EP0364527A1 - Recipient a deux cavites. - Google Patents

Recipient a deux cavites.

Info

Publication number
EP0364527A1
EP0364527A1 EP89903136A EP89903136A EP0364527A1 EP 0364527 A1 EP0364527 A1 EP 0364527A1 EP 89903136 A EP89903136 A EP 89903136A EP 89903136 A EP89903136 A EP 89903136A EP 0364527 A1 EP0364527 A1 EP 0364527A1
Authority
EP
European Patent Office
Prior art keywords
container
application nozzle
chamber
rotary cap
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.)
Granted
Application number
EP89903136A
Other languages
German (de)
English (en)
Other versions
EP0364527B1 (fr
Inventor
Karlheinz Zulauf
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.)
Kao Germany GmbH
Original Assignee
Goldwell AG
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
Priority claimed from DE19883812343 external-priority patent/DE3812343C2/de
Application filed by Goldwell AG filed Critical Goldwell AG
Publication of EP0364527A1 publication Critical patent/EP0364527A1/fr
Application granted granted Critical
Publication of EP0364527B1 publication Critical patent/EP0364527B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/32—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging two or more different materials which must be maintained separate prior to use in admixture
    • B65D81/3216—Rigid containers disposed one within the other
    • B65D81/3222—Rigid containers disposed one within the other with additional means facilitating admixture
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S215/00—Bottles and jars
    • Y10S215/08—Mixing

