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
  • B05B11/0005—Components or details
• • 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
  • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
  • B65D83/38—Details of the container body
• • 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
  • B05B11/1043—Sealing or attachment arrangements between pump and container
  • B05B11/1046—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container
  • B05B11/1047—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container the pump being preassembled as an independent unit before being mounted on the container
• • 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
  • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
  • B65D83/44—Valves specially adapted therefor; Regulating devices
  • B65D83/52—Valves specially adapted therefor; Regulating devices for metering
  • B65D83/54—Metering valves ; Metering valve assemblies

Definitions

• the present invention relates to a fluid dispenser device comprising a fastener member of a dispensing member on the neck of a container. More particularly, the present invention relates to a fixing cap for attaching a metering valve to the neck of a container with the interposition of a neck seal for sealing at the neck of the container.
• a typical fastener generally includes a receiving portion for fixedly receiving the dispensing member, a fastening portion for attachment to the neck of said container, and an "intermediate" portion which, after placement of the fastener ensures the compression of the neck seal on the upper edge of the neck of the container to ensure sealing.
• These typical fasteners which may be screw or snap rings, or crimpable caps, have a number of disadvantages. Particularly in the case of distributors containing propellants, the upper edge of the container generally defines a sharp edge.
• the present invention aims to provide a fastener that does not reproduce the aforementioned drawbacks.
• the present invention is intended to provide a fastener element that is simple and inexpensive to manufacture and assemble.
• the present invention also aims to provide such a fastener which limits the risk of malfunction of the neck seal during assembly.
• the present invention also aims to provide such a fastener which allows relatively high manufacturing tolerances.
• the present invention also aims to provide a fluid dispenser device that can be made and assembled at low cost, while ensuring a perfect seal.
• the present invention therefore relates to a fluid dispensing device, comprising a dispensing member, such as a pump or a valve, mounted on the neck of a container containing a product to be dispensed, with the interposition of a seal collar for sealing at said neck of the container, said dispensing member being mounted on said neck by means of a fastener, having a fixing portion for attaching to said container neck and a compression portion for compressing said neck seal on said neck of the container, said compression portion having at least one projecting profile adapted to exert stresses in said neck joint after assembly, wherein, after assembly, said container neck generates first stresses in said collar seal and said at least one protruding profile of the fastener element generates second stresses in said neck seal, said first contrai said neck of the container having a curved upper edge, said neck defining at its end an edge in contact with said neck joint, said at least one projecting profile being arranged radially outwardly; or within said edge when the fastener is assembled on the neck of the container, said
• said at least one projecting profile is a continuous projecting bead around said fixing element.
• the fastening element may comprise a plurality of projecting profiles distributed around said fastener element.
• said at least one projecting profile is produced by deformation of material, in particular by stamping, or by addition of material, in particular by welding and / or gluing.
• said fixing portion comprises means for crimping, snapping or screwing.
• said fixing element comprises a receiving part for receiving said dispensing member.
• said at least one projecting profile increases the contact surface between the neck seal and the neck of the receptacle and / or increases the contact pressure between the neck seal and the neck of the receptacle and / or increases the contact pressure between the neck seal and the fastener.
• the dispensing member is a metering valve and the fixing element is a crimping capsule, preferably metal, which is attached to the neck by crimping.
• FIG. 1 is a diagrammatic sectional view of a fluid product dispensing device with a fixing element produced according to the prior art
• FIG. 2 is a diagrammatic sectional view showing in detail the stresses exerted by the neck of the receptacle on the neck seal after assembly of the fastening element according to the prior art
• FIG. 3 is a view similar to that of FIG. 2, with a fastening element made according to an advantageous embodiment of the present invention
• FIG. 4 is a schematic sectional view of a fastener according to an advantageous embodiment of the present invention.
• a fixing element made in the form of a capsule for fixing a metering valve on a container neck containing a product and a propellant gas, in particular an HFA gas, but It is understood that the present invention applies to all types of fastening elements (ring or capsule) of any dispensing member (pump, metering valve or non-metering valve) on a container neck containing any fluid product ( liquid, powdery or pasty) with or without propellant.
• the dispensing device comprises a dispensing member, such as a metering valve 20, which is assembled on the neck 31 of a receptacle 30, by means of a fastening element 10, in particular a crimpable capsule.
• the metering valve 20 may be arbitrary and will therefore not be described in more detail below.
• This metering valve may include in particular a valve body in which slides a valve.
