EP2465615A1 - Device for the application of adhesive - Google Patents
Device for the application of adhesive Download PDFInfo
- Publication number
- EP2465615A1 EP2465615A1 EP12159536A EP12159536A EP2465615A1 EP 2465615 A1 EP2465615 A1 EP 2465615A1 EP 12159536 A EP12159536 A EP 12159536A EP 12159536 A EP12159536 A EP 12159536A EP 2465615 A1 EP2465615 A1 EP 2465615A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- adhesive
- housing
- heating
- liquefying
- shaped
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 68
- 239000000853 adhesive Substances 0.000 title claims abstract description 67
- 238000010438 heat treatment Methods 0.000 claims abstract description 37
- 230000009471 action Effects 0.000 claims description 5
- 230000004913 activation Effects 0.000 claims description 4
- 238000011161 development Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 230000009849 deactivation Effects 0.000 claims 2
- 230000003213 activating effect Effects 0.000 claims 1
- 238000007599 discharging Methods 0.000 claims 1
- 238000005485 electric heating Methods 0.000 claims 1
- 230000004308 accommodation Effects 0.000 abstract 1
- 238000002844 melting Methods 0.000 description 10
- 230000008018 melting Effects 0.000 description 10
- 239000004831 Hot glue Substances 0.000 description 9
- 239000004836 Glue Stick Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000009429 electrical wiring Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Images
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
- B05C17/00523—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 provided with means to heat the material
- B05C17/00526—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 provided with means to heat the material the material being supplied to the apparatus in a solid state, e.g. rod, and melted before application
Definitions
- the present invention relates to a manually operable device for applying adhesive according to the preamble of the main claim.
- Such devices are well known as so-called. Hot glue guns and widely used in home improvement and professional crafts.
- such electrically operated hot melt adhesives in a gun-shaped housing have a receptacle for introducing and transporting adhesive bars, the solid glue stick being melted upon actuation by an operator by action of electrical heating in the housing and melted adhesive passing through an outlet opening onto a desired workpiece as a mission goal.
- Object of the present invention is therefore to improve a generic device for applying adhesive in view of the flexibility of the use, especially with respect to smaller application goals, as well as easier portability and handling.
- the invention provides that the generic, large-volume gun body (including associated switch-on, mains voltage and Schutfrapatented) is replaced by an elongated, pin-shaped housing, which is held by the operator in the manner of a highlighter or pen and feasible. This not only allows a much more sensitive guidance, also the exact dosage is simplified.
- a mains-powered electrical heating device melts an otherwise known stick-shaped adhesive element end, but with a (compared to the generic mains operated device) significantly reduced electrical power, so that not only the resulting, molten adhesive volumes are significantly lower, but also, favorable for a grid-independent power supply, the device of a battery-powered, off-grid supply is accessible (in the context of the present invention should the term "battery” include all current or conceivable wireless forms of energy, including rechargeable batteries, dry batteries, etc.).
- the pin shape of the housing according to the invention can also be easily and easily replaceable (beyond also in a simple manner) essential components of a solution variant, namely at least one (typically commercial standard size AA or AAA) battery, a glue stick and a compression spring element, which against the glue stick an end-side, heated by the battery heater heats, record, while still maintaining the slim, easy-to-handle pen shape.
- a solution variant namely at least one (typically commercial standard size AA or AAA) battery, a glue stick and a compression spring element, which against the glue stick an end-side, heated by the battery heater heats, record, while still maintaining the slim, easy-to-handle pen shape.
- a removable closing element preferably in the form of a screw-off heating tip, ensures easy refillability by accessing and replacing the glue stick; Also advantageous is the heating element in the form of preferably a heating grid in this removable area receivable.
- An alternative variant of the invention provides, instead of a screw-off heating tip, a springy, sleeve-like heating tip, which carries the heating grid or another electrically operated melting aggregate (as a means for liquefying the rod-shaped adhesive element) at its end.
- a springy, sleeve-like heating tip which carries the heating grid or another electrically operated melting aggregate (as a means for liquefying the rod-shaped adhesive element) at its end.
- the movable heating tip is pressed against the end of the adhesive element (preferably fixed in its current position), so that the melting can take place through the (heated) grid.
- This variant of the invention provides according to the invention and advantageous that the fixing of the adhesive pin, for example by clamping, takes place simultaneously with the energizing of the heating grid, such as by the operation of a two tasks associated, outside the cabinet operable switching or setting knob.
- This is preferably provided in a lateral jacket portion of the housing and operable in the pen attitude, so that in response to actuation of the battery power to the heater can be applied as a liquefying agent and so the end-side melting of the solid hot melt adhesive takes place.
- Training provided according to means for transporting the adhesive stick can then provide a suitable pen feed, ideally with a stroke corresponding to the melted length (on the one hand, this feed can be done directly by the spring-guided heating tip itself, such that it by adhesive action of the adhesive Adheres adhesive pin when springing out, alternatively, a separate feed mechanism on the adhesive attacks and this leads in the feed direction).
- this can be adapted to a purpose of use, in particular by appropriate design for applying advertising, operating or warnings ausgestalten.
- a particularly advantageous variant of the invention is to form the rod-shaped or pin-shaped adhesive with a rectangular cross-section.
- this rectangle is not a square, but a shape with different edge lengths, so easily creates the ability to immediately melt adhesive strip of two different widths with the inventive device, namely corresponding to a respective edge width of the rectangle.
- a (not only in this context) advantageous development of the invention also provides, on the outlet side of the heating tip spacers or sections in the form of edge projections assign, which prevent about when applying the heating tip on a Klebstoff réellesziel (eg a paper surface) that by a full contact immediately the outlet opening is closed, but a minimum height (eg a millimeter-fraction distance) is maintained. This would then correspond to an application level of the adhesive to be melted on the adhesive application target.
