EP0153431A1 - Hot-adhesive gun - Google Patents

Hot-adhesive gun Download PDF

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Publication number
EP0153431A1
EP0153431A1 EP84102136A EP84102136A EP0153431A1 EP 0153431 A1 EP0153431 A1 EP 0153431A1 EP 84102136 A EP84102136 A EP 84102136A EP 84102136 A EP84102136 A EP 84102136A EP 0153431 A1 EP0153431 A1 EP 0153431A1
Authority
EP
European Patent Office
Prior art keywords
glue gun
hot
hot glue
hot air
gun according
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
Application number
EP84102136A
Other languages
German (de)
French (fr)
Other versions
EP0153431B1 (en
Inventor
Heinrich Wolfgang Steinel
Hans Siwon
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.)
Steinel GmbH and Co KG
Original Assignee
Steinel GmbH and Co KG
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 Steinel GmbH and Co KG filed Critical Steinel GmbH and Co KG
Priority to EP84102136A priority Critical patent/EP0153431B1/en
Priority to DE8484102136T priority patent/DE3465170D1/en
Priority to AT84102136T priority patent/ATE28731T1/en
Priority to US06/703,930 priority patent/US4642158A/en
Priority to JP60037724A priority patent/JPS60206467A/en
Publication of EP0153431A1 publication Critical patent/EP0153431A1/en
Application granted granted Critical
Publication of EP0153431B1 publication Critical patent/EP0153431B1/en
Expired legal-status Critical Current

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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
    • B05C17/00523—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
    • B05C17/00546—Details of the heating means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/17—Surface bonding means and/or assemblymeans with work feeding or handling means
    • Y10T156/1788—Work traversing type and/or means applying work to wall or static structure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/17—Surface bonding means and/or assemblymeans with work feeding or handling means
    • Y10T156/1798—Surface bonding means and/or assemblymeans with work feeding or handling means with liquid adhesive or adhesive activator applying means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/18—Surface bonding means and/or assembly means with handle or handgrip

