EP2585387B1 - Valve de dosage pour flacon sous pression - Google Patents

Valve de dosage pour flacon sous pression Download PDF

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Publication number
EP2585387B1
EP2585387B1 EP11740876.5A EP11740876A EP2585387B1 EP 2585387 B1 EP2585387 B1 EP 2585387B1 EP 11740876 A EP11740876 A EP 11740876A EP 2585387 B1 EP2585387 B1 EP 2585387B1
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EP
European Patent Office
Prior art keywords
valve
stem
wall
metering
channel
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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.)
Active
Application number
EP11740876.5A
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German (de)
English (en)
French (fr)
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EP2585387A1 (fr
Inventor
Hervé BODET
Eric Gaillard
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Lindal France SAS
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Lindal France SAS
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Classifications

    • 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
    • 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
    • B65D83/42—Filling or charging means
    • B65D83/425—Delivery valves permitting filling or charging
    • 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
    • B65D83/546—Metering valves ; Metering valve assemblies the metering occurring at least partially in the actuating means
    • 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
    • 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
    • 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
    • B65D83/68—Dispensing two or more contents, e.g. sequential dispensing or simultaneous dispensing of two or more products without mixing them
    • 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
    • B65D83/48—Lift valves, e.g. operated by push action

Definitions

  • the invention relates to a dosing valve for a pressurized bottle according to the preamble of claim 1.
  • the metering valve of the invention is intended for a pressurized bottle.
  • Dosage devices for pressurized vial valves are commonly used to deliver a predetermined amount of a product.
  • the product to be dispensed is in a bottle containing a propellant.
  • the product is either in direct contact with the propellant or contained in a flexible bag immersed in the propellant gas.
  • the document EP 1 099 647 A1 proposes a metering device provided with a metering chamber located downstream of the valve, placed on the stem of the vial valve.
  • the metering chamber consists of a cylinder in which a piston slides.
  • the bottom of the cylinder is provided with an orifice which is in direct contact with the outlet of the valve stem.
  • the piston is also provided with an orifice which continues with an axial tube which slides in a security element in which there is a second valve.
  • the product also enters the tube that leads to the outlet valve of the security element.
  • the cylinder is returned to the rest position to close the valve of the bottle. It is now possible to actuate the valve of the safety element by pressing a traditional diffuser.
  • To move the cylinder downwards in order to fill the metering chamber it is necessary to rotate a ring in which two inclined guide grooves are formed and into which two peripheral projections of the cylinder penetrate.
  • the projections are in the upper part of the grooves of the ring, the cylinder is in the up position and does not rest on the stem of the valve of the bottle.
  • a metering device for mounting in the opening of the neck of a container containing product to be dispensed.
  • the metering device is equipped with a valve comprising a metering chamber and a stem.
  • the metering chamber In a first position of the stem, the metering chamber is in contact with the interior of the container and fills with a given amount of product.
  • the metering chamber In a second position of the stem, the metering chamber is isolated from the interior of the container and is brought into contact with the outside, allowing the product contained inside to be expelled.
  • the metering chamber is delimited axially on one side by an annular valve seal and on the other by a chamber seal also annular.
  • the stem crosses the two joints.
  • first distribution channel arranged axially and open downwards and upwards by two radial openings. It comprises a second axial distribution channel, which has on the side facing the first channel a radial opening and the side of the free end of the stem an axial opening.
  • the stem In the rest position, maintained by a spring, the stem is positioned so that the upper opening of the first channel is located inside the metering chamber, between the two seals while the radial opening of the second channel. is closed by the valve seal.
  • the lower opening of the first channel opens into the vial. In this position, the metering chamber fills with the product contained in the container via the first channel as soon as the bottle is put upside down.
  • a metering device whose metering chamber is constituted by a recess closed by an elastic wall.
  • the recess has a hemispherical or diabolo shape.
  • the elastic wall bathes is subjected to the pressure prevailing in the pressure bottle. As soon as metering chamber is brought into contact with the outside, the elastic wall is pushed back inside the recess causing the expulsion of its contents.