- Fig. 1 shown device is made and sized in the manner of a stylus, it has a typical length of about 11 to 13 cm with an outer diameter of about 11 to 14 mm.
- an iw hollow cylindrical housing 10 which is suitable from plastic, metal or the like.
- a battery end 12 for example, standard size AA, added, which with its downward end a Offers stop for a compression spring 14, which in turn biases an otherwise known, cylindrical-pin-shaped glue stick 16 against one end of the housing in a removable heating tip 18 provided heating grid 20.
- heating button 22 (the figure shows no electrical wiring between battery and heater)
- an operator By operating a heating button 22 (the figure shows no electrical wiring between battery and heater), an operator while holding or guiding the pin by pressing the outside of battery power to create the heater, which then heats up, the opposite end of the glue stick melts and by the (in the figure bottom side shown) open end of the heating tip then hot liquid adhesive can escape to the order target, with the ability to dose this melting or order sensitive.
- a plastic housing 30 with dickbauchig-pin-shaped contour such as the shape of a highlighter
- the essential components of the second embodiment are realized.
- an operating knob 36 which can be actuated by an operator while this holds and guides the pen in the manner of a writing instrument.
- the housing has an i.w. plane back 38, which offers a rectangular insertion opening 40 for a glue stick according to its outer shape.
- This (not shown in the figures) adhesive stick is formed of typical hot-melt adhesive material and has a melting temperature of about 100 ° C, such that when heated to a temperature above this melting temperature, it liquefies and corresponding liquid adhesive then by means of the outlet opening 32nd can be dosed to a Klebstoffönsziel. Through the opening 40 then new adhesive in the form of pen or rod-shaped adhesive elements is introduced according to rectangular cross-section.
- the housing 30 is realized as a plastic shell housing and has in the region of a narrow side in an otherwise known manner Plastic hinge on, so that it can be suitably manufactured and mounted in one piece as a jacket.
- the sliding sleeve 34 see. about the 4 to 6 is configured as a sleeve-shaped plastic element, which is axially movable in the housing and against the bias of a coil spring 42 (FIG. Fig. 6 ) is guided so that the spring force pushes the sleeve 34 in its outward position.
- the sleeve 34 closes off a (again suitable and corresponding to the adhesive element) rectangular guide channel 44 at the front, which is at the rear ( Fig. 3 ) opens to the insertion opening 40.
- a battery compartment space is further provided for (in the illustrated embodiment) two commercially available AA batteries 46, which are axially aligned in the manner shown connected in series and connected by means (only hinted shown) Verkablept or wiring elements in the housing 30 so that by means of a contact pair 48, operated by the knob 36, a circuit is closed by the battery series circuit to a heating grid 50, which rectangular shaped - the front end of the outlet region 32 marked and as liquefying agent for a zoom in from the inside via the channel 44 Adhesive pin is used.
- the contact pair 48 is closed, and current of the batteries 46 is applied to the heater grid 50 so that it - made of resistance heating wire or an expanded metal - offers a heated surface which is in contact with the facing end face of the (still) solid adhesive rod occurs. Due to the heating, however, the adhesive rod is liquefied in this end region and can as liquid adhesive - through the heater 50 and thus the outlet port 32 therethrough - pass on a Klebstoff réellesziel, which is suitably guided in front of the opening 32 (for example, by appropriately holding and guiding the Device by the operator).
- Fig. 2 to 6 clarifies also that upon actuation of the button (switch) 36 via a stationary in the housing against the restoring force of a spring 51 mounted rocker element 52 one end (locking portion) 54 of the rocker via a bottom slot in the guide channel 44 enters the guided therein adhesive element and this in locked in its current longitudinal position in the guide 44;
- an actuation of the switch 36 not only causes an electrical activation of the heating grid 50, but at the same time causes a fixing of the adhesive rod in the housing.
- the sleeve 34 is resiliently mounted, actuation of the device by the operator (typically causing an impression) forces the sleeve and thus the grid 50 against the - fixed - end of the adhesive element, Consequently, therefore, an effective, well-dosed melting can take place.
- the area of the outlet opening 32 provided at the edge projections 56 in the form of about 0.3 to 0.8 mm projecting spacer elements ensure that the operator, even if they cover the entire surface 32 on a flat target - about a piece of paper - - touches, there is no closing of the outlet opening, but always with a minimum application thickness of the liquefied adhesive is applied.
- a release of the button 36 by the operator first causes the heater 50 is no longer supplied with power; by the small areas involved and the correspondingly low heat capacity, there is a rapid cooling of the adhesive in the region of the outlet opening 32.
- By dasbewegt by raising the button 36 - lowering the engagement portion 54 of the plastic element this is solved in its longitudinally fixed position and, due to adhesion forces of the adhesive acting in the sleeve region 34, with the sleeve 34 moved out of the housing by the action of the spring 42, transporting a predetermined length (this length corresponding to the amount of the melted adhesive). In this way, an automatic feed of the pin-shaped adhesive element is thus ensured in a very simple manner.
- the Operate manually by appropriately tracking another pin in the opening 40.
- PTC positive temperature coefficient, i.e. increasing electrical resistance with increasing heating
- the present invention is not limited to the described functional and action mechanisms concerning the grid structure, pen feed, electrical wiring or the like. limited; Rather, it is within the scope of the invention to use the basic approaches according to the invention also suitable for other fields of application that require other constructive realizations. Thus, it is in particular of the present invention to form a different feed mechanism for a rod-shaped adhesive element which acts approximately directly on the element, or other (electrical) Schuungssectionn to choose the design of the means for liquefying, such as by means of an expanded metal, heated chambers, honeycomb or the like.
- the present invention allows in the manner shown, the simple realization of a highly user-friendly adhesive applicator device, which will make the traditional network-bound devices accessible material "hot melt adhesive" now also in other fields of application.
