Cartridge assembly and method of assembling cartridge assembly

Abstract

The invention relates to a cartridge assembly and a method of assembling a cartridge assembly. The cartridge assembly may include: first and second cartridges for storing first and second materials; a head portion disposed at a first outlet of the first cartridge, the head portion forming at least a portion of an outlet device of the cartridge assembly; the outlet device; a plug element arranged at the second outlet of the second cartridge and closing the second outlet of the second cartridge in the storage state, the plug element being configured to be introduced into the head portion and cooperating with a closure of the outlet device, the sealing piece can be removed from the first outlet of the first material barrel and the second outlet of the second material barrel and can be attached to the first outlet of the first material barrel and the second outlet of the second material barrel; wherein the plug element is removed from the second outlet upon removal of the closure from the cartridge assembly and is insertable into the second outlet upon replacement of the closure at the cartridge assembly.

Description

Technical Field

[0001] The present invention relates to a cartridge assembly and to a method of assembling a cartridge assembly. Background Art

[0002] Dispensing systems exist in a variety of forms that can be used in a multitude of applications ranging from dental applications, medical applications, veterinary applications to industrial applications, and the like.

[0003] The dispensing system usually has an outlet which can be connected to a cartridge so that the material stored in the cartridge is guided to the application point via the outlet. If a two-component material is to be dispensed (such as adhesives, paints, molding materials, impression materials, etc.), the dispensing system comprises two cartridges, one for each component of the material to be dispensed.

[0004] Two-component cartridges are known in a large number of designs and are generally provided to store two materials which, after being dispensed from the cartridge, are to be mixed with one another to form a 2K material.

[0005] There are systems in which the two barrels of the 2K system can be interchanged and connected to each other. However, these systems are often difficult to connect, and the connection is not particularly efficient.

[0006] For this reason, it is an object of the present invention to provide a simple to use 2K cartridge assembly which can be connected to one another in an improved manner. Another object of the present invention is to obtain a simple and cost-effective method of manufacturing such a cartridge assembly. Summary of the invention

[0007] This object is achieved by a cartridge assembly according to the respective independent claim.

[0008] This cartridge assembly includes:

[0009] a first cartridge and a second cartridge for storing a first material and a second material;

[0010] a head portion arranged at a first outlet of the first cartridge, the head portion forming at least a part of an outlet arrangement of the cartridge assembly;

[0011] said outlet device;

[0012] A plug element, which is arranged at the second outlet of the second cartridge and closes the second outlet of the second cartridge in a storage state, the plug element being configured to be introduced into the head portion and to cooperate with a closure of the outlet device, the closure being removable from and attachable to the first outlet of the first cartridge and the second outlet of the second cartridge, wherein the plug element is removed from the second outlet after the closure is removed from the cartridge assembly and is insertable into the second outlet before replacing the closure at the cartridge assembly.

[0013] The outlet device may comprise a receiving portion which is configured to receive a front end portion of the plug element. In this way, a design which is as compact as possible can be achieved.

[0014] The housing may be a rectangular or at least substantially rectangular housing.In this way, alignment of the coding can be ensured, thereby allowing the plug element to be placed in a discrete orientation only at the head portion.

[0015] The outlet device may further comprise a snap-fit ​​element. The snap-fit ​​element may be deflected after the plug element is introduced into the head portion of the outlet device. The snap-fit ​​element may comprise one or more windows. Such windows are simple parts and are reliable in use.

[0016] The second outlet comprises one or more noses, and wherein the one or more noses respectively engage one of the one or more windows.The nose is simple to manufacture in a complementary shape to such a window.

[0017] The nose may be arranged at an outer surface of the second outlet.In this way, the cartridge assembly can be assembled in a quick and efficient manner.

[0018] The nose may protrude radially outwardly from the second outlet.In this way, the cartridge assembly can be assembled in a quick and efficient manner.

[0019] The one or more windows may be formed in a wall of the receptacle.In this way, the cartridge assembly can be assembled in a quick and efficient manner.

[0020] The window may be formed in the second end of the housing.In this way, the shape-complementary parts of the snap element are arranged at a position which allows a simpler production of the locking members.

[0021] A portion of the second outlet may protrude beyond the first end of the receiving portion. In this way, the outlet opening of the second outlet can be more easily accessed.

[0022] The second outlet may be introduced into the receptacle when the plug element is introduced into the head portion. In this way, the cartridge assembly can be assembled and manufactured in a fast and efficient manner.

[0023] The second outlet may be introduced into the housing via the second end of the housing. In this way, the cartridge assembly can be assembled in a quick and efficient manner.

[0024] The outlet device may include a connector configured to releasably attach the closure to the head portion. In this way, the cartridge assembly can be closed after use and stored intermittently before subsequent use. Moreover, the same connector can be used, for example, to connect an accessory (e.g., a mixing tip) to the cartridge assembly.

[0025] The second outlet may comprise a portion of the connector.

[0026] The second outlet may comprise the portion of the connector on an outer surface thereof. Providing the portion at the outer surface means that it can be manufactured more easily, for example in an injection moulding process.

[0027] The connector may be a bayonet mount. This type of connector is simple to manufacture, simple to use and allows a closure to be quickly and securely attached to a cartridge assembly.

[0028] The part of the connector may be a rib of the bayonet mount and in particular may reinforce the bayonet mount so that it is only completed when the second outlet is introduced into the head portion. Having the bayonet mount also located at the side of the outlet device where the second outlet is present ensures an improved locking of the closure to the outlet device.