  • a metering device to be mounted on the valve body, inside the vial.
  • the device is provided with a metering chamber which opens into the valve body.
  • To make the bottle ready for use fill the container with the desired liquid, crimp the valve and introduce the gas through the outlet passage.
  • An opening is provided in the tube connecting the metering chamber to the valve body. This opening is surrounded by an elastic sleeve which expands under the effect of pressure and thus allows the gas to escape inside the container.
  • the object of the invention is to develop a metering device for a pressurized bottle valve which, although equipped with a metering chamber, can be filled via the valve.
  • Another object of the invention is to have the possibility of taking not only a dose defined by the dosing chamber but also a dose different from that imposed by the dosing chamber without the need to actuate several times the valve.
  • a third objective is to allow the same valve to be used for head-up vials and head-down vials.
  • valve can be moved beyond the open position in a third position called short-circuited position, a third passage, said short-circuit passage, being provided to contact the inside of the bottle and the outside of the valve, short-circuit closure means being provided to close the short-circuit passage when the valve is in the closed position or in the open position.
  • short-circuited position it is possible to take a larger quantity of product than that imposed by the volume of the dosing chamber. Similarly, it is possible to fill the bottle via this passage of short circuit.
  • the inlet sealing means and / or the outlet sealing means are in the closed position when the valve is in the short-circuited position if the short-circuit passage does not pass through at least one part. the entrance passage and / or the exit passage. Similarly, it is preferable that the short circuit passage contacts the inside of the bottle and the outside of the valve without passing through the metering chamber.
  • inlet sealing means and the outlet sealing means are independent of one another.
  • the inlet passage is constituted by at least one hole made in the wall of the valve body, in an area in contact with the inside of the bottle or pocket, an orifice made in a wall located inside the valve body and an orifice made in the wall of the metering chamber and in that the inlet sealing means are constituted by the lower end of the valve having the shape a cylindrical post whose radial section corresponds to the internal dimensions of the wall opening so that, when the post penetrates into this opening, it closes it hermetically, the wall preferably having the shape of a flange ending funnel-shaped towards the dosing chamber.
  • sealing means preferably an O-ring
  • O-ring a sealing means
  • the outlet passage is preferably constituted by an orifice made in a wall of the metering chamber, an orifice made in a wall located inside the valve body, a lower central channel and an upper central channel made in the valve. and separated from each other by a barrier, at least one orifice being made in the wall of the valve bringing the inside of the upper central channel into contact with the outside of the valve and at least one orifice being made in the wall of the valve contacting the interior of the lower central channel with the outside of the valve, a contacting passage being provided for bringing the orifice or openings into contact with the orifice or openings, and in that the outlet sealing means are constituted by a chamber seal constituted by an annular wall inside which the valve can slide, the inner face of the chamber seal having at least one groove annular geometry the height of which is at least equal to the vertical distance separating the orifice (s) made in the upper central channel and the orifices made in the lower central channel, the orifices of the upper central channel and / or the
  • the metering chamber comprises a cylinder whose opposite end to the valve body, said lower, is closed by a radial wall, said lower, and the end facing the valve body, said upper, is closed by a radial wall, said upper, a piston being slidable within the cylinder between these two radial walls defining a dosing volume.
  • the upper radial wall of the metering chamber may be provided with an opening, the piston being able to slide between the two radial walls of the cylinder, a spring being provided between the lower radial wall of the metering chamber and the piston. to repel the latter, in the absence of other constraints, against the upper radial wall provided with the opening.
  • the cylinder forming the metering chamber on the one hand and its upper radial wall and / or its lower radial wall on the other hand constitute different parts which can be assembled or separated from each other, means being provided for fixing said wall on the cylinder.
  • the valve may consist of a first cylindrical wall, said upper, forming a first axial channel, said upper, and a second cylindrical wall forming a second axial channel, the two axial channels being isolated one of the another by a barrier, the upper channel being open at its upper end by a axial opening and the side of the barrier by at least one radial opening opening on the outer face of the valve, the lower channel being open at its lower end by an axial opening and the side of the barrier by at least one radial opening opening on the outer face of the valve, the valve preferably being provided with at least one annular abutment on its circumference to limit its movement within the valve body towards the outside or the inside.
