EP3310690B1 - Procédé pour fabriquer une valve d'aérosol et valve d'aérosol - Google Patents

Procédé pour fabriquer une valve d'aérosol et valve d'aérosol Download PDF

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Publication number
EP3310690B1
EP3310690B1 EP16731080.4A EP16731080A EP3310690B1 EP 3310690 B1 EP3310690 B1 EP 3310690B1 EP 16731080 A EP16731080 A EP 16731080A EP 3310690 B1 EP3310690 B1 EP 3310690B1
Authority
EP
European Patent Office
Prior art keywords
cup
retaining ring
valve body
opening
stem
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
EP16731080.4A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3310690A1 (fr
Inventor
Hervé BODET
Bernard BOREL
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lindal France SAS
Original Assignee
Lindal France SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lindal France SAS filed Critical Lindal France SAS
Priority to PL16731080T priority Critical patent/PL3310690T3/pl
Publication of EP3310690A1 publication Critical patent/EP3310690A1/fr
Application granted granted Critical
Publication of EP3310690B1 publication Critical patent/EP3310690B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • B65D83/16—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 characterised by the actuating means
    • B65D83/20—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 characterised by the actuating means operated by manual action, e.g. button-type actuator or actuator caps
    • B65D83/207—Actuators comprising a manually operated valve and being attachable to the aerosol container, e.g. downstream a valve fitted to the container; Actuators associated to container valves with valve seats located outside the aerosol 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
    • B65D83/38—Details of the container body

