EP3171986A1 - Crayon d'application - Google Patents

Crayon d'application

Info

Publication number
EP3171986A1
EP3171986A1 EP15738653.3A EP15738653A EP3171986A1 EP 3171986 A1 EP3171986 A1 EP 3171986A1 EP 15738653 A EP15738653 A EP 15738653A EP 3171986 A1 EP3171986 A1 EP 3171986A1
Authority
EP
European Patent Office
Prior art keywords
application
liquid
head part
ampoule
hollow body
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.)
Withdrawn
Application number
EP15738653.3A
Other languages
German (de)
English (en)
Inventor
Daniel Fehlmann
Dana Maiwald
Dominique Burkard
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.)
Sika Technology AG
Original Assignee
Sika Technology 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
Priority claimed from EP14178613.7A external-priority patent/EP2977112A1/fr
Application filed by Sika Technology AG filed Critical Sika Technology AG
Publication of EP3171986A1 publication Critical patent/EP3171986A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K8/00—Pens with writing-points other than nibs or balls
    • 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
    • B05C17/002—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 with feed system for supplying material from an external source; Supply controls therefor
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M35/00—Devices for applying media, e.g. remedies, on the human body
    • A61M35/003—Portable hand-held applicators having means for dispensing or spreading integral media
    • A61M35/006—Portable hand-held applicators having means for dispensing or spreading integral media using sponges, foams, absorbent pads or swabs as spreading means

