EP2986394B1 - Application nozzle - Google Patents

Application nozzle Download PDF

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Publication number
EP2986394B1
EP2986394B1 EP14726179.6A EP14726179A EP2986394B1 EP 2986394 B1 EP2986394 B1 EP 2986394B1 EP 14726179 A EP14726179 A EP 14726179A EP 2986394 B1 EP2986394 B1 EP 2986394B1
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EP
European Patent Office
Prior art keywords
application nozzle
application
nozzle
accordance
outlet opening
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
EP14726179.6A
Other languages
German (de)
French (fr)
Other versions
EP2986394B8 (en
EP2986394A1 (en
Inventor
Thomas BRODBECK
Andreas Hufschmid
Manuel Buck
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Medmix Switzerland AG
Original Assignee
Sulzer Mixpac AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sulzer Mixpac AG filed Critical Sulzer Mixpac AG
Publication of EP2986394A1 publication Critical patent/EP2986394A1/en
Publication of EP2986394B1 publication Critical patent/EP2986394B1/en
Application granted granted Critical
Publication of EP2986394B8 publication Critical patent/EP2986394B8/en
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Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00503—Details of the outlet element
    • 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
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
    • 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
    • B05C17/01—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 manually mechanically or electrically actuated piston or the like
    • 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
    • B05C17/00553—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

Definitions

  • the present invention relates to an application nozzle for an application system for gel-like and/or pasty compositions and also an application system, an application device and a method for applying a composition.
  • Application nozzles for an application system for applying gel-like and/or pasty compositions such as adhesives or sealants are already known from the prior art.
  • the pamphlet U.S. 5,249,876 describes a nozzle for dispensing a filler material in corner areas.
  • the nozzle includes a beveled opening within a tip oriented at a 45° angle to an outer surface.
  • the bevel is intended to improve usability, particularly in corner areas.
  • the above problems in using the nozzle are not solved satisfactorily.
  • the pamphlet EP1632293A1 describes a nozzle for dispensing a free-flowing substance, preferably a liquid or pasty adhesive and/or sealant, in particular for glazing window panes for motor vehicles, which has a nozzle tip with an orifice for the exit of the substance, whose opening at least in one section has a Has longitudinal extension in the direction of the nozzle, preferably with a substantially triangular or V-shaped profile.
  • a gel-like and/or paste-like composition such as e.g. Adhesives or sealants on a substrate are simplified, the visibility of the application nozzle is improved during the application of the composition and overall the manageability and ergonomics of the system during the application of the composition by means of the application system or the application device.
  • an application nozzle for an application system for gel-like and/or pasty compositions, the application nozzle having an entry area and an exit area for the composition, the application nozzle having a longitudinal axis and a plane running in the longitudinal direction of the application nozzle, in particular a plane of symmetry , in which the longitudinal axis lies, wherein the outlet area of the application nozzle comprises a placement area for the application nozzle on a substrate, which is perpendicular to the plane, in particular to the plane of symmetry, and an outlet opening for the composition, the placement area and the outlet opening being two separate ones against one another kinked portions are structurally delimited from each other, wherein the contact area is at least partially beveled, and wherein the application nozzle further has an upper crest line and a lower crest line, the lie in said plane, with the upper crest line opening into the outlet opening and the lower crest line opening into the landing area.
  • the upper crest line and the longitudinal axis enclose an angle that is smaller than the angle enclosed by the lower crest line and the longitudinal axis.
  • gel-like and/or pasty compositions can be adhesives or sealants of all kinds.
  • adhesives it is particularly conceivable that they are ready-made adhesives or accelerated one-component adhesives to which an accelerator or booster is added for faster curing, or two-component adhesives.
  • a gel-like composition has in particular a gel-like consistency, i.e. a consistency like a gel.
  • a gel is generally defined as a finely dispersed system made up of at least one solid and one liquid phase.
  • the solid phase forms a spongy, three-dimensional network whose pores are filled with a liquid (lyogel) or a gas (xerogel); if the network is highly porous and air is the stored gas, the gel is also referred to as aerogel. Both phases penetrate each other completely (bicoherent).
  • a pasty composition has in particular a pasty consistency, i.e. a consistency like a paste (i.e. a solid-liquid mixture (suspension) with a high content of solids) and in particular has pseudoplastic properties, mostly preferably thixotropic.
  • a pasty consistency i.e. a consistency like a paste (i.e. a solid-liquid mixture (suspension) with a high content of solids) and in particular has pseudoplastic properties, mostly preferably thixotropic.
  • the placement area is in particular the area of the application nozzle that is intended to be placed on the substrate on which the gel-like and/or pasty composition is to be applied and is also placed during application.
  • the outlet opening is preferably provided on a surface which adjoins the plane formed by the mounting area.
  • the outlet opening is adjacent to the placement area.
  • the exit area can include (at least) two sections, namely the placement area and the exit opening.
  • the mounting area and outlet opening can form a common opening, with an edge of the mounting area lying in a first plane and an edge of the outlet opening in a second plane, with the first and second planes being at an angle (> 0°) to one another (preferably ⁇ 45°). or ⁇ 60° or ⁇ 135° or ⁇ 110 degrees).
  • the outlet opening (or an edge surrounding the outlet opening) can therefore be bent relative to the mounting area (or an edge surrounding the mounting area).
  • 5,249,876 is not only one opening formed, which represents both the placement area and the outlet opening, but two separate sections that are kinked (beveled) relative to one another are provided, so that the placement area and outlet opening are structurally delimited from one another (e.g. by an imaginary buckling line, which is defined by a cutting line the above-mentioned first and second level can be defined).
  • the placement area can be polygonal, in particular square.
  • the outlet opening can also be polygonal, in particular triangular.
  • the attachment area and the outlet opening can form a (bent) pentagon, i.e. in particular a combination of a square attachment area and a triangular outlet opening.
  • one side of the quadrangular seating area can form a common side (connecting line) with one side of the triangular outlet opening.
  • Alternatives are conceivable (for example, a square contact area and a square outlet opening, which together form a (kinked) square, or a triangular contact area and square outlet opening, which together form a (kinked) pentagon).
  • the mounting area and the outlet opening can therefore realize a common polygon (in particular a pentagon) in a projection onto the plane of the mounting area.
  • the bevel of the contact area has the effect, in particular, that the application device with the application system inserted in the application device is tilted when the contact area of the application nozzle is placed on the substrate such that the application nozzle is visible during application.
  • the partial bevel results in the advantage that the user of the application system during the application of the composition, such as an adhesive or a sealant, essentially by himself or “automatically” places the application nozzle with its contact area correctly on the substrate and thereby enables the composition, such as an adhesive or sealant, to be applied as evenly as possible.
  • the contact area of the application nozzle is, for example, the tip of the application nozzle and in particular the area with which the application nozzle is placed on a substrate and through which the composition also passes during application.
  • the partial beveling of the application nozzle's contact area also results in the further advantage that the application nozzle's contact area remains visible during application and the user therefore does not tend to tilt the application nozzle or the application system. Such an avoidance of tilting contributes to the fact that the contact area of the application nozzle remains correctly aligned in relation to the substrate and therefore a very uniform application is possible.
  • the partial beveling of the contact area of the application nozzle results in the additional advantage that the user can assume a more natural posture, since the contact area is correctly aligned essentially by himself or “automatically” in relation to the substrate.
  • the visibility of the contact area of the application nozzle during application also serves to ensure that the user does not have to move his head, for example to check, but can adopt a comparatively relaxed posture overall.
  • the mounting area is beveled in relation to the longitudinal axis mentioned.
  • the contact area is beveled in relation to the longitudinal axis in the longitudinal cross section of the application nozzle, in particular so that the plane defined by the bevel is perpendicular to the plane of the longitudinal cross section, which can also be or is the plane of symmetry running in the longitudinal direction of the application nozzle , stands.
  • the contact area of the application nozzle preferably has a polygonal cross section, in particular a triangular, quadrangular or pentagonal cross section. Compared to a round cross-section of the placement area, this increases the stability of the application nozzle or of the entire application device when it is placed on the substrate.
  • the corners in the cross section of the placement area, especially on the inside of the application nozzle, are rounded.
  • the rounded corners or edges reduce material loss when the application nozzle has to be replaced. This is because the roundings reduce the volume of the space inside the application nozzle through which the composition flows.
  • the outlet opening for the composition is preferably located on a surface adjoining the plane formed by the placement area the application nozzle.
  • the outlet opening is preferably at the very rear of the application nozzle in the direction of movement of the application device.
  • the outlet opening for the composition is polygonal, in particular triangular.
  • the geometry of the outlet opening also largely determines the shape of the composition applied through the application nozzle, the so-called bead.
  • outlet opening for the composition prefferably be at least partially rounded off in at least one corner area and/or edge area.
  • the beveling of the contact area takes place with an angular range between (approx.) 50° to (approx.) 85°, in particular 60° to (approx.) 75°, preferably 65° to 70° (based on on the longitudinal axis of the application nozzle).
  • the bevel of the contact area can be (approx.) 68° in relation to the longitudinal axis of the application nozzle.
  • the outlet opening can be aligned (essentially) parallel to the longitudinal axis of the application nozzle, preferably at an angle of at least 1°, more preferably at least 10° and/or preferably at most 25°, more preferably at most 30°, relative to the longitudinal axis of the application nozzle.
  • An angle between a plane defined by the landing area and a plane defined by the exit port may represent a sum of the above values relating to the landing area and the exit port (it is emphasized that any combination of lower and upper limits may be possible).
  • An edge of the attachment area preferably forms a U.
  • An edge of the outlet opening preferably forms a V.
  • the application nozzle prefferably has at least one edge and/or rib, with the edge and/or rib in particular being designed and constructed in such a way that the application nozzle has increased flexural rigidity and/or increased compared to an application nozzle with an essentially round cross section. or torsional rigidity.
  • the ribs can be embodied as reinforcing ribs and are used where extra and additional reinforcement and stiffening is deemed necessary and desirable.
  • the application nozzle has a (substantially) polygonal cross-section in relation to the cross-section.
  • an (essentially) polygonal cross section results in the particular advantage that the application nozzle has increased flexural rigidity and/or torsional rigidity compared to an application nozzle with an essentially round cross section. This also results in the particular advantage that the overall stability of the nozzle can be increased. This in turn is advantageous with regard to the application of the composition to be distributed or applied through the nozzle, such as an adhesive, which is applied to a substrate through the nozzle. A buckling of the nozzle while the nozzle is being placed on the substrate is thereby advantageously avoided or can be prevented as a result.
  • An (essentially) polygonal cross-section preferably has 3 to 7 corners, particularly preferably 3 to 6 corners, for example 4 corners.
  • the application nozzle has a cross section or a shape that has at least one concave section, the application nozzle having in particular at least one flattened side surface, the application nozzle preferably having two flattened side surfaces.
  • the flattened side faces are in particular designed and constructed in such a way that they are offset inwards relative to the cross section of the application nozzle in the direction of the longitudinal axis of the application nozzle or lead to a partially concave shape of the cross section of the application nozzle.
  • Such a shape has the advantage that the volume inside the application nozzle through which the composition, in particular the adhesive, flows or flows is reduced in comparison to a nozzle with a substantially round cross section. This results in the advantage that, after the application of the composition to a substrate has ended, the volume of the composition remaining in the nozzle is lower compared to a nozzle with a substantially round cross-section.
  • the present invention relates to an application system with the features of claim 10. Accordingly, it is provided that the application system is provided with at least one application nozzle according to one of claims 1 to 9.
  • An application system can, for example, be designed in such a way that it is an application system for two-component substances or one-component adhesives with an additional accelerator or booster.
  • a wet-reactive composition contained in a first packaging unit a hardener component contained in a second packaging unit and a dynamic mixer designed for use in an application device and for being driven by this
  • the first packaging unit comprising a Tubular bag
  • the second packaging unit is a cartridge with a rigid wall.
  • the application nozzle can be essentially hollow if one-component adhesives are involved.
  • a static mixer is connected to the application nozzle or is integrated into it.
  • Such a static mixer may have static mixing elements, such as rotor-like or blade-like baffles, which cause mixing of the components of the composition.
  • a dynamic mixer is connected to the application nozzle or is integrated into it.
  • the dynamic mixer can have at least one piercing element for opening the first and/or second packaging unit, two pre-mixing chambers and a rotor with rotor blades designed to bring about a forward movement in connection with the mixing process.
  • Such dynamic mixers are for example in WO 2012/116883 A1 and the WO 2012/116863 A1 described.
  • the application system can be part of an application device, for example an application gun, which is battery operated, rechargeable battery operated and/or compressed air operated and/or provided with a power connection.
  • an application device with the features of claim 11. Accordingly, it is provided that an application device, in particular a battery-powered application device, is provided with at least one application nozzle according to one of claims 1 to 9 and/or at least one application system according to claim 10.
  • the present invention relates to a method for applying gel-like and / or pasty compositions with the features of claim 12. Accordingly, it is provided that in a method for applying gel-like and / or pasty compositions, an application nozzle according to one of claims 1 to 9 and /or an application system according to claim 10 and/or by means of an application device according to claim 11 is used.
  • figure 1 shows a side view of an embodiment of an application nozzle 10 according to the invention and figure 2 a view of the in figure 1 shown embodiment of the application nozzle from above.
  • figure 3 shows a view of the embodiment according to FIG figure 1 in a bottom view.
  • the application nozzle 10 is an application nozzle 10 for an e.g Figure 4 or 5 shown application system 100 of an application device 200 for applying a gel-like and / or pasty composition, wherein the composition is, for example, an adhesive.
  • a sealant can also be applied with such a nozzle.
  • the application nozzle 10 has an entry area 12 and an exit area 14 for the composition, the application nozzle 10 having a plane of symmetry E running in the longitudinal direction of the application nozzle 10 and in which the longitudinal axis X of the application nozzle 10 also lies.
  • the exit area 14 of the application nozzle 10 includes a (substantially) perpendicular to the plane of symmetry E placement area 20 for the application nozzle 10 on a substrate.
  • composition here in particular the adhesive, is pressed through an inlet area 12 of the application nozzle 10 by means of the application system 100 inserted into the application device 200 and leaves the nozzle in the outlet area 14.
  • the composition such as the adhesive, for example, can leave the nozzle (only) through the outlet opening 16 .
  • the outlet opening 16 has an (essentially) triangular shape. It has been shown that the present invention has great advantages, especially when applying triangular beads.
  • the application nozzle 10 shown is consequently a triangular nozzle, by means of which a triangular bead can be applied.
  • This has the advantage, for example, that the height of the bead can be higher than that of a round bead with the same amount of adhesive, and this allows for larger gaps.
  • Tilting the application nozzle can lead to the composition not only exiting through the outlet opening 16, but also next to the outlet opening 16 in the area of the edges of the contact area 20. This leads, for example, to the undesirable effect that the bead produced has a broadened base. Furthermore, the outlet opening 16 is de facto enlarged overall by such a tilting, so that the caterpillar also becomes higher and changes its geometry.
  • the placement area 20 for placement on a substrate for applying the adhesive is at least partially beveled by the bevel 30.
  • the contact area 20 (or a plane defined by a bevel) is beveled in relation to the longitudinal axis X in the longitudinal cross section of the application nozzle 10, in particular so that the plane defined by the bevel is perpendicular to the plane E of the longitudinal cross section.
  • the bevel 30 of the contact area 20 has an angle ⁇ , which is selected in an angle range between about 50° to about 85°, in particular 60° to about 75°, preferably 65° to 70°.
  • the angle ⁇ is approximately 68°, since this angle has proven to be particularly advantageous in order to achieve the effects according to the invention in an outstanding manner.
  • an upper crest line K1 and the longitudinal axis X enclose an angle which is smaller than the angle enclosed by a lower crest line K2 and the longitudinal axis X. This also contributes to the fact that the rigidity of the application nozzle 10 is increased, but at the same time the dead volume (in the course of an exchange of the application nozzle 10) is reduced.
  • this arrangement additionally improves the user's visibility of the exit opening.
  • the application nozzle 10 has (at least) one (possibly flattened) edge 40 on both sides, with the edge 40 in particular being designed and constructed in such a way that the application nozzle has increased flexural rigidity and/or increased compared to an application nozzle with an essentially round cross section. or torsional rigidity.
  • the application nozzle 10 has a cross section which has at least one concave section in the area of the flattened side surface 50 .
  • the flattened side surfaces 50 are designed and designed in such a way that, in relation to the top view (see in particular figure 2 ) of the application nozzle 10 are offset inwards in the direction of the longitudinal axis X of the application nozzle 10 or lead to a partially concave shape of the cross section of the application nozzle 10.
  • the volume in the interior of the application nozzle 10, through which the composition flows or flows is reduced in comparison to a nozzle with a substantially round cross section.
  • the volume of composition remaining in the application nozzle 10 is less compared to a nozzle having a substantially round cross-section. This enables improved utilization of the composition, because the interior of the application nozzle 10 through which the composition flows represents a dead volume that essentially cannot be used or can only be used with difficulty. Consequently, there is less loss of material in the application nozzle 10 compared to nozzles that have other cross sections.
  • Figure 4 and 5 show an embodiment of a battery-powered application device 200 with the in figure 1 shown application nozzle 10.
  • the application device 200 has an application system 100 that can be inserted into the application device 200 or is a component of the application device 200 .