- the writing instrument character of the embodiments shown is an indication that possibly the office area could become a field of application for this technology.
Landscapes
- Coating Apparatus (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
Description
Die vorliegende Erfindung betrifft eine manuell handhabbare Vorrichtung zum Auftragen von Klebstoff nach dem Oberbegriff des Hauptanspruchs. Derartige Vorrichtungen sind als sog. Heißklebepistolen allgemein bekannt und im Heimwerker- sowie professionellen Handwerksbereich weit verbreitet.The present invention relates to a manually operable device for applying adhesive according to the preamble of the main claim. Such devices are well known as so-called. Hot glue guns and widely used in home improvement and professional crafts.
Konkret weisen derartige, elektrisch betriebene Heißklebevorrichtungen in einem pistolenförmig ausgebildeten Gehäuse eine Aufnahme zum Einführen und Transportieren von Klebstoffstäben auf, wobei durch Wirkung einer elektrischen Beheizung im Gehäuse dann bei Betätigung durch eine Bedienperson der feste Klebstoffstift geschmolzen und abgeschmolzener Klebstoff durch eine Auslassöffnung auf ein gewünschtes Werkstück als Auftragsziel gebracht wird.Specifically, such electrically operated hot melt adhesives in a gun-shaped housing have a receptacle for introducing and transporting adhesive bars, the solid glue stick being melted upon actuation by an operator by action of electrical heating in the housing and melted adhesive passing through an outlet opening onto a desired workpiece as a mission goal.
Derartige Vorrichtungen werden in großen Stückzahlen und hoch automatisiert produziert, machen sich dabei neben einfacher konstruktiver Realisierung auch die Existenz preiswerter Klebstoffstäbe zunutze.Such devices are produced in large numbers and highly automated, making use of simple constructive realization and the existence of inexpensive adhesive rods advantage.
Allerdings ist der Einsatz derartiger, bekannter Vorrichtungen auf (volumenmäßig bzw. flächenmäßig) größere Klebstoffmengen bzw. Auftragsflächen beschränkt, da nicht zuletzt die (üblicherweise netzbetriebene) Beheizung, in Verbindung mit großflächiger Erwärmung des Klebstoffstifts, für hohe Abschmelzvolumina des verflüssigten Kunststoffs sorgt, so dass insbesondere kleine Einsatzziele nur schwer zu erreichen sind. Hinzu kommt die aufgrund der pistolenförmigen Konstruktion sowie der Notwendigkeit eines Netzkabels bedingte, eingeschränkte Handhabbarkeit und Portabilität.However, the use of such known devices on (volume or area) larger amounts of adhesive or application surfaces is limited, not least because the (usually mains-powered) heating, in conjunction with large-scale heating of the adhesive pin, ensures high Abschmelzvolumina the liquefied plastic, so that especially small objectives are difficult to achieve. Added to this is the limited manageability and portability due to the gun-shaped construction and the need for a power cord.
Aufgabe der vorliegenden Erfindung ist es daher, eine gattungsgemäße Vorrichtung zum Auftragen von Klebstoff im Hinblick auf die Flexibilität des Einsatzes, vor allem betreffend kleinere Einsatzziele, sowie einfachere Portabilität und Handhabung zu verbessern.Object of the present invention is therefore to improve a generic device for applying adhesive in view of the flexibility of the use, especially with respect to smaller application goals, as well as easier portability and handling.
Die Aufgabe wird durch die Vorrichtung mit den Merkmalen des Hauptanspruches gelöst; vorteilhafte Weiterbildungen der Erfindung sind in den Unteransprüchen beschrieben.The object is achieved by the device having the features of the main claim; advantageous developments of the invention are described in the subclaims.
So ist erfindungsgemäß vorgesehen, dass das gattungsgemäße, großvolumige Pistolengehäuse (samt zugehöriger Einschalt-, Netzspannungs- und Heizinfrastruktur) ersetzt wird durch ein langgestrecktes, stiftförmiges Gehäuse, welches durch die Bedienperson in der Art eines Textmarkers oder Schreibstifts halt- und führbar ist. Damit ist nicht nur eine wesentlich feinfühligere Führung ermöglicht, auch wird die genaue Dosierung vereinfacht.Thus, the invention provides that the generic, large-volume gun body (including associated switch-on, mains voltage and Heizinfrastruktur) is replaced by an elongated, pin-shaped housing, which is held by the operator in the manner of a highlighter or pen and feasible. This not only allows a much more sensitive guidance, also the exact dosage is simplified.
Weiterbildungsgemäß ist vorgesehen, dass eine netzlos mit Energie versorgte elektrische Heizvorrichtung ein ansonsten bekanntes stiftförmiges Klebelement endseitig abschmilzt, jedoch mit einer (verglichen mit dem gattungsgemäßen netzbetriebenen Gerät) deutlich reduzierten elektrischen Leistung, so dass nicht nur die erhaltenen, abgeschmolzenen Klebstoffvolumina deutlich geringer sind, sondern auch, günstig für eine netzunabhängige Stormversorgung, die Vorrichtung einer batteriebetriebenen, netzunabhängigen Versorgung zugänglich wird (im Rahmen der vorliegenden Erfindung soll dabei der Begriff "Batterie" sämtliche gängigen oder denkbaren drahtlose Energieformen einschließen, eingeschlossen aufladbare Akkumulatoren, Trockenbatterien usw.).According to the invention, it is provided that a mains-powered electrical heating device melts an otherwise known stick-shaped adhesive element end, but with a (compared to the generic mains operated device) significantly reduced electrical power, so that not only the resulting, molten adhesive volumes are significantly lower, but Also, favorable for a grid-independent power supply, the device of a battery-powered, off-grid supply is accessible (in the context of the present invention should the term "battery" include all current or conceivable wireless forms of energy, including rechargeable batteries, dry batteries, etc.).