Definitions

  • the invention relates to a double-chamber container for receiving two separate filling components to be prepared for use-ready preparation prior to removal from the container, which are contained in two container chambers arranged one above the other in a container housing, the container chambers via one in the The upper side of the lower and the bottom wall of the upper container chamber opening passage channel are connected to each other, which is closed by a separating plug, which is displaceable ent by a plunger which can be displaced from the outside in a vertical direction into one of the container chamber, so that the filling components can flow together and with one another are miscible.
  • a measured quantity of a preparation to be immediately processed consisting of two preparation components that react with one another, can only be prepared immediately before use, because otherwise the preparation becomes unusable after longer reaction times for the intended purpose, the individual components are expediently separated from one another in such chambers Double-chamber container filled to ensure that the preparation contains the components in the prescribed proportions after processing. If one of the components is only present in a small amount in relation to the other component, as is often the case, for example, with pharmaceutical preparations, it is possible to place the chamber for the component of smaller amount in the closure of the container holding the other component to integrate.
  • active substance chamber closures which are known in many variations.
  • closures have become known in which the active ingredient has a tubular plunger element which acts as a punching tool for the pre-notched chamber bottom and which is pushed into the active ingredient chamber before the closure is removed from the main container and thereby the bottom of the active ingredient chamber punched out, which then falls into the main container.
  • the active ingredient component then also enters the main component and can be mixed with the main component by shaking or stirring with a suitable instrument. After the active ingredient chamber closure has been completely removed, the preparation can then be used. The problem becomes more difficult when the preparation has to be prepared from two components with comparable proportions, since then the chamber for the second component must inevitably have such a capacity that it can no longer be integrated into the container closure is.
  • Such cases can occur, for example, in the case of cosmetic preparations, for example the preparation of a ready-to-use hair color emulsion from the actual pasty color component and the liquid oxidizing agent (hydrogen peroxide), or else when liquid or pasty plastic resins are mixed with a hardener.
  • Another application is the packaging of certain liquid perms, which - because of the incompatibility of the individual components - may only be mixed with one another immediately before use, ie before the perm product is applied to the customer's hair.
  • double-chamber containers of the type mentioned at the outset have been developed (DE-OS 35 28 525), in which the two container chambers are manufactured separately and are then connected to one another before or after filling with the preparation components to form the overall container.
  • the separating stopper provided in the through-channel and closing the two chambers against one another can be pressed out of the through-channel into the upper container chamber by pressing in a plunger element with a handle that is accessible from the outside.
  • This well-known double-chamber container has basically been used for portioned filling and storage as well
  • the invention has for its object to provide a more simply constructed and therefore cheaper to manufacture double chamber container, which is simple and quick to manufacture and fill, while also ensuring an improved, secured against unintentional actuation of the plunger.
  • the plunger element is an elongated hollow nozzle, the cavity of which is connected to the separating stopper and extends through the upper container chamber to the open mouth of the hollow nozzle opens at the lower end through the separating plug into the lower container chamber and opens into an application opening at the upper end that the plunger element is provided on its outside with an external thread which is in engagement with a complementary mating thread which engages in one of the end walls of the the upper container chamber is at least partially overlapping, rotatably supported on it and sealing the rotary cap in the open top of the upper container chamber projecting cylindrical ring projection that the part of the end wall of the rotating cap lying within the ring projection is formed is that he crack while rotating the rotary cap in the sense of screwing in of the applicator in the Ringvor ⁇ wall by the free end of the applicator from the end face is pressed out, and in that the immediately plug at Trenn ⁇ subsequent section of the "applic
  • the ram element in the double-chamber container designed in this way is thus simultaneously designed as an application nozzle.
  • the separating plug can be removed from the passage channel as a result of the thread engagement with the application nozzle. are pulled, as a result of which the filling component contained in the upper container chamber • passes into the filling component contained in the lower container chamber and can be prepared for use by shaking the container with the ready-to-use preparation.
  • the free end of the applicator nozzle which is completely unscrewed from the upper container chamber, then protrudes from the rotary cap, whereby the preparation can only exit from the application opening of the applicator nozzle, since the rotary cap in the mouth of the upper container chamber and the applicator nozzle due to its complementary sealing surface of the ring projection lying on the rotary cap is sealed.
  • the separating plug can also be fed back into the passage channel by screwing back the application nozzle, and this can be closed if this is desired in the event of a temporary interruption in the application process.
  • the stop devices expediently have at least one shoulder projecting essentially radially from the separating stopper from the peripheral wall of the upper container chamber and at least one rib projecting inwards from the peripheral wall of the upper container chamber and extending essentially over its entire height, on which rib the radial extension of the separating plug creates a rotary movement.
  • the container is expediently produced in one piece from the blowing process from plastic.
  • an elastically malleable plastic and suitable dimensioning of the wall thickness of the container can then be achieved that the container can be elastically compressed for targeted and metered application of the prepared preparation.
  • the configuration can be such that the rotary cap completely overlaps the upper container chamber and has at its lower end at least one radially inwardly projecting locking cam that engages under the bottom wall of the upper container chamber. The rotary cap is then installed by simply snapping it on over the upper container chamber.
  • the rotary cap in turn is expediently injection molded from plastic, the part of the end wall which can be pressed out when the application nozzle is unscrewed from the rotary cap being an integral part of the rotary cap end wall which is enclosed by an annular circumferential predetermined breaking notch.
