Means for mixing different substances prior to application
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0027—Means for neutralising the actuation of the sprayer ; Means for preventing access to the sprayer actuation means

Definitions

  • the present invention relates to a distribution assembly for one or more fluid product (s) in the form of a liquid or cream (or paste) of varying thickness. This set makes it possible in particular to distribute cosmetic or pharmaceutical products.
  • Numerous dispensing assemblies comprising a container containing the product to be dispensed, on which a dispensing head is fixed, removably or not.
  • This dispensing head comprises a device allowing the user to actuate the dispensing, and at least one dispensing channel communicating, on the one hand, with the container containing the product to be dispensed, and, on the other hand, with the 'outside.
  • the container when there are several products to be distributed, the container may comprise several parts, either that it consists of several independent containers, or that it consists of a single container divided by internal partitions into several compartments, each of the containers or compartments being connected to a channel of the same dispensing head.
  • the dispensing head may also contain a compartment for a product different from that contained in the container, this compartment being connected to the distribution channel for the product contained in the container or to a different channel.
  • the closure system consists of the edge of the sleeve of elastic material which rests on the two opposite faces of the end of said planar partition; this edge is in contact with these two faces of the partition when there is no distribution, deviates from these faces when there is distribution of the product to be distributed and returns by elasticity in contact with these faces when ceases the distribution.
  • the present invention aims to provide for the distribution assemblies, a closure system which is perfectly sealed at rest, that is to say when there is no product distribution, which opens only under the pressure of the product to be dispensed, and which practically does not allow, by itself, air intake.
  • This system is, therefore, aseptic by itself, which is not the case for the patent 4,099,651 cited above.
  • the invention also aims to provide an assembly whose dispensing head ensures, by itself, effective pumping of the product.
  • the present invention therefore relates to a distribution assembly of at least one fluid product, assembly which comprises a container and a distribution head containing at least one distribution channel of the product (s) to be distributed, a system for closure being located at the terminal part, opening on the outside of (or each) distribution channel, said system being formed by at least one obturator which is part of a piece of elastically deformable material of the distribution head and by at least one seat, which is part of another part of the dispensing head, the shutter (s) being in contact with their associated seat when there is no dispensing, s '' spreading from said seat by elastic deformation under the pressure of the product to be dispensed and returning by elasticity in contact with said seat when dispensing ceases, characterized in that the dispensing head contains a second associated valve to the closing system.
  • the (or each) shutter (s) is subjected to the action of a constraint member tending to keep it (or them) applied (s) to the seat with which it (s) cooperates (s) to seal the closing contact.
  • the tightness mentioned in the definition below is only ensured with production imperfections. According to the invention, it must be sufficient to prevent practically any aspiration of air through the closure system after the end of the dispensing of the product, whatever the viscosity of the product to be dispensed. Since the tightness is somewhat a function of the contact zone between the shutter and the seat, the invention provides for choosing a zone of contact of sufficient size for sealing to be ensured.
  • the closure system therefore forms a valve or a valve which can only open in one direction: the direction of distribution of the product.
  • the closure system according to the invention which, in practice, consists only of a small contact area between a shutter of flexible material and a seat, has the advantage of being able to adapt to all of the dispensing heads. , whether they are mounted on welded tubes, distributors with follower piston or flexible bag or on rigid bottles. It can also easily be integrated with dispensing heads having very variable aesthetic shapes. Indeed, the flexible part comprising the shutter and the part carrying the seat of the shutter can have various shapes.
  • the push button may advantageously include a flexible membrane accessible from the outside which acts as a piston by modifying the volume of the internal space.
  • the volume of the pump body formed can be arranged parallel to or perpendicular to the longitudinal axis of the assembly, the push-button being actuated parallel or perpendicular to said longitudinal axis.
  • part of the wall of the dispensing head is made of thin elastic material, so that it can be pierced using a hypodermic needle; said needle is used either to create a vacuum and, consequently, to eliminate the air and suck the product contained in the container in the dispensing head, without contaminating the dispensing orifice, or to create an overpressure which makes it possible to purge the dispensing head using a sterile gas, for example nitrogen.
  • the thinned part can constitute a portion of the blade fitted with a closure system lip.
  • FIG. 1 schematically represents a dispensing assembly 2101 in which the product to be dispensed is contained in a flexible bag 2102 protected by a rigid enclosure 2110 provided with an air intake opening 2110 a .
  • the dispensing head 2103 is of the type with lateral outlet fitted with a nozzle 2103 a and which acts as a pump.
  • Said head 2103 comprises a piece 2104 comprising the seat on which is fixed the flexible pocket 2102 and which is fixed on the edge of the rigid enclosure 2110.
  • a blade 2105 is placed on the piece 2104 comprising the seat and is held by a cover 2106.
  • the part 2104 comprising the seat is constituted by a plate 2141 perpendicular to the longitudinal axis of the assembly 2101 generally having the form of a disc provided with a spout.
  • the piece 2104 comprises a bead 2104 a having an oblique flat surface 2104 d forming a seat facing the axis of the assembly and towards the container. It has a cylindrical skirt facing the cover 2142 which surrounds the blade except at the end of the spout 2103 a and a skirt 2143 facing downwards, onto which the flexible tube is welded.
  • the part is pierced in the vicinity of its axis with a circular opening 2144 on which is fixed a non-return valve with bell constituted by a valve 2113 illustrated in more detail in FIG. 2.
  • This bell valve consists of two capsules 2114 and 2115, the lower capsule 2114 being made of relatively rigid plastic and the capsule 2115 being relatively flexible so as to be able to deform.
  • the two capsules are fixed to each other by fitting.
  • the two capsules 2114 and 2115 are each provided with a skirt 2116 and 2117 turned towards each other by forming a tight seal and capable of sliding against each other until separating leaving a space between them during the deformation of the capsule 2115.
  • the capsules 2114 and 2115 have openings 2118 and 2119 respectively which can only be brought into communication when the skirts 2116 and 2117 are separated.
  • the blade 2105 has, in the beak 2103 , a bevelled part 2105 a which presses tightly on the surface 2104 d forming a seat and a thinned part in the form of a dome 2111, the dome having at its base a diameter greater than that of the bell valve 2113. Between the dome 2111 and the closing system F, the blade 2105 is hollowed out with a channel 2105 b .
  • the cover 2106 covers the blade except in its part corresponding to the closing system F and it is provided in its center with a circular opening 2161 through which the dome 2111 projects outside.
  • the device of Figure 1 operates as described below.
  • the user wishes to dispense the product contained in the flexible tube 2102, he presses on the elastic dome 2111 which reduces the internal space E contained under said dome 2111, the valve 2113 being closed.
  • the product contained in the space E and in the channel 2105 b undergoes an overpressure and opens the closing system F.
  • the closing system F closes again and the dome resumes its forms by elasticity which causes the formation of a depression in the internal space E.
  • the valve 2113 opens and product is transferred from the flexible tube 2102 in the space E.
  • FIG. 3 schematically represents a distribution assembly 2501, the distribution head 2503 of which forms a pump because it comprises two valves.
  • the distribution assembly 2501 comprises a flexible pocket 2502 protected by a rigid enclosure 2510 provided with an air intake opening 2510 a .
  • the dispensing head comprises, firstly, a piece 2504 comprising the seat, secondly, an O-ring piece 2505 molded in one piece with a flexible blade forming a dome 2507 and carrying a lug 2508 forming part of a second valve 2513, and, thirdly, a cover 2506.
  • the part 2504 comprising the seat has the general shape of a disc fixed on the upper edge of the rigid enclosure 2510 and it is provided with a cylindrical inner skirt 2541 on which the flexible pocket 2502 is welded. On a portion of its periphery, it is hollowed out of a groove 2542 having in section the shape of a segment of circle into which opens a radial channel 2543 hollowed out in the part 2504.
  • the part 2504 is hollowed out by a channel 2544 parallel to the longitudinal axis of the assembly 2501 which opens into the flexible pocket 2502 at one end and is in communication with a notch 2545 of the part 2504, separated from the channel 2544 by a wall 2546 parallel to the axis of the assembly 2501 whose upper edge is beveled.
  • the O-ring 2505 has, in section, the shape of a circle provided with a lug 2552 at the level of the closure and it fits into the groove 2542.
  • the dome 2507 is located above the support 2504 and it defines above said support 2504, an internal space E which communicates, on the one hand, with the channel 2543 and, on the other hand, with the notch 2545.
  • the base of the dome 2507 is extended on the side opposite to the opening of the channel 2543 by a plate carrying a lug 2508 which cooperates with the wall 2546 to form a valve 2513. In this valve 2513, the lug 2508 rests tightly on the surface of the rim of the wall 2546.
  • the cover 2506 is fixed to the periphery of the support 2504 and it is provided with an opening 2561 through which the dome 2507 projects.
  • the cover 2506 is hollowed out by a groove 2562 having the shape in section, of a circle segment which adjusts to the groove 2542 to form together (in section) a larger circle segment.
  • the groove 2562 and a fraction of the groove 2542 are dug by a product supply channel 2509.
  • the assembly 2501 operates as follows.
  • the user wishes to distribute the product, he presses on the elastic dome 2507 and reduces the internal space E, the valve 2513 being closed.
  • the product contained in this space undergoes an overpressure and exerts a thrust via the channel 2543 on the torus 2505. It causes the displacement of the latter by elasticity in the direction of the arrow f 2 , which opens the channel of brought 2509 on the outside.
  • the product is distributed.
  • the pressure of the product to be distributed on the torus 2505 ceases and the latter resumes its place by elasticity and closes the channel 2509.
  • the dome regaining its shape by elasticity, it occurs a depression in space E.
  • This depression causes the valve 2513 to open, the lug 2508 moving apart by bending the rim from the partition 2546.
  • Product contained in the bag 2502 is sucked into space E through the conduit 2544 and the notch 2545.
  • the dispensing head is ready for a new distribution of the product.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Cosmetics (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)
  • Packages (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Lift Valve (AREA)
  • Peptides Or Proteins (AREA)