[0029] Such a cartridge assembly may include: a first cartridge and a second cartridge for storing a first material and a second material; a head portion arranged at a first outlet of the first cartridge, the head portion forming at least a part of an outlet device of the cartridge assembly; the outlet device; a plug element arranged at the second outlet of the second cartridge and closing the second outlet of the second cartridge in a storage state, the plug element being configured to be introduced into the head portion and to cooperate with a closure member of the outlet device, the closure member being removable from the first outlet of the first cartridge and the second outlet of the second cartridge and being attachable to the first outlet of the first cartridge and the second outlet of the second cartridge, wherein the plug element is removed from the second outlet when the closure member is removed from the cartridge assembly and can be inserted into the second outlet when the closure member at the cartridge assembly is replaced.

[0030] Such a cartridge assembly is simple to use, since when assembling the cartridge assembly the outlet of the second cartridge is simply inserted into the head portion and thereby the plug element can be connected to the closure, so that the cartridges can be connected to each other in an improved manner.

[0031] The production of such a cartridge assembly can be performed in a simple and cost-effective manner, for example in an injection molding process or using additive manufacturing techniques.

[0032] At this point, it should be noted that the head portion generally refers to that portion of the cartridge that includes the outlet, wherein the head portion is that portion of the outlet device that can be connected to a dispensing outlet (such as a static mixer and a dynamic mixer, respectively) and can be complementarily shaped with the dispenser for use with the cartridge assembly.

[0033] At this point it is noted that such a plug element can be used for sealing the second outlet of the second cartridge, ie it is inserted into the second outlet and in turn also serves as an element to be inserted into the head portion, respectively the closure.

[0034] At this point, it should be further noted that a closure is generally a component used to close the cartridge assembly after use of the cartridge assembly.

[0035] The respective ends of the first and second cartridges away from the first outlet of the first cartridge and the second outlet of the second cartridge may include connecting means, wherein the connecting means are configured to be connected to each other. In this way, the first and second cartridges can be connected to each other at the ends away from the head portion.

[0036] The connection means may be formed by one or more tongue and groove connections. Such tongue and groove connections are simple to use and facilitate simple assembly of the cartridge assembly.

[0037] The outlet device may comprise a housing configured to receive and hold the front end of the plug element, in particular a truncated cone-shaped housing. Such a housing may be used to receive and store the plug element in a simple manner.

[0038] The receiving portion can be a truncated cone-shaped receiving portion. This shape is dimensionally stable and can be easily manufactured from plastic.

[0039] The plug element can be configured to be connected to the closure via a plug connector. Such a plug connector can be simply inserted into the closure.

[0040] The plug element may comprise a lip extending in the circumferential direction as a plug connector.Such a lip is simple to produce and can be snap-fitted into place at the receiving portion, for example, by passing through an opening in the receiving portion and then engaging the edge of the receiving portion.

[0041] The plug connector (ie the circumferentially extending lip) may have a triangular shape in a cross section thereof taken parallel to the longitudinal axis of the plug element. Such a shape facilitates insertion into the opening and abutting against the edge of the receiving portion.

[0042] The plug element can cooperate with the closure via a snap-fit ​​connection. Such a snap-fit ​​connection is simple to use and stable to use. The snap-fit ​​connection can include a plug connector. The snap-fit ​​connection can further include a receiving portion. In this way, a snap-fit ​​connection is formed between the receiving portion and the plug element.

[0043] The plug element may further comprise a snap-in element. Such a snap-in element may advantageously be used to connect the plug element to the closure and enable the plug element to be detached from the second outlet.

[0044] The snap element can be deflected after the plug element is introduced into the head portion of the outlet device. This deflection enables the plug element to be disengaged, for example, from the outer surface of the second outlet. This deflection can include a rotation or radially outward deformation of a part of the snap element.

[0045] The snap element may comprise two limbs connected to the base. Such limbs may be deflected when the plug element is inserted into the closure.

[0046] The base may extend radially outwards from a body of the plug element.Such a body may for example be formed as a tubular body, ie a component having a cylindrical shape.

[0047] The snap-on element may further comprise one or more windows. Such windows may be used to attach the snap-on element to the outlet in a simple manner.

[0048] The second outlet may comprise one or more noses, and wherein the one or more windows respectively engage one of the one or more noses.In this way, the plug element may be connected to the outlet in an easy manner.

[0049] The snap element may be deflected by means of rotation when the plug element is inserted into the head portion.After the plug element is rotated relative to the second outlet, the engagement between the plug element and the second outlet at the outer surface of the second outlet may be released.

[0050] The snap element can be deflected radially outwards at a deflection structure present in one of the head portion and the outlet device. By means of this deflection (that is, the deformation of a part of the snap element), the engagement between the plug element and the second outlet at the outer surface of the second outlet can be released.

[0051] The plug element may include one of an abutment surface and a thread.Such a structure may be beneficially used to deflect the plug element and thereby release the engagement between the plug element and the outer surface of the outlet.

[0052] A respective one of the limbs may comprise a respective one of the windows.In this way, a design of the plug element which is as compact as possible may be produced.

[0053] The receiving portion may comprise one or more elongated slots. Such elongated slots facilitate the introduction of the plug element into the receiving portion.

[0054] The plug element may comprise alignment means configured to align the plug element relative to the second outlet when inserted into the second outlet. Such alignment means ensures that the plug element is correctly placed in the second outlet.

[0055] The alignment means may comprise a spline extending parallel to the longitudinal axis of the cartridge assembly.Such a spline can be advantageously used to guide the plug element into the second outlet, particularly when the spline is additionally configured to cooperate with a correspondingly shaped groove formed in the second outlet.

[0056] The first cartridge and the second cartridge are filled with the first material and the second material. The multi-component material is, for example, a two-component adhesive comprising a filler material and a hardener. In order to obtain the best possible mixing result, for example an adhesive having a desired bonding strength, the multi-component material must be mixed thoroughly.

