WO2020224897A1 - Cartouche comprenant un élément de tête - Google Patents

Cartouche comprenant un élément de tête Download PDF

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Publication number
WO2020224897A1
WO2020224897A1 PCT/EP2020/059775 EP2020059775W WO2020224897A1 WO 2020224897 A1 WO2020224897 A1 WO 2020224897A1 EP 2020059775 W EP2020059775 W EP 2020059775W WO 2020224897 A1 WO2020224897 A1 WO 2020224897A1
Authority
WO
WIPO (PCT)
Prior art keywords
cartridge
head piece
opening
end wall
receptacle
Prior art date
Application number
PCT/EP2020/059775
Other languages
German (de)
English (en)
Inventor
Frank Ritter
Johannes V. STAUFFENBERG
Original Assignee
Ritter Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ritter Gmbh filed Critical Ritter Gmbh
Publication of WO2020224897A1 publication Critical patent/WO2020224897A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/0005—Containers or packages provided with a piston or with a movable bottom or partition having approximately the same section as the container

Definitions

  • the application relates to a cartridge for receiving materials, comprising a receiving container with a jacket wall, an end wall, and an opening formed in the end wall which is closed by a closure element.
  • Containers e.g. Cartridges are usually made of plastic or aluminum.
  • a piston is inserted into the cartridge. By advancing the piston, the material is discharged through an opening in the cartridge facing away from the piston.
  • the cartridge has a receptacle for the filling compound and an outlet area.
  • the outlet area can have a nozzle or a thread for connecting a standard nozzle or a cover.
  • Opening may include loosening a tamper-evident band and possibly, if the filling material has to be packaged in a diffusion-tight manner, removing a seal that closes the outlet opening.
  • the cartridge must be opened by cutting open a nozzle or part of the outlet area of the cartridge prior to use. It often happens that filling material accidentally escapes from the receptacle and the environment is already contaminated before use. In addition, there is a risk of injury to the user if it is cut open.
  • the object of the invention is to provide a cartridge which can be conveniently opened and handled.
  • a cartridge according to the invention for receiving materials comprises a receiving container with a jacket wall, an end wall, and an opening formed in the end wall which is closed by a closure element.
  • the cartridge comprises a head piece, the cartridge having fastening means for fastening the head piece as required in the region of the opening on the end wall of the receiving container, and the cartridge having opening means for opening the seal as required.
  • the seal e.g. an aluminum seal can only be arranged in the area of the opening in order to close the opening.
  • the seal can act as a diffusion-tight barrier layer which extends, for example, over the entire end wall of the receptacle and possibly at least partially along the outer surface. It also closes the cartridge opening.
  • the entire receptacle can be sealed, for example, by gluing the cartridge walls with an aluminum-coated label and / or by applying and / or fastening, e.g. Heat sealing, ultrasonic welding, gluing, etc., a diffusion-tight coating, a diffusion-tight layer structure or a diffusion-tight layer as a barrier can be accomplished.
  • the cartridge according to the invention is thus at least in two parts.
  • the head piece and receptacle can be separate. This enables compact and space-saving storage.
  • the parts can also be delivered pre-assembled.
  • the cartridge is opened in a simple manner by actuating the opening means provided on the cartridge or on the head piece. Uncontrolled leakage of filler compound and associated contamination of the environment can be prevented, since the head piece seals in the area around the outlet opening of the receiving space.
  • the fastening means can be spatially separated therefrom.
  • a connection can be arranged on an extension of the jacket wall of the cartridge, that is to say away from the outlet opening.
  • the functions of fastening, sealing and opening can be spatially and / or functionally separated.
  • fastening means are provided which can fasten the head piece to the cartridge body in two positions and / or states.
  • the seal In the first state the seal remains closed, in the second state it is opened, for example pierced, cut through or torn. Since the opening means are not exposed to the outside in the assembled state of the head piece, there is no risk of injury to the user when opening the seal.
  • the opening means can be operated manually or with a tool, e.g. an application gun, possibly also by machine. It is actuated by a rotational and / or translational movement of the head piece relative to the receiving container.
  • a tool e.g. an application gun
  • the outlet area can have a nozzle or a thread for connecting a standard nozzle or a cover.