Definitions

  • the invention relates to an application pen for dispensing a liquid onto a surface, preferably for applying a protective layer to adhesive surfaces of a vehicle, in particular for improving adhesion
  • Adhesive applications comprising a hollow body, in which the liquid is preferably received within an ampoule accommodated in the hollow body, which can be broken to discharge the liquid.
  • Pre-treatment agents for the production of adhesive bonds are usually offered in packages consisting of an aluminum bottle, polyethylene cup and a screw cap of the polypropylene bottle. In the field of disposable applications also aluminum tubes or primer pens and activator pads are offered with low content.
  • An application pen comprising a cylindrical body in which a
  • Ampoule is destroyed by a pressure exerted radially on the peripheral surface of the application part, so that the liquid exits from the ampoule.
  • the application part comprises a porous body. A seal between the individual parts (cylindrical body,
  • a liquid to a surface preferably for applying a protective layer on adhesive surfaces of a vehicle, in particular for adhesion improvement in adhesive applications, comprising a hollow body for receiving the liquid, in particular within an ampoule accommodated in the hollow body (comprising a peripheral surface), wherein the ampoule for discharging the Liquid can be broken.
  • a breaker having an axially movable portion is provided and formed such that movement of the movable portion in the axial direction of the
  • Breaking the ampoule leads. This creates an intuitively easily detectable and simple and effective way of breaking the ampoule.
  • breakers are proposed, the radial application of force (for example, by buckling on a
  • Table edge or impressions of a peripheral surface require what is perceived as relatively complicated and complicated. According to the invention, however, can be an axial force (for example, by a blow to one end of the application pen or a rotary drive via a thread, as explained in detail below) comparatively easy breakage of the ampoule can be achieved.
  • An "axial" movement or force is to be understood as meaning a movement or force action in the direction of the longitudinal axis of the application pen.
  • the hollow body has at least two parts, preferably at least three parts, wherein on at least one surface, in particular peripheral surface, of one of the parts of a surface, in particular Peripheral surface, another part faces, a
  • Sealing ring in particular a sealing lip is provided.
  • the sealing ring, in particular the sealing lip is preferably integrally formed on one of the facing surfaces.
  • a “sealing ring” is intended to represent a structure which is self-contained
  • a “sealing lip” is preferably a “sealing ring” which is designed as a ring lamina.
  • a core idea of the second aspect is to provide at least one sealing ring, which seals the seal individual components of the application pen, in particular if the individual parts are movable (such as, for example, a closure cap
  • a high tightness is made possible at the same time as a comparatively simple relative movement.
  • sealing ring for example at least two, preferably at least three or four sealing rings (sealing lips) may be provided on one of the facing surfaces.
  • a plurality of sealing rings may be provided on an outer circumferential surface of a head part, wherein a first group of sealing rings faces an inner surface of a closure cap and a second group of sealing rings an inner peripheral surface of a base part.
  • the hollow body comprises at least one closure cap and a base body which preferably comprises an end of the application pen facing away from the cap, wherein the closure cap comprises a liquid application part (in particular liquid application felt), wherein the
  • a central idea of the third aspect is that a
  • Liquid application part is disposed within the cap and thus the cap simultaneously serves as means for applying the liquid.
  • the liquid application part remains in the main body of the pen.
  • the liquid application part dries, either the entire application pen has to be disposed of or (if this is even possible at all) the liquid application part as such
  • the invention allows gem. the third aspect, that the cap incl.
  • Liquid application part is exchanged in its entirety. Since the cap is only a relatively small or easily manufacturable component, this is a low cost and a low impact on the environment
  • the hollow body has at least one base body and a head part, wherein the head part comprises a (flexible) end face with a slot ,
  • the slot may have a width of at most 1 mm, preferably 0.5 mm, more preferably at most 0.2 mm.
  • the slot may have a length of at least 1.5 mm, preferably at least 2 mm or at most 10 mm, preferably at most 5 mm.
  • the core idea of the fourth aspect is to be able to place an order after the "baby bottle pnzip".
  • the head part can be made of a (soft) plastic, for example polyolefin (for example polyethylene and / or polypropylene) or of silicone.
  • the head part is preferably designed so that it can be pressed in its front region, so that thereby dosing and application of the liquid can take place.
  • the head part has no felt, is designed as "feltless”.
  • the movable portion is arranged and formed such that it by a in the axial direction
  • the "impact” may, for example, be directed to one end of the application pen, which is opposite to the exit region, but the “impact” preferably takes place at an end on which the exit region is arranged, for example on a closure cap or a head part.
  • the movable section can be driven by rotation of a rotatable section, in particular a closure cap, such that rotation of the rotatable section
  • the rotatable portion may be formed by the movable portion itself (at least partially), for example, by a thread (screw thread) movable portion (or a rotatable portion of the application pin, with the movable portion in Operative connection) rotates, it simultaneously drives the movable section in the axial direction until the ampoule breaks. It is particularly preferred in the context, if over the same thread and a cap can be removed from the other components of the application pen.
  • the movable portion eg a head part
  • the closure cap be in operative connection.
  • the movable portion can then be moved in the axial direction of the ampoule so that it breaks.
  • the closure cap can then be rotated in opposite directions, so that the closure cap can be removed from the remaining components of the application pen.
  • an end which comprises the exit region and / or a section which comprises the head part is rotated so that it moves in the direction of a base part; the ultimately breaking force of the end of the application pen with the