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Coating Apparatus (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Nozzles (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Description

Technisches Gebiettechnical field

Die vorliegende Erfindung betrifft eine Applikationsdüse für ein Applikationssystem für gelförmige und/oder pastösen Zusammensetzungen sowie ferner ein Applikationssystem, ein Applikationsgerät und ein Verfahren zur Applizierung einer Zusammensetzung.The present invention relates to an application nozzle for an application system for gel-like and/or pasty compositions and also an application system, an application device and a method for applying a composition.

Stand der TechnikState of the art

Aus dem Stand der Technik sind bereits Applikationsdüsen für ein Applikationssystem zur Applizierung für gelförmige und/oder pastöse Zusammensetzungen wie z.B. Klebstoffe oder Dichtstoffe bekannt.Application nozzles for an application system for applying gel-like and/or pasty compositions such as adhesives or sealants are already known from the prior art.

Die Verarbeitung von gelförmigen und/oder pastösen Zusammensetzungen wie z.B. Klebstoffen oder Dichtstoffen zur Herstellung von Klebverbindungen und/oder Abdichtungen ist auf den verschiedensten Gebieten der Technik seit langem bekannt und tägliche Praxis. Für die verschiedenen, sich hinsichtlich der Praxisanforderungen teils ganz erheblich unterscheidenden Einsatzgebiete wurden verschiedenartige Verpackungs-Konfigurationen und hieran angepasste Applikationsgeräte entwickelt.The processing of gel-like and/or pasty compositions such as adhesives or sealants for the production of adhesive connections and/or seals has long been known in the most diverse fields of technology and is daily practice. Various packaging configurations and application devices adapted to these have been developed for the various areas of application, some of which differ significantly in terms of practical requirements.

Im industriellen Einsatzbereich dominieren koordinatengesteuerte Anlagen, bei denen vorrangig Pumpen bzw. pneumatische Fördereinrichtungen zum Austreiben der Systemkomponenten aus den jeweiligen Verpackungseinheiten benutzt werden. Derartige Anlagen eignen sich nur bedingt für die Kleinserienproduktion und grundsätzlich nicht für den Handwerksbereich.In industrial applications, coordinate-controlled systems dominate, in which primarily pumps or pneumatic conveying devices are used to expel the system components from the respective packaging units. Systems of this type are only suitable to a limited extent for small series production and are fundamentally not suitable for the handicraft sector.