[0057] According to another aspect, the present application further relates to a method of assembling a cartridge assembly, optionally a cartridge assembly as described in the foregoing, the method comprising the steps of:

[0058] - inserting the plug element attached to the second outlet of the second cartridge into the head portion attached to the first outlet of the first cartridge; and

[0059] The plug element is attached to an outlet device including the head portion.

[0060] For example, the plug element may be guided through the opening of the head portion before coming into contact with a receptacle of a closure of the outlet device.The plug element may be snap-fitted into place at the receptacle of the closure. BRIEF DESCRIPTION OF THE DRAWINGS

[0061] Further embodiments of the invention are described in the following description of the drawings. The invention will be explained in detail below by means of embodiments and with reference to the drawings, in which:

[0062] Figure 1a and Figure 1bfor a first type of cartridge assembly after and before assembly;

[0063] Figure 2a to Figure 2d 1 is a diagram showing various stages of assembly of the cartridge assembly of FIG. 1 ;

[0064] Figure 3a to Figure 3d A view similar to FIG. 2 of a second type of cartridge assembly before and after assembly;

[0065] Figure 4a and Figure 4b A third type of barrel assembly after and before assembly;

[0066] Figure 5a to Figure 5d 4 is a diagram showing various stages of assembly of the cartridge assembly;

[0067] Figures 6a to 6d A view similar to FIG. 4 of a fourth type of cartridge assembly before and after assembly;

[0068] Figure 7 a to Figure 7 c is a view of a fourth type of cartridge assembly before, during and after assembly;

[0069] Figure 8 yes Figure 7 A cross-sectional view of an assembled barrel assembly;

[0070] Fig. 9 is a cross-sectional view of a barrel of a barrel assembly;

[0071] Fig.10a and Fig.10b yes Figure 7 A view of the assembled barrel assembly;

[0072] Fig.11 yes Figure 7 A view of a bayonet type connector of a cartridge assembly;

[0073] Fig.12a and Figure 12b yes Figure 7 a view of a snap-fit ​​connection present at a cartridge assembly of FIG. 1 ; and

[0074] Figures 13a to 13c yes Figure 7 View of the connected parts of the barrel assembly. DETAILED DESCRIPTION

[0075] Figure 1aThe cartridge assembly 10 is shown before assembly. The cartridge assembly 10 comprises a first cartridge 12 and a second cartridge 14 for storing a first material M and a second material M'. The cartridge assembly 10 further comprises a head portion 16 arranged at a first outlet 18 of the first cartridge 12. The head portion 16 forms part of an outlet device 20 of the cartridge assembly 10.

[0076] At this point, it should be noted that the outlet device 20 includes the second outlet 24 of the second cartridge 14, a plug element 22 arranged at the second outlet 24 of the second cartridge 14, a closure 26 for closing and opening the assembled cartridge assembly 10, and a cap 90 attached to the head portion 16.

[0077] The plug element 22 is configured to close the second outlet 24 of the second cartridge 14 in the storage state and to be removed from the second outlet 24 when the cartridge assembly 10 is opened in the use state of the cartridge assembly 10 for dispensing.

[0078] The plug element 22 is configured to be introduced into the head portion 16 and to cooperate with a closure 26 of the outlet device 20 once the plug element 22 has been introduced into the outlet device 20 .

[0079] For this purpose, the plug element 22 is inserted into the opening 84 of the head portion 16 and is guided through the head portion 16 until it engages the closure 26 of the outlet device 20, as for example in Figure 2c as shown in .

[0080] The opening 84 is formed complementary in shape and size to at least a portion of the plug element 22. The reason for this is that the opening 84 of the head portion 16 is configured to guide and align the plug element 22 (i.e., the second cartridge 24) when the plug element 22 is introduced into the outlet device 20 to properly assemble the second cartridge 24 to the first cartridge 18.

[0081] In the present example, the opening 84 has an approximately square shape with rounded edges. Similarly, the outer portion of the plug element 22 likewise has an at least approximately square shape with rounded edges having a similar radius.

[0082] At this point, it should be noted that the shape of the opening 84 and / or the portion of the plug element 22 can be selected from the group of members including: at least approximately square, square, at least approximately rectangular, rectangular, at least approximately triangular, triangular, at least approximately polygonal, polygonal, at least approximately oval and oval.

[0083] The closure 26 is removable from and attachable to the first outlet 18 of the first cartridge 12 and the second outlet 24 of the second cartridge 14. The plug element 22 is attached and fastened to the closure 26 so that the plug element 22 is removed from the second outlet 24 when the closure 26 is removed from the cartridge assembly 10, and can be inserted into and attached to the second outlet 24 again when the closure 26 at the cartridge assembly 10 is replaced.

[0084] The plug element 22 further comprises a snap element 48 at its end opposite to its front end 40. The snap element 48 is configured to retain the plug element 22 at an outer surface 86 of the second outlet 24 before the plug element 22 is introduced into the closure 26.

[0085] The respective ends 28, 30 of the first cartridge 12 and the second cartridge 14 remote from the first outlet 18 of the first cartridge 12 and the second outlet 24 of the second cartridge 14 comprise connection means 32. The connection means are configured to connect the first cartridge 12 and the second cartridge 14 to each other.

[0086] The connection device 32 is formed by connecting one or more tongues 34 and grooves 36. Figure 1a and Figure 1b In the example shown in FIG. 1 , a pair of tongues 34 and grooves 36 are provided. The tongue 34 may be formed of a cylindrical shape, which is then inserted into the complementary circular shaped groove 36 as indicated. Alternatively, other shapes that facilitate the connection between the first cartridge 12 and the second cartridge 14 may also be selected, such as, for example, in FIG. Figure 4a and Figure 4b As indicated in .

