EP2621639A1 - Réservoir à plusieurs compartiments - Google Patents

Réservoir à plusieurs compartiments

Info

Publication number
EP2621639A1
EP2621639A1 EP11763854.4A EP11763854A EP2621639A1 EP 2621639 A1 EP2621639 A1 EP 2621639A1 EP 11763854 A EP11763854 A EP 11763854A EP 2621639 A1 EP2621639 A1 EP 2621639A1
Authority
EP
European Patent Office
Prior art keywords
spindle
container according
chamber container
chamber
container
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
EP11763854.4A
Other languages
German (de)
English (en)
Other versions
EP2621639B1 (fr
Inventor
Christoph Geiberger
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.)
Scapa Holding GmbH
Original Assignee
Scapa Holding GmbH
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 Scapa Holding GmbH filed Critical Scapa Holding GmbH
Publication of EP2621639A1 publication Critical patent/EP2621639A1/fr
Application granted granted Critical
Publication of EP2621639B1 publication Critical patent/EP2621639B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • B05B11/0005—Components or details
    • B05B11/0078—Arrangements for separately storing several components
    • 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
    • B05B11/02—Membranes or pistons acting on the contents inside the container, e.g. follower pistons
    • 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
    • B05B11/1052—Actuation means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/30—Dip tubes
    • 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
    • B05B11/02—Membranes or pistons acting on the contents inside the container, e.g. follower pistons
    • B05B11/028—Pistons separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container
    • B05B11/029—Pistons separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container located on top of the remaining content