Definitions

  • the invention relates to a cup / valve assembly for an aerosol container comprising a cup, a valve body, a rod, a spring, an inner seal and means for retaining the stem in the container. valve body.
  • the cup has in its center an opening through which the stem protrudes.
  • the rod comprises a bead on its outer cylindrical face and an inner duct which has an upper opening at its upper end and at least one lateral orifice at its lower end, the side orifices being placed between the bead and the opening top of the inner duct.
  • the valve body has a cylindrical portion with an opening at its upper end defining a top edge.
  • the invention also relates to a method for manufacturing such a cup / valve assembly.
  • cup / valve assemblies as described in the preamble are well known, for example FR 2,508,136 . They are generally made of an aluminum cup which is dug on the upper crown of a valve body by enclosing a portion of the stem in the valve body. These sets are commonly used and pose the problem of recycling used aerosols. Indeed, the stem and the valve body are generally plastic, while the cup and the spring are metallic.
  • the object of the invention is to simplify the recycling of such cup / valve assemblies. Another objective is to simplify their manufacture.
  • said ring is placed in a recess provided on the upper face of the cup and which surrounds the opening. It will be possible to choose the height of the recess and that of the retaining ring so that, after fixation of the latter, its upper face is flush with the upper face of the cup or is set back from the latter.
  • the bottom of the recess preferably forms a radial annular surface against which bears the retaining ring.
  • centering the retaining ring With respect to the cup.
  • These centering means are constituted by a ring placed on the face of the retaining ring directed towards the cup, preferably at its periphery.
  • This ring is dimensioned to penetrate into a recess located on the cup and surrounding and / or surmounting the opening, preferably in a groove made in the bottom of a recess.
  • the recess widens towards the retaining ring, at least in its upper part.
  • the crown narrows towards the cup, at least in its lower part.
  • the bottom of the recess can form a radial annular surface against which bears the ring of the retaining ring.
  • a thickness of material may be provided on the ring of the retaining ring or in the throat of the cup to serve as a seal.
  • the means for fixing the valve body to the opening of the cup are constituted by bridges placed between the outer face of the cylindrical portion of the valve body and the opening of the cup, said means fixing the valve body being designed such that the summit ridge of the cylindrical part valve body is located lower than the interface between the retaining ring and the cup at the opening of the cup.
  • the means for fixing the valve body to the opening of the cup are constituted by latching means for snapping the valve body onto the cup, the latching means being designed so that the The top edge of the cylindrical portion of the valve body is located lower than the interface between the retaining ring and the cup at the opening of the cup.
  • the apex edge is located lower than the bottom of the recess at the opening of the cup.
  • a simple solution for fixing the retaining ring is to weld it onto the cup.
  • the retaining ring may be provided with a crown on its lower face, preferably at its periphery, and the recess may be provided with an annular groove of dimensions corresponding to those of the ring of the retaining ring, an extra thickness of material that can be provided on the ring of the retaining ring or in the groove of the cup to serve as a seal.
  • valve body In order to fix a dip tube, a metering tank, anti-sag means or any other similar device, it may be useful to provide the valve body with a tubing placed in the extension of the cylindrical part, as opposed to the upper opening, a passage opening being provided to bring into contact the inside of the tubing and the inside of the cylindrical portion.
  • a pocket on the valve body may be provided on the cup means for fixing it on the neck of a housing to form an aerosol container.
  • the cup, the valve body, the rod and / or the retaining ring may be made of a thermoplastic material, the spring made of stainless steel or a thermoplastic material.
  • step (e) it is preferable in step (e), to mold together in one piece the rod and the retaining ring, the retaining ring being connected to the rod by bridges that can easily give way, the retaining ring being located between the orifices and the upper opening of the inner duct.
  • step (g) it is preferable, in step (g), to fix the retaining ring on the cup by welding, a thickness of material that can be provided on the retaining ring or on the cup to serve as a solder joint.
  • the valve of the invention is intended to be made of plastic in order to allow easier recycling of the aerosol container after use. It goes without saying that some parts can however be made in another material, for example metal.
  • the cup unit (11) combines in one piece the cup (2) and the valve body (3). It would of course be possible to make this unit in the form of two separate parts assembled together by any appropriate means, for example by snapping.
  • the cup conventionally comprises a peripheral edge (21) to fix it on the neck of a housing (6) after interposition, if necessary, an outer seal (22).
  • the underside of the cup may be provided with reinforcing ribs (25).
  • the cup has at its center an opening (23) which is surrounded on the upper face of the cup, a recess (24) concentric to the opening (23).
  • a recess 234 concentric to the opening (23).
  • the bottom of the recess has an annular groove (241).
  • the valve body (3) is fixed to the cup at the opening (23). It consists essentially of a cylindrical element (31) open at the top and closed at the bottom by a radial partition wall (32). The cylindrical element is extended by a pipe (33) fixed to the radial wall. An opening (34) is made in the radial wall to contact the inside of the cylinder and the conduit located inside the tubing. L-shaped radial ribs (35) are placed in the bottom of the cylindrical member (31). The vertical branches of the L serve to guide the spring (14) while the horizontal branches serve as support. The horizontal branches of the L are not touching. In the example presented, they stop at a distance from the orifice (34).
  • the cylindrical element (31) is connected to the cup (2) by bridges (36) made in the upper part of its outer face.
  • bridges are regularly distributed on the periphery of the cylindrical element and form slots projecting radially outwards and upwards.
