EP3953050B1 - Spender für druckbehälter - Google Patents

Spender für druckbehälter Download PDF

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Publication number
EP3953050B1
EP3953050B1 EP20713816.5A EP20713816A EP3953050B1 EP 3953050 B1 EP3953050 B1 EP 3953050B1 EP 20713816 A EP20713816 A EP 20713816A EP 3953050 B1 EP3953050 B1 EP 3953050B1
Authority
EP
European Patent Office
Prior art keywords
nozzle
support surface
retention ring
housing
dispenser according
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
EP20713816.5A
Other languages
English (en)
French (fr)
Other versions
EP3953050A1 (de
EP3953050C0 (de
Inventor
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
Publication of EP3953050A1 publication Critical patent/EP3953050A1/de
Application granted granted Critical
Publication of EP3953050B1 publication Critical patent/EP3953050B1/de
Publication of EP3953050C0 publication Critical patent/EP3953050C0/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
    • 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
    • B65D83/28—Nozzles, nozzle fittings or accessories specially adapted therefor
    • 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
    • B65D83/75—Aerosol containers not provided for in groups B65D83/16 - B65D83/74
    • B65D83/753—Aerosol containers not provided for in groups B65D83/16 - B65D83/74 characterised by details or accessories associated with outlets

Definitions

  • the invention relates to a diffuser for a pressure vessel according to the preamble of claim 1.
  • the nozzle generally consists of a cylindrical wall closed on one side by a front wall provided with an outlet orifice and open on the other. It carries a retention ring on the external face of the cylindrical wall. During assembly, the nozzle is forced into the nozzle housing so that its retention ring slides against the housing wall. The retention ring constitutes a “hard tooth” which hooks into the softer material of the nozzle housing. This hooking system also ensures sealing between the nozzle and the nozzle housing.
  • This concept allows the nozzle to be held up to pressure and temperature values commonly used today. In particular, nozzles retained in this way by deformation support pressures of up to 12 bars.
  • the objective of the invention is therefore to modify the retention mode of the nozzle so that it resists higher pressures, and in particular so that it resists at least 20 bars.
  • the tubular wall of the nozzle housing is provided, at a distance from its end open towards the outside, with a bearing surface which extends over at least part of its periphery and behind which can engage at least part of the retention ring of a nozzle inserted into the nozzle housing.
  • the invention provides a positive grip due to the fact that the retention ring, acting as a hook, is positioned behind the support surface against which it rests. The nozzle is blocked much more effectively than by retention by traditional deformation, even if this locking is not done all the way around the nozzle housing.
  • the advantage of the invention lies in particular in the fact that it is possible to use common nozzles. It is not necessary to have specific nozzles for this type of diffuser.
  • the support surface is preferably defined by at least one angular section of a surface having rotational symmetry with respect to the axis.
  • the support surface can be substantially radial relative to the axis.
  • the bearing surface Due to technical constraints for molding the outlet channel, it is not always possible for the bearing surface to extend over the entire periphery of the nozzle housing. This is particularly the case when the outlet channel is an integral part of the finger cot allowing the valve to be actuated.
  • the support surface only extends over an angular section of the periphery of the tubular wall, said tubular wall extending, opposite its open end, in the angular section complementary to the support surface, by an extension in which the part of the retention ring of a nozzle which is not engaged with the support surface can cling by deformation of the extension. Such partial engagement is already sufficient to guarantee effective retention even at pressures of at least 20 bars.
  • the outlet channel can be provided at its end opening into the nozzle housing with a nipple intended to penetrate into a corresponding recess of a nozzle.
  • the cross section of the stud can in particular be dimensioned to be greater than that of the recess of a nozzle for which it is intended, so as to be able to create, when a nozzle is placed in the nozzle housing with the stud penetrating into the recess, a sealed annular surface at the interface between the nipple and the nozzle.
  • the contact zone constitutes an example of an embodiment of the sealing means.