  • valve body may be provided with a chamber seal disposed in the valve body so that in the closed position of the valve, the radial hole or holes in the upper channel of the valve are at the chamber seal. , closed by the latter, the annular abutment bearing sealingly against the chamber seal.
  • valve When the valve must allow short-circuiting of the metering chamber, it is preferable to provide the valve with a third cylindrical wall partially surrounding at least the first cylindrical wall and concentric with it, forming an annular channel, which annular channel is isolated from the other two and provided with an axial opening at its end said upper and at least one radial hole bringing into contact the inside of the annular channel and the outside of the valve.
  • valve body and the valve are then sized so that the valve can be moved beyond the open position into a so-called shorted position, and the valve body is provided with a valve seal placed opposite of the metering chamber relative to the chamber seal and positioned such that in the mounted state of the valve, the radial hole or holes of the annular channel are, in the closed position of the valve, outside the vial, in the open position of the valve, the radial hole or holes of the annular channel are located in front of the valve seal, closed by the latter, or outside the bottle, and that short-circuited position of the valve or the radial holes of the annular channel are located on the side of the opposite valve seal on the outer side.
  • At least one side channel may be provided on the outer face of the valve body, said side channel being provided with a first opening opening, in the assembled state, inside the bottle or the pocket, and a second opening opening into the valve body between the valve seal and the chamber seal.
  • the valve When the valve is provided with a flexible pouch, it is welded to the valve body by enclosing the first opening of the lateral channel (s) of the valve body so that the lateral channel (s) make contact with the inside of the valve body. the pocket and the inside of the valve body between the valve seal and the chamber seal.
  • the valve (1) is intended to be fixed on a rigid bottle, not shown, by means of fastening means such as a cup (2).
  • An outer seal (21,) is placed between the neck of the bottle and the cup (2) to ensure tightness.
  • the valve (1) is fixed on the dome (22) of the cup (2).
  • the valve generally comprises an inner bag (11) for separating the product from the propellant.
  • the valve body (9) consists of an upper portion (91) having the shape of a cylindrical ring which is intended to be fixed in the dome (22) of the cup (2).
  • An inner valve seal (5a) is placed between the end face of this upper portion (91) and the bottom of the dome (22) to provide sealing. This seal is improved thanks to the frustoconical shape of the front face of this upper part (91).
  • This upper ring (91) of the valve body (9) is extended by a substantially cylindrical main portion (92).
  • the main part (92) is traversed right through by an axial channel (95).
  • This channel is divided into an upper section and a lower section separated by an inwardly directed radial collar (98) provided with a central opening.
  • the upper section is provided with two sets of radial ribs directed towards the center of the axial channel (95).
  • the first set of radial ribs (96) form firstly, in its upper part, a stop for a second internal seal, said chamber seal (5b) described below, and secondly a guide for the sliding of the stem (4).
  • the second set of radial ribs (97) further forms a stop for a shoulder of the stem (4).
  • the first set of ribs (96) is located above the second set (97). The product can circulate between the ribs.
  • the free ends directed towards the center of the ribs of the first set (96) are further away from the central axis of the valve body than the free ends of the ribs of the second set (97).
  • Two radial orifices (99) are formed in the wall of the main element (92), above the flange (98) located inside the valve body. This collar (98) continues with a funnel portion (981) narrowing downward.
  • the outer face of the valve body (9) has two radial fins (93). These fins have, in the radial plane of the valve body, a V-shaped section, the wings of the V resting more or less tangentially on the cylindrical portion of the main element (92). These two fins (93) are arranged opposite to each other and are hollow.
  • a side channel (931) is thus formed inside each fin (93) open in its lower part (opposite to the upper crown) and closed on the top.
  • Each channel (931) is provided in its upper part with an orifice (94) which opens into the upper section of the axial channel (95) slightly below the upper ring (91), but above the seat for the seal internal chamber (5b). The orifices (94) thus make contact with each channel (931) located inside the fins and the space located inside the upper ring (91).
  • the flexible bag (11) is fixed, for example by welding, on the outer face of the main part (92).