Abstract

The invention relates to an assembly (2501) for dispensing at least one fluid product. This assembly comprises at least one dispensing channel (2105b), comprising at its end part a closure system (F) which opens onto the outside. The closure system is formed by a shutter (2105a) which forms part of a piece made of an elastically deformable material, and a seat (2104d) which forms part of another piece (2104) of the dispensing head (2103), the shutter being in contact with its associated seat when dispensing is not taking place, and moving away from its seat by elastic deformation under the pressure of the product to be dispensed, and returning by elasticity into contact with the said seat when the dispensing ceases. The dispensing head (2103) contains a second valve (2113) associated with the closure system (F). <IMAGE>

Description

La présente invention concerne un ensemble de distribution d'un ou plusieurs produit(s) fluide(s) sous forme de liquide ou de crème (ou pâte) plus ou moins épaisse. Cet ensemble permet notamment de distribuer des produits cosmétiques ou pharmaceutiques.The present invention relates to a distribution assembly for one or more fluid product (s) in the form of a liquid or cream (or paste) of varying thickness. This set makes it possible in particular to distribute cosmetic or pharmaceutical products.

On connaît de nombreux ensembles de distribution comportant un récipient contenant le produit à distribuer, sur lequel on fixe, de façon amovible ou non, une tête de distribution. Cette tête de distribution comporte un dispositif permettant à l'utilisateur d'actionner la distribution, et au moins un canal de distribution communiquant, d'une part, avec le récipient contenant le produit à distribuer, et, d'autre part, avec l'extérieur.Numerous dispensing assemblies are known comprising a container containing the product to be dispensed, on which a dispensing head is fixed, removably or not. This dispensing head comprises a device allowing the user to actuate the dispensing, and at least one dispensing channel communicating, on the one hand, with the container containing the product to be dispensed, and, on the other hand, with the 'outside.