Definitions

  • the present invention relates to hot glue guns for melting and discharging a meltable adhesive, with a guide channel for the adhesive to be melted and a discharge nozzle at one end of the guide channel, and with a heating device for melting the adhesive.
  • hot glue guns of this type known from practice, electrical heating devices in the form of heating cartridges are used, which lie parallel to the guide channel in the gun body.
  • hot glue guns of this type work satisfactorily for many applications, it is disadvantageous in some cases that the material to be glued is only heated by the glue itself. In particular in the case of a product to be bonded which has a high thermal capacity and / or high thermal conductivity, the adhesive solidifies rapidly and optimal bonding is not achieved.
  • the usual handling of the hot glue gun not only applies the melted glue to the surfaces to be glued, but at the same time a hot air flow is directed onto the surfaces to be glued by means of the hot air blower. This heats them up so that the molten adhesive solidifies less quickly, leaving sufficient time for wetting the surfaces to be bonded.
  • the amount of heat required for melting the adhesive is taken from the hot air flow of the hot air blower and transferred to the guide channel. It therefore also contains the previously used heating device for the adhesive.
  • the hot air blower is detachably attached to the hot glue gun, which not only makes it easier to replace it in the event of a repair than with the guns known in the prior art, but also, if desired, the hot air blower can be used independently of the hot glue gun.
  • the hot air blower is preferably releasably attached to the outside of the hot glue gun by means of a dovetail guide.
  • a dovetail guide For a balanced weight distribution for better handling of the hot glue gun, it is favorable to arrange the dovetail groove and tongue in the end area of the hot glue gun opposite the discharge nozzle or in the middle longitudinal area of the hot air blower.
  • the dovetail groove or tongue is preferably arranged on the top of the hot glue gun opposite the handle of the hot glue gun.
  • the dovetail guide can be designed with a width that decreases in the direction of the discharge nozzle and the mouth end.
  • the axes of the discharge nozzle of the guide channel and the mouth end of the hot air blower are inclined at an acute angle to one another.
  • the angle is approximately between 5 0 and 30 °.
  • the heat transfer device in the region of the mouth end of the hot air blower.
  • a particularly simple and effective heat transfer results when the heat transfer device projects into the hot air area with a lamella arrangement.
  • the lamella arrangement advantageously has essentially parallel lamellae.
  • the slats can also be arranged crosswise or lattice-shaped. An arrangement of the fins such that they extend essentially in the longitudinal direction of the hot air region is particularly favorable. Of course, it is also possible to arrange the slats transversely so that they are the same. take over the function of a baffle plate in good time.
  • the lamella arrangement is surrounded by a sleeve element which receives the mouth end of the hot air blower.
  • a particularly intensive heat transfer results when the heat transfer device is formed in one piece with the guide channel and / or the discharge nozzle.
  • the lamella arrangement In order to change the temperature of the adhesive in the guide channel, it is advantageous to design the lamella arrangement so that it can be swung out completely or partially from the hot air area. In this context, it is also favorable to design the entire heat transfer device or the lamella arrangement to be interchangeable.
  • the heat transfer device is preferably also designed to support the hot air blower.
  • FIG. 1 The exemplary embodiment of a hot-melt glue gun 1 according to the invention shown in FIG. 1 comprises a gun housing 4 with a handle 5 for a fusible glue 3 and an electric hot-air blower 6.
  • a discharge nozzle 7 for the molten adhesive 3 is screwed into the free end of an end piece 8 of the guide channel 2 protruding from the gun housing 4 or otherwise detachably fastened.
  • an insert 9 which widens towards its free end, through which the adhesive in the solid state is introduced in the form of an adhesive rod.
  • a ball valve 10 is arranged therein, which opens only when a certain pressure is exceeded in the direction of the free end of the discharge nozzle 7.
  • the hot air blower 6 is detachably fastened by means of a dovetail guide 11, which is only shown schematically, on the upper side of the gun housing 4 opposite the handle 5.
  • a dovetail guide 11 which is only shown schematically, on the upper side of the gun housing 4 opposite the handle 5.
  • part of the dovetail guide 11, namely the dovetail groove, is formed on the end of the gun housing 4 opposite the discharge nozzle 7, while the dovetail spring is arranged on the central longitudinal region 12 of the hot air blower 6.
  • a heat transfer device 13 is integrally connected to the end piece 8 of the guide channel 2 and at the same time is designed as a support for the mouth end 14 of the hot air blower 6.
  • the guide channel 2 including the discharge nozzle 7 and the hot air blower 6 including the mouth end 14 are inclined, including an acute angle 15, approximately in the direction of their free ends.
  • the acute angle 15 is approximately 12 ° in the present exemplary embodiment.
  • the heat transfer device 13 has a lamella arrangement 16 which projects into the hot air flow emerging from the mouth end 14 of the hot air blower 6, i.e. is arranged outside the hot air blower.
  • the lamella arrangement 13 has lamellas 17 which are arranged crosswise and are surrounded by a sleeve element 18 which receives the mouth end 14 of the hot air blower 6.
  • a part of the sleeve element 18 and the mouth end 14 are designed to run like a nozzle.
  • the lamella arrangement 16 consists of essentially parallel lamellas 19 which protrude into the hot air flow emerging from the mouth end 14.
  • the hot air blower 6 and the guide channel 2 are arranged in one plane, so that the imaginary extensions of their longitudinal axes including the acute angle intersect at an intersection.
  • the fins 17 and 19 extend in or parallel to this plane, i.e. they run in the longitudinal direction of the hot air flow.
  • the free end of the heat transfer device 13 is set back from the free end of the discharge nozzle 7.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Coating Apparatus (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

Heißklebepistole zum Schmelzen und Austragen eines schmelzbaren Klebers (3), mit einem Heißluftgebläse (6) zum Beheizen der Klebestelle, wobei der Heißluftstrom gleichzeitig als Wärmequelle für den zu schmelzenden Kleber dient.Hot glue gun for melting and discharging a meltable adhesive (3), with a hot air blower (6) for heating the adhesive point, the hot air flow simultaneously serving as a heat source for the adhesive to be melted.

Description

Die vorliegende Erfindung bezieht sich auf Heißklebepistolen zum Schmelzen und Austragen eines schmelzbaren Klebers, mit einem Führungskanal für den zu schmelzenden Kleber und einer Austragsdüse an einem Ende des Führungskanals sowie mit einer Heizvorrichtung zum Schmelzen des Klebers.The present invention relates to hot glue guns for melting and discharging a meltable adhesive, with a guide channel for the adhesive to be melted and a discharge nozzle at one end of the guide channel, and with a heating device for melting the adhesive.