[0087] At this point, it should be noted that the groove 36 may also be formed on the second cartridge 124 , and the tongue 34 may be provided at the first cartridge 12 .

[0088] like Figure 1a and Figure 1b As further indicated in , the tongue 34 and groove 36 connection may further include an axial abutment 98 .

[0089] This axial abutment 98 may snap fit into place when the first and second cartridges 12 , 14 are coupled and thereby prevent axial movement away from the head portion 16 along the longitudinal axis A of the second cartridge 14 .

[0090] At the other end of the second cartridge 14 , a second outlet 24 is at least partially formed complementarily to the head portion 16 and abuts axially against the head portion 16 , thereby preventing an axial movement of the second cartridge 14 beyond the head portion 16 .

[0091] In this regard, it should be further noted that the length of each tongue 34 may be selected within the range of 5% of the length of one of the first and second barrels 12 , 14 to 20% of the length of one of the barrels 12 , 14 .

[0092] Similarly, the length of each groove 36 is typically selected to complement the length of each tongue 34, that is, the length of each groove 36 can be selected within the range of 5% of the length of one of the first and second barrels 12, 14 to 20% of the length of one of the barrels 12, 14.

[0093] Figure 1b The cartridge assembly 10 is shown when the first cartridge 12 and the second cartridge 14 have been connected to each other. In this state, the first and second cartridges are connected to each other via the tongue 34 and groove 36 connection and the plug element 22 is connected to the closure 26.

[0094] Figure 2a to Figure 2d Various views showing various stages of assembly of the cartridge assembly 10 of FIG. 1 are shown.

[0095] Figure 2a shows a similar structure to that shown before the plug element 22 of the second cartridge 14 is inserted into the head portion 16. Figure 1a The head portion comprises, on its outer surface, an external thread 88 via which a cap 90 can be connected to the head portion 16 in order to fasten the closure 26 to the outlet device 20 in the storage state.

[0096] At this point it should be noted that the cap may also be attached using different connection means such as a bayonet connection.

[0097] The housing 38 is arranged at the closure 26. The housing comprises two grooves 72 at opposite sides thereof, an opening 80 and a rim 82 surrounding the opening. The plug element 22 is configured to be inserted into the housing 38 and to have its front end 40 guided through the opening 80 and then to be fastened to the housing at the rim 82.

[0098] The receiving portion 38 may have a truncated cone shape, as indicated in the figure. This facilitates the function of the receiving portion 38 to receive and retain the front end 40 of the plug element 22. When the plug element is inserted into the receiving portion, the groove 72 permits a certain radial flexion of the receiving portion to allow the front end 40 to pass through the opening 80.

[0099] The plug element 22 is configured to be connected to the closure 26 via a plug connector 42. In the example shown, the plug element 22 comprises a lip 44 as the plug connector 42 extending in the circumferential direction.

[0100] The plug connector 42 , ie the circumferentially extending lip 44 , has a triangular shape in a cross section thereof taken parallel to the longitudinal axis A of the plug element 22 .

[0101] This means that the outer surface forming the front end 40 of the plug connector is inclined relative to the longitudinal axis A so that it tapers outwardly from the opening 80 toward the rearward surface 92. This inclined surface permits a simple transition of the front end 40 through the opening 80, while the radially outwardly protruding rearward surface 92 is located on the edge, thereby preventing the front end 40 from returning through the opening 80.

[0102] Thereby, a snap-fit ​​connection 46 is formed between the plug element 22 and the closure 26 . In the present example, the snap-fit ​​connection is formed between the plug connector 42 and the receiving portion 38 .

[0103] Figure 2b The cartridge assembly 10 is shown prior to assembly (ie, prior to introduction of the plug element 22 into the opening 84 of the head portion 16 and prior to connection of the plug element 22 to the closure 26). Figure 2a Side view of the barrel assembly.

[0104] Figure 2c The plug element 22 is shown after being snap-fitted into position at the closure 26. Figure 2b The snap element 48 comprises two limbs 50 connected to a base 60. The base 60 extends radially outward from the body 78 of the plug element 22. To accommodate the snap element 48, the head portion comprises a reservoir 54 (see Figure 2b ). The reservoir may include a tapered surface 56 in the head portion 16.

[0105] When the plug element 22 is inserted into the head portion 16, the plug element 22 enters the reservoir 54 and comes into contact with the abutment surface 58 at the front end of the reservoir. This causes the base 60 to deform, causing the limbs 50 to deflect radially outward.

[0106] The limbs 50 comprise abutments 52 configured to engage a truncated plug 62 of the second outlet 24 in the storage state of the second cartridge 14. Upon radially outward directed deflection of the limbs 50, these abutments 62 disengage from the plug 62, permitting removal of the plug element 22 from the second outlet 24.

[0107] Figure 2c The radial deflection of the limb 50 and the disengagement of the snap element 48 from the plug 62 are now shown.

[0108] Figure 2d Shown relative to Figure 2cAnother side view rotated 90°. This figure shows how the plug element 22 is connected to the housing 38 of the closure 26. When the closure 26 is removed, both the first outlet 18 and the second outlet 24 are open and the plug 76 of the plug element 22 can be removed from the second outlet 24 and the plug 94 can be removed from the first outlet 18.

[0109] Figure 3a to Figure 3d 2 is a view similar to FIG. 2 of a second type of cartridge assembly 10 before and after assembly.

