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EP2221114B1 - Pièce intercalaire destinée à la liaison d'un récipient de stockage et d'un mélangeur statique - Google Patents

Pièce intercalaire destinée à la liaison d'un récipient de stockage et d'un mélangeur statique Download PDF

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Publication number
EP2221114B1
EP2221114B1 EP10152758.8A EP10152758A EP2221114B1 EP 2221114 B1 EP2221114 B1 EP 2221114B1 EP 10152758 A EP10152758 A EP 10152758A EP 2221114 B1 EP2221114 B1 EP 2221114B1
Authority
EP
European Patent Office
Prior art keywords
intermediate piece
static mixer
mixer
accordance
inlet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP10152758.8A
Other languages
German (de)
English (en)
Other versions
EP2221114A1 (fr
Inventor
André Von Rotz
Enrico Baldelli
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.)
Medmix Switzerland AG
Original Assignee
Sulzer Mixpac 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
Application filed by Sulzer Mixpac AG filed Critical Sulzer Mixpac AG
Priority to EP14194644.2A priority Critical patent/EP2848320B1/fr
Priority to EP10152758.8A priority patent/EP2221114B1/fr
Publication of EP2221114A1 publication Critical patent/EP2221114A1/fr
Application granted granted Critical
Publication of EP2221114B1 publication Critical patent/EP2221114B1/fr
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Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00503—Details of the outlet element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/431—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor
    • B01F25/4314—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor with helical baffles
    • B01F25/43141—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor with helical baffles composed of consecutive sections of helical formed elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/50—Movable or transportable mixing devices or plants
    • B01F33/501—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use
    • B01F33/5011—Movable mixing devices, i.e. readily shifted or displaced from one place to another, e.g. portable during use portable during use, e.g. hand-held
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/11—Vats or other containers for liquids or other fluent materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00553—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes with means allowing the stock of material to consist of at least two different components
    • B05C17/00556—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes with means allowing the stock of material to consist of at least two different components with means for adjusting the proportions of the components

Definitions

  • the invention relates to a static mixer, which is provided for connection to a reservoir for components to be mixed, in particular a discharge cartridge or a discharge device.
  • a discharge arrangement consisting of a multi-component discharge device or a multi-component cartridge as well as a static mixer is known, for example, from US Pat EP0730913 known.
  • the static mixer also comprises a connecting piece intended for assembly with a dispensing cartridge or a dispensing device.
  • the static mixer and the connecting piece are in this case designed as a single component, which can be produced by injection molding.
  • a disadvantage of this embodiment is that it is difficult to manufacture this component by injection molding.
  • the static mixer consists of a plurality of individual mixing elements, so that the mixer has a considerable length, this complicated tools are required.
  • the connector which contains the channels for the two components to be mixed in the static mixer, must already be made with a tool that contains cores to make the channels. Due to the component geometry, long and complicated flow paths for the polymer melt result.
  • the polymer melt must in any case fill the last element furthest away from the connector. At the same time it must be ensured that after completion of the injection process, the component can be cooled, so that solidify the polymer melt which forms the mixer, and the polymer melt which forms the connector.
  • the required cooling times for the Mixers differ considerably from the cooling times for the connector.
  • the cooling time for the mixer is lower than for the connector. It follows that the mixer must remain unnecessarily long in the tool, namely, until the connector is sufficiently cooled in order to be able to be demolded dimensionally stable.
  • a static mixer is described, which is intended for connection to a dispensing cartridge in the form of a container for two components.
  • the mixer has a mixing element, a mixer housing, an intermediate piece in the form of a transition piece and a coupling element in the form of a transition part, wherein said part are designed as individual parts.
  • the mixing element is disposed within the mixer housing and the intermediate piece within the coupling element.
  • the intermediate piece has two separate channels with separate inlet openings for the two components.
  • a coding element is also arranged, which cooperate with corresponding means on the discharge cartridge. For a rotationally fixed position of the intermediate piece on the discharge cartridge can be produced, wherein the intermediate piece can be placed in two different positions on the discharge cartridge.
  • the object of the invention is therefore to optimize the production of the static mixer and the connector by injection molding. Another object of the invention is to safely avoid contamination of the mix before its proper entry into the mixer and at the same time to prevent errors during assembly. A further object is to provide a guide means and coding means, by means of which it can be avoided that the inlets tilt during assembly.
  • the intermediate piece for the connection of a static mixer with a discharge cartridge or a dispenser for a plurality of components are mentioned.
  • the intermediate piece is not in this form more coupled to the static mixer. That is, the intermediate piece is produced in a separate tool, preferably by injection molding.
  • the intermediate piece includes a first channel for a first component and a second channel for a second component, the first channel passing through the intermediate piece separately from the second channel.
  • a first inlet opening is provided, which opens into the first channel, and a second inlet opening, which opens into the second channel.
  • the first inlet opening comprises an element, so that the first inlet opening can be arranged by means of the element in a suitable position to the static mixer.
  • the second inlet opening may also comprise such an element.
  • the element is formed in particular by the shape of the cross-sectional area, wherein the shape of the cross-sectional area is preferably oval, round, polygonal, that is to say in particular diamond-shaped or rectangular.