  • a sealing pin then expediently protrudes into the application opening of the application nozzle, which can then be inserted into its application opening even when the application process is temporarily interrupted and the application nozzle is screwed back Access to ambient air from the preparation can be avoided.
  • the separating plug and the application nozzle are also advantageously molded in one piece from plastic.
  • the sealing surfaces interacting in the completely unscrewed position of the application nozzle are preferably formed by essentially complementary cylindrical sealing surfaces on the application nozzle and in the ring projection of the rotary cap, the diameter of the sealing surface formed on the application nozzle being at least the same, preferably slightly larger than the inside diameter of the ring projection trained sealing surface.
  • the application nozzle has a conically tapering section at its end on the application opening side in front of the section provided with an external thread, such that a radially circumferential web projects from the inner wall of the ring projection to such an extent that the inside diameter remaining within the ring projection in the area of the web is approximately equal to or slightly smaller than " the core diameter of the external thread of the application nozzle, and that the web is already in a container chamber which is fitted with the intended purpose and is sealed off from one another by the separating plug below the thread-free, conical section of the application nozzle, the conical section at the free end of the joint occurs when the rotary cap is placed on the - filled - upper container chamber thus into the annular projection of the rotary cap and through the passage opening which remains free within the radially circumferential web, the beginning thread of the external thread of the application nozzle passing through the web at one point while deforming the web and the counter thread forms in the ring projection.
  • the end wall of the rotary cap is in a preferred development of the invention in the area provided on the inside Provide the ring projection with an opening, which is closed by a stopper that can be pushed out of the opening when the application nozzle is unscrewed.
  • the inside of the ring projection is thus accessible from both the top and the bottom of the rotating cap thus formed, which simplifies the design of the injection mold for the rotating cap, in particular in the region of the web to be produced within the ring projection.
  • Stopper is closed, a configuration is recommended in which projects from the inner surface of the stopper facing the application nozzle, a pin engaging in the application opening of the application nozzle, which prevents the unwanted escape of the filling component filled in the lower container chamber.
  • the sealing surface in the rotary cap which is complementary to the outer sealing surface of the separating plug and which, in the double-chamber container according to the main application, is formed in the ring projection provided with the complementary counter-thread, is now, in an expedient development of the invention, from the inner surface of a second, ring projection enlarged in diameter and projecting from the inside of the end wall of the rotary cap.
  • FIG. 1 shows a partially sectioned side view of the upper part of a double-chamber container according to the main application, the section of the section of the section in FIG. 2 being illustrated by the arrows 1-1;
  • Figure 2 is a sectional view seen in the direction of arrows 2-2 in Figure 1; 3 shows a sectional view corresponding to the sectional view of FIG. 1 through a partial section of the rotary cap of the double-chamber container which has been further developed in the manner according to the invention;
  • FIG. 4 shows a side view, partially broken open in its lower area provided with the separating stopper, of the plunger element forming the application nozzle of the further developed double-chamber container;
  • FIG. 5 shows a sectional view through the free front end of the plunger element provided with the application opening, viewed in the direction of FIG.
  • FIG. 6 shows a sectional view through a hole which simultaneously closes the opening in the rotary cap and the application opening in the ram element
  • the double chamber container shown in FIGS. 1 and 2, designated in its entirety by 10, has a container 12 which is made of plastic in the blow molding process and which consists of two arranged vertically one above the other and via a reduced diameter passage 14 integrally connected container chambers 16, 18 assembles.
  • the passage duct 14, which is circular in diameter, thus represents the upper mouth of the lower container chamber 16 shown only in its upper region in FIG. 1 and an opening provided in the bottom of the upper container chamber 18, via which the two chambers 16 and 18 are therefore connected.
  • the upper container chamber 18 is completely overlapped by a rotary cap 20, which is engaged by a locking cam 22 which engages under the upper container chamber 18 on the bottom side in the case illustrated in the drawing figures has the shape of a circumferential annular projection projecting from the inner wall of the rotating cap 20, is rotatable, but is secured against being pulled off on the container chamber 18.
  • a rotary cap 20 which is engaged by a locking cam 22 which engages under the upper container chamber 18 on the bottom side in the case illustrated in the drawing figures has the shape of a circumferential annular projection projecting from the inner wall of the rotating cap 20, is rotatable, but is secured against being pulled off on the container chamber 18.
  • two or more detent cams protruding from the inner wall of the rotary cap 20, distributed at uniform angular distances, could of course also be provided in the form of individual projections.
  • the transition area from the bottom to the peripheral wall of the upper container chamber 18 is formed into a circumferential, radially projecting annular bead 24, the outside diameter of which is approximately equal to the inside diameter of the rotary cap 20.
  • the upper container chamber which runs out into a cylindrical orifice 26 of reduced diameter is sealed by an annular wall 28 which protrudes from the inner surface of the end wall of the rotary cap 20 and engages in the orifice 26 like a plug, which expediently has the shape indicated in FIG has a so-called "sealing olive", which rests with its outer circumferential surface under slight prestress on the inner wall of the mouth 26, so that on the one hand a reliable seal is obtained and on the other hand no noticeable rotational resistance is built up when the rotary cap 20 is rotated.
  • a separating plug 30 made of plastic which insulates the container chambers 16, 18 from one another is inserted into the passage channel 14, from the upper side of which an elongated plunger element, hereinafter referred to as the application nozzle 32, extends into immediate vicinity of the
  • the application nozzle 32 which is integrally molded onto the separating plug 30, is hollow, its cavity opening through the separating plug 30 into the lower container chamber 16. At the opposite upper end, the cavity with an application opening 34 of small diameter breaks through the application nozzle 32.
