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EP3984912B1 - Dispositif d'application et procédé de fabrication d'un dispositif d'application - Google Patents

Dispositif d'application et procédé de fabrication d'un dispositif d'application Download PDF

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Publication number
EP3984912B1
EP3984912B1 EP20201502.0A EP20201502A EP3984912B1 EP 3984912 B1 EP3984912 B1 EP 3984912B1 EP 20201502 A EP20201502 A EP 20201502A EP 3984912 B1 EP3984912 B1 EP 3984912B1
Authority
EP
European Patent Office
Prior art keywords
inner container
outer casing
applicator
application device
outer shell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP20201502.0A
Other languages
German (de)
English (en)
Other versions
EP3984912A1 (fr
Inventor
Karsten Wolf
Peter Rushe
Kai Ruthe-Steinsiek
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.)
Henkel AG and Co KGaA
Original Assignee
Henkel AG and Co KGaA
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 to EP20201502.0A priority Critical patent/EP3984912B1/fr
Application filed by Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Priority to PL20201502.0T priority patent/PL3984912T3/pl
Priority to ES20201502T priority patent/ES2960992T3/es
Priority to CN202180079644.2A priority patent/CN116568612A/zh
Priority to AU2021359671A priority patent/AU2021359671A1/en
Priority to MX2023004222A priority patent/MX2023004222A/es
Priority to JP2023522413A priority patent/JP2023546056A/ja
Priority to PCT/EP2021/076935 priority patent/WO2022078768A1/fr
Priority to CA3198651A priority patent/CA3198651A1/fr
Publication of EP3984912A1 publication Critical patent/EP3984912A1/fr
Priority to US18/297,170 priority patent/US12138652B2/en
Application granted granted Critical
Publication of EP3984912B1 publication Critical patent/EP3984912B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00503—Details of the outlet element
    • B05C17/00516—Shape or geometry of the outlet orifice or the outlet element
    • 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
    • B05C17/00576—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 characterised by the construction of a piston as pressure exerting means, or of the co-operating container
    • B05C17/00579—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 characterised by the construction of a piston as pressure exerting means, or of the co-operating container comprising means for allowing entrapped air to escape to the atmosphere
    • 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
    • B05C17/00583—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 the container for the material to be dispensed being deformable
    • 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
    • B65D83/771—Containers or packages with special means for dispensing contents for dispensing fluent contents by means of a flexible bag or a deformable membrane or diaphragm
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/04—Deformable containers producing the flow, e.g. squeeze bottles
    • B05B11/047—Deformable containers producing the flow, e.g. squeeze bottles characterised by the outlet or venting means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/04—Deformable containers producing the flow, e.g. squeeze bottles
    • B05B11/048—Deformable containers producing the flow, e.g. squeeze bottles characterised by the container, e.g. this latter being surrounded by an enclosure, or the means for deforming it
    • 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
    • B05C17/00573—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 the reservoir or container being pneumatically or hydraulically pressurized
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F21/00—Implements for finishing work on buildings
    • E04F21/165—Implements for finishing work on buildings for finishing joints, e.g. implements for raking or filling joints, jointers

Definitions

  • the invention relates to an application device for applying a viscous material to a substrate.
  • the invention also relates to a method for producing such an application device.
  • Such application devices are known in the prior art as application tools and are used, for example, in industry, in trade or in the DIY sector.
  • sealing compounds can be dispensed with such application devices in order to close joints between components in the sanitary area.
  • adhesives or other viscous materials can also be applied using such application devices.
  • an application device which has a container for receiving a sealing compound and an applicator which can be placed on an opening of the container and latched to the container.
  • the applicator has a dispensing opening for dispensing the sealing compound from the container onto a substrate and is also designed in such a way that, immediately after dispensing, the sealing compound dispensed is smoothed and adjacent surface areas of the substrate are freed from excess sealing compound.
  • the applicator is used both for dosing and for shaping the sealant and for the subsequent cleaning of adjacent areas of the substrate.
  • the sealing compound is dispensed from the container of the application device by a user squeezing the container wall together.