  • the fasteners which can only be loosened by applying a minimal force, a minimal torque or by removing / loosening a special securing device, are used for securing (e.g. transport protection, child safety, etc.) and prevent uncontrolled opening of the seal. With the help of a tool, correspondingly high forces can be exerted.
  • the receptacle preferably has a receptacle for arranging the head piece in the receptacle.
  • the jacket wall can protrude beyond the front wall and thus delimit the receptacle for the head piece.
  • the fastening means can comprise at least one latching connection and / or a screw connection and / or a bayonet lock.
  • the function of the fastening means and the means of sealing between the head piece and the receptacle can be spatially coincident or separate, e.g. a fuse / attachment / transport protection and seal on the outside, or a fuse on the outside and a seal on the inside in the area of the outlet opening. It would also be conceivable to achieve fastening / securing by means of several fastening elements, e.g. by locking the head piece outside and / or inside on the extension of the jacket wall of the receiving body.
  • the opening means have at least one blade and / or a cutting edge and / or a (sharp) edge for penetrating through the seal.
  • the blade and / or cutting edge and / or (sharp) edge can be designed circumferentially and face the seal when the head piece is mounted on the end wall.
  • the blade and / or cutting edge and / or (sharp) edge can be designed to be subdivided and face the seal when the head piece is mounted on the end wall.
  • opening means in the form of a split / beveled tear ring for the seal e.g. aluminum plate
  • the seal e.g. aluminum plate
  • the blade and / or cutting edge and / or (sharp) edge can have a bevel in relation to the seal when the head piece is mounted on the end wall.
  • the slope is defined by the angle between the plane of the seal and the slope of the cutting edge.
  • the fastening means and / or the opening means can preferably be actuated by rotating the head piece relative to the receptacle and / or by pressing the head piece against the end wall.
  • the fastening means and / or the opening means can preferably be actuated by pressing a central part of the head piece against the end wall.
  • the head piece can have at least one elastic element or spring element which is arranged between the fastening means and the opening means. This means that the fastening and opening functions are decoupled from one another.
  • the opening means is pre-tensioned in the first state (seal closed).
  • the spring element In the second state (seal opened) the spring element is relaxed.
  • the spring element does not necessarily have to be elastic. It can also be compressed in the first state and expand during the transition to the second state, thereby deforming more or less plastically. Compression and elongation can also be interchanged with regard to the states. In this sense, the term “spring element” should generally be understood as an element that can lengthen and shorten.
  • the fastening means and / or the opening means can be designed such that they can be actuated against a resistance with the application of a minimal force or a minimal torque. This prevents unintentional release or opening.
  • the cartridge can preferably have a piston which can be moved through the opening along the jacket wall in order to dispense the filling compound.
  • the receiving container can have a diffusion-tight layer and / or a diffusion-tight coating and / or a diffusion-tight layer structure. The same applies to the piston.
  • the layer etc. can be arranged inside and / or outside on the container or on the piston.
  • Figure 1 is a sectional view of a first embodiment of a receptacle of a cartridge according to the invention
  • FIG. 2 shows a sectional view of the end wall area of a receiving container in a first variant
  • FIG. 3 shows a sectional view of the end wall area of a receiving container in a second variant
  • FIG. 4 shows a sectional view of a first embodiment of a head piece
  • FIG. 5 shows a sectional view of a second embodiment of a head piece
  • FIG. 6 shows a sectional view of a third embodiment of a head piece
  • FIG. 7 shows a sectional view of the end wall area of a receiving container
  • FIG. 8 shows a sectional view of the end wall area of the receiving container with
  • FIG. 9 shows a sectional view of the front wall area of a further receiving container with a head piece in a first state
  • FIG. 10 shows a sectional view of the front wall area of a receptacle with a further head piece in a second state
  • Figure 11 shows a sectional view of the end wall area of a further embodiment of a receptacle with head piece in a first state
  • FIG. 12 shows a sectional view of the end wall area of a further embodiment of a receiving container with a further head piece in a second state
  • FIG. 13 shows a perspective view of a further embodiment of a receiving container with a bayonet connection
