EP2747898A1 - Système composé de cartouches et de mélangeurs - Google Patents

Système composé de cartouches et de mélangeurs

Info

Publication number
EP2747898A1
EP2747898A1 EP12744010.5A EP12744010A EP2747898A1 EP 2747898 A1 EP2747898 A1 EP 2747898A1 EP 12744010 A EP12744010 A EP 12744010A EP 2747898 A1 EP2747898 A1 EP 2747898A1
Authority
EP
European Patent Office
Prior art keywords
mixer
cartridge
cartridges
mixers
type
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP12744010.5A
Other languages
German (de)
English (en)
Other versions
EP2747898B1 (fr
Inventor
Alexander Bublewitz
Jens-Peter Reber
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.)
3lmed GmbH
Original Assignee
Kettenbach GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from PCT/EP2011/068784 external-priority patent/WO2012055926A1/fr
Application filed by Kettenbach GmbH and Co KG filed Critical Kettenbach GmbH and Co KG
Priority to EP12744010.5A priority Critical patent/EP2747898B1/fr
Publication of EP2747898A1 publication Critical patent/EP2747898A1/fr
Application granted granted Critical
Publication of EP2747898B1 publication Critical patent/EP2747898B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • B01F33/50112—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 of the syringe or cartridge type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/56—General build-up of the mixers
    • 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
    • B05C17/00506—Means for connecting the outlet element to, or for disconnecting it from, the hand tool or its container
    • B05C17/00513—Means for connecting the outlet element to, or for disconnecting it from, the hand tool or its container of the thread type
    • 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
    • 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
    • B05C17/00596—The liquid or other fluent material being supplied from a rigid removable cartridge having no active dispensing means, i.e. the cartridge requiring cooperation with means of the handtool to expel the material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/2305—Mixers of the two-component package type, i.e. where at least two components are separately stored, and are mixed in the moment of application
    • 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
    • B05C17/00506—Means for connecting the outlet element to, or for disconnecting it from, the hand tool or its container
    • 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
    • B05C17/00506—Means for connecting the outlet element to, or for disconnecting it from, the hand tool or its container
    • B05C17/00509—Means for connecting the outlet element to, or for disconnecting it from, the hand tool or its container of the bayonet type
    • 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
    • B05C17/00566—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 a dynamic mixer in the nozzle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/32—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging two or more different materials which must be maintained separate prior to use in admixture
    • B65D81/325—Containers having parallel or coaxial compartments, provided with a piston or a movable bottom for discharging contents