  • the pocket (11) is closed on all sides and can communicate with the outside only through the valve. With this pocket, it is possible to separate the product to diffuse propellant gas located outside thereof. However, it would be quite possible to give up this pocket.
  • the stem (4) has an essentially cylindrical outer shape and has a first cylindrical wall (41) forming an upper central channel (42) open at its upper end by an axial opening and a second cylindrical wall (44), forming a central channel lower (442) open at its lower end by an axial opening.
  • the two central channels (42, 442) are isolated from each other by a barrier (43).
  • the second cylindrical wall forms a cylindrical post (44).
  • the upper part of the outer face of the pin, that is to say the side of the barrier (43) has a circular shoulder (441).
  • the inner diameter of the narrow portion of the funnel (981) corresponds to the outer diameter of the post (44) of the stem (4).
  • a first set of two radial holes (45) is made in the first wall (41) of the stem (4), near the lower end of the central channel (42). These first radial holes (45) thus bring into contact the interior of the central channel (42) and the outer face of the stem (4).
  • the second cylindrical wall forming the pin (44) is open in its upper part, near the barrier (43), by a second set of two radial holes (443). These two radial holes open above the shoulder (441)
  • the stem (4) is further provided with a third cylindrical wall (46) concentric with the first (41) surrounding it so as to form an annular channel (47) concentric with the upper central channel (42).
  • This annular channel (47) is open at its upper end by an axial opening and closed downwards. Its length is such that the first radial holes (45) do not pass through it.
  • a third set of two radial holes (48) passes through the third cylindrical wall (46) so as to contact the interior of the annular channel (47) and the outside of the stem (4).
  • the holes (48) of this third game open above the holes (45, 443) of the first and second sets.
  • the stem (4) is provided with more than two circular stops (49a, 49b) located on its periphery.
  • the outer diameter of the first stop (49a) substantially corresponds to the diameter of the cylinder formed by the inner ends of the first portion of the ribs (96) of the axial channel (95) of the valve body (9).
  • the outer diameter of the second stop (49b) substantially corresponds to the inner diameter of the spacer (3).
  • the first stop (49a) is below the second (49b).
  • the stem In the mounted state, the stem is in the valve body within the axial channel (95) in which it can move.
  • the movement of the stem is limited between two extreme positions, the high or closed position and the low position or shorting position. Downwards, that is to say in the short-circuiting position, the movement is limited by the first stop (49a) which bears on the upper part of the second set of ribs (97) while upwards , that is to say in the closed position, the movement is limited by the second stop (49b) which abuts against the internal valve seal (5a) located in the dome (22) of the cup (2) . In this position, the movement is also limited by the first stop (49a) which bears on the internal chamber seal (5b).
  • the spacer (3) is formed by a hollow cylinder provided in its upper part with radial ribs (31) directed outwards.
  • a metering chamber (7) is fixed by suitable means on the valve body (9), preferably at the lower section.
  • the dosing chamber is consisting essentially of a cover (71) and a bottom (72) within which a piston (73) slides. This piston is subjected to the pressure of a spring (74) (which only the end turns are shown) which tends, in the absence of other effort, to push against the cover (71).
  • the lid (71) of the metering chamber consists essentially of a radial wall (711) provided with a central opening (712) and two cylindrical walls (713, 714).
  • the first cylindrical wall (713) extends downwardly the radial wall (711).
  • the second cylindrical wall (714), concentric with the first, extends upwardly around the central opening (712) of the radial wall (711).
  • the upper end of the second cylindrical wall (714) abuts against the underside of the funnel portion (981) of the valve body, preferably by interposing an O-ring (717) or all other suitable sealing means.
  • a third cylindrical wall (715) concentric with the first two and surrounding the second is provided to receive the fixing means of the chamber (7) on the valve, preferably on the lower end of the valve body.
  • the fastening means consist on the one hand of two radial tenons in an arc of circle placed on the outer face of the valve body (9), at its lower end, and two radial shoulders (718 ) directed towards the center and placed at the upper end of the inner face of the third cylindrical wall (715).
  • the two lugs of the valve body are fitted behind the two shoulders (718) of the third radial wall of the lid of the metering chamber.
  • the seal is reinforced by the presence of the O-ring (717).
  • the bottom (72) of the metering chamber is constituted by a cylindrical wall (721) closed at the bottom by a radial wall (723).
  • the inside diameter of the cylindrical wall (721) of the bottom (72) substantially corresponds to the outside diameter of the first cylindrical wall (713) of the cover (71).