  • FIG. 14 shows a side or sectional view of a head piece connected by means of the bayonet catch from FIG. 13;
  • FIG. 15 shows a sectional view of a cartridge according to the invention as well as detailed views of the front wall area of a further embodiment of a receptacle with a head piece in a first state;
  • FIG. 16 shows a sectional view and detailed views of the end wall area of the embodiment of a receptacle with head piece from FIG. 13 in a second state;
  • FIG. 17 shows a sectional view of the end wall region of a further embodiment of a receptacle with a head piece in a dispensing gun in a first state
  • FIG. 18 shows a sectional view of the embodiment according to FIG. 15 in a second state
  • FIG. 19 shows a sectional view of the end wall area of a further embodiment of a receiving container with a head piece in a first state
  • FIG. 20 shows a sectional view of the embodiment according to FIG. 17 in a second state
  • FIG. 21 side view and sectional view of a further embodiment of a
  • FIG. 22 side view and sectional view of a further embodiment of a
  • FIG. 23 shows a sectional view of the end wall area of a further embodiment of a receiving container with a head piece in a first state
  • FIG. 24 shows a sectional view of the embodiment according to FIG. 23 in a second state
  • FIG. 25 shows a perspective view of a further embodiment of a head piece
  • FIG. 26 shows a sectional view of a further embodiment of a receptacle with a head piece
  • FIG. 27 shows a perspective view of the upper area of the receiving container from FIG.
  • FIG. 1 shows a first embodiment of a receptacle 2 of a cartridge according to the invention with a piston 3 inserted on the rear.
  • the receiving container 2 has a jacket wall 20 and an end wall 21.
  • the jacket wall 20 has an edge 200 protruding beyond the end wall 21. This is usually designed in a ring-shaped manner.
  • a discharge opening 210 is formed in the end wall 21.
  • the opening opposite the end wall 21 is closed by the piston 3.
  • the piston 3 In order to dispense the filling compound, the piston 3 is moved in the direction of the dispensing opening 210. This can be done manually. As a rule, the cartridge is inserted into an application gun and emptied via this.
  • FIG. 2 shows a first variant of the area of the end wall 21 of the receiving container 2 in detail. From the figure 2 it can be seen that the opening 210 by a seal 4, z. B. an aluminum foil or a (in particular diffusion-tight) layer structure which is attached to the outside of the end wall 21 (e.g. heat-sealed, glued, etc.) is closed in this state.
  • a seal 4 z. B. an aluminum foil or a (in particular diffusion-tight) layer structure which is attached to the outside of the end wall 21 (e.g. heat-sealed, glued, etc.) is closed in this state.
  • FIG. 3 shows a second variant of the area of the end wall 21 of the receiving container
  • Aluminum layer which is attached to the inside of the end wall 21 (e.g. heat-sealed, glued, etc.) is closed in this state.
  • the end wall 21 e.g. heat-sealed, glued, etc.
  • Jacket wall 20 has an externally applied (e.g., stuck on as a label) diffusion-proof
  • Layer 40 e.g. an aluminum foil, or a diffusion-tight layer structure (e.g. a
  • the end seal 4 extends over the entire inside of the end wall 21 and a Piece along the inside of the shell wall 20. In this way, a longer diffusion path is realized between the diffusion-tight layers 4 and 40 within the shell wall 20 and thus better insulation against the penetration of gases that impair the filling compound, such as water vapor, oxygen, etc., achieved.
  • An inwardly projecting bead 201 is formed on the inside of the edge 200, the function of which is described below.
  • FIGS. 4 to 6 variants of a further component of the cartridge according to the invention, namely variants of head pieces 50, 51 and 52, are shown.
  • the first variant of a head piece 50 according to FIG. 4 is designed with an integrated nozzle 503.
  • the head piece 50 has a trough-like base body 500 (in the sectional view) with an outwardly protruding edge 501.
  • a latching projection 502 is formed on the outside of the side wall of the base body 500, which extends outward from the side wall of the base body 500 and is designed for mutual locking with a bead 201 of the receptacle 2 (cf. FIGS. 2 and 3).
  • the head piece 50 has a nozzle 503, the inner channel 5030 of which is designed for the filling compound to pass through the opened discharge opening 210.
  • an opening means is provided which is suitable for tearing the seal 4 in the region of the discharge opening 210, cutting through it or penetrating it in some other way.
  • this is a circumferential sharp edge 504 or blade.
  • the head piece 51 of FIG. 5 is designed with an external thread for attaching a screw cap or a standard nozzle (not shown). It has a trough-like base body 510 (in the sectional view) with an outwardly protruding edge 511. On the outside of the side wall of the base body 510, a latching projection 512 is formed, which extends outward from the side wall of the base body 500 and is designed for mutual locking with a bead 201 of the receiving container 2.