De façon connue, lorsqu'il y a plusieurs produits à distribuer, le récipient peut comporter plusieurs parties, soit qu'il soit constitué de plusieurs conteneurs indépendants, soit qu'il soit constitué d'un conteneur unique divisé par des cloisons internes en plusieurs compartiments, chacun des conteneurs ou des compartiments étant relié à un canal de la même tête de distribution. La tête de distribution peut également contenir un compartiment pour un produit différent de celui contenu dans le récipient, ce compartiment étant relié au canal de distribution du produit contenu dans le récipient ou à un canal différent.In a known manner, when there are several products to be distributed, the container may comprise several parts, either that it consists of several independent containers, or that it consists of a single container divided by internal partitions into several compartments, each of the containers or compartments being connected to a channel of the same dispensing head. The dispensing head may also contain a compartment for a product different from that contained in the container, this compartment being connected to the distribution channel for the product contained in the container or to a different channel.

Il est connu, qu'après la distribution du produit, une partie de celui-ci reste dans le canal de distribution. Cette partie du produit est en contact avec l'air lors de la reprise d'air de la tête de distribution et, éventuellement, au cours du stockage. Le produit peut donc être dégradé par oxydation ou souillé par les impuretés et les micro-organismes de l'air et, par conséquent, lors d'une distribution ultérieure, le produit distribué pourra avoir perdu ses qualités et même être devenu nocif.It is known that after the distribution of the product, part of it remains in the distribution channel. This part of the product is in contact with air during the air intake from the dispensing head and, possibly, during storage. The product can therefore be degraded by oxidation or contaminated by impurities and microorganisms in the air and, therefore, during subsequent distribution, the distributed product may have lost its qualities and even become harmful.

Dans US-A-4 099 651, on a proposé de résoudre ce problème par un système de fermeture ne s'ouvrant que sous la poussée du produit à distribuer. Ce brevet décrit une tête de distribution comportant un élément tubulaire fixé sur l'embout d'un tube souple ; l'élément tubulaire contient, sur au moins une partie de sa longueur, une cloison plane qui dépasse de l'élément tubulaire : deux canaux de sortie du produit sont ainsi définis. Un manchon en matériau élastique est enfilé sur l'élément tubulaire et sur la partie de la cloison plane qui en dépasse. Le système de fermeture est constitué par le bord du manchon en matériau élastique qui repose sur les deux faces opposées de l'extrémité de ladite cloison plane ; ce bord est en contact avec ces deux faces de la cloison lorsqu'il n'y a pas de distribution, s'écarte de ces faces lorsqu'il y a distribution du produit à distribuer et revient par élasticité en contact avec ces faces lorsque cesse la distribution.In US-A-4,099,651, it has been proposed to solve this problem by a closure system which opens only under the pressure of the product to be dispensed. This patent describes a dispensing head comprising a tubular element fixed to the end of a flexible tube; the tubular element contains, over at least part of its length, a flat partition which protrudes from the tubular element: two product outlet channels are thus defined. A sleeve of elastic material is fitted over the tubular element and over the part of the planar partition which projects beyond it. The closure system consists of the edge of the sleeve of elastic material which rests on the two opposite faces of the end of said planar partition; this edge is in contact with these two faces of the partition when there is no distribution, deviates from these faces when there is distribution of the product to be distributed and returns by elasticity in contact with these faces when ceases the distribution.

Cependant, dans un tel système de fermeture, le contact entre le bord du manchon et la face de la cloison n'est assuré que par l'élasticité de la zone de bord du manchon et il en résulte fréquemment une étanchéité au repos très insuffisante, quelle que soit la surface de contact entre le bord du manchon et chacune des faces de la cloison, en particulier lorsque le produit distribué est visqueux.However, in such a closure system, the contact between the edge of the sleeve and the face of the partition is only ensured by the elasticity of the edge area of the sleeve and this frequently results in a very insufficient seal at rest, whatever the contact surface between the edge of the sleeve and each of the faces of the partition, in particular when the product dispensed is viscous.

La présente invention a pour but de fournir pour les ensembles de distribution, un système de fermeture qui est parfaitement étanche au repos, c'est-à-dire lorsqu'il n'y a pas distribution de produit, qui ne s'ouvre que sous la pression du produit à distribuer, et qui ne permet pratiquement pas, par lui-même, de reprise d'air. Ce système est, par conséquent, aseptique par lui-même, ce qui n'est pas le cas pour le brevet 4 099 651 précité.The present invention aims to provide for the distribution assemblies, a closure system which is perfectly sealed at rest, that is to say when there is no product distribution, which opens only under the pressure of the product to be dispensed, and which practically does not allow, by itself, air intake. This system is, therefore, aseptic by itself, which is not the case for the patent 4,099,651 cited above.

L'invention a aussi pour but de fournir un ensemble dont la tête de distribution permet d'assurer, par ellemême, un pompage efficace du produit.The invention also aims to provide an assembly whose dispensing head ensures, by itself, effective pumping of the product.

La présente invention a donc pour objet un ensemble de distribution d'au moins un produit fluide, ensemble qui comporte un récipient et une tête de distribution contenant au moins un canal de distribution du (des) produit(s) à distribuer, un système de fermeture étant situé à la partie terminale, s'ouvrant sur l'extérieur du (ou de chaque) canal de distribution, ledit système étant formé par au moins un obturateur qui fait partie d'une pièce en matériau élastiquement déformable de la tête de distribution et par au moins un siège, qui fait partie d'une autre pièce de la tête de distribution, l'(ou les) obturateur(s) étant en contact avec leur siège associé lorsqu'il n'y a pas de distribution, s'écartant dudit siège par déformation élastique sous la pression du produit à distribuer et revenant par élasticité en contact avec ledit siège lorsque cesse la distribution, caractérisé par le fait que la tête de distribution contient une seconde valve associée au système de fermeture.The present invention therefore relates to a distribution assembly of at least one fluid product, assembly which comprises a container and a distribution head containing at least one distribution channel of the product (s) to be distributed, a system for closure being located at the terminal part, opening on the outside of (or each) distribution channel, said system being formed by at least one obturator which is part of a piece of elastically deformable material of the distribution head and by at least one seat, which is part of another part of the dispensing head, the shutter (s) being in contact with their associated seat when there is no dispensing, s '' spreading from said seat by elastic deformation under the pressure of the product to be dispensed and returning by elasticity in contact with said seat when dispensing ceases, characterized in that the dispensing head contains a second associated valve to the closing system.