Definitions

  • the invention relates to a system of several different types of similar cartridges and several different types of similar, connectable with these mixers.
  • the cartridges are preferably formed as double cartridges with two interconnected containers, each having an outlet or an outlet.
  • the containers can be arranged one behind the other, side by side (eg parallel) or in one another (tube-in-tube).
  • the mixers are each provided with two inlet openings or nozzles which can be coupled to the outlet openings or nozzles of the cartridges.
  • the system comprises at least two types of cartridges, which differ in that the ratio of the volumes of their containers is different.
  • Cartridges of the same type are understood to mean cartridges which, regardless of the volume ratios of their containers, have an identical total volume. Often similar cartridges are actuated with the same dispenser. In the dental field, for example, it is customary to empty so-called large cartridges with a total filling quantity of both containers together of 380 ml by means of a motor-driven discharge device. In such large cartridges exist different types, for example. Directly filled cartridges and filled with tubular bags cartridges, or cartridges, where the volume or cross-sectional ratios of the containers are different. However, all of these large cartridges are considered similar if they have the same total volume.
  • Dynamic mixers which are often used with large cartridges, are considered to be similar mixers, although the cross-sections of the mixing tubes may vary or, in some dynamic mixers, a jam or reservoir chamber is provided and not in others.
  • Static mixers which are commonly used with the smaller 50 ml cartridges, are also considered to be similar mixers, regardless of differences in the length or cross section of the respective mixing tube or regardless of the presence of a reservoir or reservoir chamber in the inlet area of the mixer or independent of the number of mixing elements.
  • a double cartridge with two containers with a 1: 1 different ratio of the volumes of their containers and a matching dynamic mixer are known from EP 1 943 012 B1.
  • the mixer can be connected to the double cartridge by inserting an inlet port of the mixer into an outlet port of the one container of the dual cartridge, while the second inlet port of the mixer is plugged onto an outlet port of the smaller container of the double cartridge.
  • the diameters of the inlet and outlet are according to the Volume ratio of the containers of different sizes.
  • a coding nose is provided on the mixer, which engages in a corresponding recess of the cartridge when the mixer is placed in its relative to the double cartridge correct orientation, ie such that the larger inlet port of the mixer and the larger outlet port of the cartridge and the smaller inlet port of the mixer and the smaller outlet port of the cartridge can interlock.
  • a cartridge with an associated mixer is known from EP 0 600 138 B1, wherein at least one strip is provided on the mixer, which can be brought into a corresponding groove on the neck of the cartridge connection in engagement.
  • the mixer may receive an incision that serves to receive a cam on the cartridge port.
  • the storage cylinders of the cartridge known from EP 0 600 138 B1 can each have either the same or different volumes or cross sections / geometries.
  • each cartridge with a different volume ratio of the containers it is usually common for each cartridge with a different volume ratio of the containers to be individually associated with a mixer which matches the cross-sections of the inlet and outlet openings to the cartridge.
  • a mixer it is also possible to set up a mixer on two different cartridges of different volume ratios, the correct assignment of the suitable for a cartridge mixer is often done by a color marking on the cartridge and the mixer. For example, for a 50 ml 1: 1 cartridge there are several mixers with different lengths, diameters and mixing elements, whose coding nose is identical, sitting in the same position and having identical cross sections of the inlet channels and thus all fitting to one cartridge.
  • Object of the present invention is in contrast to provide a system of several different cartridges and mixers, which can be produced with reduced manufacturing costs and at the same time allows a defined assignment of a matching to a cartridge mixer.
  • the invention is based on the idea that the size of the inlet openings or nozzles in each mixer type and the size of the outlet openings or nozzles is the same for each cartridge type.
  • the identical design of the inlet openings or nozzles and the outlet openings or nozzles, the interface between the cartridge and mixer can be made largely identical, whereby only minimal modifications to the manufacturing tools are required.
  • each type of mixer is equipped with a guide projection extending from the other types of mixers in cross-section different axial direction of the mixer, and that each cartridge type with one of the other types equipped by cartridges in cross-section different opening for receiving a guide projection of a mixer.
  • the inventively provided guide projection of the mixer with the correspondingly shaped opening of the cartridge fulfills in addition to the function of the known for example from EP 0 600 138 B1 or EP 1 943 012 B1 coding for alignment of the mixer relative to the cartridge additionally the function that only Certain types of mixers are connectable to certain types of cartridges, although the inlet ports or ports of the mixers and the outlet ports or ports of the cartridges per se permit communication of any type of mixer with each type of cartridge.
  • the cross-sectional ratios of the containers of, for example, the smaller 50 ml cartridges can be used. 1: 1, 1: 2, 1: 4, 1: 10, all with an identical to the cross section of the respective guide projections interface are designed.
  • the guide projection is provided on the mixer, while the cartridge is provided with a correspondingly shaped opening for receiving the guide projection.
  • a guide projection may be formed on the cartridge, which engages in a correspondingly shaped opening of the mixer.
