EP3802360B1 - Ventilkörper zur montage auf einem becher - Google Patents

Ventilkörper zur montage auf einem becher Download PDF

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Publication number
EP3802360B1
EP3802360B1 EP19726413.8A EP19726413A EP3802360B1 EP 3802360 B1 EP3802360 B1 EP 3802360B1 EP 19726413 A EP19726413 A EP 19726413A EP 3802360 B1 EP3802360 B1 EP 3802360B1
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EP
European Patent Office
Prior art keywords
wall
valve
cup
valve body
bearing
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.)
Active
Application number
EP19726413.8A
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English (en)
French (fr)
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EP3802360C0 (de
EP3802360A1 (de
Inventor
Hervé BODET
Eric Gaillard
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Lindal France SAS
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Lindal France SAS
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Publication of EP3802360A1 publication Critical patent/EP3802360A1/de
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Publication of EP3802360C0 publication Critical patent/EP3802360C0/de
Publication of EP3802360B1 publication Critical patent/EP3802360B1/de
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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
    • B65D83/44—Valves specially adapted therefor; Regulating devices
    • 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
    • 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
    • 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
    • B65D83/32—Dip-tubes

Definitions

  • the invention relates to a valve body according to the preamble of claim 1.
  • the assembly process is complex and combines several successive operations, involving the creation of sub-assemblies and requiring on-line control tests to guarantee the tightness of the assembled valve.
  • One of the last phases of the assembly is the crimping operation which consists of fitting and sealing the sub-assembly consisting of the one-piece valve body + stem or seat + spring + internal gasket on the cup sub-assembly + outer seal.
  • the stem is placed in the valve body, which itself is placed under the cup, so that the stem passes through a central opening of the cup projecting above the outer face of the cup.
  • the valve body is fixed to the cup by expanding the cup on the exterior face of the valve body.
  • the cup is itself attached to the housing of the aerosol generator by crimping or expansion.
  • the object of the invention is to propose a valve body and a valve which are easy to manufacture and to assemble and which can be used both with commercial metal cups and with cups made of polymer material.
  • valve body With such a valve body, it is possible to dispense with expanding the cup on the valve body, which considerably reduces the variations in dimensions by eliminating the problem associated with wear of the crimping pliers.
  • the orifice of one of the two closure walls is preferably sized to allow an outlet rod for the product contained in the aerosol generator to pass, a rod carried by a valve to be inserted at least partly into the valve body (therefore by a stem) or by a diffuser intended to actuate the valve, the orifice of the other of the two closure walls being sized to allow the product contained in the aerosol generator to enter the valve body.
  • a fixing stud may be provided around the orifice intended to let the product enter the valve body, on the external face of the corresponding closing wall in order to fix to the valve body a dip tube, an anti- sag or other similar device.
  • a first of the two parts of the valve body with a first tubular wall closed at one of its ends by a first of the two closing walls, a first support wall being formed on the external face of the first tubular wall.
  • the face of the first bearing wall opposite the first closing wall constitutes the first of the two bearing surfaces.
  • the second of the two parts of the valve body with the second of the two closing walls and, if necessary (in other words, if the whole of the tubular body is not placed on the other part ), a second tubular wall closed at one of its ends by said second closing wall.
  • a second support wall is formed at the periphery of the second closure wall or on the external face of the second tubular wall.
  • the face of the second support wall opposite the outer face of the second closing wall constitutes the second of the two support surfaces.
  • the means for fixing the first part consist of a first fixing surface formed on the external surface of the first tubular wall inside a projection, with respect to the main axis, of the first bearing surface.
  • said first fixing surface is formed on the edge of the first tubular wall opposite the first closure wall.
  • the means for fixing the second part can be constituted by a second fixing surface formed on the periphery of the second closing wall inside a projection, with respect to the main axis, of the second bearing surface.
  • the second fixing surface is formed on the second tubular wall, preferably on the edge of the second tubular wall opposite the second closure wall.
  • the two fixing surfaces are preferably of superimposable shapes, one of the two fixing surfaces being able to be provided with a welding allowance.
  • This solution is particularly well suited to fixing by welding or by gluing, in particular by ultrasonic welding.
  • the first tubular wall is sized to form the tubular body of the valve body, so that in the assembled state of the valve, the end of the first tubular wall opposite the first closing wall is in contact with the second closing wall of the other part, preferably with the interposition of a seal.