• This valve body is advantageously fixed in a receiving part 1 1 of the fastening element 10 which can be provided for receiving and fixedly hold the valve body, in particular by snapping or crimping.
• the fastening element 10 also comprises a fastening portion 12 for attaching to said neck 31 of the container 30, said fastening portion 12 may comprise crimping, latching or screwing means or any other known means. In the example shown in Figure 1, it is crimping means.
• the fastening element 10 further comprises a compression part, preferably formed by a radial wall 13 connecting the receiving part 1 1 to the fixing part 12, and which is intended after assembly to compress the neck seal 1 on the neck 31 of the container to seal at this location.
• Figures 1 and 2 show a conventional container neck 30 for devices containing a propellant gas, with the curved upper edge defining at its end an edge 32 in contact with said neck seal.
• This edge 32 which can be sharp, generates first high stresses in the neck joint during and after assembly, which can cause a risk of cutting the neck seal 1.
• the opposite edge of the seal of the neck seal 1 is in contact with a radial wall 13 of the fixing element 10, which generates only small stresses on the seal, thus generating a risk of leakage.
• this seal may be cut by the edge 32 of the neck 31. If it is desired to avoid this risk of cutting the neck seal by the edge 32, it is necessary to limit the bearing force of the fastening element 10 on the neck joint, with the consequent risk of leakage at the level of the neck. the plane radial wall 13 of the capsule.
• said compression part, in particular the radial wall 13, of the fastening element 10 comprises at least one projecting profile 17 adapted to exert second stresses in said neck seal 1 after assembly of the fastener element.
• said at least one projecting profile 17 projects axially out of said radial wall 13, towards said neck seal 1.
• said at least one projecting profile may be formed by a continuous projecting bead all around said radial wall 13 of said fastening element 10.
• a plurality of projecting profiles distributed around said fastener element is also conceivable.
• said neck 31 of the container 30 After assembly of the fastening element 10, said neck 31 of the container 30 generates first stresses in said neck joint 1 and said at least one projecting profile 17 of the fastening element 10 generates seconds constraints in said neck joint 1, said first stresses being approximately axially opposite to said second stresses.
• Dispensing devices typically comprise a container whose neck 31 has a curved upper edge, generally defining at its end an edge 32 in contact with said neck seal, as shown in FIGS. 3.
• this configuration presents a risk of cutting the neck seal during assembly. With the present invention, this risk is greatly reduced or even eliminated.
• Said at least one projecting profile 17 is disposed radially outside the upper edge of the neck 31, in particular of said edge 32, when the fastening element 10 is assembled, said first and second stresses then being approximately axially opposite but radially shifted, so that said first and second stresses equilibrate at least partially, decreasing strongly see eliminating the risk of cutting the seal.
• This balancing is schematically represented in FIG. 3.
• said at least one projecting profile 17 advantageously increases the contact area between the neck seal 1 and the neck 31 of the container 30, by pushing said neck seal 1 against said neck 31.
• the presence of said at least one projecting profile 17 also increases the contact pressure between the neck seal 1 and the neck 31 of the container 30 on the one hand and between the neck seal 1 and the fastening element 10 on the other hand , substantially improving the tightness of the assembly.
• the present invention also provides much better manufacturing and assembly tolerances, making the assembly step of the fastener 10 much less difficult to control from an industrial point of view.
• the salient profile (s) 17 could also be arranged radially inside the edge 32 of the neck 31.
• the manufacture of the fastener 10 as shown in Figures 3 and 4 is particularly simple.
• a metal capsule it can first be carried out in a conventional manner with a plane radial wall 13, and then this radial wall can be deformed, for example by deformation of material such as stamping. to form the protruding profile or profiles 17.
• this radial wall 13 can be deformed, for example by deformation of material such as stamping.
• protruding profile or profiles 17 it is also conceivable to keep the outer surface of the radial wall 13 plane, and to form protruding profiles 17, for example ribs, only on the inner surface of this radial wall 13, particularly for do not increase the elasticity of the capsule.
• said at least one projecting profile 17 may also be made by adding material, for example by welding and / or gluing.
• said at least one projecting profile 17, instead of being prefabricated in said fastener element 10 before assembly, could be made at the time of assembly of the fastening element 10 on the neck 31 of the tank 30.

Landscapes

• Chemical & Material Sciences (AREA)
• Dispersion Chemistry (AREA)
• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
• Closures For Containers (AREA)

Applications Claiming Priority (2)

Publications (2)

Family

ID=47191940

Family Applications (1)

Country Status (5)

Families Citing this family (5)

Family Cites Families (21)

• 2011
  • 2011-10-05 FR FR1158971A patent/FR2981054B1/fr not_active Expired - Fee Related
• 2012
  • 2012-10-02 CN CN201280056055.3A patent/CN104010948B/zh not_active Expired - Fee Related
  • 2012-10-02 WO PCT/FR2012/052225 patent/WO2013050693A1/fr active Application Filing
  • 2012-10-02 EP EP12787757.9A patent/EP2763913B1/de active Active
  • 2012-10-02 US US14/349,598 patent/US10518278B2/en not_active Expired - Fee Related

Non-Patent Citations (1)

Also Published As

Similar Documents

Legal Events