  • the inlet openings or nozzles and outlet openings or nozzles are not considered according to the invention as a guide projection or opening. Rather, the guide projection is an additional feature provided on the mixer or the cartridge.
  • each cartridge type is provided with an internal thread and each type of mixer is externally threaded.
  • the external thread of each mixer type can be screwed into the respective internal thread of each cartridge type.
  • the interface for attaching the mixer to the cartridge is designed substantially identical in all mixers and cartridges of the system.
  • the cartridge is a surrounding the outlet openings or nozzle ring is provided which is provided with the internal thread
  • the mixer each has a provided with the external thread mixer housing which is freely rotatable to a lid or insert, which has the inlet openings or nozzles of the mixer.
  • each type of cartridge is connectable to just one of the types of mixers and / or each type of mixer is connectable to only one of the types of cartridges.
  • a mixer for two different types of cartridges can be used.
  • two different mixers can be placed on the same cartridge type.
  • it is also according to the invention it is possible to design the mixers and cartridges so as to preclude the use of a mixer on a different cartridge type or cartridge with a different type of mixer. It is thus also possible to assign exactly one mixer to exactly one cartridge.
  • the inventive design of the inlet openings or nozzles and the outlet openings or nozzles with identical design for all types of mixers and for all types of cartridges entails that the cross sections of the inlet openings or nozzles and the outlet openings or nozzles to the maximum in the system expected volume passage are adjusted.
  • this can be regarded as disadvantageous since the flow resistance of the components thereby deviates greatly from one another.
  • This can be, for example, an insert or an element formed integrally with the cartridge, which reduces the cross-section of the outlet opening or the outlet nozzle and / or acts as a throttle point.
  • This lumen-reduced element is preferably arranged such that it is provided outside the actual contact area between mixer and cartridge, so that the placement of the mixer on the cartridge is not impaired thereby.
  • the guide projections of the mixers and / or the openings of the cartridges may be in accordance with a preferred embodiment of the invention in cross-section annular segment or polygonal. Alternatively or additionally, the guide projections may be of different types of mixers and / or the openings of different types of cartridges differently shaped and / or differently positioned projections and / or in cross-section Have recesses. Notwithstanding the aforementioned examples, other embodiments of the cross sections of the guide projections or the openings are possible, provided that an assignment of a specific mixer to a particular cartridge is thereby made possible.
  • the system according to the invention can be so-called dynamic mixers, i. Mixer with a rotatably driven mixing element, or have static mixer with a non-drivable mixing element.
  • dynamic mixers i. Mixer with a rotatably driven mixing element
  • static mixer with a non-drivable mixing element.
  • two types of mixers of the system may also differ in that the mixing space provided in each mixer has different diameters for different types of mixers. In this way, for example, different viscosities of the materials to be processed are taken into account.
  • the mixers of the system according to the invention are preferably designed such that their guide projections are spaced from the inlet openings or nozzles and spaced from the external thread. Neither the thread as a fastener nor the inlet openings or nozzles for connecting the mixer to the cartridge thus serve as a means for assigning a mixer to a cartridge type.
  • the respective guide projection is for this purpose longer than the nozzle and is active before the threaded engagement.
  • baffle may prevent the mixer from contacting the cartridge if the mixer is improperly seated (e.g., tilted). This avoids material carryover and cross contamination.
  • the partition wall and the guide projection of the mixer preferably protrude in the axial direction via the inlet openings or stubs, so that these two elements additionally prevent the inlet openings or stubs of the mixer from being aligned with the outlet openings or stubs of the cartridge in an improper orientation to meet.
  • the guide projection may be provided with a (mechanical) coding as described above, i. with a contour that is adapted to the contour of an opening of the cartridge, that the mixer is connectable only in a certain orientation with the cartridge.
  • the outlet openings or nozzles of the cartridges are closable with a removable sealing plug.
  • the plug can be connected in the delivery state of the cartridge with this and is removed before the first use of the cartridge.
  • the closure stopper has two nozzles which can be inserted into the outlet openings or nozzles of the cartridges and at least one snap-in element which is connected to the nozzle via an elastically twistable torsion element such that the nozzles are relative to the at least one locking element are elastically rotatable.
  • the latching element is preferably connectable to the internal thread of the cartridges, and in particular formed as a hook, which engages behind the threaded end in the circumferential direction.
  • the torsion element makes it possible for the part of the sealing stopper provided with the at least one detent element to be rotated relative to the part of the sealing stopper provided with the neck in order to release the detent connection.
  • the latching hook itself and / or at least one circumferentially adjacent to the latching hook provided web supported on a thread of the cartridge so that the closure plug is lifted at a rotation of the at least one latching element of the cartridge.
  • FIG. 1 a in side view a cartridge of the system according to the invention
  • FIG. 1 c shows the contour of an opening for a further cartridge of the system according to the invention
  • FIG. 1 d shows the Kontor of a further opening of a cartridge of the system according to the invention
  • FIG. 2a shows a mixer which can be connected to a cartridge according to FIG.