Im Handwerksbereich, etwa bei der bauseitigen Herstellung von Verklebungen bzw. Abdichtungen oder bei der Fahrzeugersatzverglasung, dominierten früher handbetriebene Applikationsgeräte und seit einigen Jahren gibt es netz- und akkubetriebene Geräte. Diese haben den kraftraubenden Austreibvorgang für den Handwerker wesentlich erleichtert und den Einsatz größerer Packungen mit entsprechenden Austreibkräften überhaupt erst möglich gemacht. Der Einsatzbereich ist aber begrenzt. Des Weiteren ist zu beachten, dass diese Geräte teilweise sperrig sind und ein nicht unerhebliches Gewicht von bis zu ca. 5 kg aufweisen.In the trade sector, for example in the on-site production of adhesives or seals or in vehicle replacement glazing, hand-operated application devices used to dominate and for several years there have been mains and battery-operated devices. These have the power-sapping expulsion process for makes it much easier for the craftsman and makes the use of larger packs with corresponding expulsion forces possible in the first place. However, the area of application is limited. Furthermore, it should be noted that some of these devices are bulky and have a not inconsiderable weight of up to approx. 5 kg.

Die Handhabung eines sperrigen und vergleichsweise schweren Applikationsgerätes ist daher durchaus ermüdend und kann deshalb mit der Zeit auch Einfluss auf die gleichmäßige Auftragung des Kleb- oder Dichtstoffes haben.The handling of a bulky and comparatively heavy application device is therefore quite tiring and can therefore also affect the even application of the adhesive or sealant over time.

Denn um den Kleb- oder Dichtstoff gleichmäßig aufzutragen, ist es erforderlich, die Auftragung nach Möglichkeit stets im Blick zu haben und des Weiteren auch den Winkel des Applikationsgerätes zum Substrat, auf dem der Kleb- oder Dichtstoff aufgetragen wird, möglichst nicht zu verändern, d.h. das Applikationsgerät zu verkippen.Because in order to apply the adhesive or sealant evenly, it is necessary to keep an eye on the application whenever possible and, if possible, not to change the angle of the application device to the substrate on which the adhesive or sealant is applied, i.e. to tilt the application device.

Bekannte Applikationsdüsen derartiger Applikationssysteme bzw. Applikationsgeräte für derartige Zusammensetzungen wie Kleb- oder Dichtstoffe weisen aber den Nachteil auf, dass während des Applikationsvorganges die Spitze der Applikationsdüse durch das Applikationsgerät verdeckt ist. Dies führt dazu, dass der Benutzer bewusst oder unbewusst die Applikationsdüse verkippt, um einen besseren Blick auf die Applikationsdüse zu haben. Dies führt auch dazu, dass der Benutzer eine vergleichsweise unnatürliche Körperhaltung einnimmt, was zu einer höheren Ermüdung des Benutzers führt.However, known application nozzles of such application systems or application devices for such compositions as adhesives or sealants have the disadvantage that the tip of the application nozzle is covered by the application device during the application process. This leads to the user consciously or unconsciously tilting the application nozzle in order to have a better view of the application nozzle. This also results in the user adopting a comparatively unnatural posture, resulting in increased user fatigue.

Die Druckschrift US 5,249,876 beschreibt eine Düse für die Verteilung eines Füllmaterials in Eckbereichen. Die Düse umfasst eine abgeschrägte Öffnung innerhalb einer Spitze, die in einem 45° Winkel zu einer Außenfläche orientiert ist. Durch die Abschrägung soll die Bedienbarkeit, insbesondere in Eckbereichen verbessert werden. Die oben genannten Probleme bei der Benutzung der Düse werden jedoch nicht zufriedenstellend behoben. Die Druckschrift EP1632293A1 beschreibt eine Düse für die Abgabe einer fließfähigen Substanz, vorzugsweise eines flüssigen oder pastösen Klebstoffes und/oder Dichtstoffes, insbesondere für die Einglasung von Fensterscheiben für Kraftfahrzeuge, die eine Düsenspitze mit einer Mündung für den Austritt der Substanz aufweist, deren Öffnung wenigstens in einem Abschnitt eine Längserstreckung in Düsenrichtung aufweist, vorzugsweise mit einem im wesentlichen dreiecksförmigen oder V-förmigen Profil.The pamphlet U.S. 5,249,876 describes a nozzle for dispensing a filler material in corner areas. The nozzle includes a beveled opening within a tip oriented at a 45° angle to an outer surface. The bevel is intended to improve usability, particularly in corner areas. However, the above problems in using the nozzle are not solved satisfactorily. The pamphlet EP1632293A1 describes a nozzle for dispensing a free-flowing substance, preferably a liquid or pasty adhesive and/or sealant, in particular for glazing window panes for motor vehicles, which has a nozzle tip with an orifice for the exit of the substance, whose opening at least in one section has a Has longitudinal extension in the direction of the nozzle, preferably with a substantially triangular or V-shaped profile.

Es ist daher die Aufgabe der vorliegenden Erfindung, eine Applikationsdüse ein Applikationssystem, ein Applikationsgerät und ein Verfahren zur Applizierung einer gelförmigen und/oder pastösen Zusammensetzung in vorteilhafterweise weiterzubilden, insbesondere dahingehend, dass das Applizieren bzw. Aufbringen von gelförmigen und/oder pastösen Zusammensetzungen wie z.B. Klebstoffen oder Dichtstoffen auf einem Substrat vereinfacht, die Sichtbarkeit der Applikationsdüse während der Applizierung der Zusammensetzung und insgesamt die Handhabbarkeit und Ergonomie des Systems während des Applizierens der Zusammensetzung mittels des Applikationssystems bzw. des Applikationsgerätes verbessert wird.It is therefore the object of the present invention to advantageously develop an application nozzle, an application system, an application device and a method for applying a gel-like and/or paste-like composition, in particular to the effect that the application or application of gel-like and/or paste-like compositions such as e.g. Adhesives or sealants on a substrate are simplified, the visibility of the application nozzle is improved during the application of the composition and overall the manageability and ergonomics of the system during the application of the composition by means of the application system or the application device.

Darstellung der ErfindungPresentation of the invention

Diese Aufgabe wird erfindungsgemäß gelöst durch ein Applikationsdüse mit den Merkmalen des Anspruchs 1.This object is achieved according to the invention by an application nozzle having the features of claim 1.

Danach ist vorgesehen, dass eine Applikationsdüse bereitgestellt wird für ein Applikationssystem für gelförmige und/oder pastösen Zusammensetzungen, wobei die Applikationsdüse einen Eintrittsbereich und einen Austrittsbereich für die Zusammensetzung aufweist, wobei die Applikationsdüse eine Längsachse sowie eine in Längsrichtung der Applikationsdüse verlaufende Ebene, insbesondere eine Symmetrieebene, aufweist, in der die Längsachse liegt, wobei der Austrittsbereich der Applikationsdüse einen senkrecht zur Ebene, insbesondere zur Symmetrieebene, stehenden Aufsetzbereich für die Applikationsdüse auf einem Substrat sowie eine Austrittsöffnung für die Zusammensetzung umfasst, wobei der Aufsetzbereich und die Austrittsöffnung als zwei getrennte, gegeneinander abgeknickte Abschnitte strukturell gegeneinander abgegrenzt sind, wobei der Aufsetzbereich zumindest teilweise abgeschrägt ist, und wobei die Applikationsdüse ferner eine obere Scheitellinie und eine untere Scheitellinie aufweist, die in der genannten Ebene liegen, wobei die obere Scheitellinie in die Austrittsöffnung mündet und die untere Scheitellinie in den Aufsetzbereich mündet.Accordingly, it is provided that an application nozzle is provided for an application system for gel-like and/or pasty compositions, the application nozzle having an entry area and an exit area for the composition, the application nozzle having a longitudinal axis and a plane running in the longitudinal direction of the application nozzle, in particular a plane of symmetry , in which the longitudinal axis lies, wherein the outlet area of the application nozzle comprises a placement area for the application nozzle on a substrate, which is perpendicular to the plane, in particular to the plane of symmetry, and an outlet opening for the composition, the placement area and the outlet opening being two separate ones against one another kinked portions are structurally delimited from each other, wherein the contact area is at least partially beveled, and wherein the application nozzle further has an upper crest line and a lower crest line, the lie in said plane, with the upper crest line opening into the outlet opening and the lower crest line opening into the landing area.

Erfindungsgemäß ist ferner vorgesehen, dass die obere Scheitellinie und die Längsachse einen Winkel einschließen, der kleiner ist als der Winkel, der von der unteren Scheitellinie und der Längsachse eingeschlossen wird.According to the invention, it is further provided that the upper crest line and the longitudinal axis enclose an angle that is smaller than the angle enclosed by the lower crest line and the longitudinal axis.

Gelförmige und/oder pastöse Zusammensetzungen können insbesondere Klebstoffe oder Dichtstoffe aller Art sein. Denkbar im Zusammenhang mit Klebstoffen ist insbesondere, dass es sich dabei um fertige Klebstoffe oder beschleunigte Einkomponenten-Klebstoffe, denen ein Beschleuniger bzw. Booster zur schnelleren Aushärtung zugesetzt wird, oder um Zweikomponenten-Klebstoffe handeln. Als Dichtstoffe können beispielsweise Silikondichtstoffe oder dergleichen oder Dichtstoffe auf Silikonbasis genannt werden, die z.B. Anwendung im Bereich Abdichten von Fugen finden.In particular, gel-like and/or pasty compositions can be adhesives or sealants of all kinds. In connection with adhesives, it is particularly conceivable that they are ready-made adhesives or accelerated one-component adhesives to which an accelerator or booster is added for faster curing, or two-component adhesives. Silicone sealants or the like or silicone-based sealants, which are used, for example, in the area of sealing joints, can be mentioned as sealants.