  • Exit area acts forth. This increases the safety when breaking the ampoule.
  • the breaking device comprises a deflecting device such that a force which acts axially on account of the movement of the movable section is deflected in the direction of the circumferential surface of the ampoule (cf.
  • the breaking device has at least one (preferably flexible) claw, preferably such that
  • At least one claw is driven by the axial movement of the movable portion against the peripheral surface of the ampoule.
  • the at least one claw may have a run-on slope, so that the claw (for example, when starting against a corresponding
  • Run-up slope or a stop is driven against the ampoule and this breaks.
  • claws are preferably spaced apart by slots.
  • These slots preferably have (on average) a smaller diameter in a direction perpendicular to the axial direction than the claws (on average).
  • the claws (on average) may be at least 1.5 times, preferably at least 2 times as wide (in the direction perpendicular to the axial direction) as the slots (on average).
  • Breaking comes into contact with the ampoule, may be curved inwardly or have a radially inwardly facing projection. As a result, the claw “hammers” on the ampoule so that it is controlled and effectively broken.
  • "Claw” generally means a structure that is at least partially curved (inwards).
  • two claws are each other
  • Guide sections may be arranged next to the claws in the circumferential direction. These guide portions may have axially extending ribs that can guide and hold the ampule for controlled and safe fracturing. These guide sections are also opposite each other. Overall, therefore, in the circumferential direction, a first guide portion, a first claw, a second guide portion and a second claw in this
  • Slots may be located between these four elements, for example, having a diameter that is smaller than a diameter of the claws and / or the guide portions (in the circumferential direction).
  • the hollow body comprises a head part and a base body, which comprises an end facing away from the outlet region.
  • the head part is preferably movable relative to the base body in the axial direction.
  • the head part may in this embodiment define the movable portion or at least form part of the movable portion.
  • the head part can form at least one component of the breaker.
  • the head part is at least partially guided within the base body.
  • the head part may have the claws described above.
  • the head part (as well as the base body) may be at least partially cylindrical. In particular, when a relative movement between the head part and the base body is used to the ampoule (eg in the presence of an axial Punch), the operability of the application pen is improved.
  • a head part (especially the one above
  • liquid absorption body in particular at least one absorption sponge and / or a liquid application felt for applying the liquid.
  • a liquid application felt for applying the liquid for example, a
  • Absorption sponge can ensure that during transport
  • Vibrations are intercepted and thereby the ampoule is protected. Furthermore, he can ensure that when breaking the ampoule no glass splinters emerge in the front area. Overall, this is the
  • the hollow body in particular a base body of the
  • Hollow body At least one run-up slope on an inner
  • Circumferential surface in such a way that an axially acting force, at least partially, in a radially inwardly directed (on the outer peripheral surface of the
  • a (removable) film element in particular label, can be arranged around the application pen.
  • the film element may preferably be arranged around a head part and / or between a closure cap and a base body.
  • the film element may be formed so that it blocks an axial movement between the head part and the base body, so that - as long as that
  • Foil element is attached - the ampule can not be broken.
  • the film element is then removed, whereby the blockage is lifted by the film element and the ampoule can be broken. If, for example, the film element (label) is labeled accordingly, an intuitive and simple operation of the application pen can be achieved.
  • the hollow body may have different parts
  • a base body preferably comprising a
  • a liquid application part in particular liquid application felt
  • a sponge absorption sponge
  • Liquid application part in particular the liquid application felt easily accessible from the outside, so that liquid can be applied to a surface.
  • the liquid application part may be (optionally fixed and / or integral) connected to the cap, in particular inserted and / or pressed and / or glued and / or welded.
  • An end of the closure cap facing away from the liquid application part may have a recess.
  • This recess has, for example, a diameter of at least 0.5 cm and / or at most 1 cm and may, for example, have a round cross-section.
  • the closure cap can have axially extending ribs on its outer
  • closure cap a, in particular porous
  • Liquid application part preferably a liquid-applied felt.
  • At least one sealing ring can have at least one interruption, in particular notch, wherein the interruption (notch)
  • the notch may be longer than 0.3 mm, in particular longer than 0.7 mm.
  • At least one first sealing ring can be provided without interruption.
  • At least one second sealing ring may have at least one interruption (notch).
  • Liquid (primer) is, through this interruption (recess or channel) can escape (or at least partially escape).
  • this can be replaced by a general “sealing element”. All developments of the sealing ring (which does not directly affect the ring geometry) then apply to such a "sealing element”.
  • exactly one first sealing ring is provided and (exactly) two second sealing rings.
  • the at least one first sealing ring may be arranged distally relative to the at least one second sealing ring.
  • a "distal" arrangement is to be understood as meaning an arrangement in which the corresponding sealing ring is arranged closer to a head end or farther away from a rear end of the application pen, the interruptions (notches) being (approximately) U-shaped or V-shaped. be shaped.
  • the length of the interruption (notch) is specified, it should be understood in particular the length of the interruption (notch) in the circumferential direction (ie along an imaginary line that would follow the sealing ring, if he had no interruption).
  • At least one sealing ring can have at least two or at least three
  • the respective sealing ring may have a height (in the radial direction) of at least 0.4 mm, in particular at least 0.6 mm and / or at most 2.0 mm, in particular at most 1.2 mm.