Avantageusement, le (ou chacun des) obturateur(s) est soumis à l'action d'un organe de contrainte ayant tendance à le (ou les) maintenir appliqué(s) sur le siège avec lequel il(s) coopère(nt) pour assurer l'étanchéité du contact de fermeture.Advantageously, the (or each) shutter (s) is subjected to the action of a constraint member tending to keep it (or them) applied (s) to the seat with which it (s) cooperates (s) to seal the closing contact.

Il est entendu que l'étanchéité mentionnée dans la définition ci-dessous n'est assurée qu'aux imperfections de réalisation près. Selon l'invention elle doit être suffisante pour empêcher pratiquement toute aspiration d'air à travers le système de fermeture après la fin de la distribution du produit, quelle que soit la viscosité du produit à distribuer. L'étanchéité étant quelque peu fonction de la zone de contact entre l'obturateur et le siège, l'invention, prévoit de choisir une zone de contact ayant une dimension suffisante pour que l'étanchéité soit assurée.It is understood that the tightness mentioned in the definition below is only ensured with production imperfections. According to the invention, it must be sufficient to prevent practically any aspiration of air through the closure system after the end of the dispensing of the product, whatever the viscosity of the product to be dispensed. Since the tightness is somewhat a function of the contact zone between the shutter and the seat, the invention provides for choosing a zone of contact of sufficient size for sealing to be ensured.

Selon la présente invention, le système de fermeture forme donc une valve ou une soupape qui ne peut s'ouvrir que dans un sens : le sens de distribution du produit.According to the present invention, the closure system therefore forms a valve or a valve which can only open in one direction: the direction of distribution of the product.

Le système de fermeture selon l'invention, qui, en pratique, n'est constitué que par une faible zone de contact entre un obturateur en matériau flexible et un siège, a l'avantage de pouvoir s'adapter sur toutes les têtes de distribution, qu'elles soient montées sur des tubes soudés, des distributeurs à piston suiveur ou à poche souple ou sur des flacons rigides. Il peut également facilement être intégré à des têtes de distribution ayant des formes esthétiques très variables. En effet, la pièce flexible comportant l'obturateur et la pièce portant le siège de l'obturateur peuvent avoir des formes diverses.The closure system according to the invention, which, in practice, consists only of a small contact area between a shutter of flexible material and a seat, has the advantage of being able to adapt to all of the dispensing heads. , whether they are mounted on welded tubes, distributors with follower piston or flexible bag or on rigid bottles. It can also easily be integrated with dispensing heads having very variable aesthetic shapes. Indeed, the flexible part comprising the shutter and the part carrying the seat of the shutter can have various shapes.

Le bouton-poussoir peut avantageusement comporter une membrane flexible accessible de l'extérieur qui fait office de piston en modifiant le volume de l'espace interne. Le volume du corps de pompe formé peut être disposé parallèlement à l'axe longitudinal de l'ensemble ou perpendiculairement à celui-ci, le bouton-poussoir étant actionné parallèlement ou perpendiculairement audit axe longitudinal.The push button may advantageously include a flexible membrane accessible from the outside which acts as a piston by modifying the volume of the internal space. The volume of the pump body formed can be arranged parallel to or perpendicular to the longitudinal axis of the assembly, the push-button being actuated parallel or perpendicular to said longitudinal axis.

On peut prévoir qu'une partie de la paroi de la tête de distribution soit en matériau élastique mince, de façon à pouvoir être percée à l'aide d'une aiguille hypodermique ; ladite aiguille sert soit à créer un vide et, par conséquent, à éliminer l'air et aspirer le produit contenu dans le récipient dans la tête de distribution, sans souiller l'orifice de distribution, soit à créer une surpression ce qui permet de purger la tête de distribution à l'aide d'un gaz stérile, par exemple de l'azote. La partie amincie peut constituer une portion de la lame munie d'une lèvre du système de fermeture.It can be provided that part of the wall of the dispensing head is made of thin elastic material, so that it can be pierced using a hypodermic needle; said needle is used either to create a vacuum and, consequently, to eliminate the air and suck the product contained in the container in the dispensing head, without contaminating the dispensing orifice, or to create an overpressure which makes it possible to purge the dispensing head using a sterile gas, for example nitrogen. The thinned part can constitute a portion of the blade fitted with a closure system lip.

Pour mieux faire comprendre l'objet de l'invention, on va en décrire ci-après, à titre purement illustratif et non limitatif, plusieurs modes de réalisation représentés sur le dessin annexé.To better understand the object of the invention, we will describe below, purely by way of illustration and not limitation, several embodiments shown in the accompanying drawing.

Sur ce dessin :

  • la figure 1 représente un ensemble de distribution comportant deux valves avec actionnement de la pompe par un dôme flexible ;
  • la figure 2 représente en agrandi, le détail de la valve inférieure ;
  • la figure 3 est une vue en coupe axiale d'une autre réalisation d'un ensemble à deux valves formant pompe, où l'obturateur fait partie d'un tore élastique ;
  • la figure 4, enfin, est une vue de dessus dudit tore élastique.
On this drawing :
  • FIG. 1 represents a distribution assembly comprising two valves with actuation of the pump by a flexible dome;
  • FIG. 2 is an enlarged view of the detail of the lower valve;
  • Figure 3 is an axial sectional view of another embodiment of an assembly with two valves forming a pump, where the shutter is part of an elastic torus;
  • Figure 4, finally, is a top view of said elastic torus.