  • FIG. 2b shows a mixer which can be connected to a cartridge according to FIG.
  • FIG. 2 c shows a cartridge according to FIG. 1 a or the cartridge according to FIG.
  • FIG. 3a in side view of the mixer of Figure 2b with the cartridge after
  • FIG. 1 b
  • Figure 3b shows a detail of the connected to the cartridge of Figure 1 b
  • FIG. 4b shows another mixer and another cartridge of the system according to FIG. 4a
  • FIG. 5 shows a cartridge in a partially broken side view of a closure plug
  • FIG. 6 shows a perspective view of the sealing plug according to FIG. 5
  • Figure 7 is a one-piece closure element in perspective view
  • FIG. 8 is a perspective view of the closure element according to FIG. 7
  • FIG. 10 is a perspective view of the rotary closure according to FIG. 9;
  • FIG. 1 in perspective view of the dispensing piston of Figure 9, and
  • FIG. 12 shows a sectional view of a cartridge system according to the invention.
  • FIGS. 1 a and 1 b each show a double cartridge 1 a or 1 b, which consist of two interconnected containers 2, 3 and a connection region 4.
  • a comparison of Figures 1 a and 1 b shows that the container 2, 3 different cross-sections and while having the same length may have different volumes.
  • the ratio of the volumes of the two containers 2 and 3 in the embodiment of Figure 1 a for example, 10: 1 while the ratio of the volumes of the container in Figure 1 b, for example, 1: 1, wherein total volume of the cartridges 1 a and 1 b is identical (eg 50ml).
  • Cartridges 1 a and 1 b are thus considered to be two different types of similar cartridges.
  • connection region 4 of the cartridges has in each case an outlet connection 5 or 6 for each container 2 or 3.
  • the Outlet nozzle 5, 6 may protrude from a circular plate 7 in the illustrated embodiment and are additionally surrounded by a ring 8 which is provided with an internal thread 9.
  • a through hole is formed, wherein the opening 10a in Figure 1 a has a slightly different cross-section from that of the opening 10b in Figure 1 b.
  • both openings 10a, 10b are each designed approximately ring segment-like and have at different positions on a projecting into the opening projection. Further examples of the cross section of such openings are shown in Figures 1 c and 1 d, these differing by the position of the projection within the ring segment-like opening.
  • FIGS. 2a to 2c each show various types of identical static mixers 11a, 11b, 11c, which have a housing and an insert rotatable relative thereto.
  • the housings which each define a mixing space, can be designed with different cross sections.
  • an external thread 12 is provided in each case, which is screwed into the internal thread 9 of the cartridges.
  • the use of the mixer has in each case inlet ports, which can be inserted into the outlet ports 5, 6 of the cartridges.
  • the outlet ports 5, 6 of the cartridges regardless of the volume ratio of the container have the same cross section, so also have the inlet nozzle of the mixer 1 1 a, 1 1 b and 1 1 c each have the same cross-section.
  • a guide projection 13a, 13b, 13c is provided on the insert, which extends parallel to the inlet nozzle in the direction of the cartridge.
  • the guide projection has a cross section which is adapted to the cross section of the openings in the connection region 4 of the cartridges.
  • the cross section of the guide projection 13a is selected such that it can be inserted into the opening 10a of the cartridge 1a, but not into the opening 10b of FIG Cartridge 1 b.
  • the guide projection 13b of the mixer 1 1 b is designed so that it is inserted into the opening 10b of the cartridge 1 b, but not in the opening 10a of the cartridge 1 a.
  • the guide projection 13c of the mixer 1 1 c is designed so that it can be inserted both into the opening 10a of the cartridge 1a and into the opening 10b of the cartridge 1b.
  • the guide projections 13a and 13b are thus each comparable with an individual key and the guide projection 13c with a general conclusions.
  • a further detail of the mixers or cartridges can be seen in FIGS. 3a and 3b.
  • a plurality of latching cams 14 are provided on the end facing the mixer on the ring 8 of the cartridges, while on the mixer latching cams 15 are respectively formed on the housing.
  • the locking cams 14 and locking counter cams 15 are arranged so that a locking counter cam 15 snaps over a locking cam 14 when the mixer is screwed with its external thread 12 completely into the internal thread 9 of a cartridge.
  • FIG. 4 a shows a dynamic mixer 20 a with a cartridge 21 a suitable for this purpose.
  • the structure of the cartridge 21 a substantially corresponds to that of the previously described cartridges 1 a and 1 b, wherein the connection region 4 of the cartridge 21 a is formed so that instead of the above the plate 7 projecting outlet 5, 6 only outlet openings 5, 6 are provided.
  • a passage opening is provided between the outlet openings 5, 6, through which a drive shaft for rotational drive of the mixing element of the mixer 20 a can be performed.
  • two respective ring-segment-like openings 22 are formed instead of the single opening in the plate 7 in Figure 4a.
  • the mixer 20a is provided with two also in cross section annular segment-shaped guide projections 23 which extend parallel to the inlet port 24 and 25 respectively.
  • the attachment of the mixer 20 a to the cartridge 21 a is carried out as described above by first the guide projections 23 are inserted into the corresponding openings 22 of the cartridge 21 a.
  • the mixer 20 a is connected to the cartridge 21 a, wherein the inlet ports 24, 25 of the mixer 20 a in the outlet openings 5 and 6 of the cartridge 21 a engage ,
  • the mixer 20b instead of the two guide projections 23, only a single guide projection 23 of ring-segment cross-section is provided on the mixer 20b.
  • the cartridge 21b only has an opening 22 which is annular in cross-section.
  • the mixer 20b is thus connected only to the cartridge 21 b, but not with the cartridge 21 a.
  • the mixer 20a is connectable only to the cartridge 21 a, but not with the cartridge 21 b.
  • Figures 5 and 6 show a closure plug 26 with two in the outlet openings or nozzles 5, 6 of a cartridges insertable nozzle 27 and at least one latchable on the cartridges latching element 28.