  • the first attachment surface is formed on the edge of the first tubular wall opposite the first closure wall
  • the second attachment surface is formed on the second closure wall, the second bearing surface being formed on the periphery of the second closure wall, the second part having no second tubular wall.
  • the first fixing surface is formed on the outer face of the first tubular wall, preferably on the first bearing wall, preferably in a groove formed on the first wall of bearing inside the first bearing surface
  • the second fixing surface is formed on the edge of the second tubular wall, the second bearing surface being formed on the periphery of the second closure wall or on the outer face of the second tubular wall.
  • first tubular wall and the second tubular wall have superimposable cross-sections and together constitute, in the assembled state of the valve, the tubular body of the valve body.
  • first fixing surface is constituted by the edge of the first tubular wall opposite the first closing wall
  • second fixing surface is constituted by the edge of the second tubular wall opposite the second wall of closing.
  • valve seal against the internal face of the closure wall provided with the dimensioned orifice to allow the product outlet stem located on the valve or on a diffuser to pass.
  • This valve gasket is then sized to ensure the seal between a valve placed in the valve body and the internal face of said closure wall as well as between the product outlet rod (from the stem or from the diffuser) and the hole in the closing wall. It is preferable that the valve gasket be overmolded.
  • cup seal between the cup and one of the bearing walls.
  • the bearing surface in contact with the cup seal is preferably provided with a sealing rib intended to be crushed against the cup seal in the assembled state of the valve.
  • the cup gasket can be sized to also provide sealing at an interface between the two parts of the valve body.
  • the cup seal may be a separate component, in which case it is preferable that the bearing wall considered be provided with a sealing rib intended to be crushed against the cup seal in the assembled state of the valve. He It is also possible to overmold the cup seal on the cup or on the bearing wall of one of the parts of the valve body.
  • the edge of the opening of the cup towards one of the faces of the cup is preferable to deform an annular neck, preferably by forming a flat annular edge, the edge of the neck resting against one of the bearing walls in the assembled state of the valve, preferably against the bearing wall against which the gasket is not interposed. cup.
  • the two parts are fixed to each other by enclosing the cup between them by irreversible fixing of their fixing surfaces to each other.
  • This fixing is preferably carried out by welding, possibly using a welding allowance provided on one of the fixing surfaces, in particular by ultrasonic welding.
  • valve body and more generally the valve of the invention can be used in all positions.
  • the valve is shown with the stem pointing upwards.
  • the references “top” / “bottom” or “upper” / “lower” have only a relative value in relation to the representations of the attached figures. It goes without saying that the valve can be used in all positions and that what is up in the position shown here will not necessarily be up in use.
  • the valve extends longitudinally with respect to a main axis (A), vertical in the representations of the attached figures.
  • the terms “radial”, “axial” and “transverse” refer to this main axis (A).
  • the latter constitutes a separation between the side of the valve intended to be placed inside the housing and the other side intended to be outside the housing.
  • inner and outer refer to elements located on the inner or outer side of the cup.
  • intermediate and outer refer to a particular component (exterior part or interior part) and define what is inside or outside of said component, regardless of whether it is a component located on the face interior or exterior of the cup.
  • the example presented here is a male-type valve with a stem as a valve, part of the stem of which protrudes from the valve.
  • the invention can also be applied to a valve of the female type with, as a valve, a seat located in the valve body and to be actuated by an external rod (generally that of a diffuser) penetrating into the valve.
  • the valve of the invention as presented here consists of a two-piece valve body (20, 30) in which is retained a stem (40), one end (411) of which projects from the valve body.
  • the valve body consists of an outer part (20) and an inner part (30). In the assembled position, the two parts (20, 30) of the valve body block the cup (10) between them, preferably with the interposition of a cup seal (71).
  • the inner part (30) of the valve body has an essentially tubular shape around the axis (A), here a cylindrical shape. It consists of a first cylindrical wall (31) partially closed on one side (lower side) by a first closing wall (32) which is preferably planar and radial. A first orifice (33) is made in the center of the first closure wall (32), through which the product to be extracted penetrates. A first bearing wall (34) annular is placed on the outer face of the first cylindrical wall (31), which first bearing wall (34) is symmetrical with respect to the axis (A) and makes the complete turn of the first cylindrical wall. The peripheral edge of its upper face, face facing the cup, constitutes a first bearing surface (341) annular for the cup.
  • the first support wall (34) is located at a distance from the first closure wall (32) and the first support surface (341) is radial.
  • An annular sealing rib (342) may be formed on the first surface support (341). This sealing rib (342) serves to improve the seal between a cup seal (71) and the interior part (30) of the valve body.