La figure 1 représente schématiquement un ensemble de distribution 2101 dans lequel le produit à distribuer est contenu dans une poche souple 2102 protégée par une enceinte rigide 2110 munie d'une ouverture de prise d'air 2110a. La tête de distribution 2103 est du type à sortie latérale munie d'un bec 2103a et qui fait pompe. Ladite tête 2103 comporte une pièce 2104 comportant le siège sur lequel est fixée la poche souple 2102 et qui est fixée sur le bord de l'enceinte rigide 2110. Une lame 2105 est posée sur la pièce 2104 comportant le siège et elle est maintenue par un couvercle 2106. La pièce 2104 comportant le siège est constituée par une plaque 2141 perpendiculaire à l'axe longitudinal de l'ensemble 2101 ayant de façon générale la forme d'un disque muni d'un bec. A l'extrémité du bec, la pièce 2104 comporte un bourrelet 2104a présentant une surface plane oblique 2104d formant siège tournée vers l'axe de l'ensemble et vers le récipient. Elle comporte une jupe cylindrique tournée vers le couvercle 2142 qui entoure la lame sauf au niveau de l'extrémité du bec 2103a et une jupe 2143 tournée vers le bas, sur laquelle est soudé le tube souple. La pièce est percée au voisinage de son axe d'une ouverture circulaire 2144 sur laquelle est fixée une valve antiretour à cloche constituée par une valve 2113 illustrée plus en détail sur la figure 2.FIG. 1 schematically represents a dispensing assembly 2101 in which the product to be dispensed is contained in a flexible bag 2102 protected by a rigid enclosure 2110 provided with an air intake opening 2110 a . The dispensing head 2103 is of the type with lateral outlet fitted with a nozzle 2103 a and which acts as a pump. Said head 2103 comprises a piece 2104 comprising the seat on which is fixed the flexible pocket 2102 and which is fixed on the edge of the rigid enclosure 2110. A blade 2105 is placed on the piece 2104 comprising the seat and is held by a cover 2106. The part 2104 comprising the seat is constituted by a plate 2141 perpendicular to the longitudinal axis of the assembly 2101 generally having the form of a disc provided with a spout. At the end of the spout, the piece 2104 comprises a bead 2104 a having an oblique flat surface 2104 d forming a seat facing the axis of the assembly and towards the container. It has a cylindrical skirt facing the cover 2142 which surrounds the blade except at the end of the spout 2103 a and a skirt 2143 facing downwards, onto which the flexible tube is welded. The part is pierced in the vicinity of its axis with a circular opening 2144 on which is fixed a non-return valve with bell constituted by a valve 2113 illustrated in more detail in FIG. 2.

Cette valve à cloche se compose de deux capsules 2114 et 2115, la capsule inférieure 2114 étant en matière plastique relativement rigide et la capsule 2115, étant relativement souple de façon à pouvoir se déformer. Les deux capsules sont fixées l'une sur l'autre par emboîtage. Les deux capsules 2114 et 2115 sont munies chacune d'une jupe 2116 et 2117 tournées l'une vers l'autre en formant un joint étanche et pouvant glisser l'une contre l'autre jusqu'à se séparer en laissant un espace entre elles lors de la déformation de la capsule 2115. Les capsules 2114 et 2115 comportent des ouvertures 2118 et 2119 respectivement qui ne peuvent être mises en communication que lorsque les jupes 2116 et 2117 sont séparées.This bell valve consists of two capsules 2114 and 2115, the lower capsule 2114 being made of relatively rigid plastic and the capsule 2115 being relatively flexible so as to be able to deform. The two capsules are fixed to each other by fitting. The two capsules 2114 and 2115 are each provided with a skirt 2116 and 2117 turned towards each other by forming a tight seal and capable of sliding against each other until separating leaving a space between them during the deformation of the capsule 2115. The capsules 2114 and 2115 have openings 2118 and 2119 respectively which can only be brought into communication when the skirts 2116 and 2117 are separated.

La lame 2105 comporte dans le bec 2103a une partie biseautée 2105a qui s'appuie de façon étanche sur la surface 2104d formant siège et une partie amincie en forme de dôme 2111, le dôme ayant à sa base un diamètre supérieur à celui de la valve en cloche 2113. Entre le dôme 2111 et le système de fermeture F, la lame 2105 est creusée d'un canal 2105b. Le couvercle 2106 recouvre la lame sauf dans sa partie correspondant au système de fermeture F et il est muni en son centre d'une ouverture circulaire 2161 par laquelle le dôme 2111 fait saillie à l'extérieur.The blade 2105 has, in the beak 2103 , a bevelled part 2105 a which presses tightly on the surface 2104 d forming a seat and a thinned part in the form of a dome 2111, the dome having at its base a diameter greater than that of the bell valve 2113. Between the dome 2111 and the closing system F, the blade 2105 is hollowed out with a channel 2105 b . The cover 2106 covers the blade except in its part corresponding to the closing system F and it is provided in its center with a circular opening 2161 through which the dome 2111 projects outside.

Le dispositif de la figure 1 fonctionne de la façon décrite ci-après. Lorsque l'utilisateur désire distribuer le produit contenu dans le tube souple 2102, il appuie sur le dôme élastique 2111 ce qui diminue l'espace interne E contenu sous ledit dôme 2111, la valve 2113 étant fermée. Le produit contenu dans l'espace E et dans le canal 2105b subit une surpression et ouvre le système de fermeture F. Lorsque l'utilisateur cesse d'appuyer sur le dôme 2111, le système de fermeture F se referme et le dôme reprend sa forme par élasticité ce qui provoque la formation d'une dépression dans l'espace interne E. La valve 2113 s'ouvre et du produit est transféré du tube souple 2102 dans l'espace E.The device of Figure 1 operates as described below. When the user wishes to dispense the product contained in the flexible tube 2102, he presses on the elastic dome 2111 which reduces the internal space E contained under said dome 2111, the valve 2113 being closed. The product contained in the space E and in the channel 2105 b undergoes an overpressure and opens the closing system F. When the user stops pressing on the dome 2111, the closing system F closes again and the dome resumes its forms by elasticity which causes the formation of a depression in the internal space E. The valve 2113 opens and product is transferred from the flexible tube 2102 in the space E.