  • each sealing ring basically be continuous (circulate) or have one or more interruptions (notches).
  • Displacement can namely create an overpressure, which is relieved by the interruptions (notches).
  • interruptions notches
  • a (the) head part is pressed into the interior of the application pen (or against an ampoule or in the direction of the rear end of the application pen) may occur in the interior of the application pen overpressure, so that (in the appropriate position of the application pen) drips content .
  • interruptions escaping openings
  • the provision of interruptions (escaping openings), in particular on "inner” (proximal) sealing rings prevents or at least reduces this problem, since the (pressurized) air at least for the most part
  • At least one sealing ring (sealing lip) exactly two interruptions (notches), so that air when one another Zubedorf of individual components (for example, when successive Zubedorf headboard and base member), in particular during
  • Notches realized a seal (for example, if this additional sealing lip is provided on the head part, when this provided there sealing lip comes into contact with the base part).
  • a (defined) overpressure which ensures that when opening (breaking) of the ampoule and optionally removing a closure, the content (primer) quickly fills a part of the job (felt).
  • Fig. 1 is a schematic sectional view of a first
  • Fig. 2 is an enlarged section of the embodiment
  • Fig. 3 the detail gem. Fig. 2 in an altered position
  • Fig. 4 is a schematic sectional view of a cap according to the embodiment.
  • Fig. 5 is a schematic view of a second
  • Fig. 9 is a schematic sectional view of a cap gem.
  • Fig. 1 the section of the embodiment according to. Fig. 10 without
  • Fig. 12 shows a fifth embodiment of the invention in one
  • Fig. 14 shows a detail of a sixth embodiment of
  • FIG. 15 shows a section of the embodiment according to FIG. 14 in a schematic section analogous to FIG. 3;
  • FIG. 15 shows a section of the embodiment according to FIG. 14 in a schematic section analogous to FIG. 3;
  • Fig. 16 shows an alternative embodiment of a head part in one
  • FIG. 17 shows a front view of the head part according to FIG. 16;
  • Fig. 18 is a section along line XVIII-XVIII in Fig. 17;
  • Fig. 19 is a section along line XVI 11 l-XVI 111;
  • Fig. 20 is a sectional view of an alternative embodiment of the
  • FIG. 21 shows a section analogous to FIG. 20 in a second position
  • FIG. 22 shows the application pen according to FIGS. 20 and 21 in one
  • Oblique view (partially in an exploded view).
  • the application pen comprises a base body 10, an (axially movable) head part 1 1 (which forms a movable portion) and a closure cap 12, base body 10, head part 1 1 and
  • Closure cap 12 define a hollow body 3.
  • the base body 10 has an end region 14 (rear end) of the application pen facing away from an exit region 13.
  • end region 14 rear end of the application pen facing away from an exit region 13.
  • an ampoule (shown in phantom) 15 is arranged. Furthermore, a sponge 16 is provided, which prevents the ampoule (or fragments thereof) from falling out of the application pen.
  • the sponge 16 is provided within the head part 1 1.
  • a liquid application felt 17 is gem.
  • Fig. 1 partially disposed within the head part 1 1 and the cap 12. Claws 18 (in the present example, four claws are provided, but this number is not mandatory), the ampoule 15 can be broken so that liquid emerges from the ampoule.
  • FIGS. 2 and 3 show an enlarged section of the embodiment according to FIG. Fig. 1 in a first position (Fig. 2) and a second position (Fig. 3).
  • Fig. 2 it can be seen that a stop 19 of the head part 1 1 is removed from a stop 20 of the base body 10, so that the head part 1 1 and base body 10 can be moved towards each other, which is symbolized by the arrows 21.
  • a stop 19 of the head part 1 1 is removed from a stop 20 of the base body 10
  • the head part 1 1 and base body 10 can be moved towards each other, which is symbolized by the arrows 21.
  • Application body which is associated with the outlet region 13 and is formed in the present case by the closure cap 12, exercised, moves the head part 1 1 incl. Cap 12 in the direction of the base body 10. The final state is shown in Fig. 3. During this movement, run-on slopes 23 of the claws 18 come into contact with a (annular
  • a seal between the base body 10 and the head part 1 1 via sealing rings 26 which on an outer peripheral surface of the head part 1 1, which is opposite to an inner peripheral surface of the base body 10, are provided.
  • the cap 12 can be screwed onto the head part 1 1 via a screw thread 27 (the associated thread of the head part can not be seen in the figure since it is interrupted and the interruptions lie in the cutting plane).
  • a sealing of the closure cap 12 relative to the head part 10 is effected by a cone section 28 on the closure cap 12 and a cone section 29 on the head part 11.
  • the head part 1 1 has a ring inclined surface 30, which corresponds to the cone section 28 of the closure cap 12.
  • the cap 12 comprises a ring inclined surface 31, which corresponds to the cone portion 29 of the head part 1 1.
  • the cap 12 without head part 1 1 and base body 10 is shown.
  • the liquid application felt 17 is disposed in a recess 32 of the cap (eg glued or welded or otherwise integrally formed; if desired, the liquid application felt 17 can also be detachable from the cap).
  • the cap 12 when the cap 12 is removed from the other components of the applicator pen, the cap 12 still has its associated liquid applicator felt 17 impregnated with liquid due to its prior contact with the sponge 16. This liquid in the liquid application felt 17 can then be applied to a surface. Is the liquid application felt 17
  • the cap 12 can be thrown away and replaced with a new cap 12. In this case, the remaining components of the
  • Fig. 5 shows a schematic sectional view of a second embodiment of the invention (in a first position).
  • Fig. 6 shows the embodiment of FIG. 5 without the cap.
  • the ampoule is not shown in Fig. 5 and 6 for the sake of simplicity, but arranged analogously to FIG.
  • the mechanism for breaking the ampoule corresponds to the mechanism according to FIGS. 1 to 4 and will not be explained again at this point.
  • no sponge 16 is provided in the embodiment according to FIGS. 5 to 7.
  • the liquid application felt 17 prevents glass fragments from escaping from the ampoule.
  • the liquid application felt 17 see FIGS.
  • the head part 1 1 is sealed off from the base body 10 by sealing rings 26.
  • These sealing rings 26 may be formed as sealing lips or sealing lamellae.
  • the sealing ring 33a (see Fig. 7) engages in a corresponding annular