Durch die erfindungsgemäße Stiftform des Gehäuses lassen sich zudem einfach und leicht austauschbar (darüber hinaus auch in einfach herzustellender Weise) wesentliche Komponenten einer Lösungsvariante, nämlich mindestens eine (typischerweise handelsübliche Normgröße AA oder AAA) Batterie, ein Klebstift sowie ein Druckfederelement, welches den Klebestift gegen ein endseitiges, durch die Batterie beheiztes Heizgitter drückt, aufnehmen, wobei nach wie vor die schlanke, gut handhabbare Stiftform erhalten bleibt.Due to the pin shape of the housing according to the invention can also be easily and easily replaceable (beyond also in a simple manner) essential components of a solution variant, namely at least one (typically commercial standard size AA or AAA) battery, a glue stick and a compression spring element, which against the glue stick an end-side, heated by the battery heater heats, record, while still maintaining the slim, easy-to-handle pen shape.
Gleichzeitig sorgt, wie weiterbildungsgemäß vorgesehen, ein abnehmbares Abschlusselement, bevorzugt in der Form einer abschraubbaren Heizspitze, für einfache Nachfüllbarkeit durch Zugriff auf und Austauschen des Klebstifts; auch ist vorteilhaft das Heizelement in Form bevorzugt eines Heizgitters in diesem abnehmbaren Bereich aufnehmbar.At the same time, as provided for further development, a removable closing element, preferably in the form of a screw-off heating tip, ensures easy refillability by accessing and replacing the glue stick; Also advantageous is the heating element in the form of preferably a heating grid in this removable area receivable.
Eine alternative Variante der Erfindung sieht statt einer abschraubbaren Heizspitze eine federnd-bewegliche, hülsenartige Heizspitze vor, welche das Heizgitter oder ein anderes elektrisch betriebenes Abschmelzaggregat (als Mittel zum Verflüssigen des stabförmigen Klebstoffelements) endseitig trägt. Durch Druck des Benutzers bei der Handhabung des Gehäuses wird dann etwa die so bewegbare Heizspitze gegen das abzuschmelzende Ende des (bevorzugt in seiner aktuellen Position fixierten) Klebstoffelements gedrückt, so dass das Abschmelzen durch das (beheizte) Gitter erfolgen kann. Diese Variante der Erfindung sieht erfindungsgemäß und vorteilhaft vor, dass das Fixieren des Klebstifts, z.B. durch Festklemmen, gleichzeitig mit dem Bestromen des Heizgitters erfolgt, etwa mittels der Betätigung eines beiden Aufgaben zugeordneten, gehäuseextern bedienbaren Schalt- bzw. Stellknopfes. Dieser ist bevorzugt in einem seitlichen Mantelbereich des Gehäuses vorgesehen und in der Schreibstift-Haltung betätigbar, so dass als Reaktion auf Betätigung der Batteriestrom an das Heizgitter als Verflüssigungsmittel angelegt werden kann und so das endseitige Abschmelzen des festen Heißklebstoffs erfolgt. Mittels einer mechanischen Zusatzfunktion dieses Knopfes wird dann in diesem Betriebszustand der Klebstoffstift in der beschriebenen Weise fixiert, nach Lösen des Heizknopfes wieder freigegeben. Weiterbildungsgemäß vorgesehene Mittel zum Transport des Klebstoffstiftes können dann für einen geeigneten Stiftvorschub sorgen, idealerweise mit einem Hub entsprechend der abgeschmolzenen Länge (wobei einerseits dieser Vorschub etwa unmittelbar durch die federnd geführte Heizspitze selbst erfolgen kann, etwa dergestalt, dass diese durch adhäsive Wirkung des Klebstoffs den Klebstoffstift beim Herausfedern mitnimmt, alternativ eine separate Vorschubmechanik am Klebstoff angreift und diesen in Vorschubrichtung führt).An alternative variant of the invention provides, instead of a screw-off heating tip, a springy, sleeve-like heating tip, which carries the heating grid or another electrically operated melting aggregate (as a means for liquefying the rod-shaped adhesive element) at its end. By pressure of the user during handling of the housing, the movable heating tip is pressed against the end of the adhesive element (preferably fixed in its current position), so that the melting can take place through the (heated) grid. This variant of the invention provides according to the invention and advantageous that the fixing of the adhesive pin, for example by clamping, takes place simultaneously with the energizing of the heating grid, such as by the operation of a two tasks associated, outside the cabinet operable switching or setting knob. This is preferably provided in a lateral jacket portion of the housing and operable in the pen attitude, so that in response to actuation of the battery power to the heater can be applied as a liquefying agent and so the end-side melting of the solid hot melt adhesive takes place. By means of a mechanical additional function of this button is then fixed in this operating state of the glue stick in the manner described, released after loosening the heating button again. Training provided according to means for transporting the adhesive stick can then provide a suitable pen feed, ideally with a stroke corresponding to the melted length (on the one hand, this feed can be done directly by the spring-guided heating tip itself, such that it by adhesive action of the adhesive Adheres adhesive pin when springing out, alternatively, a separate feed mechanism on the adhesive attacks and this leads in the feed direction).
Je nach konstruktiver Ausgestaltung des Gehäuses lässt sich dieses einem Einsatzzweck anpassen, insbesondere auch durch entsprechendes Design zum Aufbringen von Werbe-, Bedien- oder Warnhinweisen ausgestalten.Depending on the structural design of the housing, this can be adapted to a purpose of use, in particular by appropriate design for applying advertising, operating or warnings ausgestalten.