  • the shape of the cross-sectional area is thus one Optical aid for detecting the correct installation direction.
  • the direction of installation is predetermined, since it is important in the case of reusable cartridges in particular that one channel of the intermediate piece always contains the same component. If this were not the case, the contamination could lead to a premature reaction of the two components to be mixed. In particular, when such components tend to cure, the premature reaction at individual locations may result in degrading the quality of the material or clogging channels.
  • the cross-sectional area of the first inlet port may differ from the cross-sectional area of the second inlet port, especially if the mixing ratio of the components is not 1: 1.
  • the mixing ratio can be in the range from 1: 1 to 1:25, preferably in the range from 1: 1 to 1:10, according to the exemplary embodiments in FIG Fig. 15 1: 1 to 1: 3 and Fig. 16 1 : 4 to 1:10, so that it is advantageous if the ratio of the cross-sectional areas of the first inlet opening and the second inlet opening is adapted to the mixing ratio. In this case, it is ensured that the components get into the static mixer in the correct mixing ratio.
  • the first channel terminates in a first outlet port and the second channel in a second outlet port mounted on an end surface opposite to the plane defined by the first and second inlet ports. From the outlet ports, the components to be mixed enter the part of the mixer housing containing static mixers.
  • the end face is flat according to a preferred embodiment, but may also have a guide element for deflecting the component flows, which protrudes from the end face.
  • the first channel has a first inlet opening and the second channel has a second inlet opening, wherein at least one of the first and the second inlet openings for receiving a plug-in element of the dispensing device or the discharge cartridge are suitable.
  • the plug-in element of the dispensing device or of the dispensing cartridge can in particular be designed as a tubular connecting piece, which is inserted into the associated inlet opening during the assembly of cartridge and intermediate piece.
  • the shape of the outer contour, that is, the shell of the tubular nozzle corresponds to the shape of the cross-sectional area of the inlet opening.
  • at least one of the first and second inlet openings may be formed as a plug-in element for receiving in a corresponding recess of the dispensing cartridge or the dispensing device.
  • the plug-in element which is designed in particular as a tubular nozzle, inserted into a matching recess of the discharge cartridge or the dispensing device. A slight excess of the plug element with respect to the associated recess may be permitted.
  • the shape of the cross-sectional area of the plug-in element corresponds to the shape of the jacket of the inlet opening delimiting the cross-sectional area of the associated inlet opening.
  • the intermediate piece comprises a first connection element which is intended to receive a housing of a static mixer, a flange which adjoins the first connection element and serves as a support for the housing of the static mixer, and a second connection element which is located on the opposite side connects the flange and is intended for assembly with a dispenser or a dispensing cartridge.
  • the first connection element, the flange, as well as the second connection element contain the first and the second channel.
  • the first connection element has a positioning element for aligning the static mixer with respect to the connection element, as well as the intermediate piece as a whole.
  • two oppositely arranged positioning elements can be provided.
  • a plurality of positioning elements can be provided, which serve to align the mixer relative to the intermediate piece.
  • the positioning element can be designed as a projection.
  • the first connection element comprises a lateral surface on which the projection is attached.
  • Such a positioning element has the advantage that the projection during assembly is visible, so that a faulty insertion of the intermediate piece in the static mixer is unlikely.
  • the projection would hinder the assembly, if the groove receiving it is not in the correct position, so that the mixer housing and thus the mixer can be arranged only in the allowable position relative to the intermediate piece.
  • a plurality of permissible positions may be provided if a plurality of positioning elements is present.
  • a number of different positioning elements may also be provided to combine the intermediate piece with static mixers of different types.
  • a coding means By means of a coding means the correct positioning of the intermediate piece is carried out on the dispensing device or the dispensing cartridge.
  • This coding means may be formed in addition to the inlet openings, the inlet openings may in turn already serve as a coding element.
  • Such a coding means is particularly expedient if the two inlet openings or all the inlet openings are configured identically at a plurality of inlet openings.
  • a further advantage of the use of the coding means is that an alignment of the dispensing cartridge or the dispensing device to the intermediate piece can already take place before the plug element can come into contact with the associated inlet opening.
  • the element projects beyond the inlet opening. That is, when assembling intermediate piece and discharge cartridge or Austrag réelle first engages the element in a corresponding counter element on the Dispensing cartridge or dispenser before the inlet ports come into contact with the dispenser or dispensing cartridge.
  • the coding means is designed in particular as a groove or a projection which extends from the inlet side in the axial direction.
  • the axial groove or the projection are arranged outside the inlet openings.
  • the coding means may on the one hand be designed as a groove into which a projection which is arranged on the discharge cartridge or the discharge element can engage.
  • the projection may in particular be designed as an arm, which engages positively in the associated groove on the inlet side of the intermediate piece.
  • the coding means may be formed as a projection, in particular as an arm, which engages in an associated recess on the dispensing cartridge or the dispensing device.
  • the coding means may comprise a first arm and a second arm having different cross-sectional areas.