  • the sealing rings 33b, 33c are as
  • FIG. 8 shows a schematic sectional view of a third embodiment of the application pen.
  • the third embodiment according to FIGS. 8 and 9 corresponds to the first embodiment according to FIGS. 1 to 4 (in particular with regard to the seal between head part 11 and base body 10 or head part 11 and closure cap 12 and with respect to FIG
  • FIGS. 10 and 11 show a schematic sectional view of a
  • Section of a fourth embodiment of the invention may be formed as in the first, second or third embodiment (or a combination of these embodiments). Unlike the
  • Peripheral surface 36 of the head part 1 1 in the region of the sponge 16 is liquid through a slot 37 according to the "baby bottle principle"
  • the cap 12 is sealed relative to the head part 1 1 via sealing rings 38 a, 38 b, wherein the sealing ring 38 a in a corresponding annular groove 39 engages an inner circumferential surface of the cap 12 to form a locking connection.
  • the sealing ring 38b is formed as a protruding sealing lamella.
  • Figures 12 and 13 show sectional views of a fifth embodiment of the invention ( Figure 12 with closure cap, Figure 13 without closure cap).
  • the mechanism of breakage of the ampoule corresponds to the mechanism as described in the embodiment of FIGS. 8 and 9.
  • a sponge is not provided, but a remplisstechniksubbedefilz 17. This remains analogous to the embodiment of FIGS. 5 and 6 in the head part 1 1, the sealing lips 26 analogous to the previous embodiments, to realize a seal between the base body 10 and the head part 1 1 ,
  • sealing rings 33a to 33c are provided in order to lock the closure cap 12 and a seal between closure cap 12 and head part 11
  • a circulating film element (not shown) may preferably be arranged as a label in a region between the stops 19 and 20 (see FIG. 2). If this label is removed, the stops 19 and 20 can be moved towards each other.
  • the respective cap 12 can be screwed onto the head part 1 1 or plugged (bounced).
  • the sponge 16 may for example be a melamine sponge or be made of a different plastic.
  • the sponge 16 may for example be a melamine sponge or be made of a different plastic.
  • Sponge 16 are formed from a foam.
  • the ampoule 15 may for example consist of glass.
  • the base body and / or the head part and / or the closure cap 12 can be formed from a plastic, for example polyamide, polyethylene or polypropylene (generally polyolefin).
  • the application pen is suitable for the application of liquids to surfaces of all kinds.
  • a preferred application is the application of a liquid as an adhesion-promoting substrate or as
  • the liquid application felt 17 may generally be any one of
  • the liquid application felt may consist of fibers in random or fluid-oriented fibers.
  • FIGS. 14 and 15 each show a section of a sixth
  • FIG. 14 shows a section analogous to FIG. 2.
  • FIG. 15 shows a section analogous to FIG. 3.
  • the head part (the movable part) of FIG Section) 1 1 is not moved by an axially acting impact, but by a rotation of the cap 12.
  • the cap 12 has a thread 40 (which is preferably formed as an internal thread) on.
  • the base body 10 has a corresponding thread 41 (which is preferably formed as an external thread), so that the closure cap 12 by rotation in
  • 10 sealing rings (or - lips) 43 are provided between the head part 1 1 and base body.
  • Fig. 16 shows a head part 1 1 according to an alternative embodiment in an oblique view. Marked by a circle are notches 44 disposed within "second" sealing rings 43b and 43c, these sealing rings 43b, 43c running around the head portion without interruptions (except notches 44, for example two notches 44, one each) can be seen in the oblique view of Fig. 16.)
  • a "first sealing ring 43a" is carried out completely without interruptions.
  • the first sealing ring 43a is closer to a head end (liquid application part) than the sealing rings 43b, 43c, ie arranged distally relative to the sealing rings 43b, 43c.
  • the embodiment of the head part according to FIG. 16 has two (one another
  • Circular arc sections are opposite to those by the guide elements defined arc sections relatively small. At least 80% of the total circumference in the area of the claws 18 and the
  • Guide elements 45 is thus formed by the elements 44, 45.
  • the claws 18 each have at their end a (radially inwardly directed) projection 46. This projection is driven against the ampoule (not shown) so that it breaks. This can be seen further from FIGS. 20 and 21.
  • FIGS. 18 and 19 furthermore show axially extending ribs 47, one of which is arranged on an inner peripheral surface of an associated guide element 45.
  • the ampoule can be reliably positioned so that a controlled and defined breakage is made possible.
  • Ends 48 of the ribs 47 which first come into contact with the vial (not shown), are configured to securely position the vial.
  • FIGS. 20 and 21 show an embodiment of the application pen with a head part according to FIGS. 17 to 19 in sectional views.
  • Fig. 21 shows the state before breaking the ampoule 15.
  • Fig. 20 shows a state after breaking the ampoule 15.
  • threads 40, 41 corresponding to the embodiment according to FIGS. 14 and 15 are also provided here.
  • a (purely) translational movement of the head part can be made possible.
  • the head part moves in the direction of the rear end until it reaches the end position according to FIG. 20.
  • the sealing rings 43b, 43c already in contact with the
  • the notches 44 are also dimensioned so that a (low) pressure remains, which is desirable in view of the filling of the application part. If the head part is then moved further until it reaches the position in FIG. 20, the sealing ring 43a is also in contact with the base part 10 (the sealing ring 43a can be seen in detail in FIGS. 18 and 19). Since the sealing ring 43a has no interruptions (notches), thus a tight closure between the head part and the base part is realized.
  • the base part 10 (see Fig. 22 and Figures 20 and 21) has a
  • the cross structure 50 comprises a plurality of (actually four) circumferential rings 51. These rings (partially) continue to prevent leakage of liquid. In addition, the rings 51 improve the grip of the cross structure 50.
  • the cross nut 50 includes axially extending ribs 52 which intersect the rings 51. Ends of the ribs 52 are chamfered. This facilitates, on the one hand, the sliding of the cap 12 and, on the other hand, the gripping of the base part 10.
  • the ribs 52 are therefore also "dual-functional" and allow further material to be saved
  • the rings 51 are preferably (as can be seen in FIGS.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Coating Apparatus (AREA)
  • Closures For Containers (AREA)