  • a front and a rear actuating surface of the container are moved towards one another in such a way that the internal volume of the container is reduced, as a result of which the sealing compound is pressed into the applicator and dispensed through its dispensing opening.
  • the actuating surfaces can be designed to be flexible or have thin walls in certain areas, in order to enable and facilitate deformation of the container wall.
  • Such an application device has various disadvantages. Because many viscous materials exhibit thixotropic behavior, it is usually necessary to shake the applicator before use to improve the flow of the material and convey it to the dispensing orifice. Particularly in the case of applications on vertically aligned substrates, this process may need to be repeated several times during use in order to ensure the availability of the product at the dispensing opening. However, shaking introduces air into the material, which is disadvantageous for a uniform and bubble-free discharge of the material. As soon as the pressure on the container decreases and the container wall returns to its original shape as a result of the restoring forces, a certain amount of viscous material may build up due to the existing negative pressure Material drawn back into the application device.
  • air is primarily sucked into the container from the outside. This air escapes uncontrollably during subsequent dispensing operations and/or may become trapped in the dispensed material. Such air inclusions can impair the function of the applied material, for example a sealing function or an adhesive function, and the shelf life of the product is reduced due to the ingress of air into the container.
  • an application device which has a receptacle for a pasty mass, a cap with a pouring spout and a deformable cover surrounding the receptacle.
  • the cover has a fold in the manner of a bellows, which promotes squeezing the cover to discharge the pasty mass from the receptacle. This can result in improved emptying of residues, but the problem of air being drawn in and being trapped is also present here.
  • the invention proposes an application device for applying a viscous material to a substrate, comprising an inner container having a dispensing opening for receiving the viscous material, an outer shell surrounding the inner container with a substantially hollow-cylindrical neck area with an inner diameter D1 and one in the neck area formed opening and an applicator connected to the outer shell, wherein the viscous material can be conveyed by pressure on the outer shell from the inner container into the applicator and can be applied by this to a substrate.
  • the application device has a ventilation device, comprising an insert which is connected in an airtight manner to the inner container in the region of the dispensing opening and which is essentially in the form of a hollow cylinder is formed and has an outer diameter D2, wherein the outer diameter D2 of the insert is smaller than the inner diameter D1 of the neck area of the outer casing, and the insert has locking means on its outside, with the aid of which it is locked in the inserted position within the neck area of the outer casing, wherein in this inserted position, due to the different diameters D1 and D2, there is an annular gap between the insert and the neck area of the outer shell, through which air can flow from the outside into the space between the outer shell and the inner container and vice versa, and wherein the connection between the applicator and the outer shell is designed to be air-permeable and the applicator comprises a sealant through which when the applicator is in use, the interior volume of the inner container is sealed airtight and leak-proof relative to the space between the outer shell and the inner
  • the invention proposes integrating a ventilation device into the application device in such a way that when the outer shell is compressed, the air located between the outer shell and the inner container first escapes through the annular gap between the neck area of the outer shell and the insert of the inner container and through the non-airtight final connection area between the applicator and the outer shell, such as a threaded connection, to the outside. Pressure on the outer shell is transferred to the inner container, causing viscous material to be conveyed from the inner container into the applicator and dispensed therefrom onto a substrate.
  • the external appearance of the application device is consistently attractive to a user, since the outer shell always returns to its original shape, while the increasingly deformed inner container is not visible to the user.
  • the lack of air intake in the inner container also extends the durability of the viscous material.
  • the applicator acts as a dosing and shaping system and is connected to the outer shell.
  • the neck area of the outer shell can have an external thread and the applicator can have a corresponding internal thread.
  • the threaded connection can be designed as a right-hand thread, but in particular it can also be designed as a left-hand thread in order to counteract an accidental unscrewing of the applicator from the outer casing by a user.
  • the threaded connection is designed to be air-permeable, so that air can flow through the thread into the space between the inner container and the outer shell, and vice versa.
  • a sealant contained in the applicator seals the inner volume of the inner container against these air flows.