  • the arms can thus be positioned only in a single position relative to the associated recess, with the result that the intermediate piece can be mounted only in a single position relative to the dispensing device or the dispensing cartridge. A faulty assembly of adapter and discharge or discharge cartridge can thus be excluded.
  • At least one of the first and second arms has a greater length than the coding means, so that when attempting to assemble the intermediate piece in a faulty position relative to the dispensing cartridge or the dispenser, this error is noticed before the Component-containing channels of the discharge cartridge or the dispenser come into contact with the inlet side of the intermediate piece.
  • the cost of the system consisting of the static mixer, the intermediate piece and the discharge device or the discharge cartridge could be reduced, although the number of parts to be produced according to the invention has increased.
  • the tools for the production of the intermediate piece, the static mixer and the housing are designed much simpler compared to the prior art.
  • the adapter is universally applicable and can be easily changed in its construction. Universally applicable means that any static mixers can be combined with any storage containers. It is sufficient to adapt the geometry of the inlet openings of the intermediate piece to the corresponding outlet openings of the storage container, ie the discharge cartridge or the discharge device.
  • the static mixer and the intermediate piece were made as a unit, that is, for example, in a single injection molding cycle.
  • the production by injection molding proves to be difficult, since a long flow path is needed with a small wall thickness, which entails not inconsiderable difficulties for the operation of the injection molding.
  • each of the individual parts can be optimized for injection molding technology. This means that the tools for each item have simpler design, and that the cooling can be made more uniform, since the wall thickness of the items is much less variable than the wall thickness of a complex one-piece injection molding, as is common in the art.
  • the static mixer may find particular use for mixing a thermosetting mix of flowable components.
  • static mixer Another possible use of the static mixer is the mixing of impression compounds in the dental field or the mixture of multicomponent adhesives or the mixture of curing fillers in the construction sector, for example chemical anchors.
  • Fig. 1 shows a section through a static mixer 1 with an intermediate piece 4 according to a first embodiment of the invention.
  • This static mixer 1 for a dispensing cartridge or a dispensing device for a plurality of components comprises a mixer housing 2 which contains at least one static mixing element 3, in particular can be constructed from a plurality of mixing elements, so that preferably a number of similar mixing elements forms a group of mixing elements.
  • Such mixing elements are for example from the EP749776 B or the EP1426099 B1 known or formed in the illustration as a helical mixer with a helical structure.
  • the mixer has the function of mixing the individual components well, so that a substantially homogeneous mixture is formed.
  • the static mixer according to Fig. 1 is attached to a dispensing cartridge or a dispenser for two components by means of an annular Coupling element 5 attached.
  • the coupling element 5 contains the inlet region of the housing 2 of the static mixer and the intermediate piece 4, which contains a first channel 30 and a second channel 40, which each leads a component to the static mixer.
  • more than two channels may also be contained in the intermediate piece 4 if more than two components are to be supplied to the static mixer 1 separately from one another.
  • the coupling element 5 can be fastened, for example, by means of a bayonet fastening means 6, 7 on the dispensing cartridge or the dispensing device.
  • the coupling element could also have a connecting element which engages in counter-element of the discharge or the Austragkartusche, for example, to form a latching connection.
  • the static mixer 1 is thus fastened by means of the coupling element 5 together with the intermediate piece 4 to the discharge cartridge or the dispensing device.
  • the inlet region of the housing 2 of the static mixer has an inlet end 10, which serves to receive the intermediate piece 4.
  • the intermediate piece comprises a first connection element 24 and a second connection element 25, which are separated from one another by a retaining flange 9.
  • the first connection element 24 is accommodated in the interior of the inlet region and can be held in the inlet end 10 by a retaining flange 14, which engages in a circumferential groove 15 of the inlet end 10.
  • the first connection element 24 is thus intended to receive a housing of a static mixer.
  • the adjoining the first connecting element 24 flange 9 serves as a support for the inlet end 10 of the housing of the static mixer.
  • the first connecting element 24 and the second connecting element 25 are cylindrical in this embodiment, could also have a quadrangular, diamond-shaped, rectangular, round, oval or another, matching the associated inlet end 10 cross-sectional area with the same operation.
  • the first connection element 24 has a positioning element 29 for aligning the static mixer with respect to the Connection element on. Also several, in particular two positioning elements can be provided. This measure is advantageously used in mixers in which the mixing quality changes depending on the position of the mixing elements to the position of the intermediate piece.
  • the positioning element 29 indicates the optimum position of the static mixer 1 with respect to the intermediate piece 4.
  • the positioning element 29 as a projection 50 (see Fig.
  • the first connection element 24 comprises a lateral surface 51, on which the projection 50 is attached.
  • the second connection element 25 adjoins the opposite side of the flange 9 and is intended for assembly with a dispensing device or a dispensing cartridge.
  • the first or the second outlet opening 32, 42 configured such that it can be aligned in a suitable position to the static mixer.
  • the shape of the cross-sectional area of at least one of the first or second outlet openings 32, 42 is not rotationally symmetrical, in particular oval or rectangular or diamond-shaped.
  • the first connection element 24, the flange 9, as well as the second connection element 25 contain the first and the second channel 30, 40.