Definitions

  • the present invention relates in particular to a multi-chamber container having a container housing with at least two chambers arranged one above the other for accommodating product components.
  • the multi-chamber container also has a metering element, which conveys the product components by means of the chambers associated with the piston and displaceable in the container longitudinal axis.
  • a generic multi-chamber container which is also referred to as a multi-chamber container due to at least two superposed chambers, is known for example from DE 20 2007 004 662 U1.
  • a device for generating a first and / or second product component from the respective chamber aus carenden pressure difference is provided.
  • the device which is realized here as a pump, generates an overpressure when actuated in the chamber downstream of the pump. This overpressure is passed on to a next downstream chamber, so that the contained product component is discharged from both chambers.
  • the pump is returned to a starting position via a spring. In this return movement results in a negative pressure in both chambers, whereby the pistons of the chambers are moved in the direction of dosing.
  • a rotatably mounted metering element it is possible to open or close the discharge openings of the chambers according to the mixing ratio, so that the ratio of the various discharged product components can be varied.
  • the disadvantages of the prior art are that the vacuum-induced movement of the pistons deteriorates with increasing viscosity of the product components, and no movement is generated at all beyond a certain degree of viscosity.
  • the transferability of the positive / negative pressure from one chamber to the next chamber may decrease.
  • the present invention has for its object to provide a multi-chamber container, which promotes the product components from the chambers in an improved manner.
  • a multi-chamber container in the context of this invention, a container with we- at least two, possibly also three or more separate chambers for receiving respectively different product components understood.
  • a multi-chamber container with the features of claim 1 is proposed by the present invention. This differs from the generic state of the art in that at least one piston is displaceably engaged with an element extending in the container longitudinal axis element.
  • an arrangement between the piston and the element is understood, with which it is possible to transmit forces from the element to the piston.
  • the engagement is preferably effected positively and / or non-positively.
  • a positive connection in the form of a thread or the like is used.
  • engagement means between the piston and the container longitudinal axis which cause a certain positive locking due to wedging, which in any case lead to jamming of the piston with the extending in the direction of the longitudinal axis of the container element, so that only a relative movement of the two elements in one Direction is possible.
  • means may be used which cut into the material of the cooperation partner of the engagement to position both elements in a predetermined manner relative to one another.
  • the present invention it is possible to displace the pistons arranged in the multi-chamber container in order to discharge the various product components.
  • the displacement of all pistons is preferably carried out by means of extending in the container axis element.
  • This element has a significantly greater spatial extent in the longitudinal direction than in the transverse direction.
  • the element has sufficient shape and material properties to absorb the tensile and / or compressive forces occurring in the multi-chamber container in order to be able to discharge the product components.
  • a chamber within the meaning of the invention is understood to mean an optionally also variable space which is suitable for itself or by receiving a bag, which in the multiple Chamber container to be stocked and to be supplied by this amount of product.
  • a chamber is to be understood in particular as a receiving space which is suitable for storing a sufficient amount of the product component, so that product can be removed several times.
  • the stored volume is usually large compared to the volume dispensed during dosing, ie the actuation of the dosing element.
  • the metering element As a metering element is understood in the context of the invention, an element which aus the product components from the chambers when actuated.
  • the metering element is preferably arranged at the head of the multi-chamber container, but may for example also be formed at the bottom of the multi-chamber container.
  • the dosing element preferably additionally comprises the discharge openings of the various chambers. It is also possible to mix individual product components in the metering, and spend as a mixture.
  • the dosing element may be formed, for example, according to the disclosure of DE 20 2007 004 662 U1 of the present applicant, the disclosure content of which is incorporated by reference into this application.
  • the metering member may be rotatably provided to close one or both discharge ports of channels leading to the different chambers, in whole or in part, thereby to vary the mixing ratio of the individual product components dispensed.
  • an engagement region located in engagement is formed by a spring washer.
  • This spring washer usually interacts with the outer peripheral surface of the piston and, in relative movement of the piston along the container longitudinal axis intersects in each case parallel to this extending element of the multi-chamber container to hold the piston in engagement with this element. Accordingly, the spring washer cooperates with the elements extending in the direction of the longitudinal axis of the container in such a way that a relative movement in one direction between the element and the piston is possible, whereas with a reverse relative movement the spring washer digs into the element and prevents relative movement.