Eine besonders vorteilhafte Variante der Erfindung besteht darin, den stab- bzw. stiftförmigen Klebstoff mit rechteckförmigem Querschnitt auszubilden. Insbesondere dann, wenn dieses Rechteck kein Quadrat, sondern eine Form mit unterschiedlichen Kantenlängen ist, entsteht so auf einfache Weise die Möglichkeit, mit der erfindungsgemäßen Vorrichtung Klebstoffstreifen zweier verschiedener Breiten unmittelbar abzuschmelzen, nämlich entsprechend einer jeweiligen Kantenbreite des Rechtecks. Eine (nicht nur in diesem Zusammenhang) vorteilhafte Weiterbildung der Erfindung sieht zudem vor, auslassseitig der Heizspitze Abstandselemente bzw. -abschnitte in Form von randseitigen Vorsprüngen zuzuordnen, welche etwa beim Aufsetzen der Heizspitze auf ein Klebstoffauftragsziel (z.B. eine Papieroberfläche) verhindern, dass durch ein vollflächiges Aufsetzen unmittelbar die Auslassöffnung verschlossen wird, vielmehr eine Mindesthöhe (z.B. ein Millimeter-Bruchteil Abstand) gewahrt bleibt. Dies würde dann einer Auftragshöhe des abzuschmelzenden Klebstoffs auf dem Klebstoffauftragsziel entsprechen.A particularly advantageous variant of the invention is to form the rod-shaped or pin-shaped adhesive with a rectangular cross-section. In particular, when this rectangle is not a square, but a shape with different edge lengths, so easily creates the ability to immediately melt adhesive strip of two different widths with the inventive device, namely corresponding to a respective edge width of the rectangle. A (not only in this context) advantageous development of the invention also provides, on the outlet side of the heating tip spacers or sections in the form of edge projections assign, which prevent about when applying the heating tip on a Klebstoffauftragsziel (eg a paper surface) that by a full contact immediately the outlet opening is closed, but a minimum height (eg a millimeter-fraction distance) is maintained. This would then correspond to an application level of the adhesive to be melted on the adhesive application target.
Im Ergebnis entsteht durch die vorliegende Erfindung in überraschend einfacher und eleganter Weise eine Vorrichtung, welche einfachste Handhabung und Bedienbarkeit mit potentiell großserientauglicher, einfacher Fertigbarkeit in der industriellen Produktion kombiniert, so dass zu erwarten steht, dass etwa gerade traditionellen Heißkleberlösungen auch völlig neuen Anwendungsgebieten, nicht zuletzt auch im Bürobereich, zugänglich werden.The result of the present invention in a surprisingly simple and elegant way, a device that combines ease of use and handling with potentially mass production suitable, easy manufacturability in industrial production, so that it is expected that about just traditional hot melt adhesive solutions also completely new application areas, not last also in the office area, become accessible.
Als weiter vorteilhaft herauszuheben ist zudem der Umstand, dass -- ökologisch sensibel -- mit dieser Heißklebetechnologie das Problem lösungsmittelhaltiger Flüssigkleber vermieden werden kann, welche ansonsten durch portable, flaschenähnliche Lösungen in bekannter Weise aufgetragen werden. Darüber hinaus wird durch den geringen, punktuellen Energieeintrag in effizienter Weise und äußerst schnell ein Auftragen von mechanisch hoch belastbarem, leistungsfähigen Heißkleber gestattet.Another advantage to emphasize is the fact that - environmentally sensitive - with this hot-melt adhesive technology, the problem of solvent-based liquid adhesive can be avoided, which are otherwise applied by portable, bottle-like solutions in a known manner. In addition, the low, selective energy input in an efficient manner and extremely fast application of mechanically strong, powerful hot melt adhesive allowed.
Weitere Vorteile, Merkmale und Einzelheiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung eines bevorzugter Ausführungsbeispiels sowie anhand der Zeichnungen; diese zeigen in
- Fig. 1:
- eine schematische seitliche Schnittansicht der manuellen handhabbaren Vorrichtung zum Auftragen von Klebstoff gemäß einer ersten Ausführungsform mit den wesentlichen, wertbestimmenden Funktionskomponenten;
- Fig. 2, Fig. 3:
- Perspektivansichten einer manuell handhabbaren Vorrichtung zum Auftragen von Klebstoffen gemäß einer zweiten, bevorzugten Ausführungsform;
- Fig. 4:
- eine Perspektivansicht auf das Ausführungsbeispiel der
Fig. 2, 3 mit einer abgenommenen Gehäusehälfte; - Fig. 5:
- eine gegenüber
Fig. 4 verkippt gezeigte perspektivische Ansicht des zweiten Ausführungsbeispiels und - Fig. 6:
- eine mit abgenommenem Gehäuse gezeigte Ansicht der Funktionskomponenten der Vorrichtung gemäß
Fig. 2 bis Fig. 5 .