Abstract

L'invention concerne un crayon d'application destiné à appliquer un liquide sur une surface, de préférence destiné à appliquer une couche de protection sur des surfaces adhésives d'un véhicule, notamment pour améliorer l'adhérence dans les applications d'adhésif, comprenant un corps creux (3) et une ampoule (15) reçue dans le corps creux, comprenant une surface circonférentielle destinée à recevoir le liquide, l'ampoule (15) pouvant être brisée pour décharger le liquide, une direction de brisure étant ménagée avec une partie axialement mobile et configurée de telle sorte qu'un mouvement de la partie mobile (11) dans la direction axiale conduit à briser l'ampoule (15).
EP15738653.3A 2014-07-25 2015-07-16 Crayon d'application Withdrawn EP3171986A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP14178614 2014-07-25
EP14178613.7A EP2977112A1 (fr) 2014-07-25 2014-07-25 Crayon d'application
PCT/EP2015/066355 WO2016012353A1 (fr) 2014-07-25 2015-07-16 Crayon d'application

Publications (1)

Publication Number Publication Date
EP3171986A1 true EP3171986A1 (fr) 2017-05-31

Family

ID=53673087

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15738653.3A Withdrawn EP3171986A1 (fr) 2014-07-25 2015-07-16 Crayon d'application

Country Status (3)

Country Link
US (1) US10350937B2 (fr)
EP (1) EP3171986A1 (fr)
WO (1) WO2016012353A1 (fr)

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Publication number Priority date Publication date Assignee Title
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US10350937B2 (en) 2019-07-16
US20170217244A1 (en) 2017-08-03

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