  • the spring disk is preferably provided concentrically to the container longitudinal axis in the engagement region of at least one piston of the multi-chamber container and is preferably by means of injection molding by Umsprit- in the way of making the piston. attached with plastic.
  • the spring washer can be a spring washer made of metal or plastic.
  • the spring washer is inserted as an insert in an injection mold and sealed in the manufacture of the piston by injection molding by injection molding with plastic in this.
  • the spring washer preferably protrudes a push rod which cooperates with the spring washer for transmitting forces to the piston.
  • a push rod is understood to mean, in particular, a rod which, by applying a compressive force in the longitudinal direction of the rod, performs a displacement in the direction of the longitudinal axis of the multi-chamber container.
  • the push rod is preferably made of plastic, although other materials such as metal can be used.
  • the surface of the push rod can be formed either smooth or with depressions, for example in the form of a sawtooth profile for latchable engagement of the spring washer in the push rod.
  • the spring washer is preferably bent in the region of the inner diameter in the thrust direction of the push rod. Characterized a substantially translational movement of the push rod is allowed relative to the piston in the thrust direction by the spring washer. In a movement opposite to the thrust direction of the push rod, the spring disc blocks the movement of the push rod, so that the push rod is positively connected to the piston and the piston is taken over the push rod.
  • the push rod may comprise an outer push rod and at least one inner push rod.
  • these push rods are coupled in the longitudinal direction, so that all push rods cover the same push paths.
  • the push rods which pass through one chamber and protrude into the next chamber are formed as a standpipe.
  • an annular channel which acts as a riser.
  • the element is formed by a spindle.
  • a spindle in the context of the invention, a component is understood, which allows a relative rotation to a standing in engagement with the spindle component.
  • This spindle is rotatably mounted relative to the container housing or the piston.
  • the spindle is molded from plastic or metal and preferably has a thread on the outside.
  • the spindle is driven head or foot side by a drive with a drive sleeve which drives via a run-up slope a driver having a concentric with the axis of rotation formed teeth, which cooperates with a concentric to the rotational axis formed counter teeth.
  • a drive sleeve which drives via a run-up slope a driver having a concentric with the axis of rotation formed teeth, which cooperates with a concentric to the rotational axis formed counter teeth.
  • an additional concentric with the axis of rotation formed toothing is provided, which engages in such a counter-toothing, that a reverse rotation of the spindle is blocked.
  • a reverse rotation lock also embodiments are possible in which engage one or more spring tongues in a toothing.
  • the suck-back effect usually arises due to the overpressure in the chambers in any case when the spring-back of the piston in the original position preventing means are designed in a corresponding manner.
  • a certain play in the above-mentioned reverse rotation lock or the previously described spring washer can allow such a suction effect.
  • Also in the preferred provided drive with drive sleeve with teeth and cooperating with the spindle counter teeth may be provided a corresponding clearance, which a certain provision of the piston for retracting the product component in the Multi-chamber container allowed.
  • This back suction effect can also be effected by appropriate design of the toothing or the counter toothing.
  • the spindle may for example comprise an upper and at least one lower spindle. Also, the spindle may comprise an outer spindle and at least one inner spindle. In the latter arrangement, there is the advantage that each spindle can be assigned a separate drive. These drives can then be designed so that these different spindles are driven at different angular speed.
  • the outer spindle with the at least one inner spindle or the upper spindle with the at least one lower spindle is rotationally connected. As a result, a rotational movement in the same dimensions can be transmitted to all spindle.
  • each of the spindle which passes through a chamber and projects into the next chamber, be formed as a riser.
  • the riser end is provided open.
  • inlet openings may be formed on the circumference of the spindle.
  • the spindle preferably has a thread which cooperates with the thread of the piston.
  • the spindle has a smooth surface and the pistons comprise self-tapping elements made of, for example, metal, which cut in a form-locking manner on the spindle, for example in the form of a thread.
  • These elements like the spring washer, are preferably fastened in the production of the piston by injection molding by injection molding with the plastic forming the piston.
  • the outer spindle has an internal thread. With this internal thread, the inner spindle cooperates, which is held in a rotationally fixed end in a piston. By rotation of the outer spindle thus outer spindle and inner spindle can be rotated against each other. Also, a configuration is possible in which the outer spindle is held rotationally fixed end in a piston and the inner spindle is driven by a drive.
  • Fig. 1 is a longitudinal sectional view of an embodiment of the invention
  • FIG. 2 is a longitudinal sectional view of a second embodiment of the multi-chamber container according to the invention.
  • FIG. 3 is a longitudinal sectional view of a third embodiment of the multi-chamber container according to the invention.
  • FIG. 4 is a longitudinal sectional view of a fourth embodiment of the multi-chamber container according to the invention.
  • FIG. 5 is a longitudinal sectional view of a fifth embodiment of the multi-chamber container according to the invention.
  • FIG. 6 is a longitudinal sectional view of a sixth embodiment of the multi-chamber container according to the invention.
  • FIG. 7 is a longitudinal sectional view of a seventh embodiment of the multi-chamber container according to the invention
