EP1441955B1 - Unlösbare befestigung einer abgabevorrichtung - Google Patents

Unlösbare befestigung einer abgabevorrichtung Download PDF

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Publication number
EP1441955B1
EP1441955B1 EP02788037A EP02788037A EP1441955B1 EP 1441955 B1 EP1441955 B1 EP 1441955B1 EP 02788037 A EP02788037 A EP 02788037A EP 02788037 A EP02788037 A EP 02788037A EP 1441955 B1 EP1441955 B1 EP 1441955B1
Authority
EP
European Patent Office
Prior art keywords
neck
diameter
shoulder
skirt
wall
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.)
Expired - Lifetime
Application number
EP02788037A
Other languages
English (en)
French (fr)
Other versions
EP1441955A1 (de
Inventor
Franck Flecheux
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.)
Cebal Aerosol France
Original Assignee
Cebal Aerosol France
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 Cebal Aerosol France filed Critical Cebal Aerosol France
Publication of EP1441955A1 publication Critical patent/EP1441955A1/de
Application granted granted Critical
Publication of EP1441955B1 publication Critical patent/EP1441955B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65D83/38—Details of the container body
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1043—Sealing or attachment arrangements between pump and container
    • B05B11/1046—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container
    • B05B11/1047—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container the pump being preassembled as an independent unit before being mounted on the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
    • B65D1/0223—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by shape
    • B65D1/023—Neck construction
    • B65D1/0246—Closure retaining means, e.g. beads, screw-threads
    • 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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/12—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having removable closures
    • B65D47/127—Snap-on caps
    • B65D47/128—Snap-on caps with internal parts