  • the nipple protrudes into the nozzle housing so that its front face is closer axially to the open end of the tubular wall than the bearing surface.
  • the cross section of the tubular surface and/or the cross section of the nipple are in the shape of a circle.
  • the invention also relates to a diffuser in which a nozzle provided with a retention ring is inserted into the nozzle housing, at least part of the retention ring engaging behind the support surface.
  • the part of the nozzle retention ring which is not engaged with the support surface can be attached to the tubular surface by deformation of its extension.
  • the invention relates to a diffuser (1) intended to actuate the valve of an aerosol generator in order to diffuse its contents.
  • a diffuser is essentially provided with a tubular skirt (10), a finger cot (20) located at the top of the skirt and an outlet channel (30, 30') placed inside the diffuser, under the finger cot with which it cooperates to operate the valve.
  • the finger cot can be articulated on the skirt via a tab (21) so that it can be pushed towards the inside of the diffuser by pivoting around an axis passing through the tab. It can also be separated from the skirt by being able to be pushed towards the inside of the diffuser either by translation or by pivoting around a support point.
  • the outlet channel (30, 30') consists of a conduit (31) and a nozzle housing (32) for receiving a nozzle.
  • the first end (311) of the conduit (31) is designed to actuate the valve of a pressure container such as an aerosol generator and the second end (312) opens into the nozzle housing (32).
  • the first end of the conduit (311) is dimensioned to cooperate with the stem (also known as the rod or nozzle) of a male type valve. It would also be possible that this first end is designed to operate a female type valve.
  • the nozzle housing extends around an axis (A).
  • the second section extends along the axis (A), at least at the level of the second end (312) of the conduit.
  • the inclination of the second section is only dictated by the intended use of the diffuser or the desired aesthetic. Depending on the needs, it can be horizontal, inclined downwards, inclined upwards as in the present example, or even vertical and in the extension of the first section.
  • the outlet channel (30) may be an integral part of the finger cot under which it is formed during molding of the finger cot, as in the present example. In another embodiment not shown, it can be connected to the skirt, for example by a flexible tab. Finally, it can consist of an insert (30') fixed on the skirt or on the finger cot during assembly, like the conduit described in the French patent application FR 19 00 676 .
  • the outlet duct (30') and the basic body of the diffuser, consisting of the skirt (10) and the finger cot (20) are two separate parts connected together by mechanical hooking means, in particular by snap-fastening for example of a tenon placed at the top of the outlet conduit (30') in a corresponding opening made in the finger cot (20).
  • the nipple (33) projects slightly into the nozzle housing (32), which is delimited by a tubular wall (34) coaxial with the nipple, but of larger diameter.
  • This nozzle housing opens, opposite the nipple (33), on the outside either into the skirt or into the finger cot (case of the example presented here) depending on the needs.
  • the nozzle (40) essentially consists of a tubular wall (41) closed at a first end by a front wall (42) provided with an outlet orifice (421) and open at the other end.
  • the tubular wall (41) is provided on its exterior face, near the open end, with a retention ring (43) whose downstream face (431) directed towards the front wall is substantially radial, while the face opposite upstream (432) is preferably inclined so as to form a ramp.
  • the retention ring therefore constitutes a hook.
  • the interior face of the front wall (42) can be provided with reliefs to improve the quality of the jet.
  • the nozzle can also be provided with an interior part (44) also intended to improve the quality of the jet.
  • the nozzle is therefore provided with a recess (45) into which the nipple (33) can penetrate.
  • the nozzle housing forms a blind hole closed at the bottom by a radial wall into which the second end (312) of the conduit opens.
  • the end of the conduit can be flush with this bottom wall, or as in the present example, continue with a stud (33) projecting from the bottom wall into the nozzle housing.
  • the nozzle is inserted into the nozzle housing until its open end, opposite the front wall (42), touches the bottom wall of the nozzle housing, or when there is a nipple, the nozzle is threaded on the nipple (33) until the internal face of the front wall of the nozzle, or the internal face of the interior part (44), touches the front face of the nipple (33).