  • 8 is a longitudinal sectional view of an eighth embodiment of the multi-chamber container according to the invention
  • FIG. 9 is a longitudinal sectional view of a ninth embodiment of the multi-chamber container according to the invention.
  • FIG. 10 is a longitudinal sectional view of a tenth embodiment of the multi-chamber container according to the invention.
  • FIG. 11 is a longitudinal sectional view of an eleventh embodiment of the multi-chamber container according to the invention.
  • FIG. 12 is a longitudinal sectional view of a twelfth embodiment of the multi-chamber container according to the invention.
  • Fig. 13 is an exploded side view of the basic structure of a
  • Fig. 14 is an exploded side view of the basic structure of another spindle drive.
  • FIG. 1 shows a longitudinal sectional view of the first embodiment of a multi-chamber container with a container housing 2, which is closed at the bottom with a slidably received in the container housing 2 lower piston 4 and the upper side of a housing head 6. Between the housing head 6 and lower piston 4, an upper piston 8 is slidably disposed in the multi-chamber container, which divides the multi-chamber container into a lower chamber 10 and an upper chamber 12.
  • the housing head 6 comprises and forms a metering element 14, which has two discharge openings 16, 18, which are arranged one above the other and communicate with the two chambers 10, 12, so that the two product components from the chambers 10, 12 are dispensed separately.
  • the pistons 4, 8 have, in a manner known per se, sealing lips which interact with the inner circumferential surface of the container housing 2.
  • the pistons 4, 8 with a spindle 11 in engagement.
  • the spindle 11 includes an outer spindle 20 for engagement with the upper piston 8 and an inner spindle 22 for engagement with the lower piston ⁇
  • the outer spindle 20, which is rotationally connected to the inner spindle 22, is additionally formed such that it passes through the upper chamber 12 and that between the outer spindle 20 and inner spindle 22 an annular channel 24 is formed, so that the outer spindle 20, an annular riser 26th for the product component from the lower chamber 10 surrounds.
  • the engagement of the pistons 4, 8 is carried out by self-tapping elements 28, 30 of metal or plastic, which are fixed in the pistons 4, 8 and are shaped so that they cut a thread in the smooth outer peripheral surface of the spindle 11 realized.
  • a drive 31 which converts due to the actuation of the metering element 14 so effected translational movement of the metering element 14 in a rotational movement of the spindle 11.
  • this drive is shown for an exemplary embodiment of a spindle 11 that is an alternative to the exemplary embodiment according to FIG. For the following description, it depends solely on the details of the drive.
  • the drive 31 has a drive sleeve 32, which is rotationally fixed, usually attached to the housing head 6 and formed thereon.
  • the drive sleeve 32 has ramps 34 which are provided on opposite side walls of the drive sleeve 32.
  • the ramps 34 are formed as grooves on the drive sleeve 32.
  • the ramps 34 cooperate with drive cam 36, which are formed on a driver 38 which is rotatably received in the housing head 6 and at least slightly movable in the longitudinal direction of the container.
  • This driver 38 has on its spindle 11 facing end face a Mitauerflansch 40, the free annular surface of a toothing 42 is formed.
  • the spindle 11 carries a counter-toothing 44.
  • This counter-toothing 44 is formed on an annular surface 46 of a spindle flange 48 which is surmounted by an integrally formed on the spindle 11 axle projection 50.
  • Achsvorsprung 50 of the driver 38 is rotatable, but slidably mounted in the longitudinal direction of the spindle 11.
  • the exploded view of the spindle drive in Figure 13 also shows a compression spring 52 of the drive 31, which urges the drive sleeve 32 in the direction of the spindle head 6, ie against the gravity of the earth away from the driver 38.
  • the spindle drive shown in Fig. 14 substantially corresponds to the spindle drive of FIG. 13 and differs only by one on the annular surface 46 of the spindle flange 48, the counter teeth 44 opposite, additional counter teeth 51. This counter teeth 51 acts with a further toothing (not shown ) in such a way that a reverse rotation is blocked.
  • the drive 31 shown in Figure 13 acts in much the same way as the drive of a ballpoint pen.
  • the drive sleeve 32 Upon actuation of the dosing head 6, the drive sleeve 32 is moved downwardly in the axial direction, i. pressed in the direction of the spindle 11. This pressure force is imparted via the compression spring 52 to the driver 38, so that the teeth 42 is pressed against the counter teeth 44.
  • the positive engagement of the driver cam 36 in the groove-shaped ramps 34 leads to a pivoting movement of the driver 38 relative to the present rotationally held drive sleeve 32.
  • This rotational movement of the driver 38 is on the saw toothing, which is formed on the teeth 42 and the counter teeth 44 , transmitted to the spindle 11.
  • a restoring spring which is supported on the container on the one hand and the housing head 6 on the other hand, which is designated by reference numeral 54 in FIG. 1, causes the housing head 6 to be lifted.
  • the drive sleeve 32 is relieved.
  • the pressure or return spring 52/54 accordingly pushes the drive sleeve 32 in the longitudinal direction of the container housing 2 upwards. Since no axial resistance acts on the drive sleeve 32, the teeth of the teeth 42 and the counter teeth 44 are disengaged.
  • the driver 38 may follow the imposed rotational movement without the spindle 11 being rotated. Only upon renewed actuation of the housing head 6, the spindle 11 is again subjected to a rotational movement in the manner described above.
  • the spindle flange 48 is connected via webs rotationally fixed to the outer spindle 20.