Eine gelförmige Zusammensetzung hat dabei insbesondere eine gelartige Konsistenz, d.h. eine Konsistenz wie ein Gel. Ein Gel wird in der Regel als ein feindisperses System aus mindestens einer festen und einer flüssigen Phase definiert. Die feste Phase bildet dabei ein schwammartiges, dreidimensionales Netzwerk, dessen Poren durch eine Flüssigkeit (Lyogel) oder ein Gas (Xerogel) ausgefüllt sind; ist das Netzwerk hochporös und Luft das eingelagerte Gas, so wird das Gel auch als Aerogel bezeichnet. Beide Phasen durchdringen sich dabei vollständig (bikohärent).A gel-like composition has in particular a gel-like consistency, i.e. a consistency like a gel. A gel is generally defined as a finely dispersed system made up of at least one solid and one liquid phase. The solid phase forms a spongy, three-dimensional network whose pores are filled with a liquid (lyogel) or a gas (xerogel); if the network is highly porous and air is the stored gas, the gel is also referred to as aerogel. Both phases penetrate each other completely (bicoherent).

Eine pastöse Zusammensetzung hat dabei insbesondere eine pastöse Konsistenz, d.h. eine Konsistenz wie eine Paste (also ein Feststoff-Flüssigkeitsgemisch (Suspension) mit einem hohen Gehalt an Festkörpern) und hat insbesondere strukturviskose Eigenschaften, meist bevorzugt thixotrop.A pasty composition has in particular a pasty consistency, i.e. a consistency like a paste (i.e. a solid-liquid mixture (suspension) with a high content of solids) and in particular has pseudoplastic properties, mostly preferably thixotropic.

Der Aufsetzbereich ist insbesondere der Bereich der Applikationsdüse, der dafür vorgesehen ist, auf das Substrat, auf dem die gelförmige und/oder pastöse Zusammensetzung aufgetragen werden soll, aufgesetzt zu werden und während des Applizierens auch aufgesetzt wird.The placement area is in particular the area of the application nozzle that is intended to be placed on the substrate on which the gel-like and/or pasty composition is to be applied and is also placed during application.

Vorzugsweise ist die Austrittsöffnung an einer Fläche vorgesehen, die an die durch den Aufsetzbereich gebildete Ebene angrenzt.The outlet opening is preferably provided on a surface which adjoins the plane formed by the mounting area.

In einer konkreten Ausführungsform grenzt die Austrittsöffnung an den Aufsetzbereich an.In a specific embodiment, the outlet opening is adjacent to the placement area.

Der Austrittsbereich kann (mindestens) zwei Abschnitte umfassen, nämlich den Aufsetzbereich und die Austrittsöffnung. Dabei können Aufsetzbereich und Austrittsöffnung eine gemeinsame Öffnung ausbilden, wobei ein Rand des Aufsetzbereiches in einer ersten Ebene liegt und ein Rand der Austrittsöffnung in einer zweiten Ebene, wobei erste und zweite Ebene einen Winkel (von > 0°) gegeneinander aufweisen (vorzugsweise ≥ 45° oder ≥ 60° bzw. ≤ 135° oder ≤ 110°). Die Austrittsöffnung (bzw. ein die Austrittsöffnung umgebender Rand) kann also gegenüber dem Aufsetzbereich (bzw. einen den Aufsetzbereich umgebenden Rand) abgeknickt sein. Anders als im Stand der Technik ( US 5,249,876 ) ist also nicht nur eine Öffnung ausgebildet, die zugleich Aufsetzbereich und Austrittsöffnung darstellt, sondern es sind zwei getrennte, gegeneinander abgeknickte (abgeschrägte) Abschnitte vorgesehen, so dass Aufsetzbereich und Austrittsöffnung strukturell gegeneinander abgegrenzt sind (beispielsweise durch eine gedachte Knicklinie, die durch eine Schnittlinie der oben genannten ersten sowie zweiten Ebene definiert sein kann).The exit area can include (at least) two sections, namely the placement area and the exit opening. The mounting area and outlet opening can form a common opening, with an edge of the mounting area lying in a first plane and an edge of the outlet opening in a second plane, with the first and second planes being at an angle (> 0°) to one another (preferably ≥ 45°). or ≥ 60° or ≤ 135° or ≤ 110 degrees). The outlet opening (or an edge surrounding the outlet opening) can therefore be bent relative to the mounting area (or an edge surrounding the mounting area). Unlike the prior art ( U.S. 5,249,876 ) is not only one opening formed, which represents both the placement area and the outlet opening, but two separate sections that are kinked (beveled) relative to one another are provided, so that the placement area and outlet opening are structurally delimited from one another (e.g. by an imaginary buckling line, which is defined by a cutting line the above-mentioned first and second level can be defined).

Der Aufsetzbereich kann vieleckig, insbesondere viereckig ausgebildet sein. Die Austrittsöffnung kann ebenso vieleckig, insbesondere dreieckig ausgebildet sein. Gemeinsam können Aufsetzbereich und Austrittsöffnung ein (abknickendes) Fünfeck ausbilden, d.h. insbesondere eine Kombination aus einem viereckigen Aufsetzbereich und einer dreieckigen Austrittsöffnung. In diesem Zusammenhang kann eine Seite des viereckigen Aufsetzbereiches mit einer Seite der dreieckigen Austrittsöffnung eine gemeinsame Seite (Verbindungslinie) ausbilden. Alternativen sind denkbar (beispielsweise viereckiger Aufsetzbereich und viereckige Austrittsöffnung, die zusammen ein (abknickendes) Viereck ausbilden oder dreieckiger Aufsetzbereich und viereckige Austrittsöffnung, die zusammen ein (abknickendes) Fünfeck ausbilden). Aufsetzbereich und Austrittsöffnung können also ein gemeinsames Vieleck (insbesondere Fünfeck) in einer Projektion auf die Ebene des Aufsetzbereiches realisieren.The placement area can be polygonal, in particular square. The outlet opening can also be polygonal, in particular triangular. Together, the attachment area and the outlet opening can form a (bent) pentagon, i.e. in particular a combination of a square attachment area and a triangular outlet opening. In this connection, one side of the quadrangular seating area can form a common side (connecting line) with one side of the triangular outlet opening. Alternatives are conceivable (for example, a square contact area and a square outlet opening, which together form a (kinked) square, or a triangular contact area and square outlet opening, which together form a (kinked) pentagon). The mounting area and the outlet opening can therefore realize a common polygon (in particular a pentagon) in a projection onto the plane of the mounting area.

Die Abschrägung des Aufsetzbereiches bewirkt insbesondere, dass das Applikationsgerät mit dem in das Applikationsgerät eingesetzten Applikationssystem derart verkippt ist, wenn der Aufsetzbereich der Applikationsdüse auf das Substrat aufgesetzt ist, dass die Applikationsdüse während des Applizieren sichtbar ist.The bevel of the contact area has the effect, in particular, that the application device with the application system inserted in the application device is tilted when the contact area of the application nozzle is placed on the substrate such that the application nozzle is visible during application.

Dadurch ergibt sich insbesondere der Vorteil, dass die Applikation einer Zusammensetzung vereinfacht, die Sichtbarkeit der Applikationsdüse während der Applizierung der Zusammensetzung und insgesamt die Handhabbarkeit und Ergonomie des Benutzer während des Applizierens der Zusammensetzung mittels des Applikationssystems bzw. des Applikationsgerätes verbessert wird.This results in particular in the advantage that the application of a composition is simplified, the visibility of the application nozzle during the application of the composition and the overall manageability and the ergonomics of the user is improved during the application of the composition by means of the application system or the application device.

Durch die teilweise Abschrägung ergibt sich der Vorteil, dass der Benutzer des Applikationssystems während der Applizierung der Zusammensetzung wie z.B. eines Klebstoffes oder eines Dichtstoffes, im Wesentlichen von sich aus bzw. "automatisch" die Applikationsdüse mit ihrem Aufsetzbereich korrekt auf dem Substrat aufsetzt und hierdurch eine möglichst gleichmäßige Applizierung der Zusammensetzung wie z.B. eines Klebstoffes oder eines Dichtstoffes ermöglicht.The partial bevel results in the advantage that the user of the application system during the application of the composition, such as an adhesive or a sealant, essentially by himself or "automatically" places the application nozzle with its contact area correctly on the substrate and thereby enables the composition, such as an adhesive or sealant, to be applied as evenly as possible.

Der Aufsetzbereich der Applikationsdüse ist beispielsweise die Spitze der Applikationsdüse und insbesondere der Bereich, mit dem die Applikationsdüse auf ein Substrat aufgesetzt wird und durch den während der Applizierung die Zusammensetzung auch hindurchtritt.The contact area of the application nozzle is, for example, the tip of the application nozzle and in particular the area with which the application nozzle is placed on a substrate and through which the composition also passes during application.

Durch die teilweise Abschrägung des Aufsetzbereiches der Applikationsdüse ergibt sich ferner der weitere Vorteil, dass der Aufsetzbereich der Applikationsdüse während der Applizierung sichtbar bleibt und der Benutzer daher nicht dazu neigt, die Applikationsdüse bzw. das Applikationssystem zu verkippen. Eine derartige Vermeidung des Verkippens trägt dazu bei, dass der Aufsetzbereich der Applikationsdüse korrekt in Bezug auf das Substrat ausgerichtet bleibt und deshalb eine sehr gleichmäßige Applizierung möglich ist.The partial beveling of the application nozzle's contact area also results in the further advantage that the application nozzle's contact area remains visible during application and the user therefore does not tend to tilt the application nozzle or the application system. Such an avoidance of tilting contributes to the fact that the contact area of the application nozzle remains correctly aligned in relation to the substrate and therefore a very uniform application is possible.