  • the head piece 51 has a hollow cylindrical connecting piece 513 which is designed with an external thread for connecting a screw cap or for screwing on a standard nozzle.
  • the connecting piece 513 has an inner channel 5130 for the filling compound to pass through the open discharge opening 210.
  • an opening means is provided which is suitable for opening the seal 4 in the area of To tear discharge opening 210, to cut through or to penetrate in any other way.
  • this is a circumferential sharp edge 514 or blade.
  • the head piece 52 of FIG. 6 is designed with a connecting piece with an external bead for attaching a screw cap or a standard nozzle (not shown). It has a trough-like base body 520 (in the sectional view) with an outwardly protruding edge 521. A latching projection 522 is formed on the outside, which extends outward from the side wall of the base body 520 and is designed to latch with a bead 201 of the receptacle 2.
  • the head piece 52 has a hollow cylindrical connector 523, the inner channel 5230 of which is designed for the filling compound to pass through the opened discharge opening 210.
  • the connecting piece 523 has a bead which is suitable for locking a standard nozzle and / or a suitable closure.
  • the bead 523 can also be provided for attaching a component by means of a bayonet lock or by means of a snap connection.
  • an opening means is provided which is suitable for tearing the seal 4 in the region of the discharge opening 210, cutting through it or penetrating it in some other way. In the case of the exemplary embodiment from FIG. 4, this is a circumferential sharp edge 524 or blade.
  • the head pieces 50, 51, 52 are provided and designed for use in the receiving space 22 (cf. FIGS. 2 and 3) formed by the edge 200 and the end wall 21 of a receiving container 2 of a cartridge.
  • the use of a head piece 51 shown as an example is shown using the example of FIGS.
  • the cartridge 1 comprises the receptacle 2 and the head piece 51.
  • the delivery state of a filled receptacle 2 can be without head piece 51 and thus save space.
  • the head piece 51 can be supplied separately. It can be inserted and fastened in the receiving space 22 before use.
  • the head piece 51 can, however, also be preassembled on the receptacle 2. Both options are shown in FIG.
  • the outer bead 512 is located above the upper edge of the rim 200. As a result, the head piece 51 can only be pressed completely into the receiving space 22 with the application of a minimal force. In this way, a safeguard against unintentional opening of the seal 4 is formed.
  • the cartridge 1 is shown in the state of use.
  • the head piece 51 was pressed up to the stop of the edge 511 of the head piece 51 on the upper edge of the edge 200 of the receiving container 2 or until the base body 510 of the head piece 51 was placed in the receiving space 22.
  • the opening means 514 have broken through the seal 4 and opened the receptacle 2.
  • the outer bead 512 is now located below the inner bead 201 of the receiving container 2, so that the head piece 51 is secured against being removed from the receiving container 2, for example by means of a latching connection.
  • FIGS. 9 and 10 show the two states corresponding to FIGS. 7 and 8, but with the second variant of a sealed receptacle 2 in which the seal 4 is attached to the inside of the end wall 21.
  • two different head piece variants 50 and 51 are shown.
  • FIGS. 11 and 12 show further options for connecting a head piece 5 to the receiving container 2, namely a screw connection 202 or a bayonet lock 203.
  • Figure 13 shows a head piece 55 with a connection portion 550 for connection to the cartridge (see Figure 14) and a bayonet connection portion 551, e.g. for connecting a housing or a nozzle 7.
  • the connecting section 550 can be designed in such a way that a connection to the cartridge 2 is possible, for example in a manner as described above.
  • the head piece 55 is thus designed as a type of adapter.
  • the adapter is equipped with the means for opening the cartridge chamber. Opening can take place before or after the nozzle is connected to the adapter, e.g. when connecting (e.g. via a screw cap) the adapter or the combination adapter / nozzle to the receptacle.
  • FIGS. 15 and 16 show a further embodiment of the cartridge 1 according to the invention with a head piece 54 attached to the receptacle 2, with the cartridge 1 still unopened in FIG. 13 while it is shown in the open state in FIG.
  • the head piece 54 shown is shown by way of example as a connector 543 with an external thread, but can also be characterized by a different structure.
  • the special feature of this embodiment is that the head piece 54 is fixed or secured on the edge 200 in both states shown. In the case of FIG. 13 it acts it is a latching connection 545, 201.