  • the drive sleeve 32 is integrally formed in the embodiment shown on the metering element 14 of the housing head 6. In this case, the drive sleeve also forms the outer boundary walls of channels 56 to the upper chamber 12, which are connected to each other in the upper region of the housing head 6 and lead to the discharge opening 18.
  • the compression spring 52 is formed by the return spring 54, which returns the housing head 6 or a drive element of the multi-chamber container to the starting position.
  • the embodiment shown in Figure 2 has the essential difference that there the spindle 1 1 is provided with a thread 57 with thread pitch, so that the spindle 11 from the outset is a threaded spindle and not only to such by the action of the self-tapping elements 28, 30, as in the embodiment of Figure 1. Also, the embodiment shown in Figure 2 has an outer spindle 20 which acts as a riser 26 and the upper chamber 12 passes through, so that the displaced from the lower chamber 10 product component in the housing head. 6 and can get to the discharge port 16. At the lower end of the outer spindle 20, the inner spindle 22 is held against rotation.
  • the embodiment shown in Figure 3 represents a modification of the embodiment shown in Figure 2.
  • the housing head 6 is connected as a solid housing element with the container housing 2 and has only the channels 56 and 58 for the product components.
  • the inner spindle 22 is realized as a lower spindle, which is provided in the container longitudinal direction below the outer spindle 20, which thus constitutes the upper spindle. Consequently, here too, the upper spindle 20 forms the riser 26, which leads to the channel 58 from.
  • the drive via a housing bottom 62, which is pressed against the pressure of the compression spring 52 in the container housing 2.
  • This housing bottom 62 integrally forms the drive sleeve 32, which cooperates with the driver 38.
  • the introduction of the force via the end formed on the lower spindle 22 spindle flange 48 which rests against an integrally formed on the container housing 2 annular disc 64 and is centered in a recessed bore therein.
  • the annular disc 64 also serves as an abutment for the pressure or return spring 52.
  • the embodiments shown in Figures 1 to 3 each have a lower chamber 10, which is bounded on the upper side of the upper piston 8, so that at the same pitch of the spindle 11, ie the same axial displacement of the upper piston 8 and the lower piston 4 at a predetermined rotation angle of the spindle 11, the volume of the lower chamber 10 is not smaller. Due to the pitch of outer spindle 20 and inner spindle 22 and lower spindle 22 and upper spindle 20 and the respective embodiment of the self-tapping elements 28, 30, the mixing ratio can be adjusted so that at a predetermined rotation angle of the spindle 11 from two chambers 10, 12 a predetermined volume of the product component contained in the respective chambers 10, 12 is discharged.
  • FIG. 4 This is different from the exemplary embodiment shown in FIG. 4, in which the respective chambers 10, 12 are individually delimited on one side by container-side partitions, of which the upper partition is identified by reference numeral 66 and the lower partition by reference numeral 68.
  • the lower partition 68 also serves as a bearing for the upper spindle 20. This is also formed as a riser 26.
  • the area of the embodiment shown in FIG. 4 located above the upper partition 66 corresponds to that shown in FIGS. 1 and 2. Even with the same pitch of the respective thread pitches of the upper spindle 20 and the lower spindle 22 takes place in the embodiment shown in Figure 4, a discharge of product components.
  • the embodiment shown in Figure 5 represents a modification of the embodiment shown in Figure 4.
  • the respective chambers 10, 12 are compressed against a fixed housing wall upon movement of the pistons 4, 8.
  • the container housing 2 is pot-shaped and formed closed at the bottom.
  • the spindle 11 is formed as a unitary spindle, between the piston 4, 8 shown in Figure 5 in the initial position, the thread pitch of left-hand thread changes to right-hand thread, so that upon rotation of the spindle 11 of the upper piston 8 upwards and the lower piston wanders down.
  • the spindle 1 is formed as a riser 26 and open to the lower chamber 10 close to the ground.
  • Reference numeral 70 denotes a driver of an inner spindle 22, which is in operative connection with the driver 70 via a shaft 72, which passes through the outer spindle 20.
  • This shaft 72 carries the counter-toothing to the driver 70 of the inner spindle 22.
  • Reference numeral 74 the driver of the outer spindle is characterized, which acts in the manner described above with reference to Figure 1 via a spindle flange 48 on the outer spindle 20.
  • Reference numeral 76 denotes the drive sleeve for driving the inner spindle 22;
  • the two drive sleeves 76, 78 are each integrally formed on the housing head 6 and surround the channels 56, 58.
  • the metering ratio by the type of toothing between the Driver 70; 74 and the associated counter-toothing can be adjusted.
  • the mixing ratio of the spindle pitch and / or the configuration of the positive connection between the drive sleeve 76, 78 and driver 70, 74 can be adjusted.
  • FIG. 6 shows a unitary housing head 6. However, it is conceivable to fractionate the housing head 6, so that for each of the two drives a displaceable in the vertical direction against the force of a return spring dosing is provided to selectively act only on a drive.
  • FIG. 7 shows a further exemplary embodiment of a multi-chamber container with a container housing 2 and housing head 6 and drive 31 as described above with reference to FIG.
  • the two pistons 4, 8 are provided in the initial position shown there immediately adjacent to each other and run for compression and for conveying out the product components contained in the chambers 10, 12 in opposite directions.
  • the drive 31 acts on the outer spindle 20. This has on its inner circumferential surface a coiled spindle surface which cooperates with a correspondingly provided thread 57 of the inner spindle 22. Meanwhile, the outer peripheral surface of the outer spindle 20 is provided with an inclination in the opposite direction to the inner peripheral surface of the outer spindle 20.
