EP1417036A1 - Device and method for applying a solid substance that can be applied by the action of heat - Google Patents

Device and method for applying a solid substance that can be applied by the action of heat

Info

Publication number
EP1417036A1
EP1417036A1 EP02794559A EP02794559A EP1417036A1 EP 1417036 A1 EP1417036 A1 EP 1417036A1 EP 02794559 A EP02794559 A EP 02794559A EP 02794559 A EP02794559 A EP 02794559A EP 1417036 A1 EP1417036 A1 EP 1417036A1
Authority
EP
European Patent Office
Prior art keywords
substrate
rotary
housing
adhesive
melt adhesive
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
EP02794559A
Other languages
German (de)
French (fr)
Other versions
EP1417036B1 (en
Inventor
Wolfgang Klauck
Rainer Dahm
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henkel AG and Co KGaA
Original Assignee
Henkel AG and Co KGaA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Publication of EP1417036A1 publication Critical patent/EP1417036A1/en
Application granted granted Critical
Publication of EP1417036B1 publication Critical patent/EP1417036B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/06—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length by rubbing contact, e.g. by brushes, by pads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/26—Processes for applying liquids or other fluent materials performed by applying the liquid or other fluent material from an outlet device in contact with, or almost in contact with, the surface

Definitions

  • the invention relates to a device and a method for applying a solid substance that can be applied by heating, in particular a hot melt adhesive, to a substrate with a housing, which has a receptacle for the solid substance that is open to the outside.
  • Devices for applying solid hot melt adhesives or the like for example low or hot melt hot melt adhesives
  • glue guns which are known in various configurations, are often used. These devices have a receptacle for the hot-melt adhesive within the housing, which is inserted into the device in the form of a rod. At least the front dispensing area of the device, which surrounds the hot melt adhesive, is equipped with a heating device with which the hot melt adhesive before use to the melting temperature (depending on the adhesive between 60 ° C to 80 ° C (low melt) or 180 ° C to 220 ° C (hot melt)) is heated and then can be applied to the substrate in the flowable state.
  • devices with a heating device are also known which make it possible to spray the melted adhesive.
  • the object of the invention is to provide a solution with which such a solid substance, in particular a hot-melt adhesive, can be applied to a substrate in the simplest possible manner without requiring a great deal of energy, the adhesive should be available for application as quickly as possible without a long preparation time ,
  • the object of generating external friction is achieved according to the invention with a device of the type described in the introduction in that the receptacle for the solid material is connected to an element which is arranged in the housing and can be brought into rotary and / or oscillatory movement.
  • the device according to the invention thus has no heating device, so that no heating energy and long heating times are required. Rather, the device is immediately ready for use for processing or applying hot-melt adhesives or the like.
  • the receptacle for the hot-melt adhesive and thus also the hot-melt adhesive is set into a rotary and / or oscillating movement and the front discharge end of the hot-melt adhesive is pressed onto the substrate to be coated, as a result of which mechanical friction arises due to the rotating and / or oscillating movement. which inevitably generates heat, which leads to melting of the front end of the hot melt adhesive and application of the same to the substrate.
  • Such a device is extremely easy to use and the hot melt adhesive can be easily applied and distributed.
  • the element which can be brought into rotary and / or oscillatory movement is connected to a rotary or oscillatory drive which is arranged within the housing.
  • rotary and / or vibratory drives are well known and available and can therefore be used without problems for the device according to the invention.
  • the rotary and / or vibratory drive is designed as an electrical rotary and / or vibratory drive.
  • other rotary and / or vibratory drives can also be used, for example pneumatic or hydraulic.
  • the actual rotary or oscillating drive is arranged outside of the device, in which case the movement from the drive to the element which can be brought into rotary and / or oscillating movement and is arranged within the device housing is to be suitably transmitted (for example via an articulated shaft).
  • the rotary and / or vibratory drive is designed as an electrical rotary and / or vibratory drive integrated in the housing, it is very particularly preferably provided that it is connected to a power supply integrated in the housing, for example formed by rechargeable batteries or batteries. With this configuration, the device is completely independent of any power connections and can therefore be used without problems at any location.