- Fig. 1:
- a schematic sectional side view of the manual handling device for applying adhesive according to a first embodiment with the essential, value-determining functional components;
- Fig. 2, Fig. 3:
- Perspective views of a manually operable device for applying adhesives according to a second preferred embodiment;
- 4:
- a perspective view of the embodiment of the
Fig. 2, 3rd with a detached housing half; - Fig. 5:
- one opposite
Fig. 4 tilted perspective view of the second embodiment and - Fig. 6:
- a view of the functional components of the device shown with the housing removed
Fig. 2 to Fig. 5 ,
Die in
In einem i.w. hohlzylindrischen Gehäuse 10, welches geeignet aus Kunststoff, Metall od.dgl. realisiert sein kann, ist dabei endseitig eine Batterie 12, z.B. Normgröße AA, aufgenommen, welche mit ihrem abwärts gerichteten Ende einen Anschlag für eine Druckfeder 14 anbietet, welche wiederum einen ansonsten bekannten, zylindrisch-stiftförmigen Klebestift 16 gegen ein endseitig des Gehäuses in einer abschraubbaren Heizspitze 18 vorgesehenes Heizgitter 20 vorspannt.In an iw hollow
Durch Betätigen eines Heizknopfes 22 (die Figur zeigt keine elektrische Verdrahtung zwischen Batterie und Heizgitter) kann eine Bedienperson während des Haltens bzw. Führens des Stifts durch Betätigen von außen Batterieenergie an das Heizgitter anlegen, welches sich daraufhin erwärmt, das dagegen gespannte Ende des Klebestifts abschmilzt und durch das (in der Figur bodenseitig gezeigte) offene Ende der Heizspitze dann flüssiger Heißkleber auf das Auftragsziel austreten kann, mit der Möglichkeit, dieses Abschmelzen bzw. diesen Auftrag feinfühlig dosieren zu können.By operating a heating button 22 (the figure shows no electrical wiring between battery and heater), an operator while holding or guiding the pin by pressing the outside of battery power to create the heater, which then heats up, the opposite end of the glue stick melts and by the (in the figure bottom side shown) open end of the heating tip then hot liquid adhesive can escape to the order target, with the ability to dose this melting or order sensitive.
In einem Kunststoffgehäuse 30 mit dickbauchig-stiftförmiger Kontur, etwa der Form eines Textmarkers, sind die wesentlichen Komponenten der zweiten Ausführungsform realisiert. Auf einer seitlichen Flachseite im Bereich einer eine Auslassöffnung 32 ausbildenden Hülse 34 sitzt ein Betätigungsknopf 36, welcher von einer Bedienperson betätigt werden kann, während diese den Stift in der Art eines Schreibgeräts hält und führt. Der Hülse 34 entgegengesetzt weist das Gehäuse eine i.w. plane Rückseite 38 auf, welche eine rechteckförmige Einschuböffnung 40 für einen Klebstoffstift entsprechend dessen Außenform anbietet. Dieser (in den Fig. nicht gezeigte) Klebstoffstift ist aus typischem Heißklebematerial ausgebildet und weist eine Abschmelztemperatur von ca. 100°C auf, dergestalt, dass bei Erwärmung auf eine Temperatur oberhalb dieser Schmelztemperatur er sich verflüssigt und entsprechend flüssiger Kleber dann mittels der Auslassöffnung 32 auf ein Klebstoffauftragsziel dosiert werden kann. Durch die Öffnung 40 wird dann neuer Kleber in Form stift- bzw. stabförmiger Klebstoffelemente entsprechend rechtwinkligen Querschnitts herangeführt.In a
Das Gehäuse 30 ist als Kunststoff-Schalengehäuse realisiert und weist im Bereich einer Schmalseite in ansonsten bekannter Weise ein Kunststoffscharnier auf, so dass es geeignet auch einstückig als Mantel gefertigt und montiert werden kann.The
Die Schiebehülse 34, vgl. etwa die
Im Gehäuse 30 ist ferner ein Batteriefachraum vorgesehen für (im dargestellten Ausführungsbeispiel) zwei handelübliche AA-Batterien 46, welche in der gezeigten Art zueinander axial ausgerichtet in Reihe geschaltet und mittels (lediglich andeutungsweise gezeigten) Verkablungen bzw. Verdrahtungselementen im Gehäuse 30 so angeschlossen sind, dass mittels eines Kontaktpaares 48, zu betätigen durch den Knopf 36, ein Stromkreis von der Batterie-Reihenschaltung zu einem Heizgitter 50 geschlossen wird, welchesrechteckförmig ausgebildet -- das vordere Ende des Auslassbereiches 32 markiert und als Verflüssigungsmittel für einen von innen über den Kanal 44 herangeführten Klebstoffstift dient. Genauer gesagt wird, wenn der Taster 36 betätigt wird, das Kontaktpaar 48 geschlossen, und Strom der Batterien 46 liegt am Heizgitter 50 so an, dass dieses -- aus Widerstands-Heizdraht oder einem Streckmetall gebildet -- eine erwärmte Fläche anbietet, welche in Kontakt mit der zugewandten Stirnseite des (noch) festen Klebstoffstabes tritt. Durch die Erwärmung wird jedoch der Klebstoffstab in diesem Stirnbereich verflüssigt und kann als Flüssigkleber -- durch das Heizgitter 50 und damit die Auslassöffnung 32 hindurch -- auf ein Klebstoffauftragsziel hindurchtreten, welches vor der Öffnung 32 geeignet geführt ist (etwa durch entsprechendes Halten und Führen der Vorrichtung durch die Bedienperson).In the
Das Ausführungsbeispiel der