La figure 3 représente schématiquement un ensemble de distribution 2501 dont la tête de distribution 2503 forme pompe car elle comporte deux valves. L'ensemble de distribution 2501 comporte une poche souple 2502 protégée par une enceinte rigide 2510 munie d'une ouverture de prise d'air 2510a. La tête de distribution comporte, en premier lieu, une pièce 2504 comportant le siège, en deuxième lieu, une pièce torique 2505 moulée d'une seule pièce avec une lame flexible formant un dôme 2507 et portant un ergot 2508 faisant partie d'une seconde valve 2513, et, en troisième lieu, un couvercle 2506.FIG. 3 schematically represents a distribution assembly 2501, the distribution head 2503 of which forms a pump because it comprises two valves. The distribution assembly 2501 comprises a flexible pocket 2502 protected by a rigid enclosure 2510 provided with an air intake opening 2510 a . The dispensing head comprises, firstly, a piece 2504 comprising the seat, secondly, an O-ring piece 2505 molded in one piece with a flexible blade forming a dome 2507 and carrying a lug 2508 forming part of a second valve 2513, and, thirdly, a cover 2506.

La pièce 2504 comportant le siège a la forme générale d'un disque fixé sur le bord supérieur de l'enceinte rigide 2510 et il est muni d'une jupe intérieure cylindrique 2541 sur laquelle est soudée la poche souple 2502. Sur une portion de sa périphérie, il est creusé d'une rainure 2542 ayant en section la forme d'un segment de cercle dans laquelle débouche un canal radial 2543 creusé dans la pièce 2504. En un point diamétralement opposé à la sortie du canal 2543 la pièce 2504 est creusée par un canal 2544 parallèle à l'axe longitudinal de l'ensemble 2501 qui débouche dans la poche souple 2502 à une extrémité et est en communication avec une échancrure 2545 de la pièce 2504, séparée du canal 2544 par une paroi 2546 parallèle à l'axe de l'ensemble 2501 dont le bord supérieur est en biseau.The part 2504 comprising the seat has the general shape of a disc fixed on the upper edge of the rigid enclosure 2510 and it is provided with a cylindrical inner skirt 2541 on which the flexible pocket 2502 is welded. On a portion of its periphery, it is hollowed out of a groove 2542 having in section the shape of a segment of circle into which opens a radial channel 2543 hollowed out in the part 2504. At a point diametrically opposite to the outlet of the channel 2543 the part 2504 is hollowed out by a channel 2544 parallel to the longitudinal axis of the assembly 2501 which opens into the flexible pocket 2502 at one end and is in communication with a notch 2545 of the part 2504, separated from the channel 2544 by a wall 2546 parallel to the axis of the assembly 2501 whose upper edge is beveled.

Le joint torique 2505 a, en section, la forme d'un cercle muni d'un ergot 2552 au niveau du système de fermeture et il s'emboîte dans la rainure 2542. Le dôme 2507 est situé au-dessus du support 2504 et il définit au-dessus dudit support 2504, un espace interne E qui communique, d'une part, avec le canal 2543 et, d'autre part, avec l'échancrure 2545. La base du dôme 2507 se prolonge du côté opposé à l'ouverture du canal 2543 par une plaque portant un ergot 2508 qui coopère avec la paroi 2546 pour former une valve 2513. Dans cette valve 2513, l'ergot 2508 repose de façon étanche sur la surface du rebord de la paroi 2546. Le couvercle 2506 est fixé sur la périphérie du support 2504 et il est muni d'une ouverture 2561 par laquelle le dôme 2507 fait saillie. Au niveau du tore 2405, le couvercle 2506 est creusé d'une rainure 2562 ayant la forme en section, d'un segment de cercle qui s'ajuste à la rainure 2542 pour former ensemble (en section) un segment de cercle plus étendu. Au niveau de la sortie du canal de distribution 2543, au-dessus de celui-ci, la rainure 2562 et une fraction de la rainure 2542 sont creusées par un canal d'amenée du produit 2509.The O-ring 2505 has, in section, the shape of a circle provided with a lug 2552 at the level of the closure and it fits into the groove 2542. The dome 2507 is located above the support 2504 and it defines above said support 2504, an internal space E which communicates, on the one hand, with the channel 2543 and, on the other hand, with the notch 2545. The base of the dome 2507 is extended on the side opposite to the opening of the channel 2543 by a plate carrying a lug 2508 which cooperates with the wall 2546 to form a valve 2513. In this valve 2513, the lug 2508 rests tightly on the surface of the rim of the wall 2546. The cover 2506 is fixed to the periphery of the support 2504 and it is provided with an opening 2561 through which the dome 2507 projects. At the torus 2405, the cover 2506 is hollowed out by a groove 2562 having the shape in section, of a circle segment which adjusts to the groove 2542 to form together (in section) a larger circle segment. At the outlet of the distribution channel 2543, above it, the groove 2562 and a fraction of the groove 2542 are dug by a product supply channel 2509.

L'ensemble 2501 fonctionne de la façon suivante. Lorsque l'utilisateur désire distribuer le produit, il appuie sur le dôme élastique 2507 et fait diminuer l'espace interne E, la valve 2513 étant fermée. Le produit contenu dans cet espace subit une surpression et exerce une poussée par l'intermédiaire du canal 2543 sur le tore 2505. Il provoque le déplacement de ce dernier par élasticité dans le sens de la flèche f2, ce qui ouvre le canal d'amenée 2509 sur l'extérieur. Le produit est distribué. Lorsque l'utilisateur cesse d'appuyer sur le dôme élastique 2511 la poussée du produit à distribuer sur le tore 2505 cesse et celui-ci reprend sa place par élasticité et ferme le canal 2509. Le dôme reprenant sa forme par élasticité, il se produit une dépression dans l'espace E. Cette dépression provoque l'ouverture de la valve 2513, l'ergot 2508 s'écartant par flexion du rebord de la cloison 2546. Du produit contenu dans la poche 2502 est aspiré dans l'espace E par le conduit 2544 et l'échancrure 2545. La tête de distribution est prête pour une nouvelle distribution du produit.The assembly 2501 operates as follows. When the user wishes to distribute the product, he presses on the elastic dome 2507 and reduces the internal space E, the valve 2513 being closed. The product contained in this space undergoes an overpressure and exerts a thrust via the channel 2543 on the torus 2505. It causes the displacement of the latter by elasticity in the direction of the arrow f 2 , which opens the channel of brought 2509 on the outside. The product is distributed. When the user ceases to press on the elastic dome 2511 the pressure of the product to be distributed on the torus 2505 ceases and the latter resumes its place by elasticity and closes the channel 2509. The dome regaining its shape by elasticity, it occurs a depression in space E. This depression causes the valve 2513 to open, the lug 2508 moving apart by bending the rim from the partition 2546. Product contained in the bag 2502 is sucked into space E through the conduit 2544 and the notch 2545. The dispensing head is ready for a new distribution of the product.