  • the second connection element 25 contains an unillustrated coding means.
  • the intermediate piece 4 is in particular designed such that the first channel 30 has a first center axis 33 and the second channel 40 has a second center axis 43.
  • the second connection element 25 comprises a first coding means 60, 61 and optionally a second coding means 60, 65, the first coding means 60, 61 being opposite one another with respect to a plane which is spanned by the first and second central axes 33, 43 of the channels 30, 40 is arranged to the second coding means 60,65. (see in particular Fig. 2 . 3 such as Fig.
  • the first coding means 60 is formed as an arm 61, wherein the arm can also be referred to as a web.
  • the first arm 61 has a finger element 62 which is intended to engage in an associated recess of the dispensing device or the dispensing cartridge.
  • Finger member 62 may be formed as an axial ledge intended to engage an associated groove of the dispenser or dispensing cartridge.
  • the coding means 60 can also be designed as a groove in the outer jacket of the second connection element 25, which is not shown here in the drawing.
  • coding means 60 It could also be provided only a single coding means 60. If two or more coding means 60 are provided, the coding means also need not be arranged opposite each other. If two or more coding means are provided, the cross-sectional area of at least one of the coding means should be different from the cross-sectional area, or the further coding means, in particular if the coding means are arranged symmetrically to each other.
  • a plurality of coding means 60 may also have an asymmetrical arrangement on the inlet side. Due to the asymmetrical arrangement, which is found in the same way on the Austragkartusche or the dispensing device, a clear positioning of the intermediate piece and thus connectable with the intermediate static mixer to the discharge cartridge or the dispenser can be done.
  • the cross-sectional area of the first inlet port 31 may differ from the cross-sectional area of the second inlet port 41.
  • the element 16 has the function of an optical coding means in this embodiment.
  • An example designed as an oval, polygonal, in particular square or diamond-shaped cross-sectional area element 16 is optically clearly visible, so that the static mixer 1 in Assembly in a unique position to the element 16 can be aligned.
  • the shape of the cross-sectional area of at least one of the first or second inlet openings (31, 41) is preferably not rotationally symmetrical, in particular oval or polygonal, in particular rectangular or diamond-shaped.
  • the intermediate piece 4 is held over the retaining flange 14 in the housing 2 of the mixer.
  • the flange 9 is adapted to the inlet end 10 of the housing 2 and abuts against a shoulder 11 of the inner wall of the coupling element 5.
  • the intermediate piece 4 has an end face 20 on its outlet-side end plate.
  • This end face 20 may be equipped with a guide element, which is designed in particular as a separating edge 17 and / or as a partial barrier 18, for deflecting the component flows, so that the components flow substantially perpendicular to the longitudinal axis 27 of the mixer and parallel to the end face 20 against a divider edge 8 have to.
  • the divider edge 8 is the edge 4 of the first static mixing element 3 facing the intermediate piece 4, which comes into contact with the two components.
  • the end face 20 contains the two outlet openings 31, 41 of the channels 30, 40.
  • the dividing edge 17 is attached to the end face 20 in such a way that each component which exits through the two outlet openings 31, 41 is already divided into two partial streams by the dividing edge 17. in particular two halves, is divided.
  • the component streams of each of the components combine in a collection chamber 23. Subsequently, the streams in the collection chamber are divided again by the divider edge 8 of the static mixer.
  • the separating edge 17 and the divider edge 8 are normal to each other. This has the advantage that the component flow is subdivided into two partial flows which differ in their composition from the partial flows generated by the separating edge 17. This results in a first mixing stage even before the entry of the components in the static mixing elements 3 of the static mixer 1.
  • the mixing ratio of the components of a 1: 1 Mixing ratio corresponds to the division of each component into at least two partial streams and the subsequent union of each of the partial streams of a first mixing stage, because then ensures that the component having the smaller volume fraction, to uniform parts enters the first mixing element 3 of the static mixer ,
  • Each of the partial streams thus contains a proportion of the first and the second component, which corresponds to the mixing ratio.
  • the entry conditions are improved in the static mixer.
  • a partial barrier 18 and further internals for diverting the flow in the direction of the two subspaces of the mixing chamber of the static mixer subdivided by the dividing edge 8 may be provided.
  • the separating edge 17 extends according to Fig. 1 from the end face 20 to a shoulder 22 of the housing 2 of the static mixer, which encloses the collecting space 23.
  • the shoulder 22 connects the inlet area of the housing 2, which extends from the inlet end 10 to an inner surface 21, with the mixing space containing the static mixing elements 3.
  • the mixer elements 3 are positioned in the housing 2 of the static mixer 1 in a first step.
  • the intermediate piece 4 is connected to the inlet region 26 of the housing 2, for example via the retaining flange 14, which is intended for engagement in the groove 15, which runs along the inner wall of the inlet region 26.
  • the element 16 is optically aligned with the static mixer, so that the static mixer 1 and the intermediate piece 4 are assembled in exactly one matching position to each other.
  • the static mixer 1 and the intermediate piece 4 are inserted into the coupling element 5.
  • the intermediate piece 4 is provided with a flange 9 which engages in a groove 13 which is located on the inside of the wall 12.