  • the application device according to the invention is equally suitable for the initial application of viscous material, for example sealing material, to a substrate as well as for the subsequent application of material to an already existing material layer that may need to be repaired.
  • the annular gap formed between the insert of the inner container and the neck area of the outer shell has a gap width of 0.4 to 1 mm.
  • This gap width results from half the difference between the inner diameter D1 of the neck area of the outer shell and the outer diameter D2 of the insert.
  • Such a gap width ensures that when the outer shell is compressed, air can quickly escape from the space between the outer shell and the inner container to the outside and that when the pressure on the outer shell decreases, air can flow back into this space from the outside just as quickly.
  • the air is drawn into the gap much faster than any slight withdrawal of the viscous material from the applicator dispensing opening, so that a pressure equilibrium is already restored before the viscous material possibly withdraws slightly from the applicator dispensing opening. In this way, air can be prevented from entering the inner container.
  • the outer shell can have a bottle-like shape.
  • the cross section of the outer shell can be essentially rectangular, such that a front and a rear actuating surface are formed, which are moved toward one another in order to transfer pressure to the inner container.
  • a variant embodiment of the invention provides that the outer shell has a lamellar fold, which makes it easier to compress the outer shell.
  • a folding of the lamellae in the manner of a bellows promotes a compression of the outer shell for the discharge of the viscous material from the inner container.
  • the folding of the lamellae is designed in such a way that the outer shell is compressed essentially in a direction perpendicular to a main direction of flow of the viscous material.
  • a main flow direction of the material is given by a direction from a rear end of the inner container towards the discharge opening arranged at an opposite end of the inner container.
  • the outer shell By folding areas of the outer shell in a direction parallel to this main flow direction, the outer shell can be easily compressed in a direction perpendicular to the main flow direction.
  • one-handed operation of the application device according to the invention is possible in that a user holds the outer shell between the thumb and at least one other finger of the same hand and by moving the thumb and the at least one other finger towards each other the outer shell, favored by the lamella fold, without great effort effort compresses.
  • the pressure exerted on the outer shell is transferred to the inner container and the viscous material is conveyed into the applicator and dispensed therefrom onto a substrate.
  • the good compressibility of the outer shell promotes good residual emptying.
  • the number of folds or lamellae can vary in principle, with a larger number of lamellae making it easier to compress the outer shell, but at the same time being associated with reduced strength and stability of the outer shell.
  • a compromise has to be found between good compressibility on the one hand and sufficient stability of the outer shell on the other.
  • such a compromise is given with a number of 3 to 7 slats.
  • the opening angle between two adjacent slats can be about 30°-55°.
  • the inner container is designed as a film bag.
  • a film bag is generally highly flexible and therefore easily deformable, so that the pressure exerted via the outer shell can be transferred easily and efficiently to the film bag and the viscous material stored therein.
  • the inner container can be formed from an aluminum-based foil.
  • the foil material can be a laminate which comprises at least one aluminum layer.
  • Such materials also have sufficient stability and strength, so that even when forces are applied, such as when the application device falls from a certain height to the ground, the foil bag tears open and the viscous material unintentionally escapes into the space between Inner container and outer shell inside can be prevented. This is all the more important as a user would not immediately notice a leak in the film bag due to the outer shell surrounding the film bag.
  • an aluminum laminate has the advantage of a extensive impermeability to moisture. In this way, water can be prevented from diffusing out of the viscous material through the bag wall and the viscous material already hardening in the application device. This means that the product has a significantly improved shelf life.
  • An exemplary laminate is constructed as a four-layer composite from a PET layer, an aluminum layer, an OPA layer and a PE layer.
  • a variant of the invention provides that the inner container is connected to the insert by welding, the welded connection being pressure-tight to at least 1.5 bar.
  • the connection between the insert and the inner container is designed in such a way that it withstands the effects of force, such as those that occur if the application device falls from a certain height onto the floor, and thus prevents the insert from detaching from the inner container and the viscous material escaping into the Space between the inner container and outer shell can be prevented inside.
  • the insert itself can be made of a thermoplastic material, for example in an injection molding process.
