EP0549050B1 - Ensemble de distribution d'au moins un produit fluide, notamment cosmétique ou pharmaceutique - Google Patents

Ensemble de distribution d'au moins un produit fluide, notamment cosmétique ou pharmaceutique Download PDF

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Publication number
EP0549050B1
EP0549050B1 EP92203941A EP92203941A EP0549050B1 EP 0549050 B1 EP0549050 B1 EP 0549050B1 EP 92203941 A EP92203941 A EP 92203941A EP 92203941 A EP92203941 A EP 92203941A EP 0549050 B1 EP0549050 B1 EP 0549050B1
Authority
EP
European Patent Office
Prior art keywords
seat
dispensing
product
unit according
elastic
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.)
Expired - Lifetime
Application number
EP92203941A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0549050A1 (fr
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/fr
Application filed by LOreal SA filed Critical LOreal SA
Publication of EP0549050A1 publication Critical patent/EP0549050A1/fr
Application granted granted Critical
Publication of EP0549050B1 publication Critical patent/EP0549050B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • 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
    • B05B11/1066—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 includes a device allowing the user to activate 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, can comprise several parts, either because it consists of several independent containers, or because 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 US-A-4,099,651 mentioned above.
  • 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 for the product (s) to be distributed, a distribution system 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 the dispensing ceases, characterized in that the shutter is constituted by an elastic piece, one of which he part is arranged opposite the opening of the channel and which, in this zone, departs from the seat by elasticity parallel to the direction of thrust of the product.
  • 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 seal is somewhat a function of the contact area between the shutter and the seat, the invention provides for choosing a contact area having a size sufficient for the seal 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 shutter can be of any material that can deform elastically. It is preferably made of natural, synthetic or thermoplastic elastomer.
  • elastomers which can be used, there may be mentioned, for example, styrene-butadiene copolymers, nitrile rubbers, polychloroprene or neoprene, EPDM rubber, polyurethanes, silicone rubber and ethylene-vinyl acetate copolymers.
  • the seat is preferably made of a rigid material.
  • the (or each) shutter (s) is subjected to the action of a constraint member tending to keep it (or them) applied (s) on the seat with which it (s) cooperates (s) to seal the closing contact.
  • the constraint member has the function of maintaining the shutter applied to the seat during storage and of increasing the pressure necessary to obtain the deformation of the shutter. This improves the tightness of the closure system. It can also have the function of facilitating the return of the shutter to its closed position. In the absence of a restraining member, it is often difficult to maintain the seal of the closure during the storage before and after the first use of the product to be dispensed.
  • the constraint member is, more particularly, constituted by a lug or bead of substantially elastic material holding the flexible part on the rigid element comprising the seat, so as to oppose the deformation of the shutter.
  • the end part of the distribution channel is preferably delimited on the one hand, by a part partially made of flexible material comprising the shutter and on the other hand, by a part comprising the seat of the shutter.
  • the channel can be formed in the room comprising the shutter and / or in the room comprising the seat.
  • the passage of the product from the channel to the closure system is by a slope, so as to facilitate the flow of the product, avoiding a threshold effect. This slope is advantageously located in the seat.
  • the channel can also be delimited by an area where the part comprising the shutter and the part comprising the seat are assembled in a sealed manner, for example by gluing or using a weld bead.
  • the elastic part constituting the shutter, advantageously forms part of a toroid disposed externally around the dispensing head.
  • the torus can go all the way around the dispensing head or can be interrupted and include at each end an anchorage in the part comprising the seat.
  • the piece of elastic material includes a product supply channel. It is also possible to provide a channel having the same function in the rigid seat, opposite the piece of elastic material.
  • the cross section of the elastic torus can have various shapes: circular, elliptical, triangular or the like.
  • the constraint organ is advantageously consisting of a lug capable of being inserted in a corresponding housing of the part comprising a rigid seat, this lug being arranged on the side opposite to the product supply channel.
  • the closure system according to the invention can be used in many types of dispensing head.
  • Figures 1 to 3 show dispensing heads according to the invention in which the shutter is an elastic piece disposed vis-à-vis the outlet of the distribution channel and which departs from the seat parallel to the thrust of the liquid to distribute.
  • FIG. 1 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.
  • a groove 2542 having in section the shape of a segment of a 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, the upper edge of which 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 system 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 extends 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 in a sealed manner on the surface of the rim of the wall 2546.
  • the cover 2506 is fixed on 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.
  • a product supply channel 2509 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.
  • 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 the space E.
  • This depression causes the opening of the valve 2513, the lug 2508 deviating by bending from the edge of the partition 2546.
  • the product contained in the bag 2502 is sucked into the space E by the conduit 2544 and the notch 2545.
  • the dispensing head is ready for a new distribution of the product.
  • FIG. 3 represents a distribution head 2403 with lateral outlet.
  • the distribution head 2403 consists of a piece 2404 comprising the plastic seat 2442 pierced with a distribution channel 2441 bent at a right angle which opens in an annular groove 2442 whose section has the shape of a portion of a circle .
  • a toric piece of flexible material 2405 which goes around the dispensing head 2403.
  • the toric piece 2405 forms a shutter and the groove 2442 forms a seat.
  • the toric piece 2405 Opposite the outlet of the distribution channel 2441 the toric piece 2405 is hollowed out by a supply channel 2451 which communicates with the distribution channel and has a shape such that it can direct the flow of dispensed product upwards (in FIG. 3).
  • a supply channel 2451 which communicates with the distribution channel and has a shape such that it can direct the flow of dispensed product upwards (in FIG. 3).
  • the torus 2405 is provided with a lug 2452 which fits into a corresponding groove in the part 2404 and which constitutes the constraint member.
  • the dispensing head 2403 is shown in the rest position, the toric piece 2405 being fitted into the groove 2442 so that the supply channel 2451 is closed.