  • These two elements of the metering chamber can be connected together by any appropriate means. In the example presented here, they are connected by means of four quadrants (723) regularly distributed on the periphery of the cylindrical wall (721) of the bottom (72) and as many shoulders (716). ) made in the first cylindrical wall (713) of the cover (71) and behind which the tenons (723) are interlocked. It goes without saying that it is also possible for the lower radial wall of the metering chamber to be separated from the rest of the metering chamber.
  • the piston (73) consists essentially of a solid radial wall (731) (thus without passage opening unlike the valve of EP 1 099 647 A1 ), fixed on a cylindrical ring (732), the spring (74) penetrating inside this cylindrical ring to bear on the lower face of the radial wall, or in the case presented here, on radial ribs (733). ) shorter than the cylindrical ring (732) and extending from the radial wall.
  • a shoulder (734) formed on the outer face of the cylindrical ring (732) seals between the piston (73) and the inner face of the cylindrical wall (721) of the bottom (72) of the metering chamber. The air contained inside the bottom (72) below the piston (73) is compressed when the chamber fills.
  • the ring-shaped valve seal (5a) is located in the bottom of the dome, between the latter and the top face of the valve body.
  • the chamber seal (5b) is placed inside the axial channel (95) of the valve body, resting on the upper face of the ribs of the first set (96). It is held in this position by the spacer (3).
  • the chamber seal (5b) has an annular shape. Its outside diameter corresponds to the inside diameter of the axial channel (95) above the first set of ribs (96). Its inside diameter corresponds to the outer diameter of the stem (4) at the first radial holes (45) and the second radial holes (443).
  • the chamber seal (5b) On its inner face, has two parallel radial grooves (51b, 52b) located one above the other.
  • the height of the lower groove (51b) is greater than or equal to the axial distance between the first radial holes (45) and the second radial holes (443) of the stem. In practice, it would be possible to give up the second radial groove (52b) which plays no role. Its presence is justified only for reasons of simplification of the assembly of the valve: the part being symmetrical with respect to the radial median plane, it can be mounted in one direction or the other in the valve body.
  • the dosing chamber (7) fixed on the lower section of the valve body (9) is found from bottom to top.
  • the stem (4) is located inside the valve body (9), pushed up by a spring (8) which is supported on one side on the shoulder (441) of the stem (4) and on the other side on the upper face of the flange (98).
  • the chamber seal (5b) is locked inside the axial channel (95) between the top of the ribs of the first set (96) and the spacer (3) which is itself placed in the upper part of the channel axial (95).
  • the upper crown (91) of the valve body is fixed to the cup (2) for example by crimping by interposing the valve seal (5a) which surrounds the upper section of the stem (4). This seal ensures in particular the seal between the area below it and the area above it.
  • an inlet passage and an outlet passage there is provided in the valve an inlet passage and an outlet passage, means for shutter input and output closure means being provided respectively in the input path and the exit path to close these passages when necessary.
  • the inlet passage puts the inside of the bag, or the inside of the bottle if there is no bag, into contact with the dosing chamber, while the outlet passage contacts the interior of the metering chamber and the upper central channel (42) of the stem.
  • the inlet passage is constituted by the inlet ports (99) made in the valve body, the orifice formed by the funnel portion (981) of the flange (98) of the valve body and the second cylindrical wall (714) then the orifice (712) of the lid (71) of the metering chamber.
  • the entrance passage is clearly visible for example on the figure 3b , where it is indicated by an arrow.
  • the closing means of this inlet passage are constituted by the lower end tenon of the second cylindrical wall (44) of the stem which, when the stem (4) is sufficiently lowered, sealingly closes the opening the funnel portion (981) of the valve body and the O-ring (717). Closing of the inlet passage by the inlet sealing means is clearly visible on the Figures 4b and 5b .
  • the outlet passage is constituted by the orifice formed by the orifice (712) of the lid (71) of the metering chamber, the second cylindrical wall (714), the funnel portion (981) of the collar (98). of the valve body, the lower central channel (442) of the stem, the second set of radial holes (443), the first annular groove (51b) of the chamber seal (5b), the first set of radial holes (45) and the upper central channel (42).
  • the exit passage is clearly visible on the figure 4b where he is marked by an arrow.
  • the closure means of this outlet passage are constituted by the inner face of the cylindrical wall of the chamber seal (5b) which, as soon as the two sets of radial holes (45, 443) are no longer aligned with the first groove annular (51b), provides a sealed barrier between these two sets of holes, thereby closing the outlet passage.
  • the closing of the exit passage is clearly visible on the figures 3b and 5b .