  • the applicator comprises a main body and means for smoothing out the viscous material that is applied and/or means for cleaning adjoining substrate areas.
  • a delta-shaped wing can be formed onto the main body of the applicator, the outer edges of which are used to smooth the material that is applied and to clean the adjoining substrate area.
  • the applicator can also comprise a substantially rectangular wing which has at least one smoothing or cleaning edge. Provision can be made for the applicator to have at least two materials of different rigidity, with the main body being made of a more rigid material than the smoothing means and/or the cleaning means.
  • the outer edges of the wing used for smoothing and/or cleaning can be made of a pliable material, while the main body of the applicator is made of a rigid material, for example a thermoplastic elastomer.
  • the viscous material can be dispensed and shaped in one operation by pressing on the outer shell and simultaneously pulling the application device over the substrate, and excess material can be pulled off the substrate and collected.
  • the inner container In order to insert the inner container into the outer shell, it is necessary to fold the inner container. By filling the inner container with the viscous material, the inner container is finally unfolded again within the outer shell.
  • Essential for the method according to the invention is the U-shaped fold of the inner container, for example a film bag, in which a right flank of the inner container and a left flank of the inner container are placed directly one on top of the other. This distinguishes the U-shaped fold from a so-called Z-shaped fold, in which one lateral flank of the inner container is folded forwards, while the other lateral flank is folded backwards.
  • a U-shaped fold has the advantage of a significantly improved and more reliable unfolding of the inner container when it is filled with the viscous material and thus enables the inner container to be filled more evenly and more completely.
  • the outer shell of the application device can be manufactured from a thermoplastic elastomer in an injection blow molding process.
  • a combined injection blow molding process is particularly suitable for forming an outer shell with a lamellar fold.
  • figure 1 shows an applicator device, generally designated 1, for applying a viscous material to a substrate.
  • the application device 1 comprises an outer shell 2 and in the representation of figure 1 invisible inner container 3, which is arranged within the outer shell 2 and the viscous material, such as a sealant, stored.
  • the inner container 3 is later in connection with the Figures 4-7 explained in more detail.
  • the application device 1 comprises an applicator 4 which is connected to the outer shell 2 via a threaded connection.
  • the threaded connection between the applicator 4 and the outer shell 2 is air-permeable.
  • An external pressure exerted on the outer shell 2 is transferred to the inner container 3, as a result of which the viscous material is conveyed from the inner container 3 into the applicator 4 and can then be applied to a substrate.
  • the applicator 4 has a discharge opening 5 through which the viscous material can emerge from the application device 1 .
  • the Figures 2 and 3 show two views of the outer shell 2 of the application device 1 figure 1 .
  • the outer shell 2 comprises a neck area 6 with an opening 7, the neck area 6 being essentially in the form of a hollow cylinder and having an inside diameter D1.
  • the neck area 6 is provided with an external thread 8 which is used to screw the outer shell 2 to the applicator 4 of the application device 1 .
  • the external thread 8 is designed as a left-hand thread.
  • the outer shell 2 has lamellar folds 9 in the manner of a bellows, with the lamellae 10 extending circumferentially, starting from an area below the neck region 6 of the outer shell 2, over the left side 11 of the outer shell 2, over its underside 12 and over the right side 13 in turn extend up to the neck area 6.
  • the folding of the lamellae 9 makes it easier to compress the outer shell 2 .
  • a user can grasp the outer shell 2 with one hand between the thumb and at least one other finger and exert pressure on the two opposite actuating surfaces 14 and 15 in such a way that the two actuating surfaces 14 and 15 are moved towards one another.
  • the lamella fold 9 is designed in such a way that the outer shell 2 is compressed essentially in a direction perpendicular to a main flow direction of the viscous material within the application device 1 .
  • a main direction of flow of the viscous material is in the figures 1 and 3 shown by the arrow 16 and extends from the underside 12 of the outer shell 2 in the direction of the applicator 4 and the opening 7.
  • the direction perpendicular thereto, in which the outer shell 2 is compressed is also indicated by the arrow 17 .