  • the nozzle is forced into the housing.
  • the diameter of the nozzle retention ring (43) is greater than the diameter of the cylindrical wall (34) of the nozzle housing.
  • the retaining ring acts like a “hard tooth” that grips the softer material of the nozzle housing.
  • the nozzle is therefore retained in the housing by deformation thereof. This retention system also ensures sealing at the interface between the retention ring and the deformed cylindrical wall of the nozzle housing.
  • the upstream end of the nozzle housing (32), located on the outlet channel side, is at least partly open.
  • the tubular wall (34) is provided, at a distance from its end open towards the outside, with a support surface (341) which extends over at least part of its periphery and behind which can engage a at least part of the retention ring (43) of a nozzle inserted into the nozzle housing.
  • the support surface (341) is defined by at least one angular section of a surface having rotational symmetry with respect to the axis (A). In the simplest embodiment, the bearing surface (341) is substantially radial.
  • the channel (30) is, as here, an integral part of the finger cot (20), it is not possible to simply mold a bearing surface (341) over the entire circumference of the tubular wall (34).
  • at least part of the upstream part of the tubular wall (34) continues by an extension (342) beyond the bearing surface (341) in the direction opposite to the open end, thus extending a corresponding part of the nozzle housing.
  • the tubular wall (34) is therefore divided into two angular sections: the first ends with the support surface (341) and the second, complementary to the first, continues with the extension (342).
  • the two angular sections are approximately equal and equal approximately 180°. This is clearly visible on the figures 4 , 6, 7 and 8 . This means that approximately 50% of the retention ring is snapped behind the bearing surface and that the remaining 50% is retained by deformation of the extension (342). It goes without saying that other values could be provided depending in particular on molding constraints.
  • the nozzle (40) is therefore retained partly by snapping the retention ring (43) behind the bearing surface (341) and partly by deformation of the extension (342) of the tubular wall.
  • Snapping the retention ring behind the bearing surface of a on the other hand and the retention of the retention ring by deformation of the extension (342) constitute means for retaining the nozzle in the nozzle housing.
  • the front face (331) of the nipple is preferably in contact with the internal face of the front wall (42) of the nozzle, or with the rear face of the interior part (44), to a precise assembly game taking into account the dimensional tolerances of the different parts.
  • the internal diameter of the tubular wall (41) of the nozzle is less than the external diameter of the nipple (33).
  • the nozzle is forced onto the stud (33) so that the annular interface (35) between the exterior face of the stud (33) and the interior face of the tubular wall (41) of the nozzle forms a connection waterproof clearly visible on the figures 3a, 5a , 6a and 7a .
  • the nipple (33) projects into the nozzle housing (32) beyond the bearing surface (341) so that the front end of the nipple (33) is placed further downstream than the support surface.
  • the front face (331) of the nipple is closer axially to the open end of the tubular wall (34) than the bearing surface (341).
  • the sealing function and the retaining function are therefore separated.
  • the seal could be obtained by means other than adjusting the annular interface.
  • a seal could be provided between the front face of the nipple and the internal face of the front wall of the nozzle or the internal face of the interior part.
  • PE polymer materials
  • PLA polymer materials
  • PHA polymer materials
  • PBS polymer materials
  • They can contain mineral fillers (glass, basalt, etc.), be reinforced with mineral or plant fibers.
  • non-polymeric materials such as lignin-based materials (cardboard, wood), materials containing textiles, metals, etc.
  • POM polymer sufficiently rigid to ensure a hard tooth effect while being capable of being injected with great precision.
  • the invention it is possible to manufacture diffusers capable of receiving and retaining nozzles up to pressures of at least 20 bars.
  • the nozzles used on diffusers provided with a nozzle housing forming a blind hole of the state of the art can be used in this new diffuser. It is therefore not necessary to have a stock of specific nozzles.
  • the invention adapts equally well to one-piece nozzles and to two-piece nozzles such as those described in the patent application PCT/EP2018/078705 .