  • the bottom of the trough-like base body 540 is at a distance from the end wall 21.
  • a web 546 serves as a spacer.
  • the bottom of the base body 540 has an elastic region or a spring element 547. If the middle area 543 of the head piece 54 is pressed down (see FIG. 14) so that the edge 544 pierces or cuts through the seal 4, the spring element 547 is stretched or relaxed. In this way, the edge 200 is secured in both states, while the seal 4 is opened and the seal against the escape of filling compound from the system 1 is carried out in the middle area of the end wall 21 or in the area around the outlet opening 210.
  • FIGS. 17 and 18 also show an embodiment with a spring in an unopened state of the cartridge (FIG. 17) or an open state (FIG. 18).
  • the cartridge 1 is shown inserted in a dispensing gun 6. From the view from above it becomes clear that the bottom of the (trough-like in section) base body 500 and the spring elements 507 integrated therein can be designed in the form of tabs, in this case four (4) tabs.
  • the cutting edge 504 of the head piece 50 rests on the seal 4.
  • the spring 507 is preloaded.
  • the pistol 6 is then actuated in order to push the system of piston 3, receptacle 2 and head piece 50 forward until, due to a force exerted on the head piece 50 by the front of the pistol 6, the central area 503 of the head piece 50 is in the direction of the end wall 21 is pressed, the cutting edge 504 penetrates the seal and thus opens the cartridge.
  • the spring 507 is elongated and relaxed (see FIG. 16).
  • the piston 3 is then driven forward in order to apply the filling material via the application opening 210 and the nozzle 503.
  • the receptacle 2 is thus automatically opened. Advantages are the ease of use, avoidance of soiling and avoidance of the risk of injury compared to manual opening or cutting of the cartridge before use.
  • FIGS. 19 and 20 show a further embodiment of the invention with the head piece 50 attached to the receptacle 2, the cartridge 1 still being unopened in FIG. 17 while it is shown in the open state in FIG.
  • the head piece 50 has a nose or an outer bead 502.
  • the inside of the edge 200 of the receptacle 2 has three noses or inner beads 2010, 2011, 2012 that are arranged one below the other.
  • the outer bead 502 of the head piece 50 is latched between the upper beads 2010 and 2011 of the receptacle 2. In this way, the head piece 50 is secured both against being removed from the receptacle 2 and against inadvertent pressing down of the head piece 50 and the associated opening of the seal 4.
  • FIG. 19 and 20 show a further embodiment of the invention with the head piece 50 attached to the receptacle 2, the cartridge 1 still being unopened in FIG. 17 while it is shown in the open state in FIG.
  • the head piece 50 has a nose or an outer bead 502.
  • the head piece 50 was pressed down with a force exceeding a minimal force and the seal 4 was opened. In this state, the outer bead 502 of the head piece 50 is locked in place below the lowermost bead 2012. The head piece 5 is secured against being removed from the receiving container 2.
  • FIGS. 21 and 22 show embodiments of head pieces 5 with different opening means 504.
  • the opening means 504 have one or more cutting edges with an inclined bevel (cf. sectional view of the figure on the right). From the side view (figure on the left) it becomes clear that the opening means 504 have a lateral opening 5040 through which the filling compound can flow from the receiving container into the nozzle 503.
  • FIG. 5 Another embodiment is shown in FIG. In the side view (figure on the left) of the head piece 5 and in the sectional view (figure on the right), it can be seen that the opening means 504 also have a lateral inlet 5040 for the filling compound to pass into the nozzle 503.
  • FIGS. 23 and 24 A further embodiment of a cartridge 1 is shown in FIGS. 23 and 24. This differs from the previous embodiments in that the attachment of the head piece 5 to the receptacle 2 is not accomplished within the edge 200, but by engaging at least one inwardly directed latching lug 502 from the outside into a corresponding groove 201 of the edge 200.
  • FIG. 25 shows an embodiment of the opening means with (in this case three) divided, beveled cutting edges 504.
  • FIG. 26 a receptacle 2 with a head piece 50 is shown.
  • the head piece 50 is connected to the container via a latching connection 502, 2010, 2011.
  • the latching projection 502 of the head piece 50 engages in a matching groove which is formed between the inwardly protruding bulges 2010, 2011 of the edge 200 of the container 2.
  • the catch 201 of the container 2 is divided, as is clear from FIG. That is to say, several latching elements 201a, 201b are provided around the circumference, of which here two elements 201a, 201b are designated by way of example.
  • the latching connection can also be established and released by turning the inserted head piece 50, approximately by 90 °.