  • the upper part of these bridges is connected to the wall of the opening (23).
  • the cylindrical member (31) On its top edge, the cylindrical member (31) has an annular rib (37) for sealing with the inner seal (13).
  • the top of the annular rib (37) is located lower than the bottom of the recess (24) at the opening (23). It is possible, however, that the bottom of the recess at the level of the annular groove (241) is at the same level, or even lower, than the top of the annular rib (37). It would also be possible to replace the bridges (36) by a continuous attachment.
  • the rod unit (12) consists of a rod (4) and a retaining ring (5). To simplify manufacture and assembly, it is preferable that the rod unit is made in one piece. For this, the retaining ring and the rod are molded together and connected by a few fragile bridges (51) which yield easily during assembly. It would of course be possible to manufacture the two elements separately.
  • the stem (4) also known as stem, consists of a tubular element separated at its center by a radial wall (41) forming an upper duct (42) and a lower conduit (43).
  • One or more orifices (44) are made in the bottom of the upper duct, near the radial wall (41) to bring the interior of this upper duct into contact with the cylindrical outer face of the rod.
  • An annular bead (45) is formed on the cylindrical outer face of the rod, below the orifices (44). This bead (45) is flattened on the side of the orifices (44) so as to form a radial bearing surface (46). In the example presented here, the bead (45) is in the extension of the partition wall (41).
  • the lower duct (43) has no function, and the portion of the tubular element below the radial partition (41) could be full. It serves as guide pin in the spring (14).
  • An annular shoulder (47) is formed in the post which, in the mounted state, acts as a stop for the spring.
  • the retaining ring (5) has the form of a round plate pierced at its center so as to form a passage (52).
  • the outer diameter of the retaining ring is slightly smaller than the diameter of the recess (24), and in all cases greater than the diameter of the opening (23).
  • the diameter of the passage (52) is slightly greater than the outer diameter of the wall of the upper conduit (42) of the rod.
  • the seal is placed on a ring (54) placed at the periphery of the lower face of the retaining ring. This ring penetrates into the annular groove (241) formed in the recess (24) of the cup.
  • the crown may serve as a centering means for centering the retaining ring as it moves toward the cup during assembly. If the retaining ring is not provided with such a ring, it is not necessary to provide annular groove in the recess.
  • the bridges (51) which connect before assembly the rod and the retaining ring are located between the orifices (44) and the top of the rod, for example at about mid-distance.
  • the inner seal (13) is an annular flat seal whose outer diameter is slightly less than or equal to the diameter of the opening (23) at the junction between the cup and the valve body, and greater than the diameter of the seal.
  • a spring (14) is introduced into the valve body (3) so that it is in the space defined by the vertical branches of the ribs (35), resting on the horizontal branches of these ribs.
  • the inner seal (13) is threaded onto the lower part of the post rod. until it is over the bead (45).
  • the underside of the bead is inclined to facilitate the passage of the seal.
  • the latter is then between the bead (45) and the retaining ring (5) always attached to the upper part of the rod.
  • the stem / retaining ring unit provided with the seal is then introduced into the valve body until the lower part of the rod enters the spring and the upper end thereof comes into contact with the spring. annular shoulder (47) of the lower part of the rod. This situation is represented in figure 3 .
  • the retaining ring is then pushed down and the bridges (51) which connected to the rod (4) yield.
  • the ring is brought into contact with the cup. It takes place in the recess (24) with its thickness of material (53) bearing against the annular radial surface forming the bottom of the recess (24), if any, in the annular groove (241) when there has one as is the case in this example.
  • the retaining ring pushes down the seal (13) which collapses against the annular rib (37) formed on the summit ridge of the cylindrical element (31) of the valve body. The seal is thus wedged between the lower face of the retaining ring and firstly the radial bearing surface (46) of the bead and secondly the annular rib (37) of the valve body.
  • the retaining ring (5) When the retaining ring (5) is provided with an annular ring (54) which penetrates into a groove (214) of the recess (24), it is preferable that one or the side walls of this recess are slightly inclined relative to the vertical, at least in their upper part, so that the recess flares upward at least in its upper part.
  • the retaining ring (5) when the retaining ring (5) is lowered to the cup during assembly, its ring is guided in the recess (24) by the inclined side wall or walls, even if the retaining ring is not exactly coaxial with the recess (24).
  • the recess (24) consists essentially of an upper part intended to receive the main plate of the retaining ring (5) and delimited by an outer side wall and secondly of a lower part formed by the groove (241) intended to receive the ring (54) of the retaining ring and delimited by two side walls and a bottom wall, the outer side wall of the groove being in the extension of the side wall of the upper part in this case.
  • the side wall of the upper part of the recess (24) is slightly inclined relative to the vertical so that the recess flares upwards, as is clearly visible on the Figures 3 and 4 . It would also be possible to provide a groove (241) serving as a recess for the ring (54), without recess for the main plate of the retaining ring (5). In this case, one or both side walls could be inclined relative to the vertical, at least in their upper part, so that the groove flares upwards.
  • a flexible bag could be attached to the valve body (3) to form a pocket valve.
  • the different elements are preferably made of a plastic material.
  • the housing shall be of a material compatible with that of the cup if the cup / valve assembly is to be welded to it.
  • PET will be chosen.
  • cup / valve assembly of the invention lies in the fact that all the parts can be made of plastic, including the spring, which facilitates the recycling of the aerosol container after use. Moreover, by molding in one piece on the one hand the cup unit and on the other hand the rod unit, the number of parts is considerably reduced, which allows a saving of space during storage and allows reduce assembly costs.