  • the locking element 28 is formed as a latching hook with the nozzle 27 via a elastically twistable torsion element 29 is connected such that the nozzle 27 are elastically rotatable relative to the latching element 28.
  • Figure 5 shows that the locking element 28 is connectable to the internal thread 9 of the cartridge by the hook engages behind the threaded end in the circumferential direction.
  • the torsion element 29 makes it possible that the provided with the at least one locking element ring-like part of Closing plug is rotated relative to the provided with the nozzle 27 part of the sealing plug to release the locking connection.
  • the invention also relates to a one-piece closure element shown in FIGS. 7 and 8, which can be placed on a cartridge instead of the mixer.
  • a one-piece closure element shown in FIGS. 7 and 8, which can be placed on a cartridge instead of the mixer.
  • two plugs 27 or nozzles are provided, which can be inserted sealingly into the outlet 5 and 6 respectively.
  • the plugs 27 are each connected via a web 29, which acts as a torsion spring, to a sleeve which can be inserted into the collar of the outlet end of the cartridge.
  • An extended edge of the sleeve which is provided with a knurling, rests on the front side of the collar when the closure element is sealingly placed on the cartridge.
  • the closure element can be secured in the collar (ring 8) by means of latching hooks 28, which engage behind the thread segments of the internal thread 9 and thus lock the closure element onto the cartridge.
  • latching hooks 28 engage behind the thread segments of the internal thread 9 and thus lock the closure element onto the cartridge.
  • the sleeve can be twisted slightly with the knurling, wherein the web 29 twists, since the plug 27 initially stuck in the outlet 5 and 6 respectively.
  • This distortion of the web 27 acting as a torsion element makes it possible for the latching hooks 27 to be disengaged from the thread segments of the internal thread 9 so that the closure element can be removed from the cartridge.
  • the closure plug has a positioning tab (or guide projection 23) that may be configured to be visible to the user after passing through a corresponding opening in the cartridge.
  • This has the advantage of optical visual inspection as to whether the sealing plug and / or the positioning tab is inserted neatly.
  • the torsion element of the sealing plug can, as shown in FIG. 7, have a radial S-shape in order to secure a corresponding rotational path even with small sealing plug diameters.
  • the sealing plug shown in Figures 7 and 8 is in one piece, which offers the advantage of simpler manufacture of the sealing plug compared to known multi-part closures.
  • FIGS. 9 to 11 a dispensing piston with a closure is shown, which can be used in a cartridge system according to the invention for dispensing the components from the containers.
  • the piston is in this case provided with a vent, which allows air to escape from the respective container when it is filled with the component and the delivery piston is used. Since some substances tend to react with the remaining after filling the cartridge and the insertion of the piston in the cartridge residual air, it is anxious to let the residual air escape as completely as possible from the container. Any remaining in the container residual air between the piston and the substance located in the cartridge is also considered to be disadvantageous because the residual air forms a compressible pad that complicates the accuracy of the dosage when applying the substance from the cartridge.
  • a main body 101 which has a side wall provided with sealing means and an end wall in which a vent opening 102 is provided.
  • This vent opening 102 extends through the entire base body, so that an air exchange between the side of the end wall (located in the conveying direction) and the back of the piston 100 is possible.
  • a closure element 103 is rotatably mounted in the ventilation opening 102, wherein a ventilation channel can be opened or closed by a relative rotation of the closure element 103 in the ventilation opening 102. In other words, it is possible to establish or prevent the flow connection between the downstream side of the piston 100 and the rear side of the piston with a rotation of the closure element 103.
  • a circumferential projection 104 is formed on the inner surface of the vent opening 102, which engages in a corresponding groove 105 in the closure element 103 in order to lock them together.
  • Both the projection 104 and the groove 105 are each provided with openings that can be brought into coverage to release a vent channel, or can be brought out of coverage to close the vent channel.
  • the opening extends through the groove 105 perpendicular thereto, which may be formed slightly deeper than the opening, so that the projection 104 can securely close the openings.
  • FIG. 12 is a sectional view of a mixer and a cartridge of the system of the present invention, illustrating the case where a user attempts to place the mixer incorrectly (tilted) on the cartridge.
  • An important feature of the system according to the invention is the avoidance of unwanted carry-over of the catalyst component and base component and to the respective other paste component and could lead to their contamination. This could be due to accidental, unwanted insertion of the guide projection first in one, then in the other channel or by touching the inlet and outlet channels of the cartridge and mixer in unfavorable tilted placement in the wrong position, or analogous to the tilted replacement of a sealing plug.
  • the guide projection on the mixer (or on a closure plug) is designed so that it can not be inserted into the outlet channels.
  • the partition wall 31 is dimensioned so that it allows only small tilt angle between the outlet channels of the cartridge. If necessary, contours can be attached to the outlet channels of the cartridge, which further limit the play for the inserted partition wall 31 with regard to unfavorable tilt angles.
  • a closure plug may have an additional sleeve-shaped collar (at the point where the thread is located at the mixer) and thus also avoids unfavorable tilt angles.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Package Specialized In Special Use (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Abstract