Definitions

  • the invention relates to a substantially irreversible fastening system of a dispensing head on a metal housing, the assembly obtained to be unmountable and sealed.
  • a qualified assembly of inchtmontable is an assembly that requires an effort to separate it greater than a force close to 15 daN.
  • the dispensing head may simply be a head allowing the product contained in the metal casing to be dispensed through a small diameter orifice (for example: drip dispenser head, dispenser head with cap fitted with a plug, etc. ..). It can also be more complex; for example, it may be provided with a ball dispenser or a sprayer. But whatever the dispensing device used, the head is characterized in that it is made of plastic and has an outer skirt attachment and an inner skirt sealing, concentric and attached to the same base.
  • Products intended to be stored and distributed in such assemblies are in particular products intended for food, cosmetic, pharmaceutical (dermatological, ophthalmic, etc.) applications or even perfumery products.
  • FR 2 762 589 discloses fluid product dispensing devices comprising a head attached to a container by means of a flange (referenced 3 in FR 2 762 589) provided with a sealing skirt and a cylindrical outer hooking skirt, itself provided with a snap-fitting bead which makes it possible to fix, by simple depression, the said head on the substantially cylindrical neck of a container.
  • the flange is surmounted by a housing for collecting a pump (referenced 4 in FR 2 762 589).
  • a fastening system such as that described in FR 2 762 589 is well suited for glass bottles and plastic housings. It is possible to see in FIG. 1 a glass vial 1 equipped with a flange 3 provided with an orifice 8 through which, for example, the cylindrical body of a pump passes. Its neck 2 has a shoulder 4 on its outer wall which allows to trap a bead 5 disposed on the inner wall of the outer attachment skirt 6 of the collar. The neck is trapped between the external hooking skirt and the sealing skirt 7. The dispensing device is thus held firmly on the neck of the bottle with the aid of the bead which, after pressing the collar on the neck, comes to fold down on a diameter smaller than that of the shoulder formed on the external wall of the neck.
  • the open end of the metal container, stamped or stamped, may be in the form of a cylindrical chimney straight or slightly conical with or without its end of a rolled edge.
  • a neck in the form of a generally cylindrical straight chimney is retained, it is possible to make a latching groove on the outer wall which has a shape complementary to that of the snap-fitting bead of the flange, but the flange remains easy to separate from the neck.
  • the thickness of the metal case being smaller than that of the glass bottle or the plastic housing, the assembly obtained is not waterproof. It is necessary either to make a specific collar, or to use the collars also intended for the glass and plastic containers and to add an O-ring made of elastomer.
  • the packaged product is a product intended for pharmaceutical or food applications and it is necessary to make numerous compatibility tests with the elastomer chosen for the seal. Whatever the solution envisaged, it increases the manufacturing cost of the assembly unacceptably.
  • the metal makes it possible to obtain packages that are less fragile, less weighty and less expensive than glass containers and that form a better barrier to the diffusion of gases and flavors and a better barrier to light than plastic containers.
  • the Applicant has therefore sought to achieve under economically satisfactory conditions a fastening system of a dispensing head on a metal casing making the assembly indémontable and sealed, said head being made of plastic, having an outer hanging skirt and a internal skirt sealing, concentric and attached to the same base.
  • this head can be mounted indifferently on glass, plastic or metal containers.
  • the neck is thus trapped between the outer skirt and the sealing skirt and the dispenser is held firmly on the neck of the housing with the aid of the bead which, after driving the collar on the neck, comes down to a smaller diameter to that of the shoulder formed on the wall of the neck.
  • the end of the rolled edge has a diameter close to the inner diameter of the outer skirt of the collar.
  • it is preferably always lower so as to limit the driving force of the head on the neck by minimizing the friction force acting on said outer skirt, which allows better control of the latching force .
  • it must remain between 20 and 40 daN with driving speeds of the dispensing head on the housing reaching 2000 mm / min.
  • the wall of the neck has a thickness close to that of the rest of the container, which allows for containers lighter than glass containers. Despite its small thickness, the metal wall has mechanical characteristics superior to those of plastic containers.
  • the metal of the housing can be either steel or preferably an aluminum alloy. Such a geometry can be obtained by one or more stamping, stamping, stamping, spinning, embossing and / or rolling steps.
  • a cylindrical chimney is made by shrinking the open end of a cylindrical blank obtained either by stamping and drawing (steel or aluminum alloy) or by impact spinning (aluminum alloy).
  • This cylindrical chimney has an outer diameter equal to that of said first substantially cylindrical portion.
  • this cylindrical chimney undergoes an additional necking to obtain the substantially frustoconical portion and a new cylindrical chimney of smaller diameter, from which the rolled edge is produced.
  • the shoulder and the second substantially cylindrical portion are for example made by knurling.
  • One or more knobs are applied to the outer surface of the chimney.
  • the one (s) performs a planetary movement around the chimney. This provides a shoulder that has a sharp angle, that is to say with a leave whose radius is less than 0.2 mm. In this way, the snap-fastening of the bead of the outer skirt is effective and ensures the impossibility of easily dismantling the dispensing head (extraction force greater than 15 daN).
  • Sealing is ensured by the contact of the inside of the rolled edge against the sealing skirt while the neck is trapped between said sealing skirt and the outer skirt.
  • the liquid tightness is ensured and there is no need to put an elastomeric O-ring.
  • the metal case can be covered with a varnish on its inner wall.
  • the different stamping and knurling passes described above make it possible to shape the neck without damaging the varnish.
  • the edge is rolled outwards: in this way, there is no contact of the liquid product with the bare edge of the wall of the housing, there is therefore no risk of corrosion of said housing or, more generally , of chemical reaction between the container and the contents.
  • FIG. 1 isolates the container and its fastening flange as can be seen in the figure of FR 2 762 589. Such a container can be obtained under economically satisfactory conditions only if it is made of glass or plastic .
  • FIG. 2 illustrates the example set out below which corresponds to a particular and non-limiting embodiment of the invention.
  • FIG. 2a shows a half-front view and a diametrical half-section of a metal case according to the invention.
  • Figure 2b shows a section of the enlarged housing at the neck.
  • FIG 2 shows a housing according to the invention to be surmounted by a flange such as that illustrated in Figure 1.
  • a flange such as that illustrated in Figure 1.
  • it is made of aluminum alloy designated 1050 according to the designation Aluminum Association.
  • the neck 12 is thus trapped between the external attachment skirt 6 and the sealing skirt 7.
  • the dispensing device is held firmly on the neck 12 of the housing by means of the bead 5 which, after pressing the collar 3 on the neck 12, comes down on a smaller diameter than that of the shoulder 20 formed on the wall of the neck.
  • the end 22 of the rolled edge 16 has a diameter 15.1 mm, close to the internal diameter of the outer fastening skirt 6 of the flange 3 (15.3 mm) but smaller than the latter so as to limit the force of driving the head on the neck by minimizing the friction force acting on the external attachment skirt 6.
  • a cylindrical chimney is made by shrinking the open end of a cylindrical blank of diameter 24 mm obtained by impact spinning of an aluminum alloy peg 1050.
  • This cylindrical chimney has an external diameter 16 mm equal to that of the first substantially cylindrical portion 18. Then, the cylindrical chimney undergoes an additional necking to obtain the substantially frustoconical portion 17 and a new cylindrical chimney of smaller diameter, from which the rolled edge 16 is made.
  • the shoulder 20 and the second substantially cylindrical portion 19 are obtained by knurling.
  • the penetration of the polypropylene flange is performed by requiring a latching force between 20 and 40 daN, the driving speed up to 2000 mm / min.
  • the tearing force after holding the assembly for 7 days at 48 ° C. is always greater than 15 daN.
  • the sealing is ensured by the contact of the inside 21 of the rolled edge 16 against the sealing skirt 7 while the neck 12 is trapped between said sealing skirt and the external attachment skirt 6.
  • the test of sealing consists of filling the housing 10 of colored alcohol, to provide a collar 3 not provided with a hole 8.
  • Such an aluminum alloy case is usually covered with a phenolic epoxy varnish or an organosol varnish on its inner wall.
  • a phenolic epoxy varnish or an organosol varnish on its inner wall.
  • the deposition of the varnish is preferably carried out before shaping the neck. The different steps used for the shaping of the neck, described above, make it possible not to damage the varnish.
  • this metal case also has a very good resistance to vertical compression, the limit force being much greater than twice the maximum latching force (80 daN).
  • the distributor presents, with its metallic case, a set of advantages which can not be obtained with containers in glass or in plastic material: it is indeed with the unbreakable, lightweight, while offering a perfect barrier to light and the diffusion of gases and perfumes.
  • the collar of the housing made according to the invention can marry a geometry capable of adapting to the standard collars used elsewhere with containers of glass or plastic.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Closures For Containers (AREA)
  • Casings For Electric Apparatus (AREA)
  • Paper (AREA)
  • Formation And Processing Of Food Products (AREA)