  • Fender closure pin 36 prevents - initially - the filling component 38 contained in the lower container chamber 16 from escaping.
  • the upper end of the application nozzle 32 engages in a cylindrical ring projection 40 projecting concentrically to the ring wall 28 from the inner surface of the end cap of the rotary cap, in whose inner surface adjoining the end wall an internal thread is formed, which is connected to the outer surface of the application nozzle 32 provided complementary external thread is engaged.
  • a cylindrical ring projection 40 projecting concentrically to the ring wall 28 from the inner surface of the end cap of the rotary cap, in whose inner surface adjoining the end wall an internal thread is formed, which is connected to the outer surface of the application nozzle 32 provided complementary external thread is engaged.
  • FIG. 1 only one thread 42 can be seen from the internal thread of the annular projection, while the external thread of the application nozzle 32 is in the form of the projections 44, which are offset in height from one another on opposite sides and protrude radially from the outer surface of the application nozzle.
  • the section of the application nozzle 32 directly adjoining the separating plug 30 is formed on the outside as a cylindrical sealing surface 46, which is assigned a complementary cylindrical sealing surface 48 in the free end region of the annular projection 40 facing away from the end wall.
  • the Ver ⁇ circuit pin 36 carrying area is the end wall of the turning cap weakened 20 through an annular peripheral predetermined breaking notch 50 such that the lie ⁇ within the predetermined breaking line constricting part nozzle of the end wall at "unscrewing theseconde ⁇ is broken out of the end wall by turning the rotating cap 20.
  • the broken out end wall part thus forms, together with the closure pin 36, an optionally removable stopper closure for the application opening 34 of the order nozzle 32.
  • the application nozzle 32 can actually be screwed out in the longitudinal direction of the container from the opening created by the end wall part being broken out so that the complementary sealing surfaces 46, 48 seal against one another. must be prevented that the application nozzle 32 and the separating plug 30 provided in one piece at its lower end can rotate with the rotary cap 20.
  • this is achieved in that two diametrically opposed, inwardly projecting longitudinal ribs 52 are formed in the peripheral wall of the upper container chamber 18, with which projections 54, which protrude radially from the separating plug 30 to the peripheral wall of the upper container chamber 18, cooperate.
  • Double-chamber container 10 shows that this practically consists only of three parts made of plastic, namely the container 12, the separating plug 30 combined with the application nozzle 32 to form a one-piece component, and the rotating cap 20, which is relatively simple and with are easy to assemble.
  • the procedure is such that first the lower container chamber 16 of the container 12 is filled with the prescribed amount of the filling component 38, whereupon the separating plug 30 through the mouth 26 of the upper container chamber 18 into the passage channel 34 is pushed in. Then the second filling component 56 is filled into the upper container chamber 18, whereupon the rotary cap 20 is snapped over the upper container chamber 18. The ring wall 36 then seals in the mouth 26 of the upper container chamber 18 and the closure pin 36 closes the application opening 34 in the application nozzle.
  • the preparation of the filling components 38 and 56 for the ready-to-use preparation is carried out in such a way that the rotary cap 20 is rotated in the sense of unscrewing the application nozzle 32.
  • the complementary threads 42, 44 in the annular projection " 40 or on the outside of the application nozzle 32 then cause the application nozzle 32 to be unscrewed, which with its free front end breaks out the part of the end wall of the rotary cap 20 lying within the predetermined breaking notch 50
  • the rotary cap then unscrews the application nozzle 32 from the opening formed in the end wall until the complementary sealing surfaces 46 on the separator plug end of the application nozzle 32 and 4 * 8 engage in the lower end region of the ring projection 40. Because the separating plug 30 during the longitudinal movement of the application nozzle 32 is pulled out of the passageway 14, the filling component 56 passes into the lower container chamber 16 and can be mixed by shaking with the filling component 38 to form the ready-to-use preparation. This preparation can then be applied in doses directly via the application nozzle 32 after previously the closure pin 36 was pulled out of the application opening 34. The broken one on the locking pin. Part of the end wall of the rotating cap serves as a handle for pulling out the locking pin 36.
  • FIGS. 3 to 6 expedient further developments are shown in relation to the double-chamber container 10 described in connection with FIGS. 1 and 2, which are described below. Only the modifications made are emphasized, while with regard to the basic structure of the double-chamber container, it is sufficient to refer to the preceding description, especially since the same reference numbers are assigned to the same parts of both containers in the drawing.
  • the essential changes relate to the design of the rotary cap 20 in the area of the ring projection 40 and to the inside in the closed position of the double-chamber container 10.
  • the free end of the application nozzle 32 is unscrewed from the upper container chamber 16 by turning the rotating cap, with the separating plug 30 from the passage channel 14 between the upper and lower container chamber 16, 18 is pulled out.
  • a counter thread 42 complementary to the external thread 44 of the application nozzle 32 is formed in the ring projection 40, on the other hand, as can be seen in FIG.
  • a circumferential, radially projecting web 43 is injection molded, which reduces the inside diameter of the annular projection 40 - in the web region - to a dimension which is approximately equal to the core diameter of the external thread of the application nozzle 32.
  • the free front end 33 of the application nozzle 32 (FIGS. 4 and 5) has a diameter which is initially smaller than the clear inner diameter remaining within the web 43, but then widens conically to an area provided with the external thread 44 about the diameter corresponding to the inside diameter of the web.
  • the length of the application nozzle 32 is dimensioned such that it engages in the filled and closed position of the double-chamber container 10 as far as the inside of the ring projection 40 that the beginning thread of the
  • the end wall has an opening 51 in the area lying above the annular projection 40, and this opening 51 is in the filled and closed position of the container 10 by the separate sealing plug shown in FIG 35 closed, of which - in accordance with the exemplary embodiment according to FIGS. 1 and 2 - a closure pin 36 fits appropriately into the application opening 34 of the application nozzle 32.
  • the sealing pin 36 thus prevents - as long as the sealing plug 35 is not removed - the filling component contained in the lower container chamber from escaping or - after unscrewing the application nozzle 32 - the preparation prepared from the two filling components escapes.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)