Ein Lösen des Tasters 36 durch die Bedienperson bewirkt zunächst, dass das Heizgitter 50 nicht mehr mit Strom versorgt wird; durch die kleinen beteiligten Flächen und die entsprechend niedrige Wärmekapazität kommt es zu einem zügigen Erkalten des Klebstoffs im Bereich der Auslassöffnung 32. Durch dasbewirkt durch das Anheben des Tasters 36 -- Absenken des Eingriffsabschnitts 54 aus dem Kunststoffelement wird dieses in seiner längsfixierten Position gelöst und, bedingt durch Adhäsionskräfte des im Hülsenbereich 34 wirkenden Klebers, mit der durch Wirkung der Feder 42 aus dem Gehäuse herausbewegten Hülse 34 einen vorbestimmten Längenabschnitt transportiert (wobei dieser Längenabschnitt dem Betrag des abgeschmolzenen Klebers entspricht). Auf diese Weise ist damit in sehr einfacher Weise ein automatischer Vorschub des stiftförmigen Klebstoffelements gewährleistet. Zusätzlich kann die Bedienperson durch geeignetes Nachführen eines weiteren Stifts in die Öffnung 40 manuell eingreifen.A release of the
Das auf die gezeigte Weise realisierte Ausführungsbeispiel ermöglicht zudem eine sehr einfache Regelung der Kunststoff-Schmelztemperatur im Gitterbereich: Durch die benötigte Schmelzwärme bei kontinuierlich abschmelzendem Klebstoff kann bei geeigneter Parametrisierung des Metall- bzw. Drahtmaterials für das Heizgitter bzw. Heißklebers eine Regelwirkung dergestalt herbeigeführt werden, dass ein durch das Gitter fließender Heizstrom das Gitter auf einer konstanten Temperatur hält, welche einerseits ein kontinuierliches, zügiges Abschmelzen des stirnseitigen Klebstiftendes ermöglicht, andererseits nicht durch übermäßige Hitze das Gitter beschädigt oder unnötig viel Heizstrom benötigt wird. Während prinzipiell beliebige Widerstandsmaterialien geeignet sind, hat es sich weiterbildungsgemäß insbesondere als bevorzugt herausgestellt, Widerstandsdrahtmaterialien mit PTC-Charakteristik (PTC = positive temperature coefficient, d.h. steigender elektrischer Widerstand bei zunehmender Erwärmung) einzusetzen, da damit die gewünschte Temperaturregelung vereinfacht ist; ergänzend oder alternativ können zusätzliche Widerstandselemente (ggf. auch mit PTC-Charakteristik) in den Stromkreis eingeschleift werden.The realized in the manner shown embodiment also allows a very simple control of the plastic melting temperature in the grid area: Due to the required heat of fusion with continuously melting adhesive can be brought about with such a suitable parameterization of the metal or wire material for the heating grid or hot glue a regulatory effect, that a current flowing through the grid heating current keeps the grid at a constant temperature, which on the one hand allows a continuous, rapid melting of the front adhesive end, on the other hand not damaged by excessive heat grid or unnecessarily much heating current is needed. While in principle any resistor materials are suitable, it has turned out to be particularly preferred to use resistance wire materials with PTC characteristic (PTC = positive temperature coefficient, i.e. increasing electrical resistance with increasing heating), since this simplifies the desired temperature control; Additionally or alternatively, additional resistance elements (possibly also with PTC characteristic) can be looped into the circuit.
Die vorliegende Erfindung ist nicht auf die beschriebenen Funktions- und Wirkungsmechanismen betreffend die Gitterstruktur, Stiftvorschub, elektrische Beschaltung od.dgl. beschränkt; vielmehr liegt es im Rahmen der Erfindung, die erfindungsgemäßen Grundansätze auch für andere Anwendungsgebiete geeignet einzusetzen, die andere konstruktive Realisierungen benötigen. So ist es insbesondere von der vorliegenden Erfindung umfasst, einen anderen Vorschubmechanismus für ein stabförmiges Klebstoffelement auszubilden, welches etwa unmittelbar am Element angreift, oder andere (elektrische) Beheizungsvarianten zur Ausgestaltung der Mittel zum Verflüssigen zu wählen, etwa mittels eines Streckmetalls, beheizter Kammern, Waben od.dgl.The present invention is not limited to the described functional and action mechanisms concerning the grid structure, pen feed, electrical wiring or the like. limited; Rather, it is within the scope of the invention to use the basic approaches according to the invention also suitable for other fields of application that require other constructive realizations. Thus, it is in particular of the present invention to form a different feed mechanism for a rod-shaped adhesive element which acts approximately directly on the element, or other (electrical) Heizungsvarianten to choose the design of the means for liquefying, such as by means of an expanded metal, heated chambers, honeycomb or the like.
Die vorliegende Erfindung ermöglicht auf die gezeigte Weise das einfache Realisieren einer hochgradig bedienungsfreundlichen Klebstoff-Auftragsvorrichtung, welche den traditionellen netzgebundenen Geräten zugänglichen Werkstoff "Heißkleber" nunmehr auch weiteren Anwendungsgebieten zugänglich machen wird. Nicht zuletzt ist der Schreibgerätecharakter der gezeigten Ausführungsbeispiele (hierauf ist die vorliegende Erfindung natürlich nicht beschränkt) ein Indiz dafür, dass möglicherweise auch der Bürobereich ein Einsatzgebiet für diese Technologie werden könnte.The present invention allows in the manner shown, the simple realization of a highly user-friendly adhesive applicator device, which will make the traditional network-bound devices accessible material "hot melt adhesive" now also in other fields of application. Not least, the writing instrument character of the embodiments shown (of course, the present invention is not limited) is an indication that possibly the office area could become a field of application for this technology.