Durch die teilweise Abschrägung des Aufsetzbereiches der Applikationsdüse ergibt darüber hinaus noch der Vorteil, dass der Benutzer eine natürlichere Körperhaltung einnehmen kann, da er im Wesentlichen von sich aus bzw. "automatisch" der Aufsetzbereich in Bezug auf das Substrat korrekt ausgerichtet wird. Auch die Sichtbarkeit des Aufsetzbereiches der Applikationsdüse während des Applizierens dient dazu, dass der Benutzer nicht den Kopf z.B. für Kontrollblicke bewegen muss, sondern insgesamt eine vergleichsweise entspannte Körperhaltung einnehmen kann. Auch im Vergleich zu z.B. nicht abgeschrägten Düsen ist es nun nicht in dem Umfang erforderlich, den Rücken während der Applizierung stark zu krümmen, um z.B. eine korrekte Ausrichtung der Applikationsdüse zu gewährleisten. Der Benutzer ermüdet daher weniger schnell, was ebenfalls eine gleichmäßigere Applizierung erleichtert. Insgesamt können so die Handhabbarkeit und Ergonomie des Systems während des Applizierens der Zusammensetzung mittels des Applikationssystems bzw. des Applikationsgerätes verbessert werden.The partial beveling of the contact area of the application nozzle results in the additional advantage that the user can assume a more natural posture, since the contact area is correctly aligned essentially by himself or “automatically” in relation to the substrate. The visibility of the contact area of the application nozzle during application also serves to ensure that the user does not have to move his head, for example to check, but can adopt a comparatively relaxed posture overall. Also in comparison to e.g. not bevelled Nozzles, it is now not necessary to the extent to bend the back sharply during application, for example to ensure correct alignment of the application nozzle. The user therefore tires less quickly, which also facilitates more even application. Overall, the handling and ergonomics of the system can be improved during the application of the composition by means of the application system or the application device.

Des Weiteren ist es möglich, dass der Aufsetzbereich in Bezug auf die genannte Längsachse abgeschrägt ist. Insbesondere ist denkbar, dass der Aufsetzbereich in Bezug auf die Längsachse im Längsquerschnitt der Applikationsdüse abgeschrägt ist, insbesondere so dass die durch die Abschrägung definierte Ebene senkrecht auf der Ebene des Längsquerschnittes, die auch zugleich die in Längsrichtung der Applikationsdüse verlaufende Symmetrieebene sein kann bzw. ist, steht.Furthermore, it is possible for the mounting area to be beveled in relation to the longitudinal axis mentioned. In particular, it is conceivable that the contact area is beveled in relation to the longitudinal axis in the longitudinal cross section of the application nozzle, in particular so that the plane defined by the bevel is perpendicular to the plane of the longitudinal cross section, which can also be or is the plane of symmetry running in the longitudinal direction of the application nozzle , stands.

Bevorzugt weist der Aufsetzbereich der Applikationsdüse einen mehreckigen Querschnitt auf, insbesondere einen drei-, vier- oder fünfeckigen Querschnitt auf. Gegenüber einem runden Querschnitt des Aufsetzbereichs erhöht dadurch sich die Stabilität der Applikationsdüse bzw. des gesamten Applikationsgeräts, wenn es auf dem Substrat aufgesetzt ist.The contact area of the application nozzle preferably has a polygonal cross section, in particular a triangular, quadrangular or pentagonal cross section. Compared to a round cross-section of the placement area, this increases the stability of the application nozzle or of the entire application device when it is placed on the substrate.

Meist bevorzugt sind die Ecken im Querschnitt des Aufsetzbereichs, insbesondere an der Innenseite der Applikationsdüse, abgerundet.Most preferably, the corners in the cross section of the placement area, especially on the inside of the application nozzle, are rounded.

Die Abrundungen in den Eckbereichen oder Randbereich führt zu einer Verringerung des Materialverlustes, wenn die Applikationsdüse getauscht werden muss. Denn die Abrundungen verringern das Volumen des Raumes im Inneren der Applikationsdüse, der durch die Zusammensetzung durchströmt wird.The rounded corners or edges reduce material loss when the application nozzle has to be replaced. This is because the roundings reduce the volume of the space inside the application nozzle through which the composition flows.

Die Austrittsöffnung für die Zusammensetzung befindet sich bevorzugt an einer, an die durch den Aufsetzbereich gebildete Ebene angrenzenden Fläche der Applikationsdüse. Im Gebrauch der Applikationsdüse, bspw. an einem handbetriebenen Applikationsgerät zum Auftragen von Klebstoffraupen, befindet sich die Austrittsöffnung in Bewegungsrichtung des Applikationsgeräts bevorzugt ganz hinten an der Applikationsdüse.The outlet opening for the composition is preferably located on a surface adjoining the plane formed by the placement area the application nozzle. When the application nozzle is used, for example on a hand-operated application device for applying beads of adhesive, the outlet opening is preferably at the very rear of the application nozzle in the direction of movement of the application device.

Ferner ist denkbar, dass die Austrittsöffnung für die Zusammensetzung mehreckig, insbesondere dreieckig, ist. Die Geometrie der Austrittsöffnung bestimmt auch maßgeblich die Form der durch die Applikationsdüse applizierten Zusammensetzung, der sogenannten Raupe.It is also conceivable that the outlet opening for the composition is polygonal, in particular triangular. The geometry of the outlet opening also largely determines the shape of the composition applied through the application nozzle, the so-called bead.

Grundsätzlich ist aber auch denkbar, jegliche andere geeignete Geometrie zu verwenden.In principle, however, it is also conceivable to use any other suitable geometry.

Es ist möglich, dass die Austrittsöffnung für die Zusammensetzung in zumindest einem Eckbereich und/oder Randbereich zumindest teilweise abgerundet ist.It is possible for the outlet opening for the composition to be at least partially rounded off in at least one corner area and/or edge area.

Darüber hinaus kann vorgesehen sein, dass die Abschrägung des Aufsetzbereiches mit einem Winkelbereich zwischen (ca.) 50° bis (ca.) 85°, insbesondere 60° bis (ca.) 75°, vorzugsweise 65° bis 70°, erfolgt (bezogen auf die Längsachse der Applikationsdüse).In addition, it can be provided that the beveling of the contact area takes place with an angular range between (approx.) 50° to (approx.) 85°, in particular 60° to (approx.) 75°, preferably 65° to 70° (based on on the longitudinal axis of the application nozzle).

Beispielsweise kann die Abschrägung des Aufsetzbereiches bezogen auf die Längsachse der Applikationsdüse (ca.) 68° betragen.For example, the bevel of the contact area can be (approx.) 68° in relation to the longitudinal axis of the application nozzle.

Die Austrittsöffnung kann (im Wesentlichen) parallel zu der Längsachse der Applikationsdüse ausgerichtet sein, vorzugsweise einen Winkel von mindestens 1°, weiter vorzugsweise mindestens 10° und/oder vorzugsweise höchstens 25°, weiter vorzugsweise höchstens 30°, gegenüber der Längsachse der Applikationsdüse aufweisen. Ein Winkel zwischen einer durch den Aufsetzbereich definierten Ebene und einer durch die Austrittsöffnung definierten Ebene kann eine Summe der obigen Werte bezüglich des Aufsetzbereiches und der Austrittsöffnung darstellen (dabei sei betont, dass jegliche Kombination von unteren und oberen Grenzwerten möglich sein kann).The outlet opening can be aligned (essentially) parallel to the longitudinal axis of the application nozzle, preferably at an angle of at least 1°, more preferably at least 10° and/or preferably at most 25°, more preferably at most 30°, relative to the longitudinal axis of the application nozzle. An angle between a plane defined by the landing area and a plane defined by the exit port may represent a sum of the above values relating to the landing area and the exit port (it is emphasized that any combination of lower and upper limits may be possible).

Ein Rand des Aufsetzbereiches bildet vorzugsweise ein U. Ein Rand der Austrittsöffnung bildet vorzugsweise ein V.An edge of the attachment area preferably forms a U. An edge of the outlet opening preferably forms a V.

Ferner ist es möglich, dass die Applikationsdüse zumindest eine Kante und/oder Rippe aufweist, wobei insbesondere die Kante und/oder Rippe derart beschaffen und ausgebildet ist, dass die Applikationsdüse eine im Vergleich zu einer Applikationsdüse mit im Wesentlichen runden Querschnitt eine erhöhte Biegesteifigkeit und/oder Verwindungssteifigkeit aufweist. Dadurch ergibt sich insbesondere der Vorteil, dass die Stabilität der Düse insgesamt erhöht werden kann. Dies wiederum ist vorteilhaft im Hinblick auf die Applikation des durch die Düse zu verteilenden bzw. aufzutragenden Zusammensetzung wie z.B. eines Klebstoffes, der durch die Düse auf ein Substrat aufgebracht wird.It is also possible for the application nozzle to have at least one edge and/or rib, with the edge and/or rib in particular being designed and constructed in such a way that the application nozzle has increased flexural rigidity and/or increased compared to an application nozzle with an essentially round cross section. or torsional rigidity. This results in particular in the advantage that the stability of the nozzle can be increased overall. This in turn is advantageous with regard to the application of the composition to be distributed or applied through the nozzle, such as an adhesive, which is applied through the nozzle onto a substrate.

Die Rippen können als Verstärkungsrippen ausgeführt sein und dann eingesetzt werden, wenn eine besondere und zusätzliche Verstärkung und Versteifung als erforderlich und wünschenswert angesehen wird.The ribs can be embodied as reinforcing ribs and are used where extra and additional reinforcement and stiffening is deemed necessary and desirable.

Des Weiteren ist denkbar, dass die Applikationsdüse einen bezogen auf den Querschnitt (im Wesentlichen) mehreckigen Querschnitt aufweist.Furthermore, it is conceivable that the application nozzle has a (substantially) polygonal cross-section in relation to the cross-section.

Durch die Verwendung eines (im Wesentlichen) mehreckigen Querschnittes ergibt sich insbesondere der Vorteil, dass die Applikationsdüse eine im Vergleich zu einer Applikationsdüse mit im Wesentlichen runden Querschnitt eine erhöhte Biegesteifigkeit und/oder Verwindungssteifigkeit aufweist. Auch hierdurch ergibt sich insbesondere der Vorteil, dass die Stabilität der Düse insgesamt erhöht werden kann. Dies wiederum ist vorteilhaft im Hinblick auf die Applikation des durch die Düse zu verteilenden bzw. aufzutragenden Zusammensetzung wie z.B. eines Klebstoffes, der durch die Düse auf ein Substrat aufgebracht wird. Auch ein Abknicken der Düse während des Aufsetzens der Düse auf das Substrat wird hierdurch vorteilhafterweise vermieden bzw. kann hierdurch verhindert werden. Ein (im Wesentlichen) mehreckiger Querschnitt weist vorzugsweise 3 bis 7 Ecken, besonders bevorzugt 3 bis 6 Ecken, beispielsweise 4 Ecken auf.The use of an (essentially) polygonal cross section results in the particular advantage that the application nozzle has increased flexural rigidity and/or torsional rigidity compared to an application nozzle with an essentially round cross section. This also results in the particular advantage that the overall stability of the nozzle can be increased. This in turn is advantageous with regard to the application of the composition to be distributed or applied through the nozzle, such as an adhesive, which is applied to a substrate through the nozzle. A buckling of the nozzle while the nozzle is being placed on the substrate is thereby advantageously avoided or can be prevented as a result. An (essentially) polygonal cross-section preferably has 3 to 7 corners, particularly preferably 3 to 6 corners, for example 4 corners.