Abstract

Un récipient (10) à deux chambres reçoit deux composants séparés de remplissage (38; 56) devant former une seule préparation prête à l'usage avant leur sortie du récipient. Les deux composants séparés (38; 56) sont contenus dans deux chambres (16; 18) superposées agencées à l'intérieur du boîtier du récipient et en communication l'une avec l'autre par un canal de passage (14) fermé par un bouchon de séparation (30) qui peut être refoulé par une poussoir mobile dans une des chambres, permettant aux composants de remplissage de se réunir et de se mélanger. Le poussoir fixé au bouchon séparateur a la forme d'une buse allongée creuse d'application qui s'étend à travers la chambre supérieure (18) du récipient jusqu'au goulot ouvert (26) de celui-ci. La cavité intérieure de la buse s'étend à son extrémité inférieure à travers le bouchon de séparation, débouchant dans la chambre inférieure du récipient, et débouche à son extrémité supérieure dans un bec applicateur. Le poussoir est vissé dans un capuchon fileté (20) qui ferme de manière étanche la chambre supérieure du récipient, ce qui permet de dévisser la buse d'application du capuchon fileté et d'enlever en même temps le bouchon de séparation (30) du canal de passage (14).
EP89903136A 1988-04-14 1989-02-20 Recipient a deux cavites Expired - Lifetime EP0364527B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19883812343 DE3812343C2 (de) 1988-04-14 1988-04-14 Doppelkammer-Behälter
DE3812343 1988-04-14
DE3837595 1988-11-05
DE3837595A DE3837595A1 (de) 1988-04-14 1988-11-05 Doppelkammer-behaelter

Publications (2)

Publication Number Publication Date
EP0364527A1 true EP0364527A1 (fr) 1990-04-25
EP0364527B1 EP0364527B1 (fr) 1992-12-30

Family

ID=25866949

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89903136A Expired - Lifetime EP0364527B1 (fr) 1988-04-14 1989-02-20 Recipient a deux cavites

Country Status (5)

Country Link
US (1) US5060791A (fr)
EP (1) EP0364527B1 (fr)
JP (1) JPH03500870A (fr)
DE (1) DE3837595A1 (fr)
WO (1) WO1989009736A1 (fr)

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Also Published As

Publication number Publication date
WO1989009736A1 (fr) 1989-10-19
US5060791A (en) 1991-10-29
DE3837595A1 (de) 1990-05-10
EP0364527B1 (fr) 1992-12-30
JPH03500870A (ja) 1991-02-28

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