  • the exemplary embodiment shown has five slats, with the opening angle ⁇ between two adjacent slats being approximately 47°.
  • figure 4 shows an inner container 3 of the application device 2.
  • the inner container 3 is designed as a foil bag made of an aluminum laminate with a foil thickness of about 100 ⁇ m by welding at the edges.
  • the inner container 3 serves to store the viscous material and has a discharge opening 18 .
  • an insert 19 is connected to the inner container 3 in an airtight manner by welding.
  • the insert 19 is essentially in the form of a hollow cylinder figure 6 and from figure 11 is better visible.
  • the outer diameter D2 of the insert 19 is smaller than the inner diameter D1 of the neck area 6 of the outer casing 2, see also figure 11 .
  • the insert 19 is part of a ventilation device, which will be explained in more detail below.
  • the inner container 3 is in the application device 1 from figure 1 arranged within the outer shell 2.
  • the inner container 3 is folded in a U-shape, resulting from the Figures 5 and 6 is evident.
  • the right flank 20 is first folded onto the central area of the inner container 3 and then the left flank 21 of the inner container 3 is laid directly over it.
  • figure 6 shows a top view of the arrangement of the flanks 20 and 21 of the inner container 3 in the U-shaped folded state. In this state, the inner container 3 can be inserted through the opening 7 into the interior of the outer shell 2 .
  • the inner container 3 Due to the subsequent filling of the inner container 3 with the viscous material through the opening 18, the inner container 3 gradually unfolds, with an upper region of the inner container 3 initially unfolding, which in figure 7 is indicated before the lower region of the inner container 3 also unfolds completely as it is filled further.
  • the U-shaped fold leads to a particularly reliable unfolding of the inner container 3, which enables a more uniform and more complete filling with viscous material.
  • the inner container 3 introduced into the outer shell 2 is connected to the outer shell 2 via a locking mechanism.
  • the insert 19 connected to the inner container 2 has latching means 22 on its outside, see also FIG figure 8 , which latch in the position of use of the inner container 3 in the outer shell 2 with corresponding latching means on the inside of the neck region 6 of the outer shell 2. Due to the difference between the outer diameter D2 of the insert 19 and the inner diameter D1 of the neck area 6, an annular gap is formed between the insert 19 and the neck area 6 of the outer casing 2 in the inserted position of the insert 19, cf.
  • Figure 11 shows a plan view of a section through the insert 19 along the in figure 5 marked line AB, wherein the insert 19 is inserted into the neck area 6 of the outer shell 2.
  • the annular gap is represented here by a shaded area, but not true to scale. Air can flow through this annular gap into the space between the outer shell 2 and the inner container 3 and vice versa.
  • diameter D1 is approximately 19.3 mm and diameter D2 is approximately 17.8 mm.
  • the annular gap thus has a gap width of about 0.75 mm.
  • figure 9 shows a detail of the connection area of applicator 4, insert 19 and neck area 6 of the outer shell 2 in a schematic, partially sectioned representation.
  • the threaded connection between the applicator 4 and the neck area 6 of the outer shell 2 is air-permeable, so that air from the outside can flow in the direction indicated by the arrow 23 into the area of the threaded connection and can flow through it and finally in the area indicated by the arrow 24 can flow through the annular gap between the insert 19 and the neck area 6 of the outer shell 2 into the space between the inner container 3 and the outer shell 2 .
  • the applicator 4 has a sealing means 25 by which the inner volume of the inner container 3 that is accessible via the dispensing opening 18 is sealed off from the space between the outer casing 2 and the inner container 3 .
  • the sealing means 25 by which the inner volume of the inner container 3 that is accessible via the dispensing opening 18 is sealed off from the space between the outer casing 2 and the inner container 3 .
  • This ventilation device ensures that the viscous material is discharged uniformly and without bubbles from the application device 1 .
  • the air located between the outer shell 2 and the inner container 3 first escapes through the annular gap between the neck region 6 of the outer shell 2 and the insert 19 of the inner container 3 and passes through the air-permeable threaded connection between the applicator 4 and the outer shell 2 to the outside.