Bei den aus der Praxis bekannten Heißklebepistolen dieser Art werden elektrische Heizvorrichtungen in Form von Heizpatronen verwendet, die zum Führungskanal parallel im Pistolenkörper liegen. Obwohl Heißklebepistolen dieser Art für viele Anwendungsfälle befriedigend arbeiten ist es in manchen Fällen nachteilig, daß das zu klebende Gut nur über den Kleber selbst erwärmt wird. Insbesondere bei einem eine hohe Wärmekapazität und/ oder hohe Wärmeleitfähigkeit aufweisenden zu klebendem Gut erstarrt der Kleber rasch und es wird keine optimale Klebung erzielt.In the hot glue guns of this type known from practice, electrical heating devices in the form of heating cartridges are used, which lie parallel to the guide channel in the gun body. Although hot glue guns of this type work satisfactorily for many applications, it is disadvantageous in some cases that the material to be glued is only heated by the glue itself. In particular in the case of a product to be bonded which has a high thermal capacity and / or high thermal conductivity, the adhesive solidifies rapidly and optimal bonding is not achieved.

Es ist Aufgabe der vorliegenden Erfindung, eine Heißklebepistole der eingangs erwähnten Art in einfacher Weise so weiterzubilden, daß bei leichter Handhabung durch eine Person Klebeverbindungen mit höherer Festigkeit hergestellt werden können.It is an object of the present invention to further develop a hot-melt glue gun of the type mentioned at the outset in such a way that, with easy handling by one person, adhesive bonds with higher strength can be produced.

Diese Aufgabe wird mit den kennzeichnenden Merkmalen des Anspruches 1 gelöst.This object is achieved with the characterizing features of claim 1.

Durch übliche Handhabung der Heißklebepistole wird nicht nur der geschmolzene Kleber auf die zu verklebenden Flächen aufgetragen, sondern es wird gleichzeitig mittels des Heißluftgebläses eine Heißluftströmung auf die zu verklebenden Flächen gerichtet. Diese werden dadurch aufgeheizt, so daß der geschmolzene Kleber weniger schnell erstarrt, und somit ausreichend Zeit zum Benetzen der zu verklebenden Flächen bleibt. Darüber hinaus wird mittels der Wärmeübertragungseinrichtung die für das Schmelzen des Klebers erforderliche Wärmemenge der Heißluftströmung des Heißluftgebläses entnommen und auf den Führungskanal übertragen. Es enthält somit auch die bisher übliche Heizvorrichtung für den Kleber.The usual handling of the hot glue gun not only applies the melted glue to the surfaces to be glued, but at the same time a hot air flow is directed onto the surfaces to be glued by means of the hot air blower. This heats them up so that the molten adhesive solidifies less quickly, leaving sufficient time for wetting the surfaces to be bonded. In addition, by means of the heat transfer device, the amount of heat required for melting the adhesive is taken from the hot air flow of the hot air blower and transferred to the guide channel. It therefore also contains the previously used heating device for the adhesive.

Vorteilhafterweise ist das Heißluftgebläse lösbar an der Heißklebepistole befestigt, wodurch sich nicht nur ein Austausch im Falle einer Reparatur leichter als bei den im Stand der Technik bekannten Pistolen durchführen läßt, sondern das Heißluftgebläse auch, falls erwünscht, unabhängig von der Heißklebepistole benutzt werden kann.Advantageously, the hot air blower is detachably attached to the hot glue gun, which not only makes it easier to replace it in the event of a repair than with the guns known in the prior art, but also, if desired, the hot air blower can be used independently of the hot glue gun.

In einer bevorzugten Weiterbildung ist das Heißluftgebläse vorzugsweise mittels einer Schwalbenschwanzführung an der Außenseite der Heißklebepistole lösbar befestigt. Für eine ausgewogene Gewichtsverteilung zwecks besserer Handhabung der Heißklebepistole ist es günstig, die Schwalbenschwanznut und -feder in dem zur Austragsdüse entgegengesetzten Endbereich der Heißklebepistole bzw. im mittler en Längshereich des Heißluftgebläses anzuordnen. Hierbei ist die Schwalbenschwanznut oder -feder vorzugsweise an der dem Griff der Heißklebepistole gegenüberliegenden Oberseite der Heißklebepistole angeordnet.In a preferred development, the hot air blower is preferably releasably attached to the outside of the hot glue gun by means of a dovetail guide. For a balanced weight distribution for better handling of the hot glue gun, it is favorable to arrange the dovetail groove and tongue in the end area of the hot glue gun opposite the discharge nozzle or in the middle longitudinal area of the hot air blower. Here, the dovetail groove or tongue is preferably arranged on the top of the hot glue gun opposite the handle of the hot glue gun.

Zur Erzielung eines sicheren Sitzes kann die Schwalbenschwanzführung mit einer sich in Richtung zur Austragsdüse und zum Mündungsende verringernden Breite-ausgebildet sein.To achieve a secure fit, the dovetail guide can be designed with a width that decreases in the direction of the discharge nozzle and the mouth end.