Claims (8)

Ensemble de distribution (2101, 2501) d'au moins un produit fluide, ensemble qui comporte un récipient (2102, 2502) et une tête de distribution (2103, 2503) contenant au moins un canal de distribution du (des) produit(s) à distribuer, un système de fermeture (F) étant situé à la partie terminale, s'ouvrant sur l'extérieur du (ou de chaque) canal de distribution, ledit système étant formé par un obturateur (2105a, 2505) qui fait partie d'une pièce en matériau élastiquement déformable (2105, 2505) de la tête de distribution et par au moins un siège, qui fait partie d'une autre pièce de la tête de distribution, le (ou les) obturateur(s) étant en contact avec leur siège associé lorsqu'il n'y a pas de distribution, s'écartant dudit siège par déformation élastique sous la pression du produit à distribuer et revenant par élasticité en contact avec ledit siège lorsque cesse la distribution, caractérisé par le fait que la tête de distribution (2103, 2503) contient une seconde valve (2113, 2513) associée au système de fermeture (F).Distribution assembly (2101, 2501) of at least one fluid product, assembly comprising a container (2102, 2502) and a distribution head (2103, 2503) containing at least one distribution channel for the product (s) ) to be dispensed, a closure system (F) being located at the terminal part, opening onto the outside of (or each) distribution channel, said system being formed by a shutter (2105 a , 2505) which part of a piece of elastically deformable material (2105, 2505) of the dispensing head and by at least one seat, which is part of another piece of the dispensing head, the shutter (s) being in contact with their associated seat when there is no distribution, deviating from said seat by elastic deformation under the pressure of the product to be distributed and returning by elasticity in contact with said seat when the distribution ceases, characterized by the fact that the dispensing head (2103, 2503) cont ient a second valve (2113, 2513) associated with the closure system (F). Ensemble selon la revendication 1, caractérisé par le fait que le bouton-poussoir comporte une membrane flexible (2111, 2507) accessible de l'extérieur, qui fait office de piston en permettant de modifier le volume interne de la tête de distribution (2103, 2503).Assembly according to claim 1, characterized in that the push-button comprises a flexible membrane (2111, 2507) accessible from the outside, which acts as a piston allowing the internal volume of the dispensing head (2103, 2503). Ensemble selon la revendication 1 ou 2, caractérisé par le fait que la seconde valve est constituée par une valve antiretour à cloche (2113).Assembly according to claim 1 or 2, characterized in that the second valve is constituted by a non-return valve with bell (2113). Ensemble selon la revendication 3, caractérisé par le fait que la valve à cloche (2113) se compose de deux capsules (2114, 2115) fixées l'une sur l'autre par emboltage, la capsule inférieure (2114) étant en matière plastique relativement rigide et l'autre capsule (2115) étant relativement souple de façon à pouvoir se déformer.Assembly according to claim 3, characterized in that the bell valve (2113) consists of two capsules (2114, 2115) fixed one on the other by embolage, the lower capsule (2114) being made of relatively plastic material rigid and the other capsule (2115) being relatively flexible so as to be able to deform. Ensemble selon la revendication 4, caractérisé par le fait que les deux capsules (2114, 2115) sont munies chacune d'une jupe (2116, 2117) tournées l'une vers l'autre en formant un joint étanche et pouvant glisser l'une contre l'autre jusqu'à se séparer en laissant un espace entre elles lors de la déformation de la capsule (2115).Assembly according to claim 4, characterized in that the two capsules (2114, 2115) are each provided with a skirt (2116, 2117) turned towards one another by forming a tight seal and capable of sliding one against the other until separating leaving a space between them during the deformation of the capsule (2115). Ensemble selon la revendication 5, caractérisé par le fait que les capsules (2114, 2115) comportent des ouvertures (2118, 2119) respectivement qui ne peuvent être mises en communication que lorsque les jupes (2116, 2117) sont séparées.Assembly according to claim 5, characterized in that the capsules (2114, 2115) have openings (2118, 2119) respectively which can only be brought into communication when the skirts (2116, 2117) are separated. Ensemble selon la revendication 1 ou 2, caractérisé par le fait que la tête de distribution comporte une lame flexible formant dôme (2507) dont la base se prolonge, du côté opposé à l'ouverture du canal (2543), par une plaque portant un ergot (2508) qui coopère avec une paroi (2546) pour former la seconde valve (2513).Assembly according to claim 1 or 2, characterized in that the dispensing head comprises a flexible dome-shaped blade (2507), the base of which extends, on the side opposite to the opening of the channel (2543), by a plate carrying a lug (2508) which cooperates with a wall (2546) to form the second valve (2513). Ensemble selon l'une quelconque des revendications précédentes, caractérisé par le fait que le (ou chacun des) obturateur(s) (2105, 2505) est soumis à l'action d'un organe de contrainte (2106, 2506) ayant tendance à le (ou les) maintenir appliqué(s) sur le siège avec lequel il(s) coopère(nt) pour assurer l'étanchéité du contact de fermeture.Assembly according to any one of the preceding claims, characterized in that the (or each of) the shutter (s) (2105, 2505) is subjected to the action of a constraint member (2106, 2506) tending to keep it (or them) applied on the seat with which it (s) cooperates (s) to ensure the tightness of the closing contact.
EP92203940A 1989-07-25 1990-07-20 Assembly for dispensing at least one fluid product Expired - Lifetime EP0549049B1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
FR8910000 1989-07-25
FR898910000A FR2650255B1 (en) 1989-07-25 1989-07-25 DISPENSING ASSEMBLY OF ONE OR MORE PRODUCT (S) IN THE FORM OF A CREAM, LIQUID OR POWDER, ESPECIALLY COSMETIC PRODUCTS
EP90400269 1990-02-01
EP90400269 1990-02-01
EP90402098A EP0410858B1 (en) 1989-07-25 1990-07-20 Assembly for dispensing at least one fluid product such as cosmetics or pharmaceutics