Claims (11)
dadurch gekennzeichnet, dass
das Gehäuse langgestreckt in Stiftform und so ausgebildet ist, dass es manuell in der Art eines Schreibstifts zum Klebstoffauftrag auf ein gehäuseexternes Klebstoffauftragsziel geführt werden kann und die Mittel zum Verflüssigen eine eine Temperaturregelung bewirkende elektrische Widerstandscharakteristik aufweisen oder elektrisch mit einem eine Temperaturabhängigkeit aufweisenden elektrischen Widerstandselement zusammenwirken.A manually operable adhesive applicator comprising a housing (10; 30) adapted to receive a solid, electrically conductive, fluidizing means for liquefying, preferably pen or rod shaped adhesive member having an outlet port (18; 32) for discharging the liquefied one end Adhesive offers,
characterized in that
the housing is elongated in the form of a pen and adapted to be manually guided in the manner of a pen for applying adhesive to a housing external adhesive application target and the means for liquefying have a temperature control causing electrical resistance characteristic or electrically cooperating with a temperature dependence having electrical resistance element.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE202006010900 | 2006-07-13 | ||
EP07786068A EP2043790B1 (en) | 2006-07-13 | 2007-07-13 | Device for the application of adhesive |
Related Parent Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07786068A Division-Into EP2043790B1 (en) | 2006-07-13 | 2007-07-13 | Device for the application of adhesive |
EP07786068A Division EP2043790B1 (en) | 2006-07-13 | 2007-07-13 | Device for the application of adhesive |
EP07786068.2 Division | 2007-07-13 |
Publications (2)
Publication Number | Publication Date |
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EP2465615A1 true EP2465615A1 (en) | 2012-06-20 |
EP2465615B1 EP2465615B1 (en) | 2016-03-09 |
Family
ID=38606865
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07786068A Active EP2043790B1 (en) | 2006-07-13 | 2007-07-13 | Device for the application of adhesive |
EP12159536.7A Active EP2465615B1 (en) | 2006-07-13 | 2007-07-13 | Device for the application of adhesive |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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EP07786068A Active EP2043790B1 (en) | 2006-07-13 | 2007-07-13 | Device for the application of adhesive |
Country Status (3)
Country | Link |
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EP (2) | EP2043790B1 (en) |
DE (1) | DE202007019263U1 (en) |
WO (1) | WO2008006619A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202008003259U1 (en) | 2008-03-06 | 2009-07-16 | Steinel Gmbh | PTC element |
DE102010030636B4 (en) | 2010-06-29 | 2023-12-28 | Robert Bosch Gmbh | Hot glue device |
CN102357449A (en) * | 2011-08-25 | 2012-02-22 | 江铃汽车股份有限公司 | Sealant coating tool |
DE102022211276A1 (en) | 2022-10-25 | 2024-04-25 | Robert Bosch Gesellschaft mit beschränkter Haftung | Adhesive device |
DE102022211279A1 (en) | 2022-10-25 | 2024-04-25 | Robert Bosch Gesellschaft mit beschränkter Haftung | Adhesive device |
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US1769437A (en) * | 1929-07-02 | 1930-07-01 | Jr Fred C Kromer | Electric waxing pencil |
US2815429A (en) * | 1954-12-10 | 1957-12-03 | Kamborian Jacob S | Device for melting adhesive |
US3298572A (en) * | 1965-04-09 | 1967-01-17 | United Shoe Machinery Corp | Cement dispensers |
US3459335A (en) * | 1967-03-03 | 1969-08-05 | David J Cohen | Manual dispenser for heated adhesive |
US3539481A (en) * | 1968-06-17 | 1970-11-10 | Us Plywood Champ Papers Inc | Adhesive stick |
EP0170488A2 (en) * | 1984-07-28 | 1986-02-05 | Bostik Limited | Melt dispensers |
US5236269A (en) * | 1993-01-14 | 1993-08-17 | Mattel, Inc. | Battery-powered dispenser for hot melt adhesive |
US5540357A (en) * | 1994-08-10 | 1996-07-30 | Loctite Corporation | Microwaveable adhesive charge comprising shaped adhesive body |
US5662243A (en) * | 1995-10-04 | 1997-09-02 | Nordson Corporation | Melting apparatus with material release sensing system |
US5718356A (en) * | 1990-08-06 | 1998-02-17 | Nottingham-Spirk Design Associates, Inc. | Dispensing apparatus for hot melt materials that employs microwave energy |
WO2003013737A1 (en) * | 2001-08-08 | 2003-02-20 | Henkel Kommanditgesellschaft Auf Aktien | Device and method for applying a solid substance that can be applied by the action of heat |
-
2007
- 2007-07-13 EP EP07786068A patent/EP2043790B1/en active Active
- 2007-07-13 WO PCT/EP2007/006263 patent/WO2008006619A1/en active Application Filing
- 2007-07-13 DE DE200720019263 patent/DE202007019263U1/en not_active Expired - Lifetime
- 2007-07-13 EP EP12159536.7A patent/EP2465615B1/en active Active
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1769437A (en) * | 1929-07-02 | 1930-07-01 | Jr Fred C Kromer | Electric waxing pencil |
US2815429A (en) * | 1954-12-10 | 1957-12-03 | Kamborian Jacob S | Device for melting adhesive |
US3298572A (en) * | 1965-04-09 | 1967-01-17 | United Shoe Machinery Corp | Cement dispensers |
US3459335A (en) * | 1967-03-03 | 1969-08-05 | David J Cohen | Manual dispenser for heated adhesive |
US3539481A (en) * | 1968-06-17 | 1970-11-10 | Us Plywood Champ Papers Inc | Adhesive stick |
EP0170488A2 (en) * | 1984-07-28 | 1986-02-05 | Bostik Limited | Melt dispensers |
US5718356A (en) * | 1990-08-06 | 1998-02-17 | Nottingham-Spirk Design Associates, Inc. | Dispensing apparatus for hot melt materials that employs microwave energy |
US5236269A (en) * | 1993-01-14 | 1993-08-17 | Mattel, Inc. | Battery-powered dispenser for hot melt adhesive |
US5540357A (en) * | 1994-08-10 | 1996-07-30 | Loctite Corporation | Microwaveable adhesive charge comprising shaped adhesive body |
US5662243A (en) * | 1995-10-04 | 1997-09-02 | Nordson Corporation | Melting apparatus with material release sensing system |
WO2003013737A1 (en) * | 2001-08-08 | 2003-02-20 | Henkel Kommanditgesellschaft Auf Aktien | Device and method for applying a solid substance that can be applied by the action of heat |
Also Published As
Publication number | Publication date |
---|---|
EP2043790A1 (en) | 2009-04-08 |
WO2008006619A1 (en) | 2008-01-17 |
EP2043790B1 (en) | 2012-09-19 |
EP2465615B1 (en) | 2016-03-09 |
DE202007019263U1 (en) | 2011-08-23 |
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