L'invention concerne un système composé de plusieurs types différents de cartouches (1a, 1b ; 21a, 21b) et de plusieurs types différents de mélangeurs (11a, 11b, 11c; 20a, 20b) pouvant être reliés à celles-ci. Les cartouches sont des cartouches doubles présentant deux contenants (2, 3) reliés l'un à l'autre. Une ouverture ou une tubulure de sortie (5, 6) est associée à chaque contenant. Les mélangeurs présentent chacun deux ouvertures ou tubulures d'entrée (24, 25) pouvant être accouplées aux ouvertures ou tubulures de sortie (5, 6). La taille des ouvertures ou tubulures d'entrée et la taille des ouvertures ou tubulures de sortie est identique pour chaque type de mélangeur et chaque type de cartouche. Pour qu'un type de mélangeur puisse être associé à un type de cartouche, les mélangeurs présentent des parties saillantes de guidage (13a, 13b, 13c ; 23) et les cartouches présentent des ouvertures (10a, 10b ; 22) correspondantes.
EP12744010.5A 2011-08-24 2012-08-10 Système composé de cartouches et de mélangeurs Active EP2747898B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12744010.5A EP2747898B1 (fr) 2011-08-24 2012-08-10 Système composé de cartouches et de mélangeurs

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE102011111046 2011-08-24
PCT/EP2011/068784 WO2012055926A1 (fr) 2010-10-26 2011-10-26 Cartouche double, mélangeur destiné à celle-ci et combinaison cartouche double et mélangeur
DE102012106094 2012-07-06
PCT/EP2012/065688 WO2013026716A1 (fr) 2011-08-24 2012-08-10 Système composé de cartouches et de mélangeurs
EP12744010.5A EP2747898B1 (fr) 2011-08-24 2012-08-10 Système composé de cartouches et de mélangeurs

Publications (2)

Publication Number Publication Date
EP2747898A1 true EP2747898A1 (fr) 2014-07-02
EP2747898B1 EP2747898B1 (fr) 2020-10-07