Gemäß einer Weiterbildung der Erfindung sind die Achsen der Austragsdüse des Führungskanals und des Mündungsendes des Heißluftgebläses unter einem spitzen Winkel gegeneinander geneigt. Der Winkel beträgt etwa zwischen 5 0 und 30 °.According to a development of the invention, the axes of the discharge nozzle of the guide channel and the mouth end of the hot air blower are inclined at an acute angle to one another. The angle is approximately between 5 0 and 30 °.

Es ist vorteilhaft, die Wärmeübertragungseinrichtung im Bereich des Mündungsendes des Heißluftgebläses anzuordnen. Eine besonders einfache und wirkungsvolle Wärmeübertragung ergibt sich dann, wenn die Wärmeübertragungseinrichtung mit einer Lamellenanordnungin den Heißluftbereich hineinragt. Die Lamellenanordnung weist vorteilhafterweise im wesentlchen parallele Lamellen auf. Die Lamellen können aber auch kreuzweise oder gitterförmig angeordnet sein. Besonders günstig ist eine Anordnung der Lamellen derart, daß sie sich im wesentlichen in Längsrichtung des Heißluftbereichs erstrecken. Natürlich ist es auch möglich, die Lamellen quer anzuordnen, so daß sie gleich- . zeitig die Funktion einer Prallblechanordnung übernehmen.It is advantageous to arrange the heat transfer device in the region of the mouth end of the hot air blower. A particularly simple and effective heat transfer results when the heat transfer device projects into the hot air area with a lamella arrangement. The lamella arrangement advantageously has essentially parallel lamellae. The slats can also be arranged crosswise or lattice-shaped. An arrangement of the fins such that they extend essentially in the longitudinal direction of the hot air region is particularly favorable. Of course, it is also possible to arrange the slats transversely so that they are the same. take over the function of a baffle plate in good time.

Gemäß einer Weiterbildung der Erfindung ist die Lamellenanordnung von einem Hülsenelement umgeben, das das Mündungsende des Heißluftgebläses aufnimmt.According to a development of the invention, the lamella arrangement is surrounded by a sleeve element which receives the mouth end of the hot air blower.

Eine besonders intensive Wärmeübertragung ergibt sich bei einstückiger Ausbildung der Wärmeübertragungseinrichtung mit dem Führungskanal und/oder der Austragsdüse.A particularly intensive heat transfer results when the heat transfer device is formed in one piece with the guide channel and / or the discharge nozzle.

Um die Temperatur des Klebers im Führungskanal zu verändern, ist es vorteilhaft, die Lamellenanordnung aus dem Heißluftbereich ganz oder teilweise ausschwenkbar auszubilden. In diesem Zusammenhang ist es auch günstig, die gesamte Wärmeübertragungseinrichtung oder die Lamellenanordnung auswechselbar auszubilden.In order to change the temperature of the adhesive in the guide channel, it is advantageous to design the lamella arrangement so that it can be swung out completely or partially from the hot air area. In this context, it is also favorable to design the entire heat transfer device or the lamella arrangement to be interchangeable.

Vorzugsweise ist die Wärmeübertragungseinrichtung auch zur Abstützung des Heißluftgebläses ausgebildet.The heat transfer device is preferably also designed to support the hot air blower.

Nachstehend ist die Erfindung anhand zweier Ausführungsbeispiele unter Bezugnahme auf die beigefügte Zeichnung näher beschrieben.The invention is described in more detail below using two exemplary embodiments with reference to the accompanying drawing.

Es zeigen:

  • Figur 1 eine erfindungsgemäße Heißklebepistole in teilgeschnittener Seitenansicht,
  • Figur 2 den Mündungsbereich der in Figur 1 dargestellten Heißklebepistole in teilgeschnittener Seitenansicht,
  • Figur 3 eine Vorderansicht des in Figur 2 dargestellten Mündungsbereichs, jedoch ohne Austragsdüse,
  • Figur 4 eine teilgeschnittene Seitenansicht des Mündungsbereichs gemäß einer anderen Ausführungsform,
  • Figur 5 eine Vorderansicht des in Figur 4 dargestellten Mündungsbereichs, jedoch ohne Austragsdüse.
Show it:
  • FIG. 1 shows a hot-glue gun according to the invention in a partially sectioned side view,
  • FIG. 2 shows the mouth region of the hot glue gun shown in FIG. 1 in a partially sectioned side view,
  • FIG. 3 shows a front view of the mouth region shown in FIG. 2, but without the discharge nozzle,
  • FIG. 4 shows a partially sectioned side view of the mouth area according to another embodiment,
  • Figure 5 is a front view of the mouth region shown in Figure 4, but without the discharge nozzle.