  • the radial holes (48) of the third cylindrical wall (46) of the stem are located above the valve seal (5a), that is to say outside the valve.
  • the radial holes (45) located at the bottom of the upper central channel (42) are in front of the top groove (52b) of the chamber seal (5b) (or against the wall of the chamber seal which closes them if there is no second annular groove) while the second radial holes (443) are in front of the lower groove (51b).
  • the two sets of radial holes are thus isolated from each other and there is no communication between the lower central channel (442) and the upper central channel (42) of the stem (4).
  • the pin (44) of the stem penetrates into the orifice of the flange (98) but does not come into contact with the bottom of the funnel portion (981) and with the O-ring (717).
  • the passage between the inside of the pocket (11) and the metering chamber is cleared. This passage is made through the radial holes (99), said inlet ports, then the space between the funnel portion (981) of the flange (98) and the lower end of the post (44), and finally, the central orifice (712) of the lid of the metering chamber.
  • the product placed inside the pocket and compressed for example to about 8 bar by the gas located outside thereof enters through the orifices (99) in the axial channel (95), passes through the funnel portion (981) bypassing the end of the pin (44) and through the central opening (712) of the metering chamber lid (71) by pushing the piston (73) against the effect of the spring (74).
  • the product rises in the lower axial channel (442) of the stem and fills the lower section of the valve body. However, it is blocked in the valve body by the chamber seal (5b) and at the stem inside the lower groove (51b) of the chamber seal. The product can not leave the valve, but the dosing chamber is filled.
  • the valve When the valve is actuated, that is to say that a pressure is exerted on the summit part of the stem, the latter moves downwards. To empty the dosing chamber, it is planned to lower the stem in an intermediate position between the high position, closing, and the low position, short-circuiting.
  • the stem is lowered so that the radial holes (48) of the third cylindrical wall of the stem are again above the valve seal (5a).
  • the radial holes (45) located in the bottom of the upper central channel (42) of the stem, as well as the radial holes (443) located at the top of the channel central lower (442), are in front of the lower annular groove (51b): they are in communication.
  • the lower end of the pin (44) now penetrates into the funnel portion (981) of the collar and thus seals the central orifice of the collar.
  • the product contained in the pocket can penetrate into the side channels (931) of the fins (93) of the valve body and through their orifices (94) to enter the space located between the valve seal (5a) and the chamber seal (5b).
  • this space is hermetically sealed and the product contained therein can not leave it.
  • the radial holes (48) of the third cylindrical wall (46) of the stem pass below the valve seal (5a): they are in contact with the interior of the valve body.
  • the radial holes (45) face the lower groove (51b) of the chamber seal, while the radial holes (443) are at the first and second sets of ribs (96, 97).
  • the upper central channel (42) and the lower central channel (442) are thus again isolated from each other.
  • the post (44) penetrates even more into the funnel portion of the flange (98) maintaining the airtight closure of the central hole of the flange.
  • the inlet and outlet passages are closed and the dosing chamber is not only isolated from the pocket (11), but it is also isolated from the outside: it can not be filled or emptied .
  • the product contained in the bag (or in the bottle) escapes through the valve via the lateral channels of the fins. It is pressed into the side channels (931) of the fins (93), passes through the orifices (94) contacting the top of the channels (931) and the inside of the upper ring (91), enters the crown, passes between the ribs (31) of the spacer (3), through the holes (48) made in the third cylindrical wall (46) of the stem and out through the annular channel (47).
  • the short-circuiting position is not necessary, it is possible to give up the third cylindrical wall (46) of the stem as well as the lateral channels (931) of the valve body, even if the fins can be kept for facilitate the welding of the pocket (11).
  • the stem no longer moves while between the upper closing position and the intermediate opening position, which then becomes the second extreme position.
  • the pocket is not necessary either.
  • the valve can be used upside down (valve placed below the bottle). If on the other hand it should be used in normal position (valve above the bottle) it will be necessary to provide a dip tube connected to the radial openings (99) of the lower section of the valve body and the side channels (931) of the fins.
  • the radial holes (45, 443, 48, 99) are present in pairs. It would be quite possible to have one each time, or on the contrary more than two.
  • the metering valve of the invention in particular associated with a pocket (11) can be used in all positions.
  • the presence of the spring (74) constraining the piston (73) ensures a rapid and complete exit of the product from the metering chamber.