  • the coupling element 5 is then connected via the bayonet fastening means 6, 7 with the discharge device or the discharge cartridge. This connection only comes about if that Coding means 60 engages in a receiving means of the discharge or the Austragkartusche. In this condition, the system is ready to mix the components.
  • Fig. 2 shows a section through an intermediate piece according to the embodiment according to Fig. 1 or FIG. 13 or FIG. 14
  • the intermediate piece 4 is constructed from the first connection element 24, the flange 9 and the second connection element 25.
  • Several channels 30,40 pass through the first connection element 24, the flange 9 and the second connection element 25.
  • a dispenser or a dispensing cartridge passes through the channels 30, 40 components to be mixed from a dispenser or a dispensing cartridge to a static mixer 1, in which the two components to each other meet and be mixed.
  • a static mixer 1 There are a variety of different dispensers or Austragkartuschen, which serve the storage and transport of the individual components.
  • different types of static mixers are used depending on the desired mixing ratio and required throughput.
  • static mixers can differ in terms of their installations, whereby the flow velocity and the flow guidance changes, they can have different outer diameters, so that different volume flows can be processed, thus achieving a characteristic throughput for the type of static mixer.
  • the spacer 4 is used in order to combine any dispensing or dispensing cartridges with any mixer.
  • the channels 30, 40 of the intermediate piece 4 have inlet openings 31, 41, which engage in a discharge means of a discharge device or discharge cartridge or in which a discharge means can engage.
  • the second connection element 25 is constructed from two pipe sections 34, 44 which project away from the inlet side 52 of the flange 9.
  • tube pieces 34, 44 are received during assembly with a dispensing device or a dispensing cartridge from corresponding outlet openings of the discharge, so in Therefore, they represent an embodiment of a plug-in connection. So that the intermediate piece 4 is in the correct position to the dispensing device or the dispensing cartridge, a coding means 60 may be provided.
  • the coding means 60 comprises an arm 61 which projects from the flange 9 in the direction of the dispensing device or the dispensing cartridge.
  • the arm 61 is attached to the inlet side 52 of flange 9.
  • the arm 61 includes a finger member 62 formed, for example, as a bead, ledge, or protrusion which engages an associated groove or recess of the dispenser or dispensing cartridge when the adapter 4 is assembled with the dispenser or dispensing cartridge.
  • another arm 65 may be provided, which in Fig. 3 is indicated.
  • This arm 65 also includes an engagement element, which is designed here as a recess 66.
  • two arms 61, 65 should differ from one another in such a way that already the correct position of the intermediate piece to the discharge device or the discharge cartridge can be determined visually. This means that the finger element can be seen as a bulge, groin or bead, and the arm 65 has a recess. Thus, mistakes in assembly can be avoided.
  • the different configuration of the first arm 61 with respect to a possible second arm an aid for the optical detection of the correct position.
  • the arm 61 is longer than the plug-in elements, ie the pipe pieces 34, 44, so that the position of the intermediate piece is fixed relative to the dispensing device or the dispensing cartridge, before engagement of the pipe sections 34, 44 takes place with the outlet openings of the discharge or the Austragkartusche.
  • the plug-in elements ie the pipe pieces 34, 44
  • Fig. 3 shows a view of the spacer 4 after Fig. 2 according to a first variant seen from the inlet side 21, so the side to which the dispensing device or the dispensing cartridge is to be attached.
  • the intermediate piece 4 comprises the second connection element 25, which comprises an end face 19 which contains the inlet openings 31, 41. At least one of the inlet ports 31, 41 is configured as an element 16 which allows optical alignment with the static mixer.
  • the first inlet opening 31 has an oval cross-sectional area and the second inlet opening has a diamond-shaped cross-sectional area.
  • the position of the coding means 60 is shown, which in connection with Fig. 2 is described, with reference to the description Fig. 2 should be referenced.
  • Fig. 4 shows a section through an intermediate piece according to a second embodiment. Parts of the intermediate piece 4, which have the same function as in Fig. 2 have the same reference numerals and reference is made to the description of Fig. 2 directed.
  • the diameters of the first and second channels (30, 40) are of the same order of magnitude.
  • the two components are preferably in a mixing ratio which lies in a range from 1: 1 to 2: 1 inclusive.
  • At least one of the first or the second inlet openings 31, 41 is suitable for receiving a plug-in element of the dispensing device or the dispensing cartridge.
  • the plug-in element of the dispensing device or the dispensing cartridge is in Fig. 4 indicated by dashed lines. It may be tubular nozzle, which project through the inlet openings 31, 41 in the channels 30, 40.
  • an encoding means 60 is shown which, as in FIG Fig. 1-3 is constructed and will not be described in detail.
  • Fig. 5 shows a view of the intermediate piece according to the second embodiment Fig. 4
  • the mixer-side view of the intermediate piece 4 is shown, ie its outlet side.
  • the first outlet port 32 of the first channel 30 and the second Outlet opening 42 of the second channel 40 on the end face 20 visible.
  • the first channel 30 in this case has a larger cross-sectional area than the second channel 40.