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)
  • Peptides Or Proteins (AREA)
  • Lift Valve (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
EP92203941A 1989-07-25 1990-07-20 Ensemble de distribution d'au moins un produit fluide, notamment cosmétique ou pharmaceutique Expired - Lifetime EP0549050B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
FR8910000 1989-07-25
FR898910000A FR2650255B1 (fr) 1989-07-25 1989-07-25 Ensemble de distribution d'un ou plusieurs produit(s) sous forme de creme, de liquide ou de poudre, notamment de produits cosmetiques
EP90400269 1990-02-01
EP90400269 1990-02-01
EP90402098A EP0410858B1 (fr) 1989-07-25 1990-07-20 Ensemble de distribution d'au moins un produit fluide, notamment cosmétique ou pharmaceutique

Related Parent Applications (1)

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

Publications (2)

Publication Number Publication Date
EP0549050A1 EP0549050A1 (fr) 1993-06-30
EP0549050B1 true EP0549050B1 (fr) 1996-01-03

Family

ID=26127041

Family Applications (4)

Application Number Title Priority Date Filing Date
EP92203941A Expired - Lifetime EP0549050B1 (fr) 1989-07-25 1990-07-20 Ensemble de distribution d'au moins un produit fluide, notamment cosmétique ou pharmaceutique
EP92203940A Expired - Lifetime EP0549049B1 (fr) 1989-07-25 1990-07-20 Ensemble de distribution d'au moins un produit fluide
EP92203939A Expired - Lifetime EP0540129B1 (fr) 1989-07-25 1990-07-20 Ensemble de distribution de produit fluide, en particulier cosmétique ou pharmaceutique
EP90402098A Expired - Lifetime EP0410858B1 (fr) 1989-07-25 1990-07-20 Ensemble de distribution d'au moins un produit fluide, notamment cosmétique ou pharmaceutique

Family Applications After (3)

Application Number Title Priority Date Filing Date
EP92203940A Expired - Lifetime EP0549049B1 (fr) 1989-07-25 1990-07-20 Ensemble de distribution d'au moins un produit fluide
EP92203939A Expired - Lifetime EP0540129B1 (fr) 1989-07-25 1990-07-20 Ensemble de distribution de produit fluide, en particulier cosmétique ou pharmaceutique
EP90402098A Expired - Lifetime EP0410858B1 (fr) 1989-07-25 1990-07-20 Ensemble de distribution d'au moins un produit fluide, notamment cosmétique ou pharmaceutique

Country Status (7)

Country Link
US (4) US5301850A (es)
EP (4) EP0549050B1 (es)
JP (2) JPH0755715B2 (es)
AT (4) ATE132454T1 (es)
CA (1) CA2021856C (es)
DE (4) DE69024668T2 (es)
ES (4) ES2087439T3 (es)

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Also Published As

Publication number Publication date
DE69024668D1 (de) 1996-02-15
ATE132454T1 (de) 1996-01-15
ATE138034T1 (de) 1996-06-15
ATE134961T1 (de) 1996-03-15
DE69025774D1 (de) 1996-04-11
US5388728A (en) 1995-02-14
ES2050976T3 (es) 1994-06-01
DE69027051D1 (de) 1996-06-20
DE69007894T2 (de) 1994-11-03
EP0549049B1 (fr) 1996-05-15
CA2021856C (fr) 1999-06-15
US5413250A (en) 1995-05-09
EP0410858A2 (fr) 1991-01-30
US5379919A (en) 1995-01-10
ES2083075T3 (es) 1996-04-01
DE69027051T2 (de) 1997-01-16
EP0410858A3 (en) 1991-05-08
JPH03148455A (ja) 1991-06-25
EP0410858B1 (fr) 1994-04-06
CA2021856A1 (fr) 1991-01-26
ES2084268T3 (es) 1996-05-01
ES2087439T3 (es) 1996-07-16
ATE103874T1 (de) 1994-04-15
EP0549049A1 (fr) 1993-06-30
DE69024668T2 (de) 1996-09-12
JPH07291331A (ja) 1995-11-07
EP0540129A1 (fr) 1993-05-05
EP0549050A1 (fr) 1993-06-30
US5301850A (en) 1994-04-12
DE69007894D1 (de) 1994-05-11
DE69025774T2 (de) 1996-11-07
JP2554314B2 (ja) 1996-11-13
EP0540129B1 (fr) 1996-03-06
JPH0755715B2 (ja) 1995-06-14

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