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

Abstract

Cartouche (1) présentant un récipient de réception (2) et un élément de tête (51), qui peut être disposé dans une réception (22) du récipient de réception (2) et fixé au moyen d'une saillie d'encliquetage (512). L'élément de tête (51) présente en outre un moyen d'ouverture, p. ex. un bord coupant (514), pour rompre un scellage (4) dans la zone d'une ouverture (210) dans une paroi frontale (21) du récipient de réception (2).
PCT/EP2020/059775 2019-05-06 2020-04-06 Cartouche comprenant un élément de tête WO2020224897A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019111619.8A DE102019111619A1 (de) 2019-05-06 2019-05-06 Kartusche mit Kopfstück
DEDE102019111619.8 2019-05-06

Publications (1)

Publication Number Publication Date
WO2020224897A1 true WO2020224897A1 (fr) 2020-11-12

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Application Number Title Priority Date Filing Date
PCT/EP2020/059775 WO2020224897A1 (fr) 2019-05-06 2020-04-06 Cartouche comprenant un élément de tête

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WO (1) WO2020224897A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4108598A3 (fr) * 2021-06-25 2023-03-01 Saier Verpackungstechnik GmbH & Co. KG Cartouche dotée d'une pièce tête conçue sous la forme de feuille et manchon de support
WO2024115518A1 (fr) * 2022-12-01 2024-06-06 Ritter Gmbh Cartouche et piston, et système constitué d'une cartouche et d'un piston ayant une fonction barrière

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5137184A (en) * 1990-08-17 1992-08-11 Tremco Incorporated Caulking gun and cartridge
US5297697A (en) * 1993-07-23 1994-03-29 Sonoco Products Company Caulk cartridge with valve control
EP0810161A1 (fr) * 1996-05-27 1997-12-03 Keiichi Nakata Dispositif d'ouverture d'un récipient pour matériau d'étanchéité, récipient pour matériau d'étanchéité et procédé pour ouvrir le récipient
WO2010091527A1 (fr) * 2009-02-13 2010-08-19 Medmix Systems Ag Dispositif d'extraction avec tube

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5137184A (en) * 1990-08-17 1992-08-11 Tremco Incorporated Caulking gun and cartridge
US5297697A (en) * 1993-07-23 1994-03-29 Sonoco Products Company Caulk cartridge with valve control
EP0810161A1 (fr) * 1996-05-27 1997-12-03 Keiichi Nakata Dispositif d'ouverture d'un récipient pour matériau d'étanchéité, récipient pour matériau d'étanchéité et procédé pour ouvrir le récipient
WO2010091527A1 (fr) * 2009-02-13 2010-08-19 Medmix Systems Ag Dispositif d'extraction avec tube

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4108598A3 (fr) * 2021-06-25 2023-03-01 Saier Verpackungstechnik GmbH & Co. KG Cartouche dotée d'une pièce tête conçue sous la forme de feuille et manchon de support
WO2024115518A1 (fr) * 2022-12-01 2024-06-06 Ritter Gmbh Cartouche et piston, et système constitué d'une cartouche et d'un piston ayant une fonction barrière

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