  • Both channels have, as in Fig. 4 shown, circular inlet openings 31, 41, in Fig. 5 partially visible.
  • the outlet openings 32, 42 have an elliptical cross-sectional area.
  • a circular cross-sectional area in the region of the outlet openings would result in insufficient space for an optional separating edge 18 being available or that the outlets would overlap. Therefore, an oval or elliptical cross-sectional area is provided for the outlet opening, the size of which corresponds to the cross-sectional area of the corresponding circular area having the corresponding inlet opening.
  • the first channel 30 has a larger cross-sectional area than the second channel 40.
  • a positioning element 29 has been arranged opposite to a second positioning element 28, which is similar to the positioning element according to FIG Fig. 3 can be trained.
  • Fig. 6 shows a view of the intermediate piece of the second embodiment of the Fig. 4 in a view on the inlet side 21 of the intermediate piece, which is opposite to the discharge cartridge or the dispensing device.
  • the outlet opening 42 of the channel 40 was not ovalized. In this case, sufficient space is available for the outlet opening 42 so that a circular cross-sectional area can be used, which can be produced less expensively.
  • Fig. 7 shows a view of an intermediate piece 4 according to a third embodiment.
  • the intermediate piece 4 also in this case includes a channel 30 and a channel 40, wherein the cross-sectional area of the channel 30 differs significantly from the cross-sectional area of the channel 40.
  • the channel 40 has a cone visible in the illustration. This cone ensures the gradual transformation of the circular cross-sectional area of the inlet opening 31 into a cross-sectional area which forms the outlet opening 32.
  • the outlet opening 32 encloses the outlet opening 42.
  • tubular plug-in elements of the dispensing appliance or the dispensing cartridge engage in the inlet openings 31, 41, as in FIG Fig. 4 is shown.
  • Fig. 8a shows the view of the input side of the intermediate piece 4 according to the embodiment according to Fig. 7 ,
  • the second connection element 25 is visible, which contains the first and second channels 30, 40, as well as the associated inlet openings 31, 41.
  • the coding means 60 are visible, which are associated with FIG Fig. 2 or Fig. 3 have been described, thus the intermediate piece 4 does not differ on its input side of the embodiment according to Fig. 6 , Also in this case, the flange 9 simultaneously forms the connection element 25.
  • the connection element 25 can also extend as a cylindrical body from the flange 9 in the direction of the input side.
  • Fig. 8b shows the view of the output side of the intermediate piece 4 according to the embodiment according to Fig. 7 ,
  • the outlet opening 32 lies within the outlet opening 42.
  • the inlet opening 41 belonging to the outlet opening 42 is visible in this illustration, because the Cross-sectional area of the channel 40 extending from the inlet opening extended, in particular continuously expanded. If one were to cut the two channels 30, 40 along a plane which contains the central axes 33, 43 of the channels 30, 40, a substantially conical cross-sectional profile may result, at least for the channel 40.
  • Fig. 9 shows an intermediate piece 4 according to a fourth embodiment, which is connected to a static mixer 1 and a dispensing device or a dispensing cartridge.
  • a static mixer 1 Similar to that in the expanded Fig. 7 . 8a . 8b illustrated variant of the cross section of a channel, here the channel 30, from the inlet opening 31 to the outlet opening 32.
  • This embodiment is particularly suitable for mixing ratios which are 4: 1 to 10: 1.
  • two connection elements 25 are provided which, as in FIG Fig. 2 are formed as pipe sections 34, 44 and are suitable for receiving in a corresponding outlet opening of the dispensing cartridge or the dispensing device.
  • Fig. 10 shows the spacer 4 according to Fig. 9 and the entire static mixer 1 and the dispenser or the dispensing cartridge.
  • the intermediate piece 4 according Fig. 9 is injection molding technology optimized, which is based on the representation according to Fig. 11 even more clearly expressed.
  • Fig. 11 is an enlarged view of the intermediate piece after Fig. 10 ,
  • the wall thicknesses of the pipe sections 34, 44 essentially correspond to the wall thicknesses of the connecting element 24 surrounding the channels 30, 40.
  • the channels 30, 40 have a curved course.
  • the curvatures are required to adjust the spacing of the center axes of the inlet openings 31, 41 to the distance between the center axes of the outlet openings 32, 42.
  • the distance between the center axes of the inlet openings 31, 41 is predetermined, since it must match the corresponding distance of the outlet openings of the discharge cartridge or the dispensing device.
  • the course of the curves is preferably such that a minimal pressure loss occurs in the channel.
  • An element 60 which is used as coding means, projects beyond the inlet openings, as already described in connection with the preceding exemplary embodiments. It comprises a finger element 62, which is designed as a projection and which is intended for engagement in a corresponding recess of the dispensing cartridge or the dispensing device.
  • Fig. 12 shows a view of the inlet side of the intermediate piece of Fig. 11 , To the description of the elements designated by the same reference numerals is on Fig. 6 directed.
  • the embodiment according to Fig. 12 differs from Fig. 6 such that the inlet openings 31, 41 are formed as pipe sections 34, 44.