  • the inner spindle 22 is rotationally connected to the lower piston 4.
  • the upper piston 8 Upon actuation of the drive 31, the upper piston 8 is displaced translationally within the container housing 2 by rotation of the outer spindle 20, whereas the retained inner spindle 22 rises relative to the outer spindle 20 and thereby pushes the lower piston 4 downwards.
  • This lower piston 4 is adhered to the inner peripheral surface of the container housing 2 by the sealing lips provided on the outer periphery thereof held, so that the inner spindle 22 rotationally fixed in the container housing 2 remains.
  • the container housing 2 and the associated pistons 4, 8 can be formed with a non-rotationally symmetric base surface, so that a relative movement of the pistons 4 and 8 about the longitudinal axis of the container housing 2 is avoided by positively locking.
  • FIG. 8 shows a further exemplary embodiment whose drive 31 and spindles 11 essentially correspond to the exemplary embodiment described with reference to FIG.
  • the thread surface provided on the outer spindle 20 is realized on the inner circumferential surface as well as on the outer peripheral surface with the same rotational sense.
  • the lower piston 4 is located at the lower end of the container housing 2.
  • the inner spindle 22 is rotationally held on the lower piston 4 in the container housing 2. Pressing the housing head 6 leads to the actuation of the drive 31 such that the outer spindle 20 is rotated.
  • the inner spindle is realized as widened head on a spindle rod 80, wherein at the transition between the inner spindle 22 and the spindle rod 80 inlet openings 82 are recessed to the riser 26.
  • FIG. 9 shows a further embodiment of the present invention with a continuous spindle 11 having an upper spindle 20 and a lower spindle 22, which have different pitches, so that at a predetermined angular amount of the spindle 11, the upper piston 8 is less translationally moved than the lower piston 4.
  • the spindle 11 is formed as a riser 26 and has at the end of the upper spindle 20 inlet openings 82 for the product component of the lower chamber 10.
  • the spindle 11 is integrally attached to the housing bottom 62 which is fixedly connected to the container housing 2 , Rotatable in the container housing 2 is an inner container 84, which encloses the chambers 10, 12 and receives the pistons 4, 8 in itself.
  • FIG. 10 shows a further exemplary embodiment similar to the exemplary embodiment shown in FIG. In the embodiment shown in Figure 10, however, the drive is simplified.
  • the spindle 11, which is formed substantially in accordance with the spindle of the embodiment 9, is part of a housing bottom element 62, which is captive in the axial direction, while rotatably mounted on the container housing 2.
  • FIG. 11 shows a further embodiment whose container housing 2 is similar to the container housing described with reference to FIG. Specifically, the container housing 2 is subdivided by a lower partition 68 which separates the chamber 10 from the chamber 12. Accordingly, the pistons 4, 8 accommodated in the two chambers 10, 12 are respectively displaced against a fixed housing cover 68 or 66.
  • the drive is a different one.
  • the pistons 4, 8 each have a spring washer 86 at their end facing away from the associated container volume.
  • the provided on the upper piston 8 spring washer 86 cooperates with an outer push rod 88, the lower piston 4 associated spring washer 86 with an inner push rod 90 together.
  • the two push rods 88, 90 are connected to each other at the upper end of the inner push rod 90.
  • the free end of the outer push rod 88 engages over a pipe socket 92, which is integrally formed on the lower partition 68 and this projects clearly in the direction of the housing head 6.
  • the outer push rod 88 engages the pipe socket 92 sealingly.
  • annular channel 24 is formed as part of the riser pipe 26 in the lower region, which opens into the channel 58, which is formed on the container housing 2.
  • This channel 58 is surrounded by a one piece formed by the housing head 6 pipe piece 94, which is connected end to the outer push rod 88.
  • the spring washers 86 act only in one direction arresting with the push rods 88, 90 together. Now, when pressed against the restoring force of the return spring 54 when operating the housing head 6, the push rods 88, 90 slide relative to the pistons 4, 8 down and past Krallkanten the spring washers 86. These are slightly inclined downwards, so that upon a return movement of the push rods 88, 90 due to the return spring 54, the spring washer and thus the pistons 4, 8 dig into the outer peripheral surface of the push rods 88, 90 and with these are engaged. The restoring force of the return spring 54 accordingly causes a discharge of product components from the respective chambers 10, 12 by the upwardly moving piston 4, 8. The movement amounts of the two pistons 4, 8 are in this embodiment due to the coupling of the inner and outer push rods 88th , 90 identical.
  • Figure 12 shows an embodiment similar to that shown in Figure 2 and discussed with reference to this embodiment.
  • the peculiarity of this embodiment consists in the design of the housing head 6. This comprises a latched with the container housing 2 and in the longitudinal direction of the container housing 2 displaceable cap 96 which surrounds a control head 98, which dispenses with the discharge openings 16, 18, which on the outside of the cap 96 are exposed.
  • the cap 96 is rotationally connected to the actuator head 98, so that rotation of the cap 96 relative to the container housing 2 entrains the actuator head 98.
  • a return bearing member 104 forming an upper abutment surface for the return spring 54 is provided.
  • a depressing operation of the cap 96 entrains this return holding member 104, whereby the return spring 54 is compressed.
  • the restoring retaining element 104 further forms, with its legs extending inwardly parallel to the longitudinal axis of the container, the drive sleeve 32, which is positively engaged with the driver 38 in order to effect rotational movement of the driver 38 during an axial movement of the restoring element 104.