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)
  • Pressure Vessels And Lids Thereof (AREA)
  • Closures For Containers (AREA)
  • Nozzles (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Devices For Medical Bathing And Washing (AREA)

Claims (10)

  1. Diffusor für einen Druckbehälter, wobei der Diffusor mit einem Auslasskanal (30, 30') versehen ist, der in eine Düsengehäuse (32) mündet, die dazu bestimmt ist, eine mit einem Haltering (43) versehene Düse (40) aufzunehmen und zu halten, wobei die Düsengehäuse (32) eine rohrförmige Wand (34) umfasst, die sich um eine Achse (A) erstreckt und die an ihrem dem Auslasskanal gegenüberliegenden Ende nach außen offen ist, wobei die rohrförmige Wand (34) in einem Abstand von ihrem nach außen offenen Ende mit einer Auflagefläche (341) versehen ist, die sich über mindestens einen Teil ihres Umfangs erstreckt und hinter der mindestens ein Teil des Halterings (43) einer in die Düsenaufnahme eingeführten Düse in Eingriff kommen kann, dadurch gekennzeichnet, dass sich die Auflagefläche (341) nur über einen Winkelabschnitt des Umfangs der rohrförmigen Wand (34) erstreckt, wobei sich die rohrförmige Wand (34) gegenüber ihrem offenen Ende in den zur Auflagefläche komplementären Winkelabschnitt durch einen Fortsatz (342) verlängert, der so konfiguriert ist, dass der Teil des Halterings (43) der Düse, der nicht mit der Auflagefläche (341) in Eingriff steht, durch Verformung des Fortsatzes in den Fortsatz einhaken kann.
  2. Diffusor nach Anspruch 1, dadurch gekennzeichnet, dass die Auflagefläche (341) durch mindestens einen Winkelabschnitt einer Fläche mit einer Rotationssymmetrie in Bezug auf die Achse (A) gebildet ist.
  3. Diffusor nach Anspruch 2, dadurch gekennzeichnet, dass die Auflagefläche im Wesentlichen radial zur Achse (A) ist.
  4. Diffusor nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass Dichtungsmittel zwischen dem Düsengehäuse (32) und einer in das Gehäuse eingeführten Düse (40) vorgesehen sind, wobei sich diese Dichtungsmittel von der Wechselwirkung zwischen dem Haltering (43) der Düse und der rohrförmigen Wand (34) des Düsengehäuses unterscheiden.
  5. Diffusor nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Auslasskanal an seinem in die Düsengehäuse (32) mündenden Ende (312) mit einem Zapfen (33) versehen ist, der dazu bestimmt ist, in eine entsprechende Aussparung (45) einer Düse (40) einzudringen.
  6. Diffusor nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass der Querschnitt des Zapfens (33) so bemessen ist, dass er größer ist als der Querschnitt der Aussparung (45) einer Düse, für die er bestimmt ist, so dass er, wenn eine Düse (40) in der Düsengehäuse angeordnet ist, wobei der Zapfen in die Aussparung eindringt, eine ringförmige Oberfläche (35) erzeugen kann, die an der Grenzfläche zwischen dem Zapfen und der Düse abgedichtet ist.
  7. Diffusor nach einem der Ansprüche 5 oder 6, dadurch gekennzeichnet, dass der Zapfen (33) in das Düsengehäuse (32) hineinragt, so dass seine Stirnfläche (331) axial näher am offenen Ende der rohrförmigen Wand (34) liegt als die Auflagefläche (341).
  8. Diffusor nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Querschnitt der rohrförmigen Fläche (34) und/oder der Querschnitt des Zapfens (33) kreisförmig sind.
  9. Diffusor nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass eine Düse (40) mit einem Haltering (43) in die Düsengehäuse eingeführt ist, wobei ein Teil des Halterings (43) hinter die Auflagefläche (341) eingreift.
  10. Diffusor nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass der Teil des Halterings (43) der Düse, der nicht mit der Auflagefläche (341) in Eingriff steht, durch Verformung seines Fortsatzes (342) an der rohrförmigen Oberfläche (34) eingehakt ist.
EP20713816.5A 2019-04-10 2020-03-27 Spender für druckbehälter Active EP3953050B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1903844A FR3094970B1 (fr) 2019-04-10 2019-04-10 Diffuseur pour récipient sous pression
PCT/EP2020/058829 WO2020207831A1 (fr) 2019-04-10 2020-03-27 Diffuseur pour récipient sous pression