  • the space between the pipe sections 34, 44 is not filled with material, that is, accumulations of material are avoided in order to reduce the consumption of material and to achieve shorter cycle times in the injection molding process.
  • Fig. 13 shows an intermediate piece 4 according to a fifth embodiment, which is connected to a static mixer 1 and a discharge device or a discharge cartridge.
  • This embodiment is particularly suitable for mixing ratios that are 1: 1 to 1: 3.
  • two connection elements 25 are provided which, as in FIG Fig. 2 are formed as pipe sections 34, 44 and are suitable for receiving in a corresponding outlet opening of the dispensing cartridge or the dispensing device.
  • Fig. 14 shows the spacer 4 according to Fig. 13 and the entire static mixer 1 and the dispenser or the dispensing cartridge.
  • the intermediate piece 4 according Fig. 13 is injection molding technology optimized, which is based on the representation according to Fig. 15 even more clearly expressed.
  • Fig. 15 is an enlarged view of the intermediate piece after Fig. 13 ,
  • the wall thicknesses of the pipe sections 34, 44 essentially correspond to the wall thicknesses of the connecting element 24 surrounding the channels 30, 40.
  • the channels 30, 40 have a curved course.
  • the curvatures are required to adjust the spacing of the center axes of the inlet openings 31, 41 to the distance between the center axes of the outlet openings 32, 42.
  • the distance between the center axes of the inlet openings 31, 41 is predetermined, since it must match the corresponding distance of the outlet openings of the discharge cartridge or the dispensing device.
  • the course of the curves is preferably such that a minimal pressure loss occurs in the channel.
  • An element 60 which is used as the coding means, projects beyond the inlet openings 31, 41, as already described in connection with the preceding exemplary embodiments. It comprises a finger element 62, which is designed as a projection and which is intended for engagement in a corresponding recess of the dispensing cartridge or the dispensing device.
  • Fig. 16 shows a view of the inlet side of the intermediate piece of Fig. 15 .
  • Fig. 6 such as Fig. 12 directed.
  • the embodiment according to Fig. 15 differs from Fig. 12 in such a way that the inlet openings are of the same order of magnitude.
  • two opposite coding means 60 are also shown.
  • the two coding elements 60 have finger elements 62, 63.
  • the first finger element 62 differs in shape from the second finger element 63.
  • the first finger element 62 has a smaller wall thickness than the second finger element 63.
  • corresponding recesses are provided on the discharge cartridge or the dispensing device, in which exactly one of the two finger element fits.
  • the finger elements do not fit into the corresponding opening so that a mistake in assembly is noticed before the inlet openings 31, 41 with come into contact with the filling material of the discharge cartridge or the dispensing device.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Accessories For Mixers (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Claims (14)

  1. Mélangeur statique, qui est prévu pour une liaison avec une cartouche de distribution ou un appareil de distribution pour plusieurs composants, comprenant
    - un élément mélangeur statique (3),
    - un boîtier de mélangeur (2),
    - une pièce intermédiaire (4) et
    - un élément d'accouplement (5),
    dans lequel l'élément mélangeur (3) est agencé à l'intérieur du boîtier de mélangeur (2) et la pièce intermédiaire (4) est agencée à l'intérieur de l'élément d'accouplement (5),
    l'élément d'accouplement (5) est prévu pour la fixation du mélangeur sur la cartouche de distribution ou sur l'appareil de distribution et la pièce intermédiaire (4) comporte un premier canal (30) pour un premier composant et un second canal (40) pour un second composant, de sorte que le premier canal (30) traverse la pièce intermédiaire (4) séparément du second canal (40), et dans lequel il est prévu une première ouverture d'entrée (31) qui débouche dans le premier canal (30), ainsi qu'une seconde ouverture d'entrée (41) qui débouche dans le second canal (40), et dans lequel il est prévu au moins un moyen de codage (16, 60, 61, 62, 65) au moyen duquel il est possible de procéder à un positionnement correct de la pièce intermédiaire (4) sur l'appareil de distribution ou sur la cartouche de distribution,
    caractérisé en ce que
    l'élément mélangeur (3), le boîtier de mélangeur (2), la pièce intermédiaire (4) et l'élément d'accouplement (5) sont réalisés sous forme de pièces individuelles, et
    la pièce intermédiaire (4) dispose d'un premier élément de raccordement (24) qui est destiné à la réception du boîtier de mélangeur (2) et qui comporte un élément de positionnement (28, 29, 50) pour l'orientation de la pièce intermédiaire (4) par rapport au boîtier de mélangeur (2), de sorte que le boîtier de mélangeur (2) ne peut être agencé que dans une position admissible par rapport à la pièce intermédiaire (4).
  2. Mélangeur statique selon la revendication 1, dans lequel le moyen de codage (16) est réalisé par la forme de la surface de section transversale de la première ouverture d'entrée (31).
  3. Mélangeur statique selon la revendication 2, dans lequel la surface de section transversale de l'une au moins de la première et de la seconde ouverture d'entrée (31, 41) est ovale, ronde ou polygonale, en particulier en forme de losange ou de rectangle.