Das in Figur 1 dargestellte.Ausführungsbeispiel einer erfindungsgemäßen Heißklebepistole 1 umfaßt ein einen Führungskanal 2 für einen schmelzbaren Kleber 3 aufnehmendes Pistolengehäuse 4 mit einem Händgriff 5 sowie ein elektrisches Heißluftgebläse 6.The exemplary embodiment of a hot-melt glue gun 1 according to the invention shown in FIG. 1 comprises a gun housing 4 with a handle 5 for a fusible glue 3 and an electric hot-air blower 6.

Eine Austragsdüse 7 für den geschmolzenen Kleber 3 ist in das freie Ende eines aus dem Pistolengehäuse 4 herausragenden Endstücks 8 des Führungskanals 2 eingeschraubt oder anderweitig lösbar befestigt. Am gegenüberliegenden Ende des Führungskanals 2 ist eine sich in Richtung zu ihrem freien Ende erweiternde Einstecktülle 9 angebracht, durch die hindurch der im festen Zustand befindliche Kleber in Form eines Kleberstabes eingeführt wird. Um ein unbeabsichtigtes Austreten des innerhalb des Führungskanals 2 geschmolzenen Klebers 3 aus der Austragsdüse 7 zu vermeiden, ist innerhalb derselben ein Kugelventil 10 angeordnet, welches nur bei Überschreitung eines bestimmten Drucks in Richtung zum freien Ende der Austragsdüse 7 öffnet.A discharge nozzle 7 for the molten adhesive 3 is screwed into the free end of an end piece 8 of the guide channel 2 protruding from the gun housing 4 or otherwise detachably fastened. At the opposite end of the guide channel 2 there is an insert 9 which widens towards its free end, through which the adhesive in the solid state is introduced in the form of an adhesive rod. In order to prevent the adhesive 3 melted within the guide channel 2 from inadvertently escaping from the discharge nozzle 7, a ball valve 10 is arranged therein, which opens only when a certain pressure is exceeded in the direction of the free end of the discharge nozzle 7.

Das Heißluftgebläse 6 ist mittels einer lediglich schematisch dargestellten Schwalbenschwanzführung 11 an der dem Handgriff 5 gegenüberliegenden Oberseite des Pistolengehäuses 4 lösbar befestigt. Im vorliegenden Ausführungsbeispiel ist der eine Teil der Schwalbenschwanzführung 11, nämlich die Schwalbenschwanznut an dem der Austragsdüse 7 gegenüberliegenden Ende des Pistolengehäuses 4 ausgebildet, während die Schwalbenschwanzfeder am mittleren Längsbereich 12 des Heißluftgebläses 6 angeordnet ist.The hot air blower 6 is detachably fastened by means of a dovetail guide 11, which is only shown schematically, on the upper side of the gun housing 4 opposite the handle 5. In the present exemplary embodiment, part of the dovetail guide 11, namely the dovetail groove, is formed on the end of the gun housing 4 opposite the discharge nozzle 7, while the dovetail spring is arranged on the central longitudinal region 12 of the hot air blower 6.

Eine Wärmeübertragsungseinrichtung 13 ist einstückig mit dem Endstück 8 des Führungskanals 2 verbunden und gleichzeitig als Auflage für das Mündungsende 14 des Heißluftgebläses 6 ausgebildet. Der Führungskanal 2 einschließlich der Austragsdüse 7 und das Heißluftgebläse 6 einschließlich des Mündungsendes 14 sind unter Einschluß eines spitzen Winkels 15, sich in Richtung ihrer freien Enden einander annähernd, schräg gestellt. Der spitze Winkel 15 beträgt im vorliegenden Ausführungsbeispiel etwa 12 °.A heat transfer device 13 is integrally connected to the end piece 8 of the guide channel 2 and at the same time is designed as a support for the mouth end 14 of the hot air blower 6. The guide channel 2 including the discharge nozzle 7 and the hot air blower 6 including the mouth end 14 are inclined, including an acute angle 15, approximately in the direction of their free ends. The acute angle 15 is approximately 12 ° in the present exemplary embodiment.

Die Wärmeübertragungseinrichtung 13 weist eine Lamellenanordnung 16 auf, die in die aus dem Mündungsende 14 des Heißluftgebläses 6 austretende Heißluftströmung hineinragt, d.h. außerhalb des Heißluftgebläses angeordnet ist.The heat transfer device 13 has a lamella arrangement 16 which projects into the hot air flow emerging from the mouth end 14 of the hot air blower 6, i.e. is arranged outside the hot air blower.