[0110] like Figure 3b As indicated in FIG. 1 , the reservoir comprises an internal thread 68. This thread 68 drives the plug element 22, thereby causing the plug element 22 to rotate about the longitudinal axis A of the second outlet 24. As a result, the corresponding window 64 of each of the limbs 50 of the snap element 48 is disengaged from the corresponding nose 66 (see FIG. 1 ). Figure 3a ), so that the plug element 22 is released from the outer surface 86 of the second outlet to remove the plug element 22 from the second outlet 24 when the closure 26 is removed.

[0111] The front end 40 of the plug element 22 engages the receptacle in a similar manner to the previous examples.

[0112] and Figure 3b compared to, Figure 3c It is shown how the plug element 22 has been rotated relative to the second outlet 24 .

[0113] Figure 3d It is shown that a rotation of the plug element 22 of up to 90° is possible.

[0114] In this regard, other rotation amounts are also possible, for example, the relative rotation of the plug element 22 and the second outlet 24 when the plug element 22 is inserted into the head portion may be selected within a range of 30° to 180°.

[0115] Figure 4a and Figure 4b A third type of cartridge assembly 10 is shown before and after assembly.

[0116] The difference from the cartridge assembly 10 shown in FIG. 2 is the type of closure 26 used and the type of tongue 34 and groove 36 connection.

[0117] The closure 26 includes two arms 70 that can be deflected around the base 74 of the closure 26 when the closure 26 is opened. In the storage state, the two arms 70 engage in the recesses 96 of the head portion 16. The two arms 70 can be deflected radially outwardly to disengage from the recesses 96. When the closure 26 is inserted back into the outlet 18, 24, the arms 70 can be deflected back into the recesses 96. Figure 5bshows how this bonding occurs. Figure 5d As indicated in , the receptacle 38 is formed at the base 74 of the closure 26 .

[0118] The tongue 34 and groove 36 connection is formed by a T-shaped tongue 34 engaging two complementarily shaped grooves 36, such as Figure 4b As indicated in .

[0119] Figure 5a to Figure 5d 4. The plug element 22 is formed similarly to the plug element 22 shown in FIG. 2, wherein the closure 26 is formed like the closure 26 shown in FIG.

[0120] Not indicated is the tongue 34 and groove 36 connection, as it may be formed as indicated in FIG. 1 and as shown in FIG. 4 , respectively.

[0121] Figures 6a to 6d 4 is a view of a fourth type of cartridge assembly before and after assembly. The plug element 22 is formed similarly to the plug element 22 shown in FIG. 3 , wherein the closure 26 is formed like the closure 26 shown in FIG. 5 .

[0122] Not indicated is the tongue 34 and groove 36 connection, as it may be formed as indicated in FIG. 1 and as shown in FIG. 4 , respectively.

[0123] The snap element 48 of the plug element 22 is configured to engage an outer surface 86 of the second outlet 24 in its storage state, wherein after the plug element 22 is introduced into the head portion 16 of the outlet device 20 , the snap element 48 is deflected relative to the second outlet 24 .

[0124] The snap element 48 may be deflected by rotation when the plug element 22 is inserted into the head portion 16 (see, e.g., FIGS. 3 and 6 ), or at a deflection structure present in one of the head portion 16 and the outlet device 20 (see, e.g., FIGS. 2 and 5 ).

[0125] When assembling the cartridge assembly 10, the plug element 22 attached to the second outlet 24 of the second cartridge 14 is introduced into the head portion 16 of the first outlet 14 attached to the first cartridge 12. When introduced into the head portion 16 and / or into the closure 26, the plug element 22 is deflected to disengage from the outer surface 86 of the second outlet via the snap element and snap into place at the closure 26.

[0126] The multi-component material M, M' is, for example, a two-component adhesive comprising a filler material and a hardener. In order to obtain the best possible mixing result, for example an adhesive having a desired bond strength, the multi-component material M, M' must be mixed thoroughly.

[0127] Thus, the first cartridge 12 and the second cartridge 14 can be filled with materials M, M' selected from a member group consisting of: topical medications, medical fluids, wound care fluids, cosmetic and / or skin care preparations, dental fluids, veterinary fluids, adhesive fluids, disinfecting fluids, protective fluids, paints, and combinations of the foregoing.

[0128] Thus, such materials M, M', and therefore cartridge assembly 10, may be advantageously used for treatment of target areas such as the nose (e.g., antihistamine creams, etc.), ears, teeth (e.g., molds for implants or cheek applications (e.g., small ulcers, gum treatments, mouth sores, etc.), eyes (e.g., precise deposition of medications on the eyelids (e.g., chalazions, infections, anti-inflammatory drugs, antibiotics, etc.), lips (e.g., herpes), mouth, skin (e.g., antifungal, melasma, acne, warts, psoriasis, skin cancer treatments, tattoo removal medications, wound healing, scar treatments, stain removal, anti-itch applications, etc.), other dermatological applications (e.g., skin nails (e.g., antifungal applications or strengthening formulas, etc.), or cytology applications.

[0129] Alternatively, the material M, M' and therefore the cartridge assembly 10 can also be used in the industrial sector, both for the production of products and for the repair and maintenance of existing products, for example in the construction industry, the automotive industry, the aerospace industry, the energy industry, for example for wind turbines, etc. The cartridge assembly 10 can, for example, be used for dispensing building materials, sealants, bonding materials, adhesives, paints, coatings and / or protective coatings.