  4. Mélangeur statique selon l'une des revendications précédentes, dans lequel l'une au moins de la première et de la seconde ouverture d'entrée (31, 41) est appropriée pour la réception d'un élément enfichable de l'appareil de distribution ou de la cartouche de distribution.
  5. Mélangeur statique selon la revendication 4, dans lequel le moyen de codage (16) comprend l'une au moins de la première et de la seconde ouverture d'entrée (31, 41) et est réalisé comme un élément enfichable destiné à être reçu dans un évidement correspondant de la cartouche de distribution ou de l'appareil de distribution.
  6. Mélangeur statique selon la revendication 5, dans lequel l'élément enfichable est réalisé sous la forme d'une pipe tubulaire.
  7. Mélangeur statique selon l'une des revendications précédentes, comprenant une bride (9) qui se raccorde au premier élément de raccordement (24) et qui sert d'appui pour le boîtier de mélangeur (2), ainsi qu'un second élément de raccordement (25), qui se raccorde sur le côté opposé de la bride (9) et est destiné à l'assemblage avec un appareil de distribution ou avec une cartouche de distribution, et dans lequel le premier élément de raccordement (24), la bride (9) et le second élément de raccordement (25) contiennent le premier et le second canal (30, 40).
  8. Mélangeur statique selon la revendication 7, dans lequel le premier élément de raccordement (24) comprend l'élément de positionnement (29) pour l'orientation du boîtier de mélangeur (2) par référence à l'élément de raccordement (24).
  9. Mélangeur statique selon la revendication 8, dans lequel l'élément de positionnement (29) est conçu sous la forme d'une saillie (50).
  10. Mélangeur statique selon la revendication 9, dans lequel le premier élément de raccordement (24) comporte une surface enveloppe (51) sur laquelle est rapportée la saillie (50).
  11. Mélangeur statique selon la revendication 1, dans lequel le moyen de codage (60) comporte une gorge axiale ou une saillie sur le côté de l'entrée (21) à l'extérieur de l'ouverture d'entrée (31, 41).
  12. Mélangeur statique selon la revendication 11, dans lequel le moyen de codage (60) comprend un premier bras (61) et un second bras (65), lesquels présentent des surfaces de section transversale différentes.
  13. Mélangeur statique selon la revendication 12, dans lequel le premier bras (61) est agencé à l'opposé du second bras (65), par référence à un plan de coupe qui contient les axes du premier et du second canal (30, 40).
  14. Mélangeur statique selon la revendication 13, dans lequel l'un au moins du premier ou du second bras (61, 65) a une longueur plus grande que le moyen de codage (16).
EP10152758.8A 2009-02-11 2010-02-05 Pièce intercalaire destinée à la liaison d'un récipient de stockage et d'un mélangeur statique Active EP2221114B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP14194644.2A EP2848320B1 (fr) 2009-02-11 2010-02-05 Pièce intercalaire destinée à la liaison d'un récipient de stockage et d'un mélangeur statique
EP10152758.8A EP2221114B1 (fr) 2009-02-11 2010-02-05 Pièce intercalaire destinée à la liaison d'un récipient de stockage et d'un mélangeur statique

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Application Number Priority Date Filing Date Title
EP09152495 2009-02-11
EP10152758.8A EP2221114B1 (fr) 2009-02-11 2010-02-05 Pièce intercalaire destinée à la liaison d'un récipient de stockage et d'un mélangeur statique

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EP2221114A1 EP2221114A1 (fr) 2010-08-25
EP2221114B1 true EP2221114B1 (fr) 2014-12-24

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US (1) US8672188B2 (fr)
EP (2) EP2221114B1 (fr)
JP (1) JP5748958B2 (fr)
KR (1) KR101698411B1 (fr)
CN (1) CN101829512B (fr)
AU (1) AU2010200458B2 (fr)
BR (1) BRPI1000321A2 (fr)
CA (1) CA2686581C (fr)
ES (2) ES2532018T3 (fr)
IL (1) IL202532B (fr)
RU (1) RU2010104683A (fr)
TW (1) TWI524931B (fr)

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Also Published As

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RU2010104683A (ru) 2011-08-20
AU2010200458B2 (en) 2014-08-21
KR101698411B1 (ko) 2017-01-20
CA2686581C (fr) 2017-06-27
ES2532018T3 (es) 2015-03-23
JP2010184234A (ja) 2010-08-26
IL202532B (en) 2018-01-31
TW201043330A (en) 2010-12-16
TWI524931B (zh) 2016-03-11
EP2848320A1 (fr) 2015-03-18
CA2686581A1 (fr) 2010-08-11
EP2848320B1 (fr) 2017-06-07
US20100200614A1 (en) 2010-08-12
US8672188B2 (en) 2014-03-18
AU2010200458A1 (en) 2010-08-26
CN101829512B (zh) 2015-05-20
KR20100091895A (ko) 2010-08-19
CN101829512A (zh) 2010-09-15
EP2221114A1 (fr) 2010-08-25
ES2639786T3 (es) 2017-10-30
BRPI1000321A2 (pt) 2012-02-28
JP5748958B2 (ja) 2015-07-15

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