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)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
EP11740876.5A 2010-06-28 2011-07-26 Valve de dosage pour flacon sous pression Active EP2585387B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1055132A FR2961795A1 (fr) 2010-06-28 2010-06-28 Valve de dosage pour flacon sous pression
PCT/EP2011/062854 WO2012016887A1 (fr) 2010-06-28 2011-07-26 Valve de dosage pour flacon sous pression

Publications (2)

Publication Number Publication Date
EP2585387A1 EP2585387A1 (fr) 2013-05-01
EP2585387B1 true EP2585387B1 (fr) 2019-11-27

Family

ID=43569264

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11740876.5A Active EP2585387B1 (fr) 2010-06-28 2011-07-26 Valve de dosage pour flacon sous pression

Country Status (14)

Country Link
US (1) US20130092710A1 (ru)
EP (1) EP2585387B1 (ru)
JP (1) JP2013530897A (ru)
KR (1) KR20130064773A (ru)
CN (1) CN103003170A (ru)
AU (1) AU2011287709B2 (ru)
BR (1) BR112012033706A2 (ru)
CA (1) CA2801043A1 (ru)
ES (1) ES2768026T3 (ru)
FR (1) FR2961795A1 (ru)
MX (1) MX337260B (ru)
RU (1) RU2013103520A (ru)
WO (1) WO2012016887A1 (ru)
ZA (1) ZA201209161B (ru)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103052450A (zh) * 2010-08-16 2013-04-17 拜耳材料科技股份有限公司 分发模块
US9254954B2 (en) 2010-08-18 2016-02-09 Summit Packaging Systems, Inc. Metering valve
DK3207871T3 (da) * 2014-10-27 2021-10-11 Glutalor Medical Inc Dynamic blood glucose data acquiring device and host
JP2016141462A (ja) * 2015-02-04 2016-08-08 株式会社ダイゾー エアゾール容器
FR3062115B1 (fr) * 2017-01-25 2019-03-29 Gb Developpement Procede de fabrication d’un dispositif distributeur de produit
FR3071579B1 (fr) 2017-09-27 2019-09-27 Lindal France Tige de valve pour valve a deux voies
DE112018006448B4 (de) * 2017-12-19 2021-09-30 Precision Valve Corporation Dosierventil zur produktabgabe
WO2021013605A1 (fr) * 2019-07-24 2021-01-28 Lindal France Sas Coupelle de valve pour récipient sous pression

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1503684A (fr) * 1966-10-10 1967-12-01 Idees Perfectionnements aux appareils distributeurs de doses volumétriques définies par une capacité de volume variable
DE2920497C2 (de) * 1979-05-21 1983-03-10 Rhen Beteiligungs- und Finanzierungs-AG, Stein am Rhein Dosierventil
US6596260B1 (en) 1993-08-27 2003-07-22 Novartis Corporation Aerosol container and a method for storage and administration of a predetermined amount of a pharmaceutically active aerosol
US6039306A (en) * 1998-01-07 2000-03-21 Precision Valve Corporation Aerosol valve
US6273304B1 (en) 1999-11-10 2001-08-14 Toyo Aerosol Industry Co., Ltd. Subdividing apparatus for aerosol container
JP2002193364A (ja) * 2000-12-27 2002-07-10 Mitani Valve Co Ltd エアゾール容器用定量バルブ
JP2002332081A (ja) * 2001-05-10 2002-11-22 Bioactis:Kk ガス噴射弁及びガス注入に用いられる注入治具
FR2901255B1 (fr) * 2006-05-16 2010-12-10 Lindal France Valve a deux voies

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
CA2801043A1 (fr) 2012-02-09
AU2011287709B2 (en) 2013-12-05
US20130092710A1 (en) 2013-04-18
BR112012033706A2 (pt) 2016-11-22
KR20130064773A (ko) 2013-06-18
EP2585387A1 (fr) 2013-05-01
AU2011287709A1 (en) 2013-01-10
WO2012016887A8 (fr) 2012-12-27
WO2012016887A1 (fr) 2012-02-09
RU2013103520A (ru) 2014-08-10
ZA201209161B (en) 2013-07-31
CN103003170A (zh) 2013-03-27
ES2768026T3 (es) 2020-06-19
JP2013530897A (ja) 2013-08-01
FR2961795A1 (fr) 2011-12-30
MX337260B (es) 2016-02-22
MX2012014773A (es) 2014-02-27

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