  • the upper face of the first bearing wall (34) has a groove. The bottom of the groove constitutes a first fixing surface (35) for welding the two parts (20, 30) of the valve body.
  • An extra thickness of material (351) can also be provided on the first fixing surface (35) to serve as an energy director during the ultrasonic welding of the two parts (20, 30) of the valve body.
  • the first fixing surface (35) is located inside a projection along the main axis (A) of the first bearing surface (341).
  • the first fixing surface (35) could however be in the extension of the first bearing surface (341), or even be offset upwards.
  • the internal face of the first cylindrical wall (31) may have, close to the first closing surface (32), guide shoulders (311) serving as a housing for the spring (50). In the example represented here, there are three shoulders distributed regularly and symmetrically with respect to the main axis (A).
  • one or more channels (312) can be provided in the first cylindrical wall (31), between the first closing wall (32) and the first support wall (34), to in contact the internal face and the external face of the first cylindrical wall (31).
  • a tenon (321) can be placed on the external face of the first closure wall (32), around the first orifice (33), to allow the attachment of a dip tube (60), an anti-sagging device handheld or other similar device.
  • the outer part (20) of the valve body also has an essentially tubular shape around the axis (A), here a cylindrical shape. It consists of a second cylindrical wall (21) open on one side (lower side) and partially closed on the opposite side (upper side) by a second closing wall (22) which is preferably planar and radial.
  • the edge of the second cylindrical wall (21) opposite the second closure wall (22) constitutes a second fixing surface (25) for welding the two parts (20, 30) of the valve body.
  • the transverse contour of this second attachment surface (25) is identical to the transverse contour of the first attachment surface (35) of the interior part, so that the two transverse contours are superimposable.
  • a second orifice (23) is made in the center of the second closure wall (22), through which the stem of the stem passes in the assembled state of the valve.
  • a second annular bearing wall (24) is placed on the external face of the second cylindrical wall (21), which second bearing wall (24) is symmetrical with respect to the axis (A) and makes the complete turn of the cylindrical wall. Its underside, directed towards the cup, constitutes a second bearing surface (241) for the cup.
  • the second support wall (24) is placed at a distance from the second fixing surface (25) and the second closure wall (22), and the second support surface (241) is radial.
  • the internal face of the second cylindrical wall (21) can be provided with retaining means to hold a valve seal (72), when the latter is not overmoulded, in particular during assembly of the valve.
  • These retaining means may be constituted by the edge of a cavity made in the internal face of the second cylindrical wall (21) close to the second closing wall (22). At this cavity, the inner face of the second cylindrical wall has a larger cross section than in the rest of the second cylindrical wall.
  • Another solution consists in providing a radial peripheral rib or a series of projections behind which the valve seal (72) can be placed and maintained in contact with the second closing wall (22).
  • an annular sealing rib (221) can be placed on the internal face of the second closure wall (22), around the second orifice (23), rib of sealing which rests on the valve seal (72).
  • the first cylindrical wall (31) of the inner part (30) is sized to be able to penetrate into the second cylindrical wall (21) of the outer part (20).
  • the outer diameter of the first cylindrical wall (31) is smaller than the inner diameter of the second cylindrical wall (21).
  • the height of this first cylindrical wall (31) is chosen such that its edge (313) opposite to the first closing wall (32) comes into sealing contact against the valve seal (72) placed against the second closing wall (22) when the valve is in the assembled state.
  • first fixing surface (35) on the inner part (30) in a groove set back from the first bearing surface (341), a guiding and centering effect of the second surface of the attachment (25) relative to the first attachment surface (35) when assembling the valve. This helps to facilitate assembly.
  • the stem (40) is a traditional stem. It consists of a cylindrical wall (41) open at its upper end (411) and closed at its lower end, forming a product outlet channel. One or more orifices (412) placed at the bottom of the outlet channel pass radially through the cylindrical wall to bring the internal face and the external face of said cylindrical wall (41) into contact.
  • the cylindrical wall (41) constitutes the outlet rod of the product.
  • This cylindrical wall is continued by a crown (42) of larger diameter having on its external face vertical channels or vertical ribs allowing the proceeds to bypass the crown.
  • the outer casing of this crown has a diameter slightly smaller than the inner diameter of the main cylindrical wall (31) of the inner part so that it can enter the latter while being guided.
  • the crown (42) On its upper annular face, the crown (42) is provided with a sealing rib (421) to seal with the valve gasket (72).