  • the pressure on the outer shell 2 is transferred to the inner container 3, as a result of which viscous material is conveyed from the inner container 3 into the applicator 4 and is dispensed through its dispensing opening 5 onto a substrate.
  • figure 10 shows an alternative embodiment of an applicator 4.
  • the applicator 4 is off figure 10 formed in a delta shape.
  • the outer edges 26, 27, 28, 29 of the applicators 4 from the figures 1 and 4 serve as a means for smoothing out the viscous material or as a means for cleaning adjoining substrate areas.
  • the main body 30 of the applicator 4 is made from a more rigid material than the means for smoothing and cleaning, which are made from a supple material.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Coating Apparatus (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Seal Device For Vehicle (AREA)
  • Confectionery (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Claims (11)

  1. Dispositif d'application (1) permettant d'appliquer une matière visqueuse sur un substrat, comprenant un récipient intérieur (3) présentant une ouverture d'évacuation (18) et destiné à la réception de la matière visqueuse, une enveloppe extérieure (2) entourant le récipient intérieur (3) et comportant une région de col (6) sensiblement en forme de cylindre creux, un diamètre intérieur D1 et une ouverture (7) formée dans la région de col (6), ainsi qu'un applicateur (4) relié à l'enveloppe extérieure (2), la matière visqueuse pouvant être transportée hors du récipient intérieur (3) jusque dans l'applicateur (4) par de la pression sur l'enveloppe extérieure (2) et, au moyen dudit applicateur, pouvant être appliquée sur un substrat, le dispositif d'application (1) présentant un dispositif de ventilation, comprenant un insert (19) relié de manière étanche à l'air au récipient intérieur (3) dans la région de l'ouverture d'évacuation (18), lequel insert est sensiblement en forme de cylindre creux et présente un diamètre extérieur D2, le diamètre extérieur D2 de l'insert (19) étant inférieur au diamètre intérieur D1 de la région de col (6) de l'enveloppe extérieure (2), et l'insert (19) présentant, sur sa face extérieure, des moyens d'encliquetage (22) au moyen desquels il est encliqueté dans une position insérée à l'intérieur de la région de col (6) de l'enveloppe extérieure (2), dans ladite position insérée, en raison des différents diamètres D1 et D2, un interstice annulaire étant réalisé entre l'insert (19) et la région de col (6) de l'enveloppe extérieure (2), à travers lequel interstice annulaire de l'air peut s'écouler depuis l'extérieur jusque dans l'espace intermédiaire entre l'enveloppe extérieure (2) et le récipient intérieur (3), caractérisé en ce que de l'air peut également s'écouler vers l'extérieur à partir de l'espace intermédiaire entre l'enveloppe extérieure (2) et le récipient intérieur (3), et en ce qu'en outre, la liaison entre l'applicateur (4) et l'enveloppe extérieure (2) est réalisée de manière perméable à l'air et l'applicateur (4) comprend un moyen d'étanchéité (25) au moyen duquel, lorsque l'applicateur (4) est dans la position insérée, le volume intérieur du récipient intérieur (3) est rendu étanche à l'air et aux fuites par rapport à l'espace intermédiaire entre l'enveloppe extérieure (2) et le récipient intérieur (3).
  2. Dispositif d'application (1) selon la revendication 1, caractérisé en ce que l'interstice annulaire présente une largeur d'interstice de 0,4 à 1 mm.
  3. Dispositif d'application (1) selon la revendication 1 ou 2, caractérisé en ce que l'enveloppe extérieure (2) présente un pliage en lamelles (9) avec lequel une compression de l'enveloppe extérieure (2) est facilitée.
  4. Dispositif d'application (1) selon la revendication 3, caractérisé en ce que le pliage en lamelles (9) est réalisé de telle sorte qu'une compression de l'enveloppe extérieure (2) est effectuée sensiblement dans un sens perpendiculaire à un sens d'écoulement principal (16) de la matière visqueuse.
  5. Dispositif d'application (1) selon l'une des revendications 1 à 4, caractérisé en ce que le récipient intérieur (3) est réalisé sous forme de sachet en feuille.