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP90402098.9 Division 1990-07-20

Publications (2)

Publication Number Publication Date
EP0549049A1 true EP0549049A1 (en) 1993-06-30
EP0549049B1 EP0549049B1 (en) 1996-05-15

Family

ID=26127041

Family Applications (4)

Application Number Title Priority Date Filing Date
EP90402098A Expired - Lifetime EP0410858B1 (en) 1989-07-25 1990-07-20 Assembly for dispensing at least one fluid product such as cosmetics or pharmaceutics
EP92203940A Expired - Lifetime EP0549049B1 (en) 1989-07-25 1990-07-20 Assembly for dispensing at least one fluid product
EP92203941A Expired - Lifetime EP0549050B1 (en) 1989-07-25 1990-07-20 Assembly for dispensing at least one fluid product such as cosmetics or pharmaceutics
EP92203939A Expired - Lifetime EP0540129B1 (en) 1989-07-25 1990-07-20 Assembly for dispensing a fluid product such as cosmetics or pharmaceutics

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP90402098A Expired - Lifetime EP0410858B1 (en) 1989-07-25 1990-07-20 Assembly for dispensing at least one fluid product such as cosmetics or pharmaceutics

Family Applications After (2)

Application Number Title Priority Date Filing Date
EP92203941A Expired - Lifetime EP0549050B1 (en) 1989-07-25 1990-07-20 Assembly for dispensing at least one fluid product such as cosmetics or pharmaceutics
EP92203939A Expired - Lifetime EP0540129B1 (en) 1989-07-25 1990-07-20 Assembly for dispensing a fluid product such as cosmetics or pharmaceutics

Country Status (7)

Country Link
US (4) US5301850A (en)
EP (4) EP0410858B1 (en)
JP (2) JPH0755715B2 (en)
AT (4) ATE134961T1 (en)
CA (1) CA2021856C (en)
DE (4) DE69007894T2 (en)
ES (4) ES2050976T3 (en)

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DE102021201569A1 (en) * 2021-02-18 2022-08-18 Castus GmbH & Co. KG beta containers for an alpha-beta port system
US11772851B2 (en) * 2021-06-21 2023-10-03 Medmix Switzerland Ag Liquid applicator

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Cited By (12)

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EP0649683A1 (en) * 1993-10-22 1995-04-26 L'oreal Dispensing assembly with a variable volume compression chamber and a membrane
FR2711555A1 (en) * 1993-10-22 1995-05-05 Oreal Distribution assembly with variable volume compression chamber with membrane.
US5505341A (en) * 1993-10-22 1996-04-09 L'oreal Dispensing assembly with a variable-volume compression chamber and with a diaphragm
US5753943A (en) * 1995-03-07 1998-05-19 Nippondenso Co., Ltd. Insulated gate type field effect transistor and method of manufacturing the same
US6146947A (en) * 1995-03-07 2000-11-14 Nippondenso Co., Ltd. Insulated gate type field effect transistor and method of manufacturing the same
WO1997026998A2 (en) * 1996-01-22 1997-07-31 Unilever Plc Refillable pump dispenser and refill cartridge
WO1997026998A3 (en) * 1996-01-22 1997-10-09 Unilever Plc Refillable pump dispenser and refill cartridge
US8419307B2 (en) 2007-01-11 2013-04-16 Acrux Dds Pty Ltd. Spreading implement
US8807861B2 (en) 2007-01-11 2014-08-19 Acrux Dds Pty Ltd. Spreading implement
US9289586B2 (en) 2007-01-11 2016-03-22 Acrux Dds Pty Ltd Spreading implement
CN110505818A (en) * 2017-03-30 2019-11-26 株式会社吉野工业所 Small containers
US11457716B2 (en) 2017-03-30 2022-10-04 Yoshino Kogyosho Co., Ltd. Compact container

Also Published As

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DE69027051D1 (en) 1996-06-20
US5379919A (en) 1995-01-10
EP0549050B1 (en) 1996-01-03
EP0410858A2 (en) 1991-01-30
JP2554314B2 (en) 1996-11-13
ATE132454T1 (en) 1996-01-15
CA2021856C (en) 1999-06-15
EP0410858B1 (en) 1994-04-06
ES2087439T3 (en) 1996-07-16
JPH07291331A (en) 1995-11-07
DE69007894D1 (en) 1994-05-11
ES2084268T3 (en) 1996-05-01
ES2083075T3 (en) 1996-04-01
US5301850A (en) 1994-04-12
DE69025774T2 (en) 1996-11-07
JPH0755715B2 (en) 1995-06-14
EP0549050A1 (en) 1993-06-30
ATE134961T1 (en) 1996-03-15
DE69027051T2 (en) 1997-01-16
ES2050976T3 (en) 1994-06-01
EP0410858A3 (en) 1991-05-08
JPH03148455A (en) 1991-06-25
DE69024668D1 (en) 1996-02-15
DE69025774D1 (en) 1996-04-11
ATE103874T1 (en) 1994-04-15
CA2021856A1 (en) 1991-01-26
US5413250A (en) 1995-05-09
ATE138034T1 (en) 1996-06-15
EP0540129A1 (en) 1993-05-05
EP0540129B1 (en) 1996-03-06
DE69007894T2 (en) 1994-11-03
US5388728A (en) 1995-02-14
DE69024668T2 (en) 1996-09-12
EP0549049B1 (en) 1996-05-15

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