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Package Specialized In Special Use (AREA)
  • Closures For Containers (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)

Abstract

L'invention concerne un réservoir à plusieurs compartiments comportant un carter de réservoir (2) présentant au moins deux compartiments (10, 12) agencés l'un au-dessus de l'autre et destinés à recevoir les composants d'un produit, et un élément de dosage (14) qui extrait les composants du produit au moyen de pistons (4, 8) associés aux compartiments (10, 12) et coulissant selon l'axe longitudinal du réservoir. L'invention vise à proposer un réservoir à plusieurs compartiments qui permette une meilleure extraction des composants du produit hors des compartiments. Le réservoir à plusieurs compartiments selon l'invention présente au moins un piston (4, 8) qui est en prise en coulissement avec un élément s'étendant selon l'axe longitudinal du réservoir.
EP11763854.4A 2010-10-01 2011-09-28 Réservoir à plusieurs compartiments Not-in-force EP2621639B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202010013855U DE202010013855U1 (de) 2010-10-01 2010-10-01 Mehrkammerbehälter
PCT/EP2011/004849 WO2012041495A1 (fr) 2010-10-01 2011-09-28 Réservoir à plusieurs compartiments

Publications (2)

Publication Number Publication Date
EP2621639A1 true EP2621639A1 (fr) 2013-08-07
EP2621639B1 EP2621639B1 (fr) 2015-11-04