  6. Dispositif d'application (1) selon la revendication 5, caractérisé en ce que le récipient intérieur (3) est réalisé à partir d'une feuille à base d'aluminium.
  7. Dispositif d'application (1) selon l'une des revendications 1 à 6, caractérisé en ce que le récipient intérieur (3) est relié à l'insert (19) par soudage, la liaison par soudage présentant une étanchéité à la pression jusqu'à au moins 1,5 bar.
  8. Dispositif d'application (1) selon l'une des revendications 1 à 7, caractérisé en ce que l'applicateur (4) comprend un corps principal (30) ainsi que des moyens permettant le lissage (26, 29) de la matière visqueuse appliquée et/ou des moyens permettant le nettoyage (27, 28) de régions de substrat adjacentes.
  9. Dispositif d'application (1) selon la revendication 8, caractérisé en ce que l'applicateur (4) présente au moins deux matières de rigidités différentes, le corps principal (30) étant fabriqué à partir d'une matière plus rigide que celle des moyens permettant le lissage et/ou des moyens permettant le nettoyage (26, 27, 28, 29).
  10. Procédé de production d'un dispositif d'application (1) selon l'une des revendications 1 à 9, comprenant les étapes suivantes :
    - fourniture d'un récipient intérieur (3) et d'un insert (19) relié au récipient intérieur (3), d'une enveloppe extérieure (2) comportant une région de col (6) et une ouverture (7), ainsi que d'un applicateur (4) ;
    - pliage en forme de U du récipient intérieur (3) en superposant directement un flanc gauche (21) du récipient intérieur (3) et un flanc droit (20) du récipient intérieur (1) ;
    - introduction du récipient intérieur (3) plié en forme de U à travers l'ouverture (7) dans l'enveloppe extérieure (2) ;
    - encliquetage de l'insert (19) du récipient intérieur (3) avec la région de col (6) de l'enveloppe extérieure (2) en formant un interstice annulaire entre l'insert (19) du récipient intérieur (3) et la région de col (6) de l'enveloppe extérieure (2) ;
    - remplissage du récipient intérieur (3) avec la matière visqueuse ;
    - application de l'applicateur (4) sur l'enveloppe extérieure (2) et liaison de l'applicateur (4) et de l'enveloppe extérieure (2), la liaison de l'applicateur (4) et de l'enveloppe extérieure (2) étant perméable à l'air, tandis que l'applicateur (4) rend l'espace intermédiaire entre l'enveloppe extérieure (2) et le récipient intérieur (3) étanche par rapport au volume intérieur du récipient intérieur (3) ;
    - éventuellement, placement d'un capuchon de protection sur l'applicateur (4) et encliquetage du capuchon de protection avec l'enveloppe extérieure (2).
  11. Procédé selon la revendication 10, caractérisé en ce que l'enveloppe extérieure (2) est fabriquée à partir d'un élastomère thermoplastique dans un processus d'injection-soufflage.
EP20201502.0A 2020-10-13 2020-10-13 Dispositif d'application et procédé de fabrication d'un dispositif d'application Active EP3984912B1 (fr)

Priority Applications (10)

Application Number Priority Date Filing Date Title
PL20201502.0T PL3984912T3 (pl) 2020-10-13 2020-10-13 Przyrząd nanoszący i sposób wytwarzania przyrządu nanoszącego
ES20201502T ES2960992T3 (es) 2020-10-13 2020-10-13 Dispositivo de aplicación y procedimiento para fabricar un dispositivo de aplicación
EP20201502.0A EP3984912B1 (fr) 2020-10-13 2020-10-13 Dispositif d'application et procédé de fabrication d'un dispositif d'application
AU2021359671A AU2021359671A1 (en) 2020-10-13 2021-09-30 Application device and method for producing an application device
MX2023004222A MX2023004222A (es) 2020-10-13 2021-09-30 Dispositivo de aplicacion y metodo para producir un dispositivo de aplicacion.