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)
  • Nozzles (AREA)
EP16731080.4A 2015-06-16 2016-06-13 Procédé pour fabriquer une valve d'aérosol et valve d'aérosol Active EP3310690B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL16731080T PL3310690T3 (pl) 2015-06-16 2016-06-13 SPOSÓB WYTWARZANIA ZAWORU DO AEROZOLU i ZAWÓR DO AEROZOLU

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1555497A FR3037571B1 (fr) 2015-06-16 2015-06-16 Procede pour fabriquer une valve d'aerosol et valve d'aerosol
PCT/EP2016/063537 WO2016202754A1 (fr) 2015-06-16 2016-06-13 Procédé pour fabriquer une valve d'aérosol et valve d'aérosol

Publications (2)

Publication Number Publication Date
EP3310690A1 EP3310690A1 (fr) 2018-04-25
EP3310690B1 true EP3310690B1 (fr) 2019-10-09

Family

ID=54066049

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16731080.4A Active EP3310690B1 (fr) 2015-06-16 2016-06-13 Procédé pour fabriquer une valve d'aérosol et valve d'aérosol

Country Status (11)

Country Link
US (1) US10532881B2 (pt)
EP (1) EP3310690B1 (pt)
BR (1) BR112017027033B1 (pt)
CA (1) CA2988053C (pt)
CU (1) CU20170165A7 (pt)
ES (1) ES2761632T3 (pt)
FR (1) FR3037571B1 (pt)
MX (1) MX2017016293A (pt)
PL (1) PL3310690T3 (pt)
PT (1) PT3310690T (pt)
WO (1) WO2016202754A1 (pt)

Families Citing this family (18)

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Publication number Priority date Publication date Assignee Title
FR3049275B1 (fr) * 2016-03-23 2019-07-19 Aptar France Sas Valve doseuse et dispositif de distribution de produit fluide comportant une telle valve
BE1024213B1 (nl) * 2016-11-04 2017-12-13 Altachem Nv Klep
FR3065891B1 (fr) * 2017-05-05 2021-12-24 Aptar France Sas Valve doseuse et dispositif de distribution de produit fluide comportant une telle valve.
US20190276221A1 (en) * 2018-03-06 2019-09-12 The Procter & Gamble Company Multi-piece valve stem for aerosols
DE102018003741B4 (de) 2018-03-16 2021-08-26 Aptar Dortmund Gmbh Abgabevorrichtung mit reibverschweißtem Ventilteller
US10836562B2 (en) * 2018-04-16 2020-11-17 The Procter & Gamble Company Crystallized plastic valve for an aerosol dispenser and housing therefor
US10793343B1 (en) * 2018-06-08 2020-10-06 Nelson Alonso Aerosol valve
US10947030B2 (en) 2018-08-24 2021-03-16 Clayton Corporation Mounting cup for pressurized container
WO2021013605A1 (fr) 2019-07-24 2021-01-28 Lindal France Sas Coupelle de valve pour récipient sous pression
FR3099144B1 (fr) 2019-07-24 2022-01-07 Lindal France Valve pour récipient sous pression
US11703130B2 (en) 2019-07-26 2023-07-18 The Procter & Gamble Company Valve assembly for dispensers
US11117735B2 (en) 2019-07-26 2021-09-14 The Procter & Gamble Company Valve assembly for dispensers
WO2021022277A1 (en) 2019-07-26 2021-02-04 The Procter & Gamble Company Valve assembly
WO2021022282A1 (en) 2019-07-26 2021-02-04 The Procter & Gamble Company A valve assembly for dispensers
WO2021022276A1 (en) 2019-07-26 2021-02-04 The Procter & Gamble Company A valve assembly for dispensers
CN114127450A (zh) 2019-07-26 2022-03-01 宝洁公司 用于分配器的阀组件
FR3099470B1 (fr) 2019-07-29 2021-09-10 Lindal France Valve pour récipient sous pression
CN110789764A (zh) * 2019-10-23 2020-02-14 泛卡医药科技(上海)有限公司 一种气雾剂包装系统的快速封装方法

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US2508136A (en) * 1945-08-06 1950-05-16 Beier Hanns Map holder
FR2508136B1 (fr) * 1981-06-19 1985-12-06 Oreal Perfectionnement aux valves pour recipients aerosols
DE4035618A1 (de) * 1990-11-09 1992-05-14 Pfeiffer Erich Gmbh & Co Kg Austragvorrichtung fuer medien
BRPI0520388A2 (pt) * 2005-05-27 2009-05-05 Yong-Soo Kim dispenser descartável e dispenser reutilizável
MX2010002379A (es) * 2007-08-28 2010-04-21 Meadwestvaco Calmar Inc Valvulas de plastico y metodos para utilizarlas.
GB201402358D0 (en) * 2013-06-14 2014-03-26 Hawthorne Gary Salfordlock
DE102014100280A1 (de) * 2014-01-13 2015-07-16 Thomas Gmbh Ventilbaugruppe für Aerosolbehälter

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Also Published As

Publication number Publication date
US20180134481A1 (en) 2018-05-17
BR112017027033A2 (pt) 2018-08-21
WO2016202754A1 (fr) 2016-12-22
FR3037571A1 (fr) 2016-12-23
ES2761632T3 (es) 2020-05-20
MX2017016293A (es) 2018-11-12
CA2988053A1 (fr) 2016-12-22
PT3310690T (pt) 2019-12-13
CU20170165A7 (es) 2019-02-04
CA2988053C (fr) 2020-02-25
EP3310690A1 (fr) 2018-04-25
US10532881B2 (en) 2020-01-14
PL3310690T3 (pl) 2020-04-30
FR3037571B1 (fr) 2019-11-22
BR112017027033B1 (pt) 2022-05-10

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