Außerdem kann vorgesehen sein, dass die Applikationsdüse einen Querschnitt oder eine Formgebung aufweist, der zumindest einen konkaven Abschnitt aufweist, wobei die Applikationsdüse insbesondere zumindest eine abgeflachte Seitenfläche aufweist, wobei die Applikationsdüse vorzugsweise zwei abgeflachte Seitenflächen aufweist.It can also be provided that the application nozzle has a cross section or a shape that has at least one concave section, the application nozzle having in particular at least one flattened side surface, the application nozzle preferably having two flattened side surfaces.

Die abgeflachten Seitenflächen sind insbesondere derart beschaffen und ausgebildet, dass sie bezogen auf den Querschnitt der Applikationsdüse nach innen in Richtung der Längsachse der Applikationsdüse versetzt sind bzw. zu einer teilweise konkaven Formgebung des Querschnitts der Applikationsdüse führen. Eine derartige Formgebung weist den Vorteil auf, dass das Volumen im Inneren der Applikationsdüse, die von der Zusammensetzung, insbesondere dem Klebstoff, durchströmt bzw. durchflossen wird, im Vergleich zu einer Düse mit im Wesentlichen runden Querschnitt verringert wird. Hierdurch ergibt sich der Vorteil, dass nach Beendigung der Applizierung der Zusammensetzung auf ein Substrat das in der Düse verbleibende Volumen der Zusammensetzung verglichen mit einer Düse mit im Wesentlichen runden Querschnitt geringer ist. Dies ermöglicht eine verbesserte Ausnutzung der Zusammensetzung, weil der von der Zusammensetzung durchströmte Innenraum der Applikationsdüse ein Totvolumen darstellt, dass im Wesentlichen nicht bzw. nur erschwert genutzt werden kann. Folglich kommt es zu weniger Materialverlust in der Applikationsdüse verglichen mit Düsen, die andere Querschnitte aufweisen.The flattened side faces are in particular designed and constructed in such a way that they are offset inwards relative to the cross section of the application nozzle in the direction of the longitudinal axis of the application nozzle or lead to a partially concave shape of the cross section of the application nozzle. Such a shape has the advantage that the volume inside the application nozzle through which the composition, in particular the adhesive, flows or flows is reduced in comparison to a nozzle with a substantially round cross section. This results in the advantage that, after the application of the composition to a substrate has ended, the volume of the composition remaining in the nozzle is lower compared to a nozzle with a substantially round cross-section. This enables improved utilization of the composition, because the interior of the application nozzle through which the composition flows represents a dead volume that essentially cannot be used or can only be used with difficulty. Consequently, there is less material loss in the application nozzle compared to nozzles that have other cross sections.

Des Weiteren betrifft die vorliegende Erfindung ein Applikationssystem mit den Merkmalen des Anspruchs 10. Danach ist vorgesehen, dass das Applikationssystem mit wenigstens einer Applikationsdüse nach einem der Ansprüche 1 bis 9 versehen ist.Furthermore, the present invention relates to an application system with the features of claim 10. Accordingly, it is provided that the application system is provided with at least one application nozzle according to one of claims 1 to 9.

Ein Applikationssystem kann beispielsweise derart ausgebildet sein, dass es sich um ein Applikationssystem für Zweikomponentenstoffe oder Einkomponenten-Klebstoffe mit zusätzlichem Beschleuniger bzw. Booster handelt.An application system can, for example, be designed in such a way that it is an application system for two-component substances or one-component adhesives with an additional accelerator or booster.

Bei Zweikomponentenstoffe kann z.B. vorgesehen sein, dass eine in einer ersten Verpackungseinheit aufgenommene feucht-reaktive Zusammensetzung, eine in einer zweiten Verpackungseinheit aufgenommene Härter-Komponente und einen zum Einsetzen in ein Applikationsgerät und zum Antrieb durch dieses ausgebildeten dynamischen Mischer umfasst, wobei die erste Verpackungseinheit ein Schlauchbeutel und die zweite Verpackungseinheit eine Kartusche mit starrer Wandung ist.In the case of two-component substances, it can be provided, for example, that a wet-reactive composition contained in a first packaging unit, a hardener component contained in a second packaging unit and a dynamic mixer designed for use in an application device and for being driven by this, the first packaging unit comprising a Tubular bag and the second packaging unit is a cartridge with a rigid wall.

Die Applikationsdüse kann im Wesentlichen hohl ausgeführt sein, wenn es sich um Einkomponenten-Klebstoffe handelt.The application nozzle can be essentially hollow if one-component adhesives are involved.

Denkbar ist auch, dass ein statischer Mischer mit der Applikationsdüse in Verbindung steht oder in diese integriert ist. Ein derartiger statischer Mischer kann statische Mischelemente ausgebildet sein, wie z.B. rotorartige oder schaufelartige Umlenkelemente, die eine Vermischung der Komponenten der Zusammensetzung bewirken.It is also conceivable that a static mixer is connected to the application nozzle or is integrated into it. Such a static mixer may have static mixing elements, such as rotor-like or blade-like baffles, which cause mixing of the components of the composition.

Denkbar ist weiter, dass ein dynamischer Mischer mit der Applikationsdüse in Verbindung steht oder in diese integriert ist. Der dynamische Mischer kann mindestens ein Anstichelement zum Öffnen der ersten und/oder zweiten Verpackungseinheit, zwei Vormischkammern und einen zum Bewirken eines Vorschubs in Verbindung mit dem Mischvorgang ausgebildeten Rotor mit Rotorblättern aufweisen. Derartige dynamische Mischer sind beispielsweise in der WO 2012/116883 A1 und der WO 2012/116863 A1 beschrieben.It is also conceivable that a dynamic mixer is connected to the application nozzle or is integrated into it. The dynamic mixer can have at least one piercing element for opening the first and/or second packaging unit, two pre-mixing chambers and a rotor with rotor blades designed to bring about a forward movement in connection with the mixing process. Such dynamic mixers are for example in WO 2012/116883 A1 and the WO 2012/116863 A1 described.

Denkbar ist, dass die erste und zweite Verpackungseinheit fest miteinander verbunden sind. Mehrere Mischer können in einer von der Kombination aus erster und zweiter Verpackungseinheit getrennten Verpackung aufgenommen sein. Das Applikationssystem kann Bestandteil eines Applikationsgerätes, beispielsweise einer Applikationspistole sein, die batteriebetrieben, akkubetrieben und/oder druckluftbetrieben und/oder mit einem Stromanschluss versehen ist.It is conceivable that the first and second packaging unit are firmly connected to one another. Multiple mixers may be housed in a separate package from the combination of the first and second packaging units. The application system can be part of an application device, for example an application gun, which is battery operated, rechargeable battery operated and/or compressed air operated and/or provided with a power connection.

Ferner betrifft die vorliegende Erfindung ein Applikationsgerät mit den Merkmalen des Anspruchs 11. Danach ist vorgesehen, dass ein Applikationsgerät, insbesondere ein akkubetriebenes Applikationsgerät mit wenigstens einer Applikationsdüse nach einem der Ansprüche 1 bis 9 und/oder wenigstens einem Applikationssystem nach Anspruch 10 versehen ist.Furthermore, the present invention relates to an application device with the features of claim 11. Accordingly, it is provided that an application device, in particular a battery-powered application device, is provided with at least one application nozzle according to one of claims 1 to 9 and/or at least one application system according to claim 10.

Außerdem betrifft die vorliegende Erfindung ein Verfahren zur Applizierung von gelförmigen und/oder pastösen Zusammensetzungen mit den Merkmalen des Anspruchs 12. Danach ist vorgesehen, dass bei einem Verfahren zur Applizierung von gelförmigen und/oder pastösen Zusammensetzungen eine Applikationsdüse nach einem der Ansprüche 1 bis 9 und/oder ein Applikationssystems nach Anspruch 10 und/oder mittels eines Applikationsgerätes nach Anspruch 11 verwendet wird.In addition, the present invention relates to a method for applying gel-like and / or pasty compositions with the features of claim 12. Accordingly, it is provided that in a method for applying gel-like and / or pasty compositions, an application nozzle according to one of claims 1 to 9 and /or an application system according to claim 10 and/or by means of an application device according to claim 11 is used.

Kurze Beschreibung der ZeichnungenBrief description of the drawings

Im Folgenden werden anhand der Zeichnungen Ausführungsbeispiele der Erfindung näher erläutert.Exemplary embodiments of the invention are explained in more detail below with reference to the drawings.

Es zeigen:

Fig. 1
eine Seitenansicht eines Ausführungsbeispiels einer erfindungsgemäßen Applikationsdüse;
Fig. 2
eine Ansicht des in Figur 1 gezeigten Ausführungsbeispiels der Applikationsdüse von oben;
Fig. 3
eine Ansicht des in Figur 1 gezeigten Ausführungsbeispiels der Applikationsdüse von unten;
Fig. 4
eine Seitenansicht eines Ausführungsbeispiels eines Applikationsgerätes mit der in Figur 1 und 2 gezeigten Applikationsdüse; und
Fig. 5
eine Frontansicht des Ausführungsbeispiels eines Applikationsgerätes gemäß Fig. 4.
Show it:
1
a side view of an embodiment of an application nozzle according to the invention;
2
a view of the in figure 1 shown embodiment of the application nozzle from above;
3
a view of the in figure 1 shown embodiment of the application nozzle from below;
4
a side view of an embodiment of an application device with the in Figure 1 and 2 shown application nozzle; and
figure 5
a front view of the embodiment of an application device according to 4 .