[0130] Figure 7 a to Figure 7 c is a view of a fourth type of cartridge assembly before, during and after assembly. The cartridge assembly 10 also includes a first cartridge 12 and a second cartridge 14 for storing a first material M and a second material M'. The plug element 100 is also arranged at the second outlet 24 of the second cartridge 14, and closes the second outlet 24 of the second cartridge 14 in its storage state. The plug element 100 is configured to be introduced into the head portion 16 and cooperate with the closure 26 of the outlet device 20. The closure 26 can be removed from the first outlet 18 of the first cartridge 12 and the second outlet 24 of the second cartridge 14, and can be attached to the first outlet 18 of the first cartridge 12 and the second outlet 24 of the second cartridge 14. Different from the previous cartridge assembly, the plug element 100 is removed from the second outlet 18 after removing the closure 26 from the cartridge assembly 10, and is inserted into the second outlet 18 only before replacing the closure 26 at the cartridge assembly 10, that is, it cannot be introduced while the closure 26 is arranged at the cartridge assembly 10.

[0131] If you can Figure 8As seen in the cross-sectional view of , the outlet device 20 comprises a receiving portion 102 configured to receive the front end portion 40 of the plug element 100. The receiving portion 38 is a receiving portion 102 of at least substantially rectangular shape.

[0132] The outer surface 104 of the second outlet 24 includes a nose 66 that engages the window 64 of the receptacle 102 and a protrusion 138 that engages the aperture 134 of the plug element 100 to form another snap-fit ​​connection between the second outlet 24 and the plug element 100 .

[0133] Fig. 9 yes Figure 7 1 is a cross-sectional view of the second cartridge 14 of the cartridge assembly 10 of FIG. The plug element 100 comprises a top end 130 and wings 132 protruding from and extending parallel to a body 133 of the plug element 100. A plug 136 of the plug element protrudes between the wings 132 and exceeds the wings at an end 131 of the plug element disposed opposite the top end.

[0134] The wing 132 includes an aperture 134 that cooperates with a protrusion 138 present at the outer surface of the second outlet 24 .

[0135] Fig.10a and Fig.10b Shows Figure 7 1. It can be seen that the plug 124 for the first outlet 18 can be inserted into the first outlet 18 together with the closure 26 and removed from the first outlet 18 together with the closure 26. The plug 124 can either be removable from the closure or be integral therewith, i.e., can or can not be removed from the closure 26.

[0136] The plug 124 includes a base plate 126 having an aperture through which at least a portion of the plug element 100 can be directed when attaching the first cartridge 12 to the second cartridge 14. After assembly, the top end 130 protrudes through the aperture 128.

[0137] When assembling the cartridge assembly 10, the second cartridge 14 is connected to the first cartridge, after which the closure 26 is locked to the head portion. In the present example, the closure 26 includes an elongated hole through which a portion of the plug 124 passes. The elongated hole 142 is configured to receive a portion of the plug 124, and once the closure 26 is rotated relative to the plug 124 and the head portion 16, the elongated hole rotates so that the plug 124 cannot be removed from the elongated hole 142 and thus cannot be removed from the closure (see also Figure 7 a to Figure 7 c).

[0138] Fig.11A connector 110 is shown present at the head portion for connecting to the closure 26. In this example, the connector is a bayonet type connector having two bayonet mounts 114 present at the head portion 16 that are configured to cooperate with corresponding features present in the closure 26.

[0139] A portion 112 of a bayonet mount 114 is formed at the second outlet 24 and is only completed when the second outlet is attached to the head portion and only ensures that the closure 26 is securely locked to the head portion 16. The portion 112 of the connector 100 is a rib 116 of said bayonet mount 114.

[0140] To do this, the outlet device 20 further comprises a snap-fit ​​element 48 formed by cooperating windows 64 and noses 66. Two such pairs of noses and cooperating windows 64 are arranged at the outer surface 104 of the second outlet 24.

[0141] The snap-in element 48 is deflected after the plug element 100 has been introduced into the head section 16 of the outlet device 20 . The nose 66 projects radially outwards from the second outlet 24 and into the window 64 present on the head section 16 .

[0142] One or more windows 64 are formed in the wall of the housing 102 present at the head portion 16. The window 64 is formed in the second end of the housing 102.

[0143] Fig.12a and Figure 12b Shown in Figure 7 A snap-fit ​​connection 140 is present between the second outlet 24 and the plug element 100 (see FIG. Fig.12a A second snap-fit ​​connection exists between the second outlet 24 and the head portion 16 .

[0144] Figures 13a to 13c Shows Figure 7 1 is a view of the connected parts of the barrel assembly. As can be clearly seen, Fig.13a The plug element 22 shown in FIG. 1 comprises an alignment feature 118 configured to align the plug element 102 relative to the second outlet 24 when inserted into the second outlet 24 .

[0145] The alignment feature 118 includes a spline 120 extending parallel to the longitudinal axis A of the cartridge assembly 10. Fig.13b As further shown in FIG. 1 , the splines 120 cooperate with correspondingly shaped grooves 122 formed in the second outlet 24 .

[0146] As in Fig.13cAs can be seen in the partial cross-sectional view of , the alignment feature 118 ensures that the plug element 102 can be placed into the second outlet in only a few discrete orientations.

[0147] Such an alignment means 118 can also be provided on the cartridge assembly 10 shown in conjunction with FIGS. 1 to 6 .

