EP0755877B1 - Zweikammerbehälter mit verjüngtem Innenbehälter - Google Patents
Zweikammerbehälter mit verjüngtem Innenbehälter Download PDFInfo
- Publication number
- EP0755877B1 EP0755877B1 EP96112196A EP96112196A EP0755877B1 EP 0755877 B1 EP0755877 B1 EP 0755877B1 EP 96112196 A EP96112196 A EP 96112196A EP 96112196 A EP96112196 A EP 96112196A EP 0755877 B1 EP0755877 B1 EP 0755877B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- container
- inner container
- outer container
- double chamber
- opening
- 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
Links
Images
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
- B65D83/60—Contents and propellant separated
- B65D83/62—Contents and propellant separated by membrane, bag, or the like
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
- Y10T29/49879—Spaced wall tube or receptacle
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
- Y10T29/49908—Joining by deforming
- Y10T29/49925—Inward deformation of aperture or hollow body wall
- Y10T29/49927—Hollow body is axially joined cup or tube
Definitions
- the present invention relates to a method for manufacturing a two-chamber container for a pressure valve can, how to dispense flowable products, in particular solvent-based or cosmetic fluids, is used with a single or multi-part, metallic Outer container and a compressible metallic Inner container in accordance with claim 1, such as the application of this method according to claim 6, one by this procedure manufactured two-chamber container in accordance with claim 9 and its use in Pressure valve cans according to claim 16.
- Such two-chamber containers are now used in approximately 2% of the approximately 6 Used and used billions of spray cans worldwide have especially for the storage and delivery of the different products proven.
- Cans where that Blowing agent is separated from the contents in the following two-chamber cans are of increasing importance.
- the used in such two-chamber cans and usually flammable propellant, e.g. butane, propane, etc. is retained in the two-chamber container and so that can be disposed of, on the other hand allow such Cans also compressed gases, especially air, nitrogen, Carbon dioxide, etc. to use which the bottled Products would change chemically if they were come into contact with the product.
- Metallic containers are for the production of such two-chamber cans is particularly suitable and known from DE-38'08'438 or EP-17'147.
- These two-chamber boxes are either multi-part, i.e. out a rigid cylindrical shell part, a bottom part, a container lid (dome) and a soft, metallic one Inner container, or two parts, i.e. from a one-piece and butted outer container and a soft, metallic Inner container built. Show cans with this type various difficulties. So at the use of different metals, e.g. tinplate in combination with aluminum, at the connection points undesirable bimetal effects occur and are therefore special measures required.
- the adhesives used are not universal suitable for every product and must have an additional one Protective covering can be provided. Last but not least, welding can or other metallic joining methods with the container parts made as thin as possible undesirable deformations and weak points that do not meet the high pressure security requirements.
- the inventive Process for producing such a double-walled Container is essentially characterized by that in an outer container, a preformed, i.e. in the essentially a tapering towards the container opening, Inner container inserted and attached to the outer container becomes.
- the collapsible Inner container pre-shaped so that it Area of a contact surface frictionally with the outer container connected is.
- the inner container is in a first process step tapered regardless of the outer container and in the event of a one-piece outer container, in a further process step in the essentially still cylindrical outer container introduced and positioned so that this at the further shaping of the outer container is not deformed. So this is on the one hand by a suitable dimensioning and shaping of the inner container and on the other hand through a special positioning the same in the outer container. After deformation of the outer container, the inner container is in its End position pushed and then connected to the outer container.
- the inner container a cylindrical neck section that fits into a also inserted cylindrical neck part of the outer container is.
- the opening edge is used for mutual attachment of the outer container flanged inwards so that an inwardly open annular groove is created, in which the opening edge of the preformed inner container inserted and together with the groove-shaped flaring of the Outer container can be rolled up further.
- the opening edge of the inner container is deformed inwards, to nestle into the groove-shaped flare To create a ring surface.
- the neck portion of the Inner container dimensioned and shaped so that its Opening edge in the end position of the insertion process after Inside or outside rolled edge of the outer container towered over. In a further process step, this is part of the inner container protruding beyond the outer container laid the rolled edge of the outer container.
- the inner container have a particularly shaped area in contact with the outer container the end position of the inner container determined.
- the cylindrical neck section lies of the inner container frictionally in the cylindrical neck area of the outer container.
- any part of the inner or outer container in a frictional Are in contact with the other container and the Inner and outer containers in a fixed position to each other hold, i.e. special holding devices are unnecessary do.
- the inventive Manufacturing process becomes a multi-part outer container used, the bottom part or cover part (dome) still is not attached to the jacket part.
- the inner container will again deformed independently of the outer container and then inserted into the jacket part.