Es sind nur die für das unmittelbare Verständnis der Erfindung wesentlichen Elemente gezeigt.Only the elements essential for a direct understanding of the invention are shown.

Weg zur Ausführung der Erfindungway of carrying out the invention

Figur 1 zeigt eine Seitenansicht eines Ausführungsbeispiels einer erfindungsgemäßen Applikationsdüse 10 und Figur 2 eine Ansicht des in Figur 1 gezeigten Ausführungsbeispiels der Applikationsdüse von oben. Figur 3 zeigt eine Ansicht des Ausführungsbeispiels gemäß Figur 1 in einer Ansicht von unten. figure 1 shows a side view of an embodiment of an application nozzle 10 according to the invention and figure 2 a view of the in figure 1 shown embodiment of the application nozzle from above. figure 3 shows a view of the embodiment according to FIG figure 1 in a bottom view.

Die Applikationsdüse 10 ist eine Applikationsdüse 10 für ein z.B. in Figur 4 oder 5 gezeigtes Applikationssystem 100 eines Applikationsgerätes 200 zur Applizierung einer gelförmigen und/oder pastösen Zusammensetzung, wobei die Zusammensetzung beispielsweise ein Klebstoff ist. Grundsätzlich ist denkbar, dass mit einer derartigen Düse auch ein Dichtstoff appliziert werden kann.The application nozzle 10 is an application nozzle 10 for an e.g Figure 4 or 5 shown application system 100 of an application device 200 for applying a gel-like and / or pasty composition, wherein the composition is, for example, an adhesive. In principle, it is conceivable that a sealant can also be applied with such a nozzle.

Die Applikationsdüse 10 weist einen Eintrittsbereich 12 und einen Austrittsbereich 14 für die Zusammensetzung auf, wobei die Applikationsdüse 10 eine in Längsrichtung der Applikationsdüse 10 verlaufende Symmetrieebene E aufweist, in der auch die Längsachse X der Applikationsdüse 10 liegt.The application nozzle 10 has an entry area 12 and an exit area 14 for the composition, the application nozzle 10 having a plane of symmetry E running in the longitudinal direction of the application nozzle 10 and in which the longitudinal axis X of the application nozzle 10 also lies.

Der Austrittsbereich 14 der Applikationsdüse 10 umfasst einen (im Wesentlichen) senkrecht zur Symmetrieebene E stehenden Aufsetzbereich 20 für die Applikationsdüse 10 auf einem Substrat.The exit area 14 of the application nozzle 10 includes a (substantially) perpendicular to the plane of symmetry E placement area 20 for the application nozzle 10 on a substrate.

Die Zusammensetzung, hier insbesondere der Klebstoff wird mittels des in das Applikationsgerät 200 eingesetzten Applikationssystems 100 durch ein Eintrittsbereich 12 der Applikationsdüse 10 hindurchgedrückt und verlässt die Düse im Austrittsbereich 14.The composition, here in particular the adhesive, is pressed through an inlet area 12 of the application nozzle 10 by means of the application system 100 inserted into the application device 200 and leaves the nozzle in the outlet area 14.

Wenn die Applikationsdüse 10 mit dem Aufsetzbereich 20 auf dem Substrat aufgesetzt ist, kann die Zusammensetzung wie z.B. der Klebstoff die Düse (nur) durch die Austrittsöffnung 16 verlassen. Dies führt dazu, dass eine sogenannte (Klebstoff-)Raupe entsteht, deren Geometrie durch die Geometrie der Austrittsöffnung 16 definiert wird. Im gezeigten Ausführungsbeispiel hat die Austrittsöffnung 16 eine (im Wesentlichen) dreieckige Form. Es hat sich gezeigt, dass die vorliegende Erfindung vor allem bei der Applikation von Dreiecksraupen grosse Vorteile mit sich bringt.When the application nozzle 10 is placed with the contact area 20 on the substrate, the composition, such as the adhesive, for example, can leave the nozzle (only) through the outlet opening 16 . This leads to a so-called (adhesive) bead being formed, the geometry of which is defined by the geometry of the outlet opening 16 . In the exemplary embodiment shown, the outlet opening 16 has an (essentially) triangular shape. It has been shown that the present invention has great advantages, especially when applying triangular beads.

Die gezeigte Applikationsdüse 10 ist folglich eine Dreiecksdüse, mittels derer eine dreieckige Raupe appliziert werden kann. Dies hat z.B. den Vorteil, dass die Höhe der Raupe bei gleicher Klebstoffmenge im Vergleich zu einer Rundraupe höher sein kann und dies höhere Spaltmaße zulässt.The application nozzle 10 shown is consequently a triangular nozzle, by means of which a triangular bead can be applied. This has the advantage, for example, that the height of the bead can be higher than that of a round bead with the same amount of adhesive, and this allows for larger gaps.

Ein Verkippen der Applikationsdüse kann dazu führen, dass die Zusammensetzung nicht nur durch die Austrittsöffnung 16 austritt, sondern auch neben der Austrittsöffnung 16 im Bereich der Kanten des Aufsetzbereiches 20. Dies führt z.B. zu dem unerwünschten Effekt, dass die erzeugte Raupe eine verbreiterte Basis erhält. Ferner wird auch insgesamt durch ein derartiges Verkippen die Austrittsöffnung 16 insgesamt de facto vergrößert, so dass die Raupe auch höher wird und ihre Geometrie verändert.Tilting the application nozzle can lead to the composition not only exiting through the outlet opening 16, but also next to the outlet opening 16 in the area of the edges of the contact area 20. This leads, for example, to the undesirable effect that the bead produced has a broadened base. Furthermore, the outlet opening 16 is de facto enlarged overall by such a tilting, so that the caterpillar also becomes higher and changes its geometry.

Die vorbeschriebene Veränderung der Raupengeometrie findet in ähnlichem Umfang und in ähnlicher Art auch bei anderen Raupengeometrien statt.The change in bead geometry described above also takes place to a similar extent and in a similar way with other bead geometries.

Gerade im Zusammenhang mit der Verklebung von Scheiben wie z.B. dem Verkleben von Austauschscheiben in Kraftfahrzeugen ist es erforderlich, eine möglichst gleichmäßige Raupengeometrie zu erreichen. Folglich ist es wünschenswert, ein ungewolltes Verkippen der Applikationsdüse 10 zu vermeiden, wie dies durch das erfindungsmäße Ausführungsbeispiel erreicht wird.Especially in connection with the bonding of windows, such as the bonding of replacement windows in motor vehicles, it is necessary to achieve a bead geometry that is as uniform as possible. Consequently, it is desirable to prevent the application nozzle 10 from tilting unintentionally, as is achieved by the exemplary embodiment according to the invention.

Der Aufsetzbereich 20 zum Aufsetzen auf ein Substrat zur Applizierung des Klebstoffs ist zumindest teilweise abgeschrägt durch die Abschrägung 30.The placement area 20 for placement on a substrate for applying the adhesive is at least partially beveled by the bevel 30.

Der Aufsetzbereich 20 (bzw. eine durch eine Abschrägung definierte Ebene) ist in Bezug auf die Längsachse X im Längsquerschnitt der Applikationsdüse 10 abgeschrägt, insbesondere so dass die durch die Abschrägung definierte Ebene senkrecht auf der Ebene E des Längsquerschnittes steht.The contact area 20 (or a plane defined by a bevel) is beveled in relation to the longitudinal axis X in the longitudinal cross section of the application nozzle 10, in particular so that the plane defined by the bevel is perpendicular to the plane E of the longitudinal cross section.

Die Abschrägung 30 des Aufsetzbereiches 20 weist einen Winkel α auf, der in einem Winkelbereich zwischen ca. 50° bis ca. 85°, insbesondere 60° bis ca. 75°, vorzugsweise 65° bis 70°, gewählt ist. Im gezeigten Beispiel ist der Winkel α ca. 68° groß, da dieser Winkel sich als besonders vorteilhaft erwiesen hat, um die erfindungsgemäßen Wirkungen in hervorragender Weise zu erreichen.The bevel 30 of the contact area 20 has an angle α, which is selected in an angle range between about 50° to about 85°, in particular 60° to about 75°, preferably 65° to 70°. In the example shown, the angle α is approximately 68°, since this angle has proven to be particularly advantageous in order to achieve the effects according to the invention in an outstanding manner.

Wie dies weiter aus der Figur 1 ersichtlich ist, schließen eine obere Scheitellinie K1 und die Längsachse X einen Winkel ein, der kleiner ist, als der Winkel, der von einer unteren Scheitellinie K2 und der Längsachse X eingeschlossen wird. Auch dies trägt dazu bei, dass die Steifigkeit der Applikationsdüse 10 erhöht, aber zugleich auch das Totvolumen (im Zuge eines Austausches der Applikationsdüse 10) verringert wird.How this continues from the figure 1 As can be seen, an upper crest line K1 and the longitudinal axis X enclose an angle which is smaller than the angle enclosed by a lower crest line K2 and the longitudinal axis X. This also contributes to the fact that the rigidity of the application nozzle 10 is increased, but at the same time the dead volume (in the course of an exchange of the application nozzle 10) is reduced.

Weiterhin verbessert diese Anordnung zusätzlich die Sichtbarkeit des Anwenders auf die Austrittsöffnung.Furthermore, this arrangement additionally improves the user's visibility of the exit opening.

Die Applikationsdüse 10 weist auf beiden Seiten (mindestens) eine (ggf. abgeflachte) Kante 40 auf, wobei insbesondere die Kante 40 derart beschaffen und ausgebildet ist, dass die Applikationsdüse eine im Vergleich zu einer Applikationsdüse mit im Wesentlichen runden Querschnitt eine erhöhte Biegesteifigkeit und/oder Verwindungssteifigkeit aufweist.The application nozzle 10 has (at least) one (possibly flattened) edge 40 on both sides, with the edge 40 in particular being designed and constructed in such a way that the application nozzle has increased flexural rigidity and/or increased compared to an application nozzle with an essentially round cross section. or torsional rigidity.