Claims (5)

  1. Metallgehäuse (10) mit einer Seitenwandung (11) und einem mit der Seitenwandung über eine Schulter (13) verbundenen Hals (12), welcher irreversibel und vollkommen flüssigkeitsdicht mit einem Spenderkopf verbunden werden soll, wobei der Spenderkopf einen Bördelflansch (3) aus Kunststoff mit einem Dichtmantel (7) und einem äußeren Befestigungsmantel (6) aufweist, welcher selbst mit einem Rastwulst (5) auf seiner Innenwandung versehen ist, dadurch gekennzeichnet, dass der Hals eine Wandung hat, deren Dicke weitgehend der Dicke der Schulter und der Seitenwandung entspricht, und dass er von seinem offenen Ende bis zu seiner Verbindung mit der Schulter folgende Abschnitte aufweist:
    - ein offenes Ende (14) in Form einer Öffnung, welche von einem nach außen gerichteten Bördelrand (16) umgeben ist, wobei der minimale Innendurchmesser des Halses dem Außendurchmesser des Dichtmantels entspricht oder geringfügig kleiner ist;
    - eine weitgehend kegelstumpfförmige Schulter (17), welche das mit dem Bördelrand versehene offene Ende mit einem weitgehend zylindrischen ersten Abschnitt (18) verbindet;
    - einen weitgehend zylindrischen ersten Abschnitt (18), dessen Außendurchmesser geringfügig größer ist als der der Innenwandung des äußeren Befestigungsmantels (6) des Bördelflansches;
    - einen weitgehend zylindrischen zweiten Abschnitt (19), dessen Außendurchmesser kleiner ist als der des weitgehend zylindrischen ersten Abschnitts (18), wobei die Differenz der Durchmesser größer ist als zwei radiale Höhen des Rastwulstes (5);
    - wobei der weitgehend zylindrische erste Abschnitt (18) und der weitgehend zylindrische zweite Abschnitt (19) durch einen Absatz (20) voneinander getrennt sind, welcher in einem solchen Abstand vom offenen Ende liegt, dass der Rastwulst nach erfolgtem Aufpressen des Bördelflansches auf den Hals auf einem kleineren Durchmesser als der des weitgehend zylindrischen Abschnitts (18) zu liegen kommt.
  2. Metallgehäuse (10) nach Anspruch 1, bei dem das Ende (22) des Bördelrandes einen kleineren Durchmesser als der Innendurchmesser des Außenmantels des Bördelflansches (3) hat.
  3. Metallgehäuse (10) nach Anspruch 1 oder 2, bei dem der Absatz (20) eine scharfe Kante aufweist, d. h. mit einer Ausrundung, deren Radius kleiner als 0,2 mm ist.
  4. Metallgehäuse (10) nach irgendeinem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass seine Innenfläche mit einem Lack überzogen ist.
  5. Spendergehäuse, umfassend einen Behälter und einen am Gehäuse irreversibel und vollkommen flüssigkeitsdicht befestigten Spenderkopf, wobei der Spenderkopf einen Bördelflansch (3) aus Kunststoff mit einem Dichtmantel (7) und einem äußeren Befestigungsmantel (6) aufweist, welcher selbst mit einem Rastwulst (5) auf seiner Innenwandung versehen ist, dadurch gekennzeichnet, dass der Behälter ein Metallgehäuse (10) nach irgendeinem der Ansprüche 1 bis 4 ist.
EP02788037A 2001-11-07 2002-11-06 Unlösbare befestigung einer abgabevorrichtung Expired - Lifetime EP1441955B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0114415A FR2831874B1 (fr) 2001-11-07 2001-11-07 Fixation indemontable d'un dispositif de distribution sur un boitier metallique
FR0114415 2001-11-07
PCT/FR2002/003790 WO2003039975A1 (fr) 2001-11-07 2002-11-06 Fixation indemontable d'un dispositif de distribution