Family

ID=44720842

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11763854.4A Not-in-force EP2621639B1 (fr) 2010-10-01 2011-09-28 Réservoir à plusieurs compartiments

Country Status (9)

Country Link
US (1) US20130299515A1 (fr)
EP (1) EP2621639B1 (fr)
CN (1) CN103201044A (fr)
BR (1) BR112013007638A2 (fr)
CO (1) CO6680729A2 (fr)
DE (1) DE202010013855U1 (fr)
MX (1) MX2013003543A (fr)
RU (1) RU2544813C2 (fr)
WO (1) WO2012041495A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105722767B (zh) * 2013-10-31 2019-07-05 株式会社大造 双液体吐出容器
FR3020052B1 (fr) * 2014-04-16 2017-03-10 Aptar France Sas Distributeur de produit fluide.
US10435831B1 (en) * 2014-07-15 2019-10-08 Rita Harry-Ogiste Fabric treating accessories and associated use thereof
WO2016062716A2 (fr) * 2014-10-20 2016-04-28 Rieke Packaging Systems Limited Distributeurs à pompe
FR3042180B1 (fr) * 2015-10-08 2020-05-29 Gb Developpement Tete de distribution
US10070759B2 (en) * 2015-10-27 2018-09-11 Colgate-Palmolive Company Dispenser
FR3083969B1 (fr) * 2018-07-17 2020-06-19 L'oreal Distributeur de produits cosmetiques fluides
WO2021163918A1 (fr) * 2020-02-19 2021-08-26 L'oreal Dispositif de stockage et de distribution d'au moins deux produits cosmétiques et procédé associé

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US1965690A (en) * 1931-09-17 1934-07-10 Lubrication Corp Lubricating device
US4220261A (en) * 1978-04-19 1980-09-02 White Douglas J Dispensing container assembly
DE2927584A1 (de) * 1979-07-07 1981-01-22 Henkel Kgaa Vorrichtung zum dosieren von zweikomponenten-produkten
EP0185726B1 (fr) * 1984-06-18 1991-11-27 WERNER, Per, G. Ameliorations de dispositifs telescopiques reglables
ATE87219T1 (de) * 1987-11-06 1993-04-15 Louis Paul Ellgass Einweg-spritze.
US5373971A (en) * 1990-01-11 1994-12-20 Laffy; Raoul Aseptic container for holding and dispensing a sterile liquid or semi-liquid product
FR2697311B1 (fr) * 1992-10-28 1994-11-25 Lvmh Rech Dispositif d'entraînement en translation d'une pièce par la rotation d'une tige traversant cette pièce et application de ce dispositif à la réalisation d'un appareil applicateur.
US6012551A (en) * 1995-04-15 2000-01-11 Gerhard Dohring Apparatus for automatic lubricant delivery
US5725133A (en) * 1996-01-31 1998-03-10 Chesebrough-Pond's Usa Co., Division Of Conopco, Inc. Dose control dispenser
DE29720316U1 (de) * 1997-11-17 1998-01-29 Raimund Andris Gmbh & Co Kg, 78052 Villingen-Schwenningen Zweikammer-Dosierspender
US7497355B2 (en) * 2005-01-08 2009-03-03 Nordson Corporation Dual fluid cartridge with reduced fluid waste
DE202007004662U1 (de) 2007-03-28 2008-08-07 Geiberger, Christoph Mehrkammerbehälter
CH698343A2 (de) * 2008-01-11 2009-07-15 Medmix Systems Ag Austragsvorrichtung mit dreheinrichtung.

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Also Published As

Publication number Publication date
RU2013114422A (ru) 2014-11-20
MX2013003543A (es) 2013-07-30
WO2012041495A1 (fr) 2012-04-05
DE202010013855U1 (de) 2012-01-10
BR112013007638A2 (pt) 2019-09-24
US20130299515A1 (en) 2013-11-14
CO6680729A2 (es) 2013-05-31
DE202010013855U8 (de) 2012-04-05
EP2621639B1 (fr) 2015-11-04
RU2544813C2 (ru) 2015-03-20
CN103201044A (zh) 2013-07-10

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