- the Inner container are inserted on the bottom until the Opening edge of the tapered inner container in the outer container opening to be attached there become.
- the outer container points one outwards flared opening edge, the inner container is like this designed so that it protrudes through this opening edge and after a suitable deformation over it Opening edge can be placed.
- Another advantage is the fact that the for the Propellant space as small as necessary can be kept and thus for the outer container required can material can be minimized.
- Figure 1a shows a two-chamber container of known type with a two-part outer container 2.
- This includes one essentially cylindrical container body 3 and one cover part placed on top (dome part).
- an inner container 5 is inserted in the container body 3 of the outer container.
- Inner container 5, container body 3 and cover part (not shown) are in a connection zone 6 with each other connected.
- a fumigation opening 9 is provided, which sealed pressure-tight with an elastic stopper can be.
- an adhesive and sealant 11 is provided.
- the outer container 2 has a total volume of 171 ml
- the inner container 5 at the Use of LPG as a blowing agent has a volume of 120 ml.
- compressed Gas as a blowing agent, such as air, must be the volume of the product can be further reduced.
- the two-chamber container shown in Figure 1b has one one-piece outer container 2 with a butted shoulder area 12 on.
- the diameter of the outer container opening 13 corresponds to the diameter of one for the closure of the two-chamber container provided valve part.
- an inner container 5 is inserted, whose opening edge on the opening edge 13 of the outer container 2 rests.
- the inner container has a volume of approx. 80 ml, while the total volume of the outer container is 175 ml is. So the ratio between Filling volume and blowing agent volume 80:95, instead at most 60:40.
- FIG. 2a A method according to the invention is shown schematically in FIG. 2a shown.
- the inner container 5 is in one first process step independent of the outer container 2 preformed, especially tapered, the diameter the inner container opening 14 the diameter of the one Adjusted valve part closable outer container opening 13 becomes.
- the edge of the inner container opening 14 an inward Butt surface 15.
- the inner container preformed in this way is in the cylindrical Shell part 3 of the outer container 2 introduced and on Bottom part of the outer container held. This can be pneumatic happen through the bottom hole 9.
- On a contact zone 16 is formed on the inner container 5, which with the outer container 2 a frictional connection comes in.
- the formation of the usually annealed and thin inner container 5 can be used with all suitable Process and in particular with that in metal processing known push or pull technology.
- the outer container 2 further processed. This further editing depends on the structure of the outer container, i.e. looks at a one-piece outer container 2, the formation of a can shoulder 12 before, resp. includes applying a floor and / or Lid part in the case of a multi-part outer container.
- the opening edge of the one-piece Outer container 2 an inward, groove-shaped flange 17.
- the preformed inner container 5 is in the prepared Outer container 2 pushed so that the opening edge of the preformed inner container 5 at the opening edge of the outer container 2 is present.
- the containers so positioned are done individually in one or more process steps or deformed together inwards or outwards and then in one or more further steps with each other connected. It goes without saying that with a multi-part Container with dome, the preformed inner container in front of the Inserting the inner container into the cylindrical shell part, this is first connected to the dome-shaped cover part becomes. It is also understood that the inner container in this case can also be dimensioned differently and can in particular have the same length, like the outer container. In a last step is a flowable adhesive and through the bottom opening 9 Sealant 11 introduced.
- Fig. 2b differs of the method just described only in that the External container with a closed inside or Outside facing is provided and the inner container pushed through the opening of the outer container will look for a suitable expansion of its Edge section is placed on this flare.
- Figures 3a and 3b show one according to the invention Process produced two-chamber container, which in a preferred embodiment a filling volume of 130 ml and an outer container volume of 175 ml. This allows a relationship between product and Reach blowing agent by 70:30.
- rejuvenated Inner containers can be both 1-piece and also multi-part two-chamber container for pressure valve sockets manufactured in the same way with a large volume of product become.
- the method according to the invention allows to produce cans with a large volume for the first time, at which the outer diameter regardless of the diameter of the final valve part can be selected.
- the inner container can be provided with an inner protective covering, as is customary for the packaging of medicaments, foods or cosmetic products .
- the bottom part of the inner container can be specially shaped, for example to simplify the manipulation of the inner container through the bottom opening of the outer container or to influence the collapse behavior of the entire inner container.
- one or more depressions can be provided in the base part, the base part as a whole can converge or be provided with a cone-shaped protuberance.
Description
Ebenso kann der Bodenteil des Innenbehälters besonders geformt sein, um bspw. die Manipulation des Innenbehälters durch die Bodenöffnung des Aussenbehälters zu vereinfachen oder das Kollabierverhalten des gesamten Innenbehälters zu beeinflussen. Beispielsweise können eine oder mehrere Vertiefungen im Bodenteil vorgesehen sein, kann der Bodenteil als Ganzes konisch zusammenlaufen oder mit einer zapfenförmigen Ausstülpung versehen sein.