Gemäß den Figuren 2 und 3 weist die Lamellenanordnung 13 kreuzweise angeordnete Lamellen 17 auf, die von einem Hülsenelement 18 umgeben sind, welches das Mündungsende 14 des Heißluftgebläses 6 aufnimmt. Ein Teil des Hülsenelementes 18 und des Mündungsendes 14 sind düsenartig verlaufend ausgebildet.According to FIGS. 2 and 3, the lamella arrangement 13 has lamellas 17 which are arranged crosswise and are surrounded by a sleeve element 18 which receives the mouth end 14 of the hot air blower 6. A part of the sleeve element 18 and the mouth end 14 are designed to run like a nozzle.

Gemäß den Figuren 4 und 5 besteht die Lamellenanordnung 16 aus im wesentlichen parallelen Lamellen 19, die in die aus dem Mündungsende 14 austretende Heißluftströmung hineinragen. Das Heißluftgebläse 6 und der Führungskanal 2 sind in einer Ebene angeordnet, so daß die gedachten Verlängerungen ihrer den spitzen Winkel einschließenden Längsachsen sich in einem Schnittpunkt schneiden. Die Lamellen 17 und 19 erstrecken sich in bzw. parallel zu dieser Ebene, d.h. sie verlaufen in Längsrichtung der Heißluftströmung. Das freie Ende der Wärmeübertragungseinrichtung 13 ist gegenüber dem freien Ende der Austragsdüse 7 zurückgesetzt.According to FIGS. 4 and 5, the lamella arrangement 16 consists of essentially parallel lamellas 19 which protrude into the hot air flow emerging from the mouth end 14. The hot air blower 6 and the guide channel 2 are arranged in one plane, so that the imaginary extensions of their longitudinal axes including the acute angle intersect at an intersection. The fins 17 and 19 extend in or parallel to this plane, i.e. they run in the longitudinal direction of the hot air flow. The free end of the heat transfer device 13 is set back from the free end of the discharge nozzle 7.

Die Funktionsweise der erfindungsgemäßen Heißklebepistole ist wie folgt:

  • Ein Kleberstab 3 wird durch die Einstecktülle 9 hindurch in den Führungskanal 2 eingeschoben. Durch Einführen weiterer Kleberstäbe und Verschieben derselben mittels des Daumens erfolgt deren Transport innerhalb des Führungskanals 2 in Richtung zur Austragsdüse 7. Die vom eingeschalteten Heißluftgebläse 6 austretende Heißluft strömt an den Lamellen 17 bzw. 19 der Lamellenanordnung 16 vorbei, heizt diese auf, so daß die aufgenommene Wärme auf das Endstück 8 des Führungskanals 2 sowie auf die Austragsdüse 7 übertragen wird. Der zuerst in den Führungskanal 2 eingechobene Kleberstab wird mit zunehmender Annäherung an das Endstück 8 erwärmt, schmilzt bei Erreichen des Endstückes 8 und tritt dann aus der Austragsdüse 7 aus. Durch Ausübung eines entsprechenden Drucks auf den aus der Einstecktülle 9 herausragenden Kleberstab 3 wird der Widerstand des Kugelventils 9 überwunden, so daß dieses öffnet.
The hot glue gun according to the invention works as follows:
  • An adhesive rod 3 is inserted through the insert 9 into the guide channel 2. By inserting further adhesive rods and moving them by means of the thumb, they are transported within the guide channel 2 in the direction of the discharge nozzle 7. The hot air emerging from the switched-on hot air blower 6 flows past the fins 17 and 19 of the finned arrangement 16, heats them up, so that the absorbed heat is transferred to the end piece 8 of the guide channel 2 and to the discharge nozzle 7. The adhesive rod first inserted into the guide channel 2 is heated as it approaches the end piece 8, melts when the end piece 8 is reached and then emerges from the discharge nozzle 7. By applying appropriate pressure on the stick 3 protruding from the insert 9, the resistance of the ball valve 9 is overcome so that it opens.