  • the crown is continued downwards by a guide pin (43) intended to cooperate with the spring (50).
  • the cup (10) can be a conventional cup. Generally, it is formed of a wall (11) provided with a central opening (12) and a peripheral rim (13) intended for its attachment to a casing. A housing seal (73) is placed on the inside face of the peripheral flange to provide a seal between the cup and the housing.
  • the housing gasket can be a separate component or, as in the examples shown here, it can be overmolded to the inside face of the cup.
  • the wall (11) is flat and radial around the opening (12) and straightens upwards at the level of the opening so as to form a neck (121). This neck serves in particular to stiffen the wall at the level of the flat and radial part.
  • valve body of the invention can be used with cups of any shape. Another example of a cup is shown in figure 7 .
  • the seals (71, 72, 73) can be added components, put in place during assembly of the valve. It is also possible that they are overmolded.
  • the valve gasket (72) can be molded onto the inner face of the closing wall (22) of the outer part, while leaving the orifice (23).
  • the cup seal (71) can be overmolded on the inside face of the cup (1), as shown in the figure 6b , or on one of the bearing surfaces (241, 341). If the seal is molded onto a bearing surface, it is possible to dispense with the sealing rib (342).
  • the housing seal (73) can be molded onto the peripheral rim (13) of the cup.
  • the valve is obtained as follows.
  • the valve seal (72) is placed in the bottom of the outer part (20), resting against the internal face of the second closing wall (22).
  • the stem (40) is then introduced by its upper end (411) into the second orifice (23) of the outer part (20) so that the crown (42) is in contact with its sealing rib (421) against the valve seal (72).
  • the spring (50) is placed on the guide pin (43) of the stem.
  • the cup (10) is threaded onto the outer part so that the edge of its opening (12) surrounds the part of the external face of the second cylindrical wall (21) located below the second bearing wall (24), the neck (121) resting against the second bearing surface (241).
  • the cup seal (71) if not overmolded, is placed on the cup.
  • the inner part (30) is then put in place by introducing the first cylindrical wall (31) into the second cylindrical wall (21) of the outer part (20).
  • the spring (50) then takes place between the shoulders (311) located at the bottom of the inner part (30) and presses against the internal face of the first closing wall (32), thus pushing the stem against the joint of valve (72).
  • the second fixing surface (25) located at the free end of the second cylindrical wall (21) of the outer part penetrates into the groove at the bottom of which the first fixing surface (35) is made.
  • the two parts (20, 30) of the valve body are then welded, for example by ultrasound, the extra thickness (351) of material serving as an energy director.
  • the two support surfaces (241, 341) are oriented according to the orientation of the cup at the level of the central opening (12).
  • the wall of the cup is flat and radial around the central opening and the neck: the two bearing surfaces are also flat and radial. If the wall of the cup is tilted around the opening, the bearing surfaces (241, 341) can also be similarly inclined. If the wall of the cup is quite rigid, it is also possible to dispense with the neck (121).
  • the valve shown here is a male type valve.
  • the valve consists of a stem (40) of which a tubular part (41) passes through the outer closure wall (22) via the second orifice (23) and protrudes outside the valve.
  • This tubular part constitutes a rod through which the product exits.
  • the valve body of the invention can also be used to form a female-type valve.
  • the stem (40) is replaced by a seat (sometimes also called a piston) which cooperates with the stem of a diffuser, the stem of the diffuser entering the valve through the second orifice (23) to press on the seat and open the valve.
  • the second orifice (23) is therefore always sized to allow a stem to pass, either the stem itself, or that of the diffuser, foreign to the valve.
  • the inner part (30) can be provided with a surface for welding a pocket and thus form a pocket valve.
  • the two support surfaces (241, 341) consist of continuous surfaces.
  • at least one of the two bearing surfaces may be discontinuous and formed of a succession of sections spaced from each other and distributed over the entire circumference of the outer face of the part in question. It is even possible to envisage the two bearing surfaces being discontinuous.
  • the cup seal is preferably molded onto one or the other of the two bearing surfaces.
  • the cup seal could be placed between the outer part (20) and the cup (10), rather than between the cup (10) and the inner part (30) as shown in the figures.
  • the neck (121) can be made so that it is directed towards the first bearing surface (341).
  • the space in which the stem is located is defined on the one hand by the internal face of the first closing wall (32) and the first cylindrical wall (31) of the internal part (30) , and on the other hand by the inner face of the second closure wall (22) of the outer part associated with the valve seal (72).