Claims (16)
- Verfahren zur Herstellung eines Zweikammerbehälters für eine mit einem Ventilteil verschliessbare Druckventil-Dose, wie sie zur Abgabe von fliessfähigen Produkten, insbesondere lösungsmittelhaltigen oder kosmetischen Fluiden, verwendet wird, welcher Zweikammerbehälter einen ein- oder mehrteiligen, metallischen Aussenbehälter (2) und einen komprimierbaren metallischen Innenbehälter (5) aufweist, wobei der Innenbehälter (5) unabhängig vom Aussenbehälter (2) verjüngt wird und der derart vorgeformte Innenbehälter (5) öffnungsseitig oder bodenseitig in den zylindrischen Mantelteil (3) des Aussenbehälters (2) eingebracht wird, der Innenbehälter (5) so dimensioniert und im Aussenbehälter (2) so positioniert wird, dass der Aussenbehälter (2) weiter bearbeitet werden kann, insbesondere der zylindrische Mantelteil (3) mit einem Bodenteil und/oder einem Deckelteil oder einer Dosenschulter (12) versehen werden kann, ohne dabei den Innenbehälter (5) zu deformieren, der Aussenbehälter (2) in vorgesehener Weise bearbeitet wird und der Innenbehälter (5) und der Aussenbehälter (2) miteinander verbunden werden, dadurch gekennzeichnet, dass der Innenbehälter (5) so verformt wird, dass der Durchmesser der Innenbehälter-offnung (14) dem Durchmesser der mit dem Ventilteil verschliessbaren Aussenbehälteröffnung (13) entspricht und der Innenbehälter (5) im Bereich einer Kontaktzone (16) reibschlüssig im Aussenbehälter (2) gehalten wird.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass der Innenbehälter (5) in eine Endlage geschoben wird, bei welcher der Öffnungsrand des vorgeformten Innenbehälters (5) in oder auf den Öffnungsrand des Aussenbehälters (2) zu liegen kommt.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass der Öffnungsrand des vorgeformten Innenbehälters (5) und der Öffungsrand des Aussenbehälters (2) in einem oder mehreren ersten Schritten einzeln oder gemeinsam nach innen oder nach aussen verformt und in einem oder mehreren zweiten Schritten miteinander verbunden werden.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass der Öffnungsrand des Innenbehälters (5) flanschartig verformt wird und diese Verformung in eine nach innen offenen Bördelung (17) des Aussenbehälters (2) oder auf eine Innen- oder Aussenbördelung des Aussenbehälters (2) in Anschlag gebracht wird.
- Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass zur druckfesten Abdichtung ein fliessfähiges Haft- und Dichtungsmittel (11) zwischen Innenbehälter (5) und Aussenbehälter (2) eingebracht wird und/oder ein elastisches Dichtungsmittel zwischen Öffnungsrand und Ventildeckel vorgesehen ist.
- Anwendung der Metalldrück- oder Metalleinziehtechnik zum Vorformen resp. zum Verjüngen eines metallischen Behälters, bspw. eines Behälters aus Aluminium, zur Durchführung des Verfahrens nach Anspruch 1.
- Anwendung nach Anspruch 6 auf Behälter aus weichgeglühtem Aluminium.
- Anwendung nach einem der Ansprüche 6 oder 7 auf Behälter mit Innenlackierung.
- Zweikammerbehälter hergestellt nach dem Verfahren gemäss Anspruch 1, welcher Zweikammerbehälter einen ein- oder mehrteiligen, metallischen Aussenbehälter (2) und einen komprimierbaren Innenbehälter (5) aufweist, wobei der Innenbehälter (5) unabhängig vom Aussenbehälter (2) verjüngt ist und der Öffnungsrand des Innenbehälters (5) am Öffnungsrand des Aussenbehälters (2) anliegt und diese in einer Verbindungszone miteinander verbunden sind, dadurch gekennzeichnet, dass der Durchmesser der Öffnung des vorgeformten Innenbehälters dem Durchmesser der Aussenbehälter öffnung entspricht und dass der Innenbehälter (5) im Bereich einer Kontaktzone (16) reibschlüssig an einer Gegenfläche des Aussenbehälters (2) anliegt.
- Zweikammerbehälter nach Anspruch 9, dadurch gekennzeichnet, dass ein Bereich des Innenbehälters (5) an den Aussenbehälter (2) anstösst.
- Zweikammerbehälter nach einem der Ansprüche 9 oder 10, dadurch gekennzeichnet, dass der Innenbehälter (5) aus weichgeglühtem Aluminium besteht.