Dadurch ergibt sich auch, dass die Applikationsdüse 10 einen bezogen auf ihren Querschnitt im Wesentlichen mehreckigen bzw. mehreckigen Querschnitt aufweist.This also results in the application nozzle 10 having a substantially polygonal or polygonal cross-section in relation to its cross-section.

Ferner weist die Applikationsdüse 10 einen Querschnitt auf, der zumindest einen konkaven Abschnitt im Bereich der abgeflachten Seitenfläche 50 aufweist. Die abgeflachten Seitenflächen 50 sind dabei derart beschaffen und ausgebildet, dass sie bezogen auf die Draufsicht (siehe insbesondere Figur 2) der Applikationsdüse 10 nach innen in Richtung der Längsachse X der Applikationsdüse 10 versetzt sind bzw. zu einer teilweise konkaven Formgebung des Querschnitts der Applikationsdüse 10 führen. Dadurch wird erreicht, dass das Volumen im Inneren der Applikationsdüse 10, die ja von der Zusammensetzung durchströmt bzw. durchflossen wird, im Vergleich zu einer Düse mit im Wesentlichen runden Querschnitt verringert wird.Furthermore, the application nozzle 10 has a cross section which has at least one concave section in the area of the flattened side surface 50 . The flattened side surfaces 50 are designed and designed in such a way that, in relation to the top view (see in particular figure 2 ) of the application nozzle 10 are offset inwards in the direction of the longitudinal axis X of the application nozzle 10 or lead to a partially concave shape of the cross section of the application nozzle 10. As a result, the volume in the interior of the application nozzle 10, through which the composition flows or flows, is reduced in comparison to a nozzle with a substantially round cross section.

Nach Beendigung der Applizierung der Zusammensetzung auf ein Substrat ist das in der Applikationsdüse 10 verbleibende Volumen der Zusammensetzung verglichen mit einer Düse mit im Wesentlichen rundem Querschnitt geringer. Dies ermöglicht eine verbesserte Ausnutzung der Zusammensetzung, weil der von der Zusammensetzung durchströmte Innenraum der Applikationsdüse 10 ein Totvolumen darstellt, dass im Wesentlichen nicht bzw. nur erschwert genutzt werden kann. Folglich kommt es zu weniger Materialverlust in der Applikationsdüse 10 verglichen mit Düsen, die andere Querschnitte aufweisen.Upon completion of application of the composition to a substrate, the volume of composition remaining in the application nozzle 10 is less compared to a nozzle having a substantially round cross-section. This enables improved utilization of the composition, because the interior of the application nozzle 10 through which the composition flows represents a dead volume that essentially cannot be used or can only be used with difficulty. Consequently, there is less loss of material in the application nozzle 10 compared to nozzles that have other cross sections.

Figur 4 und 5 zeigen ein Ausführungsbeispiel eines akkubetriebenen Applikationsgerätes 200 mit der in Figur 1 gezeigten Applikationsdüse 10. Figure 4 and 5 show an embodiment of a battery-powered application device 200 with the in figure 1 shown application nozzle 10.

Das Applikationsgerät 200 weist ein Applikationssystem 100 auf, das in das Applikationsgerät 200 eingesetzt werden kann bzw. Bestandteil des Applikationsgerätes 200 ist.The application device 200 has an application system 100 that can be inserted into the application device 200 or is a component of the application device 200 .

BezugszeichenlisteReference List

1010
Applikationsdüseapplication nozzle
1212
Eintrittsbereichentry area
1414
Austrittsbereichexit area
1616
Austrittsöffnungexit port
2020
Aufsetzbereichtouchdown area
3030
Abschrägungbevel
4040
Kanteedge
5050
Seitenflächeside face
100100
Applikationssystemapplication system
200200
Applikationsgerät bzw. akkubetriebenes ApplikationsgerätApplication device or battery-operated application device
EE
Symmetrieebeneplane of symmetry
K1K1
Obere Scheitellinie der ApplikationsdüseUpper crest line of the application nozzle
K2K2
Untere Scheitellinie der ApplikationsdüseLower crest line of the application nozzle
XX
Längsachse der ApplikationsdüseLongitudinal axis of the application nozzle
αa
Winkel der Abschrägungangle of bevel

Claims (12)

  1. An application nozzle (10) for an application system (100) for gel-like and/or pasty compositions, wherein the application nozzle (10) has an inlet region (12) and an outlet region (14) for the composition, with the application nozzle (10) having a longitudinal axis (X) and a plane, in particular a plane of symmetry (E), which extends in the longitudinal direction of the application nozzle (10) and in which the longitudinal axis (L) is disposed, wherein the outlet region (14) of the application nozzle (10) comprises
    - a contact region (20) for the application nozzle (10) on a substrate, said contact region (20) standing perpendicular to this plane, in particular to the plane of symmetry (E); and
    - an outlet opening (16) for the composition,
    wherein the contact region (20) and the outlet opening (16) are structurally delineated from one another as two separate sections kinked with respect to one another,
    wherein the contact region is at least partly slanted, and
    wherein the application nozzle (10) further has an upper crown line (K1) and a lower crown line (K2) which are disposed in said plane, wherein the upper crown line (K1) leads into the outlet opening (16) and the lower crown line (K2) leads into the contact region (20),
    characterized in that
    the upper crown line (K1) and the longitudinal axis (X) include an angle which is smaller than the angle which is included by the lower crown line (K2) and the longitudinal axis (X).
  2. An application nozzle (10) in accordance with claim 1,
    characterized in that
    the outlet opening is provided at a surface which is adjacent to the plane formed by the contact region.
  3. An application nozzle (10) in accordance with claim 1 or claim 2, characterized in that
    the outlet opening (16) is adjacent to the contact region (20).
  4. An application nozzle (10) in accordance with any one of the preceding claims,
    characterized in that the contact region (20) of the application nozzle has a polygonal cross-section.
  5. An application nozzle (10) in accordance with any one of the preceding claims,
    characterized in that the outlet opening (16) for the composition is polygonal, in particular triangular.
  6. An application nozzle (10) in accordance with any one of the preceding claims,
    characterized in that the slant (30) of the contact region (20) is formed by an angular range between approximately 50° to approximately 85°, in particular 60° to approximately 75°, preferably 65° to 70°.
  7. An application nozzle (10) in accordance with any one of the preceding claims,
    characterized in that the application nozzle (10) has at least one edge (40) and/or rib, with in particular the edge (40) and/or rib being constituted and formed such that the application nozzle (10) has an increased bending stiffness and/or torsional stiffness in comparison with an application nozzle having a substantially round cross-section.
  8. An application nozzle (10) in accordance with any one of the preceding claims,
    characterized in that the application nozzle (10) has a substantially polygonal cross-section or a polygonal cross-section with respect to the cross-section.
  9. An application nozzle (10) in accordance with any one of the preceding claims,
    characterized in that the application nozzle (10) has a cross-section or a shape which has at least one concave section, with the application nozzle (10) in particular having at least one flattened side surface (50), with the application nozzle (10) preferably having two flattened side surfaces (50).
  10. An application system (100) comprising an application nozzle (10) in accordance with any one of the preceding claims.
  11. An application device (200), in particular an application device (200) operated by a rechargeable battery, comprising at least one application nozzle (10) in accordance with any one of the claims 1 to 9 and/or at least one application system (100) in accordance with claim 10.
  12. A method of applying gel-like and/or pasty compositions by means of an application nozzle (10) in accordance with any one of the claims 1 to 9 and/or by means of an application system (100) in accordance with claim 10 and/or by means of an application device (200) in accordance with claim 11.
EP14726179.6A 2013-05-29 2014-05-26 Application nozzle Active EP2986394B8 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP13169808 2013-05-29
PCT/EP2014/060864 WO2014191369A1 (en) 2013-05-29 2014-05-26 Application nozzle

Publications (3)

Publication Number Publication Date
EP2986394A1 EP2986394A1 (en) 2016-02-24
EP2986394B1 true EP2986394B1 (en) 2022-04-13
EP2986394B8 EP2986394B8 (en) 2022-06-01

Family

ID=48534258

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14726179.6A Active EP2986394B8 (en) 2013-05-29 2014-05-26 Application nozzle

Country Status (8)

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US (1) US9937518B2 (en)
EP (1) EP2986394B8 (en)
JP (1) JP6438942B2 (en)
CN (1) CN105612009B (en)
BR (1) BR112015030026B1 (en)
CA (1) CA2913099C (en)
ES (1) ES2917380T3 (en)
WO (1) WO2014191369A1 (en)

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CN110102442A (en) * 2019-06-11 2019-08-09 苏州市星光精密机械有限公司 It is a kind of for improving the energy saving dispensing needle head of dispensing height
CN114555242B (en) * 2019-11-26 2023-09-22 米其林集团总公司 Adhesive tape mixing head with attachment for mixing applicator
JP7534853B2 (en) * 2020-02-04 2024-08-15 Ykk Ap株式会社 Building materials for fixtures
USD988098S1 (en) * 2021-07-01 2023-06-06 Anthony Thompson Replacement caulking tip

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Also Published As

Publication number Publication date
US20160114350A1 (en) 2016-04-28
EP2986394B8 (en) 2022-06-01
BR112015030026B1 (en) 2021-01-12
BR112015030026A2 (en) 2017-07-25
CA2913099C (en) 2021-10-26
JP2016520424A (en) 2016-07-14
EP2986394A1 (en) 2016-02-24
CN105612009A (en) 2016-05-25
JP6438942B2 (en) 2018-12-19
ES2917380T3 (en) 2022-07-08
CA2913099A1 (en) 2014-12-04
CN105612009B (en) 2018-12-14
US9937518B2 (en) 2018-04-10
WO2014191369A1 (en) 2014-12-04

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