  • the first cylindrical wall (31) of the inner part in the second cylindrical wall (21) of the outer part so that these two parts partially overlap.
  • the second cylindrical wall (21) of the outer part must be resized so that its internal diameter is identical to that of the shortened first cylindrical wall (31) of the inner part.
  • the free end of the cylindrical wall (21, 31) bearing one of the fixing surfaces (25, 35) of one of the parts passes through the central opening (12) of the cup to enter in contact with the fixing surface (25, 35) of the other part.
  • the bearing wall (24, 34) of at least one of the two parts is located at a distance from the fixing surface (25, 35) of said part.
  • one of the two parts the outer part for example, has no cylindrical wall (21) and the support wall (24) is located in the extension of the closing wall (22 ), at its periphery.
  • the fixing surface is also placed on the bearing wall, radially more centrally than the first bearing surface.
  • valve seal is molded onto the inner face of the closure wall, the peripheral edge of this valve seal can play the role of centering means, especially since it has no function of sealing with the tubular wall of the other part, since the two are welded together.
  • Another solution consists in providing interlocking between the two parts, for example by making the fixing surfaces so that they are not radial as is the case in the example presented here, but frustoconical and of complementary shapes.
  • the cup can be made of aluminum, tinplate or a polymeric material such as polyethylene terephthalate (PET) or polyethylene naphthalate (PEN).
  • the two parts (20, 30) of the valve body are preferably made of polymer material, in particular POM, PA, PE, PP or PBT. Seals are made of neoprene, butyl, chlorobutyl, synthetic rubber (Buna ® ) or fluoroelastomer (Viton ® ) type elastomer. If they are overmolded on the cup or on the parts (20, 30) of the valve body, they are preferably made of thermoplastic elastomer (TPE) or thermoplastic polyurethane (TPU).
  • TPE thermoplastic elastomer
  • TPU thermoplastic polyurethane
  • the valve (stem (40) or seat) is for example made of POM, PA or PBT.
  • the spring is made of stainless steel or a polymeric material, such as polyetheretherketone
  • the valve can be used for all kinds of applications, in particular in the cosmetics, pharmaceutical, veterinary, food, technical products, household products, etc. fields.
  • the assembly of the valve is done by fitting then ultrasonic welding of the two parts forming the new valve body which thus imprison the cup. This approach leads to precise control of the assembly parameters and therefore to a reliable assembly in terms of sealing, stem height and valve actuation.
  • valve body no longer risks being deformed as is the case with crimping, which eliminates the risk of the stem getting stuck or requiring too much actuation force.
  • crimping there is also no longer any problem of ribs to be respected, nor any risk of cracking of the cup following its deformation due to the crimping in the opposite direction to the deformation due to the drawing of the cup.
  • the height of the stem (specifically, the protruding end of the stem), no longer depends on the crimping and the wear of the crimping pliers, but on the precision of the molding of the two parts, which is easier to master .
  • the new valve does include an additional component, namely the cup seal (71), but the fact that the cup and valve seals can be overmolded simplifies assembly operations. This overmolding of the gaskets, which no longer need to be fitted, contributes to saving time during the assembly operation, as well as to a gain in the reliability of the sealing of the valve, the gasket not risking no more struggling to position yourself or move around before the end of the assembly of the valve.

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  • 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)
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Claims (14)

  1. Ventilkörper zur Befestigung an einem mit einer Öffnung (12) versehenen Ventilteller (10), um ein Ventil für einen Aerosolgenerator zu bilden, wobei der Ventilkörper einen röhrenförmigen Körper umfasst, der an einem seiner Enden durch eine mit einer Öffnung versehene Verschlusswand geschlossen ist und sich entlang einer Hauptachse (A) erstreckt, wobei der Ventilkörper aus zwei Bestandteilen (20, 30), die vor dem Zusammenbau des Ventils getrennt sind, besteht, wobei einer (30) der beiden Bestandteile mit der Verschlusswand (32) und einem Teil oder der Gesamtheit des rohrförmigen Körpers (31) versehen ist und der andere (20) der beiden Bestandteile mit einer weiteren, mit einer weiteren Öffnung (23) versehenen, Verschlusswand (22) und dem Rest des rohrförmigen Körpers versehen ist, wobei jeder Bestandteil (20, 30) mit Befestigungsmitteln (25, 35) versehen ist, so dass im zusammengebauten Zustand des Ventils einer (20) der beiden Bestandteile auf einer Seite des Ventiltellers und der andere (30) der beiden Bestandteile auf der anderen Seite des Ventiltellers angeordnet ist, wobei ein Teil mindestens eines der beiden Bestandteile durch die Öffnung (12) des Ventiltellers hindurch verläuft, so dass er auf der anderen Seite des Ventiltellers hervorsteht, dadurch gekennzeichnet, dass jeder Bestandteil mit einer Stützfläche (241, 341) versehen ist und dass die beiden Bestandteile durch ihre Befestigungsmittel aneinander befestigt sind, und dabei zwischen ihren jeweiligen Stützflächen (241, 341) den Ventilteller an einem ringförmigen Abschnitt (121), der sich um die Öffnung (12) herum befindet, einspannen, wobei eine Ventiltellerdichtung (71) auf eine der Stützflächen (341) aufgespritzt sein kann.