JP2023522413A JP2023546056A (ja) 2020-10-13 2021-09-30 適用装置及び適用装置の製造方法
CN202180079644.2A CN116568612A (zh) 2020-10-13 2021-09-30 施涂装置以及施涂装置的制造方法
PCT/EP2021/076935 WO2022078768A1 (fr) 2020-10-13 2021-09-30 Dispositif d'application et procédé de production d'un dispositif d'application
CA3198651A CA3198651A1 (fr) 2020-10-13 2021-09-30 Dispositif d'application et procede de production d'un dispositif d'application
US18/297,170 US12138652B2 (en) 2020-10-13 2023-04-07 Application device and method for producing an application device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20201502.0A EP3984912B1 (fr) 2020-10-13 2020-10-13 Dispositif d'application et procédé de fabrication d'un dispositif d'application

Publications (2)

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EP3984912A1 EP3984912A1 (fr) 2022-04-20
EP3984912B1 true EP3984912B1 (fr) 2023-08-16

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EP20201502.0A Active EP3984912B1 (fr) 2020-10-13 2020-10-13 Dispositif d'application et procédé de fabrication d'un dispositif d'application

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US (1) US12138652B2 (fr)
EP (1) EP3984912B1 (fr)
JP (1) JP2023546056A (fr)
CN (1) CN116568612A (fr)
AU (1) AU2021359671A1 (fr)
CA (1) CA3198651A1 (fr)
ES (1) ES2960992T3 (fr)
MX (1) MX2023004222A (fr)
PL (1) PL3984912T3 (fr)
WO (1) WO2022078768A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5033647A (en) * 1990-03-09 1991-07-23 Allergan, Inc. Value controlled squeezable fluid dispenser
DE4027539A1 (de) 1990-08-31 1992-03-05 Kautex Werke Gmbh Quetschflasche mit innenbeutel
WO1996022919A1 (fr) * 1995-01-25 1996-08-01 Lameplast S.R.L. Recipient deformable servant a injecter des substances medicinales ou cosmetiques
FR2800041B1 (fr) * 1999-10-22 2001-12-07 Oreal Ensemble de conditionnement et d'application d'un produit liquide
FR2805442B1 (fr) * 2000-02-25 2003-02-14 Oreal Dispositif pour le conditionnement et l'application d'une composition capillaire
DE50202723D1 (de) * 2001-05-07 2005-05-12 Wella Ag Behälteranordnung zum entnehmen und applizieren von teilmengen eines flüssigen produkts
CN106003663A (zh) * 2007-12-07 2016-10-12 先进技术材料股份有限公司 用于外包装容器的吹塑衬里及其制造方法
US9504304B2 (en) * 2010-10-06 2016-11-29 Ratioplast Gmbh Applicator for a flowable application medium
KR101502714B1 (ko) * 2010-12-29 2015-03-13 이엘씨 매니지먼트 엘엘씨 열에 의해 열화될 수 있는 제품을 위한 가열식 도포기 시스템
EP3375723B1 (fr) * 2013-06-28 2020-03-11 Yoshino Kogyosho Co., Ltd. Récipient à double paroi
DE102015206652A1 (de) 2015-04-14 2016-10-20 Henkel Ag & Co. Kgaa Applikator zum Auftragen einer Dichtmasse
JP6583988B2 (ja) * 2015-04-15 2019-10-02 フジテクノ株式会社 充填用継手、および、飲料充填方法
DE202015106902U1 (de) 2015-12-17 2016-01-14 Werner & Mertz Gmbh Applikator

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US20230338983A1 (en) 2023-10-26
AU2021359671A1 (en) 2023-06-22
MX2023004222A (es) 2023-04-21
PL3984912T3 (pl) 2024-02-19
US12138652B2 (en) 2024-11-12
ES2960992T3 (es) 2024-03-07
CN116568612A (zh) 2023-08-08
CA3198651A1 (fr) 2022-04-21
EP3984912A1 (fr) 2022-04-20
AU2021359671A9 (en) 2024-05-02
WO2022078768A1 (fr) 2022-04-21
JP2023546056A (ja) 2023-11-01

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