Publications (3)

Publication Number Publication Date
EP3953050A1 EP3953050A1 (de) 2022-02-16
EP3953050B1 true EP3953050B1 (de) 2023-10-11
EP3953050C0 EP3953050C0 (de) 2023-10-11

Family

ID=67810786

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20713816.5A Active EP3953050B1 (de) 2019-04-10 2020-03-27 Spender für druckbehälter

Country Status (8)

Country Link
US (1) US11745191B2 (de)
EP (1) EP3953050B1 (de)
AR (1) AR118645A1 (de)
BR (1) BR112021020228A2 (de)
CA (1) CA3127976A1 (de)
FR (1) FR3094970B1 (de)
MX (1) MX2021012377A (de)
WO (1) WO2020207831A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240122820A1 (en) 2022-10-17 2024-04-18 The Procter & Gamble Company Aerosol Personal Care Products

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2767023A (en) 1956-03-27 1956-10-16 Risdon Mfg Co Spray nozzles
DE1166225B (de) * 1958-09-19 1964-03-26 Goldwell Gmbh Einrichtung zum Abfuellen und Zerstaeuben von Aerosolen, insbesondere fuer kosmetische Zwecke
US4071196A (en) * 1975-08-28 1978-01-31 Vca Corporation Aerosol valve tip and insert assembly
US4583692A (en) * 1984-02-24 1986-04-22 Revlon, Inc. Self-cleaning actuator button for dispensing liquids with particulate solids from a pressurized container or by piston pump
FR2688711A1 (fr) * 1992-03-20 1993-09-24 Oreal Buse de distribution.
US5992765A (en) * 1998-04-24 1999-11-30 Summit Packaging Systems, Inc. Mechanical break-up for spray actuator
KR200463141Y1 (ko) * 2010-12-20 2012-10-18 (주)아모레퍼시픽 복수 개의 분사 노즐을 구비하는 분사장치
US9120109B2 (en) * 2012-02-29 2015-09-01 Universidad De Sevilla Nozzle insert device and methods for dispensing head atomizer
FR2994866B1 (fr) 2012-09-04 2019-08-23 Aptar France Sas Tete de pulverisation de produit fluide et distributeur comprenant une telle tete de pulverisation.
US10370177B2 (en) * 2016-11-22 2019-08-06 Summit Packaging Systems, Inc. Dual component insert with uniform discharge orifice for fine mist spray
US10940493B2 (en) * 2018-07-26 2021-03-09 S. C. Johnson & Son, Inc. Actuator and nozzle insert for dispensing systems

Also Published As

Publication number Publication date
BR112021020228A2 (pt) 2021-12-07
CA3127976A1 (fr) 2020-10-15
FR3094970B1 (fr) 2022-12-23
WO2020207831A1 (fr) 2020-10-15
EP3953050A1 (de) 2022-02-16
MX2021012377A (es) 2021-11-04
FR3094970A1 (fr) 2020-10-16
US20220143629A1 (en) 2022-05-12
EP3953050C0 (de) 2023-10-11
US11745191B2 (en) 2023-09-05
AR118645A1 (es) 2021-10-20

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