  2. Ventilkörper nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die Öffnung (23) einer (22) der beiden Verschlusswände so bemessen ist, dass sie einen Austrittsschaft für das in der Aerosolpackung enthaltene Produkts durchlässt, wobei der Schaft von einem Ventil (40) zum zumindest teilweisen Einsetzen in den Ventilkörper oder von einem Diffusor getragen wird, der dazu bestimmt ist, das Ventil zu betätigen, wobei die Öffnung (33) der anderen (32) der beiden Verschlusswände so bemessen ist, dass sie das in der Aerosolgenerator enthaltene Produkt in den Ventilkörper eintreten lässt, wobei ein Befestigungszapfen (321) um die Öffnung (33) herum auf der Außenseite der anderen Verschlusswand (32) vorgesehen sein kann, um am Ventilkörper ein Tauchrohr (60), Mittel zum Schutz vor dem Zusammensinken oder jede andere ähnliche Vorrichtung zu befestigen.
  3. Ventilkörper nach dem vorhergehenden Anspruch, dadurch gekennzeichnet
    - dass ein erster (30) der beiden Bestandteile des Ventilkörpers mit einer ersten rohrförmigen Wand (31) versehen ist, die an einem ihrer Enden durch eine erste (32) der beiden Verschlusswände verschlossen ist, wobei eine erste Stützwand (34) an der Außenseite der ersten rohrförmigen Wand (31) ausgebildet ist, wobei die der ersten Verschlusswand (32) gegenüberliegende Seite der ersten Stützwand (34) die erste (341) der beiden Stützflächen bildet, und
    - dass der zweite (20) der beiden Bestandteile des Ventilkörpers mit der zweiten (22) der beiden Verschlusswände und gegebenenfalls mit einer zweiten rohrförmigen Wand (21) versehen ist, die an einem ihrer Enden durch die zweite Verschlusswand (22) verschlossen ist, wobei eine zweite Stützwand (24) am Umfang der zweiten Verschlusswand (22) oder an der Außenseite der zweiten rohrförmigen Wand (21) ausgebildet ist, wobei die Seite der zweiten Stützwand (24), die der Außenseite der zweiten Verschlusswand (22) gegenüberliegt, die zweite (241) der beiden Stützflächen bildet.
  4. Ventilkörper nach dem vorhergehenden Anspruch, dadurch gekennzeichnet
    - dass die Befestigungsmittel des ersten Bestandteils (30) aus einer ersten Befestigungsfläche (35) bestehen, die auf der Außenfläche der ersten rohrförmigen Wand (31) innerhalb einer Projektion, bezogen auf die Hauptachse (A), der ersten Stützfläche (341) ausgebildet ist, oder die erste Befestigungsfläche (35) auf der Kante der ersten rohrförmigen Wand ausgebildet ist, die der ersten Verschlusswand (32) gegenüberliegt,
    - dass die Befestigungsmittel des zweiten Bestandteils (20) aus einer zweiten Befestigungsfläche (25) bestehen, die am Umfang der zweiten Verschlusswand (22) innerhalb einer Projektion, bezogen auf die Hauptachse (A), der zweiten Stützfläche (241) ausgebildet ist, oder die zweite Befestigungsfläche an der zweiten rohrförmigen Wand (21), vorzugsweise an der Kante der zweiten rohrförmigen Wand (21) ausgebildet ist, die der zweiten Verschlusswand (22) gegenüberliegt,
    wobei die beiden Befestigungsflächen (25, 35) überlappende Formen haben, wobei eine der beiden Befestigungsflächen (35) mit einer Schweißverdickung (351) versehen sein kann.