[0148] List of reference numerals:

[0149] 10 Barrel assembly

[0150] 12 Barrel

[0151] 14 Barrel

[0152] 16 Head

[0153] 18, 18' 12 outlet, 18 outlet opening

[0154] 20 Exit device

[0155] 22 Plug element

[0156] 24, 24' 14 outlet, 24 outlet opening

[0157] 26 Closure

[0158] 28 12 end

[0159] 30 14 end

[0160] 32 Connectors

[0161] 34 Tongue and Groove

[0162] 36 grooves

[0163] 38 Accommodation

[0164] 40 22 front end

[0165] 42 Plug connector

[0166] 44 Lip

[0167] 46 Snap-fit ​​connection

[0168] 48 snap-on components

[0169] 50 Limbs

[0170] 52 Adjacent part

[0171] 54 Storage

[0172] 56 16 conical surface

[0173] 58 Adjacent surfaces

[0174] 60 22 base

[0175] 62 Truncated plug

[0176] 64 Windows

[0177] 66 Nose

[0178] 68 Thread

[0179] 70 Arm

[0180] 72 slots

[0181] 74 base

[0182] 76 Plug

[0183] 78 body

[0184] 80 38 openings

[0185] 82 38 edge

[0186] 84 16 openings

[0187] 86 External surface

[0188] 88 External thread

[0189] 90 Cap

[0190] 92 Backward Surface

[0191] 94 Plug

[0192] 96 recess

[0193] 98 Adjacent part

[0194] 100 Plug element

[0195] 102 accommodating part

[0196] 104 24 outer surface

[0197] 106 The second end of 102

[0198] 108 The first end of 102

[0199] 110 Connectors

[0200] 112 Part of a closure member

[0201] 114 Bayonet bracket

[0202] 116 Ribs

[0203] 118 Alignment Device

[0204] 120 Spline

[0205] 122 groove

[0206] 124 Plug for first outlet

[0207] 126 124 base plate

[0208] 128 124 pores

[0209] 130 100 top end

[0210] 132 100 Wings

[0211] 134 132 pores

[0212] 136 100 plug

[0213] 138 24 protrusion

[0214] 140 Snap fit formed by 136 and 138 142

[0216] A Longitudinal axis

[0217] M, M' materials, materials.

Claims

1. A barrel assembly (10), comprising: A first cartridge (12) and a second cartridge (14) for storing a first material (M) and a second material (M'); a head portion (16) arranged at a first outlet (18) of the first cartridge (12), the head portion (16) forming at least a part of an outlet device (20) of the cartridge assembly (10); The outlet device (20); A plug element (100) is arranged at a second outlet (24) of the second cartridge (14) and closes the second outlet (24) of the second cartridge (14) in a storage state, the plug element (100) being configured to be introduced into the head portion (16) and to cooperate with a closure (26) of the outlet device (20), the closure (26) being removable from and attachable to the first outlet (18) of the first cartridge (12) and the second outlet (24) of the second cartridge (14), wherein the plug element (100) is removed from the second outlet (18) after the closure (26) is removed from the cartridge assembly (10) and is insertable into the second outlet (18) before replacing the closure (26) at the cartridge assembly (10).

2. The cartridge assembly (10) according to claim 1, wherein: The respective ends (28, 30) of the first cartridge (12) and the second cartridge (14) remote from the first outlet (18) of the first cartridge (12) and the second outlet (24) of the second cartridge (14) comprise connecting means (32), wherein the connecting means (32) are configured to be connected to each other.

3. The cartridge assembly (10) according to claim 1 or claim 2, wherein: The connection device (32) is formed by connecting one or more tongues (34) and grooves (36).

4. The cartridge assembly (10) according to any one of claims 1 to 3, wherein: The outlet device (20) comprises a receiving portion (102) configured to receive a front end portion (40) of the plug element (100).

5. The cartridge assembly (10) according to claim 5, wherein: The receiving portion (38) is a receiving portion (102) in a rectangular shape or at least in a substantially rectangular shape.

6. The cartridge assembly (10) according to any one of claims 1 to 5, wherein: The outlet device (20) further comprises a snap-fit ​​element (48).

7. The cartridge assembly (10) according to claim 6, wherein: The snap-in element (48) is deflected after the plug element (100) has been introduced into the head section (16) of the outlet device (20).

8. The cartridge assembly (10) according to claim 6 or claim 7, wherein: The snap-fit ​​element (48) includes one or more windows (64).

9. The cartridge assembly (10) according to claim 8 and any one of claims 6 to 7, wherein: The second outlet (24) includes one or more noses (66), and wherein the one or more noses (66) respectively engage one of the one or more windows (64).

10. The cartridge assembly (10) according to claim 9, wherein: The nose (66) is disposed at an outer surface (104) of the second outlet (24).

11. The cartridge assembly (10) according to claim 9 or claim 10, wherein: The nose (66) projects radially outwardly from the second outlet (24).

12. The cartridge assembly (10) according to any one of claims 9 to 11 and any one of claims 4 to 8, wherein: The one or more windows (64) are formed in a wall of the receiving portion (102).

13. The cartridge assembly of claim 12, wherein: The window (64) is formed in a second end portion of the receiving portion (102).

14. The cartridge assembly according to any one of claims 4 to 13, wherein: A portion of the second outlet (24) protrudes beyond the first end of the receiving portion (102).

15. The cartridge assembly according to any one of claims 4 to 14, wherein: The second outlet is introduced into the receptacle when the plug element (100) is introduced into the head section (16).

16. The cartridge assembly of claim 15, wherein: The second outlet (24) is introduced into the accommodating portion (102) via a second end portion of the accommodating portion (102).

17. The cartridge assembly according to any one of claims 1 to 16, wherein: The outlet device (20) includes a connector (110) configured to releasably attach the closure (26) to the head portion (16).

18. The cartridge assembly of claim 17, wherein: The second outlet (24) includes a portion (112) of the connector (110).

19. The cartridge assembly of claim 18, wherein: The second outlet (24) includes the portion (112) of the connector (110) on an outer surface thereof.

20. The cartridge assembly according to any one of claims 17 to 19, wherein: The connector (110) is a bayonet mount (114).