- Zweikammerbehälter nach einem der Ansprüche 9 bis 11, dadurch gekennzeichnet, dass die Innenseite des Innenbehälters (5) mit einem Schutzbelag, bspw. einer Lackierung versehen ist.
- Zweikammerbehälter nach einem der Ansprüche 9 bis 12, dadurch gekennzeichnet, dass der vorgeformte Innenbehälter (5) gedrückt oder eingezogen ist.
- Zweikammerbehälter nach einem der Ansprüche 9 bis 13, dadurch gekennzeichnet, dass zur druckfesten Abdichtung zwischen Innenbehälter (5) und Aussenbehälter (2) ein Haft- und Dichtungsmittel, insbesondere ein auf Epoxybasis beruhendes Haft- und Dichtungsmittel, vorgesehen ist und/oder ein elastisches Dichtungsmittel zwischen Öffnungsrand und Ventildeckel eingesetzt ist.
- Zweikammerbehälter nach Anspruch 14, dadurch gekennzeichnet, dass der mit dem Haft- und Dichtungsmittel versehene Bereich zwischen Innenbehälter (5) und Aussenbehälter (2) ausserhalb der Verbindungszone liegt.
- Druckventil-Dose mit einem Zweikammerbehälter nach einem der Ansprüche 9 bis 15.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH2210/95 | 1995-07-28 | ||
CH221095 | 1995-07-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0755877A1 EP0755877A1 (de) | 1997-01-29 |
EP0755877B1 true EP0755877B1 (de) | 1999-03-24 |
Family
ID=4228457
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96112196A Expired - Lifetime EP0755877B1 (de) | 1995-07-28 | 1996-07-29 | Zweikammerbehälter mit verjüngtem Innenbehälter |
Country Status (3)
Country | Link |
---|---|
US (1) | US5964021A (de) |
EP (1) | EP0755877B1 (de) |
DE (1) | DE59601486D1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19746018C2 (de) * | 1997-10-17 | 2000-12-21 | Lechner Gmbh | Verfahren zur Herstellung einer Zweikammerdruckpackung und Vorrichtung zur Durchführung des Verfahrens |
US6065300A (en) * | 1999-02-08 | 2000-05-23 | Anthony; Michael M. | Self-cooling container with internal beverage vessel having a vessel wall with reversible wall bulges |
AU7264700A (en) | 1999-09-21 | 2001-04-24 | Hans F. Stoffel | Two-chamber container and method for gassing the same |
FR2820127B1 (fr) | 2001-01-30 | 2003-08-01 | Pechiney Emballage Alimentaire | Poche et boitier muni de cette poche permettant d'obtenir un distributeur a taux de restitution ameliore |
US7575133B2 (en) * | 2003-10-06 | 2009-08-18 | Crown Cork & Seal Technologies Corporation | Bi-can having internal bag |
US20120037646A1 (en) * | 2009-04-23 | 2012-02-16 | Paul Robert Dunwoody | Double walled container and method of manufacture |
GB2525226B (en) * | 2014-04-16 | 2020-07-29 | Presspart Mfg Ltd | Metered dose inhaler canister and shroud |
US20160058155A1 (en) | 2014-09-02 | 2016-03-03 | HCT Group Holdings Limited | Container with dispensing tip |
US10485939B2 (en) | 2015-10-01 | 2019-11-26 | Presspart Manufacturing Limited | Metered dose inhaler canister and shroud |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4117951A (en) * | 1975-05-07 | 1978-10-03 | Cebal | Aerosol dispenser liner |
DE2912670A1 (de) * | 1979-03-30 | 1980-10-09 | Lechner Gmbh | Zweikammer-druckdose zur abgabe eines fuellgutes |
DE3808438A1 (de) * | 1987-10-06 | 1989-04-20 | Karl Galia | Geraet zur aufnahme und abgabe von fluessigen und pastoesen massen |
DE3802314C1 (de) * | 1988-01-27 | 1989-10-26 | Stoffel, Gerd, 7750 Konstanz, De | |
EP0499766B1 (de) * | 1991-02-19 | 1994-12-14 | Präzisions-Werkzeuge AG | Behälter für druckfeste Dosen und Verfahren zur Herstellung desselben |
-
1996
- 1996-07-26 US US08/686,573 patent/US5964021A/en not_active Expired - Fee Related
- 1996-07-29 DE DE59601486T patent/DE59601486D1/de not_active Expired - Fee Related
- 1996-07-29 EP EP96112196A patent/EP0755877B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5964021A (en) | 1999-10-12 |
DE59601486D1 (de) | 1999-04-29 |
EP0755877A1 (de) | 1997-01-29 |
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