  5. Ventilkörper nach einem der Ansprüche 3 oder 4, dadurch gekennzeichnet, dass die erste rohrförmige Wand (31) so bemessen ist, dass sie den rohrförmigen Körper des Ventilkörpers bildet, so dass im zusammengebauten Zustand des Ventils das Ende (313) der ersten rohrförmigen Wand (31), die der ersten Verschlusswand (32) gegenüberliegt, mit der zweiten Verschlusswand (22) des anderen Bestandteils in Kontakt steht, vorzugsweise unter Zwischenschaltung einer Dichtung (72).
  6. Ventilkörper nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass
    - die erste Befestigungsfläche an der Kante der ersten rohrförmigen Wand, die der ersten Verschlusswand gegenüberliegt, ausgebildet ist, und die zweite Befestigungsfläche an der zweiten Verschlusswand ausgebildet ist, wobei die zweite Stützfläche am Umfang der zweiten Verschlusswand ausgebildet ist, wobei der zweite Bestandteil keine zweite rohrförmige Wand aufweist; oder
    - die erste Befestigungsfläche (35) an der Außenseite der ersten rohrförmigen Wand (31), vorzugsweise an der ersten Stützwand (34), ausgebildet ist, vorzugsweise in einer Nut, die an der ersten Stützwand (34) innerhalb der ersten Stützfläche (341) ausgebildet ist, und die zweite Befestigungsfläche (25) an der Kante der zweiten röhrenförmigen Wand (21) ausgebildet ist, wobei die zweite Stützfläche (24) am Umfang der zweiten Verschlusswand (22) oder an der Außenseite der zweiten röhrenförmigen Wand (21) ausgebildet ist.
  7. Ventilkörper nach einem der Ansprüche 3 oder 4, dadurch gekennzeichnet, dass die erste rohrförmige Wand (31) und die zweite rohrförmige Wand (21) überlappende Querschnitte haben und im zusammengebauten Zustand des Ventils zusammen den rohrförmigen Körper des Ventilkörpers bilden, wobei die erste Befestigungsfläche (35) von der Kante der ersten rohrförmigen Wand (31), die der ersten Verschlusswand (32) gegenüberliegt, und die zweite Befestigungsfläche (25) von der Kante der zweiten rohrförmigen Wand (21), die der zweiten Verschlusswand (22) gegenüberliegt, gebildet wird.
  8. Ventilkörper nach einem der Ansprüche 2 bis 7, dadurch gekennzeichnet, dass eine Ventildichtung (72) gegen die Innenseite der Verschlusswand (22) vorgesehen ist, die mit der Öffnung (23) versehen ist, die so bemessen ist, dass sie den am Ventil (40) oder an einem Diffusor befindlichen Austrittsschaft (41) für das Produkt durchlässt, wobei die Ventildichtung so bemessen ist, dass sie zwischen einem im Ventilkörper angeordneten Ventil und der Innenseite der Verschlusswand (22) sowie zwischen dem Austrittsschaft (41) für das Produkt und der Öffnung (23) der Verschlusswand (22) abdichtet, wobei die Ventildichtung vorzugsweise aufgespritzt ist.
  9. Ventil für einen Aerosolgenerator, bestehend aus
    - einem Ventilteller (10), der mit einer Öffnung (12) versehen und dazu geeignet ist, mit seinem Umfangsrand (13) an einer Aerosoldose befestigt zu werden,
    - einen Ventilkörper nach einem der vorhergehenden Ansprüche, und
    - ein Ventil (40), das zumindest teilweise in dem Ventilkörper untergebracht ist,
    wobei einer (20) der beiden Bestandteile auf einer Seite des Ventiltellers und der andere (30) der beiden Bestandteile auf der anderen Seite des Ventiltellers angeordnet ist, wobei ein Teil von mindestens einem der beiden Teile durch die Öffnung (12) des Ventiltellers verläuft, so dass es auf der anderen Seite des Ventiltellers hervorsteht, wobei die beiden Bestandteile durch ihre Befestigungsmittel aneinander befestigt sind und dabei zwischen ihren jeweiligen Stützflächen (241, 341) einen ringförmigen Abschnitt (121) des Ventiltellers, der um die Öffnung (12) herum angeordnet ist, umschließen.