Claims (17)

1. Heißklebepistole (1) zum Schmelzen und Austragen eines schmelzbaren Klebers (3) mit einem Führungskanal (2) für den zu schmelzenden Kleber (3) und einer Austragsdüse (7) an einem Ende des Führungskanals (2) sowie mit einer Heizvorrichtung (6) zum Schmelzen des Klebers (3), dadurch gekennzeichnet, daß die Heizvorrichtung (6) als Heißluftgebläse (6) ausgebildet ist, daß das Mündungsende (14) des Heißluftgebläses (6) im Bereich der Austragsdüse (7) angeordnet ist, und daß eine Wärmeübertragungseinrichtung (13) vorgesehen ist, die mit dem Führungskanal (2) und/oder der Austragsdüse (7) verbunden ist und in den Heißluftbereich des Heißluftgebläses (6) hineinragt.1. Hot glue gun (1) for melting and discharging a meltable adhesive (3) with a guide channel (2) for the adhesive to be melted (3) and a discharge nozzle (7) at one end of the guide channel (2) and with a heating device (6 ) for melting the adhesive (3), characterized in that the heating device (6) is designed as a hot air blower (6), that the mouth end (14) of the hot air blower (6) is arranged in the region of the discharge nozzle (7), and that one Heat transfer device (13) is provided, which is connected to the guide channel (2) and / or the discharge nozzle (7) and projects into the hot air region of the hot air blower (6). 2. Heißklebepistole nach Anspruch 1, dadurch gekennzeichnet, daß das Heißluftgebläse (6) lösbar an der Heißklebepistole (1) befestigt ist.2. Hot glue gun according to claim 1, characterized in that the hot air blower (6) is releasably attached to the hot glue gun (1). 3. Heißklebepistole nach Anspruch 2, dadurch gekennzeichnet, daß das Heißluftgebläse (6) mittels einer Schwalbenschwanzführung (11) an der Außenseite der Heißklebepistole (1) lösbar befestigt ist.3. Hot glue gun according to claim 2, characterized in that the hot air blower (6) by means of a dovetail guide (11) on the outside of the hot glue gun (1) is releasably attached. 4. Heißklebepistole nach Anspruch 3, dadurch gekennzeichnet, daß die Schwalbenschwanznut und -feder in dem zur Austragsdüse (7) entgegengesetzen Endbereich der Heißklebepistole (1) bzw. im mittleren Längsbereich des Heißluftgebläses (6) angeordnet sind.4. Hot glue gun according to claim 3, characterized in that the dovetail groove and tongue are arranged in the end region of the hot glue gun (1) opposite the discharge nozzle (7) or in the central longitudinal region of the hot air blower (6). 5. Heißklebepistole nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß die Schwalbenschwanzführung (11) mit einer sich in Richtung zur Austragsdüse (7) und zum Mündungsende (14) verringernden Breite ausgebildet ist.5. Hot glue gun according to claim 3 or 4, characterized in that the dovetail guide (11) is formed with a width decreasing in the direction of the discharge nozzle (7) and the mouth end (14). 6. Heißklebepistole nach wenigstens einem der Ansprüche 3 bis 5, dadurch gekennzeichnet, daß die Schwalbenschwanznut oder -feder an der dem Handgriff (5) der Heißklebepistole (1) gegenüberliegenden Oberseite der Heißklebepistole (1) angeordnet ist.6. hot glue gun according to at least one of claims 3 to 5, characterized in that the dovetail groove or spring on the handle (5) of the hot glue gun (1) opposite top of the hot glue gun (1) is arranged. 7. Heißklebepistole nach wenigstens einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Austragsdüse (7) des Führungskanals (2) und das Mündungsende (14) des Heißluftgebläses (6) unter Einschluß eines spitzen Winkels (15), sich in Richtung ihrer freien Enden einander annähernd,schräg gestellt sind.7. hot glue gun according to at least one of claims 1 to 6, characterized in that the discharge nozzle (7) of the guide channel (2) and the mouth end (14) of the hot air blower (6) including an acute angle (15), in the direction of free ends are approximately, slanted. ,8. Heißklebepistole nach Anspruch 7,dadurch gekennzeichnet, daß der spitze Winkel (15) etwa 5° bis 30° beträgt.,8th. Hot glue gun according to claim 7, characterized in that the acute angle (15) is approximately 5 ° to Is 30 °. 9. Heißklebepistole nach wenigstens einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die Wärmeübertragungseinrichtung (13) im Bereich des Mündungsendes (14) des Heißluftgebläses (6) angeordnet ist.9. Hot glue gun according to at least one of claims 1 to 8, characterized in that the heat transfer device (13) is arranged in the region of the mouth end (14) of the hot air blower (6). 