21. The cartridge assembly according to claim 20 and any one of claims 18 and 19, wherein: The portion (112) of the connector (100) is a rib (116) of the bayonet mount (114).

22. A cartridge assembly (10), comprising: A first cartridge (12) and a second cartridge (14) for storing a first material (M) and a second material (M'); a head portion (16) arranged at a first outlet (18) of the first cartridge (12), the head portion (16) forming at least a part of an outlet device (20) of the cartridge assembly (10); The outlet device (20); A plug element (22), which is arranged at the second outlet (24) of the second cartridge (14) and closes the second outlet (24) of the second cartridge (14) in a storage state, the plug element (22) being configured to be introduced into the head portion (16) and to cooperate with a closure (26) of the outlet device (20), the closure (26) being removable from the first outlet (18) of the first cartridge (12) and the second outlet (24) of the second cartridge (14) and being attachable to the first outlet (18) of the first cartridge (12) and the second outlet (24) of the second cartridge (14), wherein the plug element (22) is removed from the second outlet (18) when the closure (26) is removed from the cartridge assembly (10) and is insertable into the second outlet (18) when the closure (26) at the cartridge assembly (10) is replaced.

23. The cartridge assembly (10) of claim 22, wherein: The respective ends (28, 30) of the first cartridge (12) and the second cartridge (14) remote from the first outlet (18) of the first cartridge (12) and the second outlet (24) of the second cartridge (14) comprise connecting means (32), wherein the connecting means (32) are configured to be connected to each other.

24. The cartridge assembly (10) of claim 22 or claim 23, wherein: The connection device (32) is formed by connecting one or more tongues (34) and grooves (36).

25. The cartridge assembly (10) according to any one of claims 22 to 24, wherein: The outlet device (20) includes a receiving portion (38) configured to receive and retain a front end portion (40) of the plug element (22).

26. The cartridge assembly (10) of claim 25, wherein: The receiving portion (38) is a truncated cone-shaped receiving portion (38).

27. The cartridge assembly (10) according to any one of claims 22 to 26, wherein: The plug element (22) is configured to be connected to the outlet device (20) via a plug connector (42).

28. The cartridge assembly (10) of claim 27, wherein: The plug element (22) includes a lip (44) extending in the circumferential direction as the plug connector (42).

29. A cartridge assembly according to claim 27 or claim 28, wherein: The plug connector (42), ie the circumferentially extending lip (44), has a triangular shape in a cross section thereof taken parallel to the longitudinal axis (A) of the plug element (22).

30. The cartridge assembly (10) according to any one of claims 22 to 29, wherein: The plug element (22) cooperates with the closure (26) via a snap-fit ​​connection (46).

31. The cartridge assembly (10) according to claim 30 and any one of claims 27 to 29, wherein: The snap-fit ​​connection (46) includes the plug connector (42).

32. The cartridge assembly (10) of claim 25 and claim 31, wherein: The snap-fit ​​connection (46) further comprises the receiving portion (38).

33. The cartridge assembly (10) according to any one of claims 22 to 32, wherein: The plug element (22) further comprises a snap element (48).

34. The cartridge assembly (10) of claim 34, wherein: The snap-in element (48) is deflected after the plug element (22) has been introduced into the head section (16) of the outlet device (20).

35. The cartridge assembly (10) of claim 33 or claim 34, wherein: The snap element (48) comprises two limbs (50) connected to a base (60).

36. The cartridge assembly (10) of claim 35, wherein: The base (60) extends radially outward from a body (78) of the plug member (22).

37. The cartridge assembly (10) according to any one of claims 33 to 36, wherein the snap element further comprises one or more windows (64).

38. The cartridge assembly (10) according to claim 37 and any one of claims 22 to 36, wherein: The second outlet (24) includes one or more noses (66), and wherein the one or more windows (64) respectively engage one of the one or more noses (66).

39. The cartridge assembly (10) according to any one of claims 25 to 38, wherein: The latching element (48) is deflected by means of a rotation when the plug element (22) is inserted into the head section (16).

40. The cartridge assembly of any one of claims 25 to 39, wherein: The snap element (48) is radially deflected at a deflection structure present in one of the head portion (16) and the outlet device (20).

41. The cartridge assembly (10) according to any one of claims 22 to 40, wherein: The plug element (22) includes one of an abutment surface (58) and threads (68).

42. The cartridge assembly (10) according to any one of claims 35 to 41, wherein: A respective one of the limbs (50) includes a respective one of the windows (64).

43. The cartridge assembly (10) according to any one of claims 25 to 42, wherein: The receiving portion (38) includes one or more elongated slots (70).

44. The cartridge assembly (10) according to any one of claims 1 to 43, wherein: The plug element (22; 102) comprises an alignment means (118) configured to align the plug element (22; 102) relative to the second outlet (24) when inserted into the second outlet (24).

45. The cartridge assembly (10) of claim 44, wherein: The alignment feature (118) includes a spline (120) extending parallel to a longitudinal axis (A) of the cartridge assembly (10).

46. ​​The cartridge assembly (10) of claim 45, wherein: The splines (120) cooperate with correspondingly shaped grooves (122) formed in the second outlet (24).

47. The cartridge assembly 10 of any one of claims 1 to 46, wherein: The first cartridge (12) and the second cartridge (14) are filled with the first material (M) and the second material (M').

48. A method of assembling a cartridge assembly (10), optionally a cartridge assembly according to any one of claims 1 to 47, the method comprising the steps of: - inserting the plug element (22) attached to the second outlet (24) of the second cartridge (14) into the head portion of the first outlet (14) attached to the first cartridge (12); and The plug element (100; 22) is accordingly inserted into / attached to an outlet device (20) comprising the head portion (16).

Images