Publications (2)

Publication Number Publication Date
EP1441955A1 EP1441955A1 (de) 2004-08-04
EP1441955B1 true EP1441955B1 (de) 2006-09-06

Family

ID=8869162

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02788037A Expired - Lifetime EP1441955B1 (de) 2001-11-07 2002-11-06 Unlösbare befestigung einer abgabevorrichtung

Country Status (6)

Country Link
US (1) US6886722B2 (de)
EP (1) EP1441955B1 (de)
AT (1) ATE338692T1 (de)
DE (1) DE60214582D1 (de)
FR (1) FR2831874B1 (de)
WO (1) WO2003039975A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040045967A1 (en) 2002-09-11 2004-03-11 Becker Gordon P. Reclosable metal beverage can
US7726165B2 (en) * 2006-05-16 2010-06-01 Alcoa Inc. Manufacturing process to produce a necked container
US7934410B2 (en) * 2006-06-26 2011-05-03 Alcoa Inc. Expanding die and method of shaping containers
US20110011896A1 (en) * 2009-07-20 2011-01-20 Diamond George B Steel one-piece necked-in aerosol can
EP2605873B1 (de) 2010-08-20 2021-04-14 Alcoa USA Corp. Geformter metallbehälter und verfahren zu seiner herstellung
US9327338B2 (en) 2012-12-20 2016-05-03 Alcoa Inc. Knockout for use while necking a metal container, die system for necking a metal container and method of necking a metal container
USD762481S1 (en) 2014-04-11 2016-08-02 iMOLZ, LLC Oval shaped can
US20180170656A1 (en) * 2014-04-11 2018-06-21 iMOLZ, LLC Non-round metallic pressurized container and method of manufacturing same
JP6182234B2 (ja) * 2015-04-06 2017-08-16 武内プレス工業株式会社 ネジ付き金属容器

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9200027U1 (de) * 1992-01-03 1993-06-17 Tubex Gmbh Tuben- Und Metallwarenfabrik, 7456 Rangendingen, De
FR2762589B1 (fr) * 1997-04-28 1999-07-16 Sofab Flacon de distribution pour liquide, creme ou gel comportant un dispositif filtrant de l'air entrant
FR2764584B1 (fr) * 1997-06-13 1999-08-20 Valois Sa Distributeur de produit fluide a bague de fixation encliquetable
TW448120B (en) * 1999-11-26 2001-08-01 Takeuchi Press Metal container with thread
US6341706B1 (en) * 2000-06-01 2002-01-29 Color Access, Inc. Snap-on plastic neck for glass containers

Also Published As

Publication number Publication date
US6886722B2 (en) 2005-05-03
ATE338692T1 (de) 2006-09-15
FR2831874A1 (fr) 2003-05-09
US20040232176A1 (en) 2004-11-25
WO2003039975A1 (fr) 2003-05-15
DE60214582D1 (de) 2006-10-19
EP1441955A1 (de) 2004-08-04
FR2831874B1 (fr) 2003-12-19

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