10. Heißklebepistole nach Anspruch 9, dadurch gekennzeichnet, daß die Wärmeübertragungseinrichtung (13) mit einer Lamellenanordnung (16) in den Heißluftbereich hineinragt.10. hot glue gun according to claim 9, characterized in that the heat transfer device (13) with a lamella arrangement (16) protrudes into the hot air region. 11. Heißklebepistole nach Anspruch 10, dadurch gekennzeichnet, daß die Lamellenordnung (16) im wesentlichen parallele Lamellen (19) aufweist.11. Hot glue gun according to claim 10, characterized in that the lamella arrangement (16) has substantially parallel lamellae (19). 12. Heißklebepistole nach Anspruch 10, dadurch gekennzeichnet, daß die Lamellenanordnung (16) kreuzweise oder gitterförmig angeordnete Lamellen (19) aufweist.12. Hot glue gun according to claim 10, characterized in that the lamella arrangement (16) has crosswise or lattice-shaped lamellae (19). 13. Heißklebepistole nach Anspruch 11 oder 12, dadurch gekennzeichnet, daß die Lamellen (17, 19) sich im wesentlichen in Längsrichtung des Heißluftbereiches erstrecken.13. Hot glue gun according to claim 11 or 12, characterized in that the lamellae (17, 19) extend substantially in the longitudinal direction of the hot air region. 14. Heißklebepistole nach wenigstens einem der Ansprüche 10 bis 13, dadurch gekennzeichnet, daß die Lamellen (17) von einem Hülsenelement (18) umgeben sind, welches das Mündungsende (14) des Heißluftgebläses (6) aufnimmt.14. Hot glue gun according to at least one of claims 10 to 13, characterized in that the fins (17) are surrounded by a sleeve element (18) which receives the mouth end (14) of the hot air blower (6). 15. Heißklebepistole nach wenigstens einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, daß die Wärmeübertragungseinrichtung (13) einstückig mit dem Führungskanal (2) und/oder der Austragsdüse (7) ausgebildet ist.15. hot glue gun according to at least one of claims 1 to 14, characterized in that the heat transfer device (13) integrally with the guide channel (2) and / or the discharge nozzle (7) out forms is. 16. Heißklebepistole nach wenigstens einem der Ansprüche 10 bis 15, dadurch gekennzeichnet, daß die Lamellenanordnung (16) aus dem Heißluftbereich ganz oder teilweise ausschwenkbar ausgebildet ist.16. Hot glue gun according to at least one of claims 10 to 15, characterized in that the lamella arrangement (16) is designed to be fully or partially pivotable out of the hot air area. 17. Heißklebepistole nach wenigstens einem der Ansprüche 1 bis 16, dadurch gekennzeichnet, daß die gesamte Wärmeübertragungseinrichtung (13) oder die Lamellenanordnung (16) auswechselbar ausgebildet sind.17. Hot glue gun according to at least one of claims 1 to 16, characterized in that the entire heat transfer device (13) or the lamella arrangement (16) are designed to be replaceable.
EP84102136A 1984-02-29 1984-02-29 Hot-adhesive gun Expired EP0153431B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP84102136A EP0153431B1 (en) 1984-02-29 1984-02-29 Hot-adhesive gun
DE8484102136T DE3465170D1 (en) 1984-02-29 1984-02-29 Hot-adhesive gun
AT84102136T ATE28731T1 (en) 1984-02-29 1984-02-29 HOT GLUE GUN.
US06/703,930 US4642158A (en) 1984-02-29 1985-02-21 Hot glue pistol
JP60037724A JPS60206467A (en) 1984-02-29 1985-02-28 Adhesive emitting apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP84102136A EP0153431B1 (en) 1984-02-29 1984-02-29 Hot-adhesive gun

Publications (2)

Publication Number Publication Date
EP0153431A1 true EP0153431A1 (en) 1985-09-04
EP0153431B1 EP0153431B1 (en) 1987-08-05

Family

ID=8191807

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84102136A Expired EP0153431B1 (en) 1984-02-29 1984-02-29 Hot-adhesive gun

Country Status (5)

Country Link
US (1) US4642158A (en)
EP (1) EP0153431B1 (en)
JP (1) JPS60206467A (en)
AT (1) ATE28731T1 (en)
DE (1) DE3465170D1 (en)

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WO2008108801A1 (en) * 2007-03-07 2008-09-12 The David M. Mangelsen Group, Inc. Spiderweb maker

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US5902451A (en) * 1996-07-15 1999-05-11 Rimfire Management Corporation Applicator for wallboard joint compound
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Also Published As

Publication number Publication date
EP0153431B1 (en) 1987-08-05
JPH058066B2 (en) 1993-02-01
DE3465170D1 (en) 1987-09-10
ATE28731T1 (en) 1987-08-15
JPS60206467A (en) 1985-10-18
US4642158A (en) 1987-02-10

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