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EP12744010.5A Active EP2747898B1 (fr) 2011-08-24 2012-08-10 Système composé de cartouches et de mélangeurs

Country Status (3)

Country Link
US (1) US9272252B2 (fr)
EP (1) EP2747898B1 (fr)
WO (1) WO2013026716A1 (fr)

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CN111050894A (zh) * 2017-07-28 2020-04-21 3Lmed股份有限公司 混合器

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EP2468416A1 (fr) * 2010-12-24 2012-06-27 Sika Technology AG Dispositif d'application pour matières à plusieurs composants, ensemble de cartouche et unité d'emballage
CA165957S (en) * 2014-09-23 2017-05-03 Sika Tech Ag Adapter for an applicator for multi-components substances
US9572555B1 (en) * 2015-09-24 2017-02-21 Ethicon, Inc. Spray or drip tips having multiple outlet channels
USD792177S1 (en) * 2016-02-25 2017-07-18 Phillip Phung-I Ho Head for a dual-cartridge dispenser
US10471462B2 (en) * 2017-03-13 2019-11-12 Abacocay, Llc Device for applying spackling paste or caulking materials and methods of using the same
DE102017112440A1 (de) * 2017-06-06 2018-12-06 Shin-Etsu Silicones Europe B.V. Gebinde und Dosiervorrichtung für viskose Materialien
DE102017117199A1 (de) 2017-07-28 2019-01-31 3lmed GmbH Mischer mit Kompensationskanal und/oder Staukammer
DE102017117557A1 (de) 2017-08-02 2019-02-07 3lmed GmbH Applikationssystem
USD896970S1 (en) * 2018-01-31 2020-09-22 Kettenbach Gmbh & Co. Kg Medical cartridge
EP3797076A1 (fr) * 2018-05-22 2021-03-31 Nordson Corporation Ensemble capuchon et cartouche
USD1012227S1 (en) * 2021-07-22 2024-01-23 Medmix Switzerland Ag Cartridge
EP4252896A1 (fr) * 2022-04-01 2023-10-04 medmix Switzerland AG Mélangeur de mélange et de distribution d'au moins deux composants

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EP0294672B1 (fr) * 1987-06-10 1992-08-12 Wilhelm A. Keller Cartouche double pour mélange à deux composants
DE59208365D1 (de) * 1992-11-30 1997-05-22 Wilhelm A Keller Kartusche mit mindestens einem Vorratszylinder und mit Mischer
US5413253A (en) * 1993-12-06 1995-05-09 Coltene/Whaledent, Inc. Static mixer
US5918772A (en) * 1995-03-13 1999-07-06 Wilhelm A. Keller Bayonet fastening device for the attachment of an accessory to a multiple component cartridge or dispensing device
DE10233051A1 (de) 2002-07-19 2004-02-05 Coltène/Whaledent GmbH + Co. KG Abgabesystem für fluide Substanzen
ES2337833T3 (es) 2005-10-07 2010-04-29 Sulzer Mixpac Ag Mezcladora dinamica.
DE202006004738U1 (de) 2006-03-24 2006-06-01 Euro-Lock-Vertriebs-Gmbh Vorrichtung für das Mischen zweier Fluide
AU2008229561B2 (en) 2007-03-19 2013-05-16 Sulzer Mixpac Ag Dispensing assembly having removably attachable accessories
EP2190563B1 (fr) 2007-09-10 2011-09-28 Sulzer Mixpac AG Mélangeur dynamique
CA2686581C (fr) * 2009-02-11 2017-06-27 Sulzer Mixpac Ag Piece intermediaire pour raccorder un contenant de stockage a un melangeur statique
US9010578B2 (en) * 2009-10-06 2015-04-21 Medix Systems AG Discharge arrangement having a connecting device between a multi-component cartridge and an accessory part

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Publication number Priority date Publication date Assignee Title
CN111050894A (zh) * 2017-07-28 2020-04-21 3Lmed股份有限公司 混合器

Also Published As

Publication number Publication date
WO2013026716A1 (fr) 2013-02-28
US20140197204A1 (en) 2014-07-17
EP2747898B1 (fr) 2020-10-07
US9272252B2 (en) 2016-03-01

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