  10. Ventil nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass eine Ventiltellerdichtung (71) zwischen dem Ventilteller (121) und einer der Stützflächen (341) angeordnet ist, um die Dichtigkeit an der Schnittstelle zwischen dem Ventilteller und der Stützfläche (341) zu gewährleisten, wobei die Stützfläche (341) vorzugsweise mit einer Dichtungsrippe (342) versehen ist, die dazu bestimmt ist, im zusammengebauten Zustand des Ventils gegen die Ventiltellerdichtung (71) zu drücken.
  11. Ventil nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die Ventiltellerdichtung (71) so dimensioniert ist, dass sie auch an einer Schnittstelle zwischen den beiden Bestandteilen (20, 30) des Ventilkörpers abdichtet.
  12. Ventil nach Anspruch 10 oder 11, dadurch gekennzeichnet, dass die Ventiltellerdichtung (71) auf den Ventilteller aufgespritzt ist.
  13. Ventil nach einem der Ansprüche 10 bis 12, dadurch gekennzeichnet, dass der Rand der Öffnung (12) des Ventiltellers zu einer der Seiten des Ventiltellers hin verformt ist, um einen ringförmigen Hals (121) zu bilden, vorzugsweise unter Bildung einer ebenen ringförmigen Kante, wobei die Kante des Halses (121) im zusammengebauten Zustand des Ventils an einer (241) der Stützflächen anliegt.
  14. Ventil nach einem der Ansprüche 10 bis 13 in Verbindung mit Anspruch 4, dadurch gekennzeichnet, dass die beiden Bestandteile (20, 30) unter Einspannen des Ventiltellers (10) zwischen sich durch irreversibles Fixieren ihrer Befestigungsflächen (25, 35) aneinander befestigt sind, vorzugsweise durch Schweißen, gegebenenfalls mit Hilfe einer an einer der Befestigungsflächen (35) vorgesehenen Schweißverdickung (351), insbesondere durch Ultraschallschweißen.
EP19726413.8A 2018-05-28 2019-05-27 Ventilkörper zur montage auf einem becher Active EP3802360B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1854513A FR3081530B1 (fr) 2018-05-28 2018-05-28 Corps de valve a monter sur une coupelle
PCT/EP2019/063692 WO2019229004A1 (fr) 2018-05-28 2019-05-27 Corps de valve à monter sur une coupelle

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EP3802360A1 EP3802360A1 (de) 2021-04-14
EP3802360C0 EP3802360C0 (de) 2023-06-21
EP3802360B1 true EP3802360B1 (de) 2023-06-21

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EP (1) EP3802360B1 (de)
AR (1) AR115445A1 (de)
BR (1) BR112020022115A2 (de)
CA (1) CA3099626A1 (de)
FR (1) FR3081530B1 (de)
MX (1) MX2020011351A (de)
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021013605A1 (fr) * 2019-07-24 2021-01-28 Lindal France Sas Coupelle de valve pour récipient sous pression
FR3099470B1 (fr) * 2019-07-29 2021-09-10 Lindal France Valve pour récipient sous pression

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2775483A (en) * 1955-01-20 1956-12-25 Scovill Manufacturing Co Aerosol bomb filling and dispensing valve
US2965271A (en) * 1956-12-27 1960-12-20 Dev Res Inc Valve body incorporating mounting cup mask and gasket
US3396874A (en) * 1967-05-15 1968-08-13 Afa Corp Positive action dispensing valve
DE2013178A1 (de) * 1969-03-26 1970-10-08 Dart Industries Inc., Los Angeles, Calif. (V.St.A.) Aerosolbehälter mit einer durch eine, gegebenenfalls ein Ventil enthaltende Kappe verschließbaren öffnung
US7374068B2 (en) * 2004-10-08 2008-05-20 Homax Products, Inc. Particulate materials for acoustic texture material
WO2007107174A1 (de) * 2006-03-21 2007-09-27 Coster Tecnologie Speciali S.P.A. Baueinheit für ein abgabeventil für die abgabe von unter druck stehenden flüssigkeiten, und behälter mit einer derartigen baueinheit
DE102007040296A1 (de) * 2007-08-24 2009-02-26 Fazekas, Gàbor Feststoffventil

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EP3802360C0 (de) 2023-06-21
WO2019229004A1 (fr) 2019-12-05
EP3802360A1 (de) 2021-04-14
CA3099626A1 (fr) 2019-12-05
US20210237962A1 (en) 2021-08-05
US11273972B2 (en) 2022-03-15
BR112020022115A2 (pt) 2021-01-26
FR3081530A1 (fr) 2019-11-29
MX2020011351A (es) 2020-11-24
FR3081530B1 (fr) 2020-05-29

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