  • the invention also provides a method for applying a solid substance, particularly a hot melt adhesive, which can be applied by heating, to a substrate, in which the solid substance is melted at the discharge end and is applied to the substrate in a molten state, which is characterized in that the discharge end of the solid material is rotated and / or vibrated and pressed against the substrate.
  • a solid substance particularly a hot melt adhesive, which can be applied by heating
  • a hot melt adhesive is particularly suitable for such a device, which is characterized in that it can be activated by internal or external friction, as described in EP 96/02194 and to which express reference is made in this regard.
  • the friction should be so great that with static friction a film thickness of 2 to 200 ⁇ m, in particular 10 to 100 ⁇ m, when the substrate is swept once with the adhesive at a speed of 1 to 500 cm / sec, preferably 2 to 100 cm / sec, at a pressure of 1 kPa to 10 MPa, preferably 5 kPa to 5 MPa, preferably 10 kPa to 1.0 MPa.
  • These values apply to normal conditions (20 ° C and 50% relative air humidity) and to a paper of the following quality: 5015 special copier from Soennecken. The following working hypothesis was assumed:
  • the crystalline areas are converted into an amorphous form by the mechanical action of the friction. This amorphous shape creates the stickiness. As long as the adhesive does not recrystallize, it remains tacky. After recrystallization, the adhesive loses its stickiness and gains its final strength.
  • This particularly suitable adhesive consists of 25 to 100, in particular 30 to 99 and preferably 60 to 98% by weight, at least one binder and 0 to 75, in particular 0.1 to 70 and preferably 0.5 to 40% by weight .-% of additives.
  • the binder is also the shaping substance.
  • the additives primarily serve to influence the crystallization, the stickiness and the abrasion behavior. In addition, however, they can also perform the usual functions, namely stabilizing, preserving, coloring, etc.
  • other hotmelt adhesives can also be used, in particular if they meet the requirements described in terms of crystallization temperature, degree and rate fulfill.
  • a device according to the invention shown in the drawing is used to apply a solid substance that can be applied by heating to a substrate.
  • This is preferably a hot-melt adhesive, for example a low-melt or a hot-melt hot-melt adhesive, the melting temperatures of which are between 60 ° C. to 80 ° C. or 180 ° C. to 220 ° C.
  • the device initially has a housing 1, into which a power supply, not shown, is preferably placed, for example in the form of rechargeable batteries is integrated, for this purpose the housing 1 is designed to be openable and closable at a suitable point.
  • a power supply not shown
  • a tubular receptacle 3 protrudes from the front end of the housing 1, into which the hot-melt adhesive to be applied is inserted in the form of a solid hot-melt adhesive pin or rod 4.
  • the tubular receptacle 3 is preferably designed such that the hot-melt adhesive 4 always protrudes a little forward from the receptacle 3 in the actuating position of the device, as shown in the drawing. This can be achieved in different ways, preferably with a device that presses the solid adhesive against the front outlet opening by means of a spring attached to the rear end. Since the diameter of the outlet opening is smaller than the diameter of the solid adhesive, it is only pushed out when the softening temperature on the front end of the otherwise solid adhesive is reached.
  • the tubular receptacle 3 is connected to an element 2 which is arranged in the housing 1 and can be made to rotate and / or oscillate, i.e. is used in this embodiment in this element 2.
  • This element 2 is connected to a rotary and / or vibratory drive, which is not shown, but which is preferably arranged within the housing 1.
  • This rotary and / or oscillating drive is preferably of an electrical design and is connected to the power supply integrated in the housing 1.
  • the element 2 By actuating the rotary and / or oscillating drive, the element 2 is set into a rotating or an oscillating movement or also into a combined rotating / oscillating movement. This movement is transferred to the receptacle 3 firmly connected to the element 2 and thus to the hot melt adhesive 4.
  • the device is now pressed with a rotating and / or oscillating adhesive tip onto the substrate to be coated with adhesive, as a result of the movement of the adhesive tip relative to the substrate mechanical friction is generated, which leads to heating. This heat is used for Melt the adhesive tip, which can be easily applied and distributed on the substrate.
  • the device is immediately ready for use. There are no heating times or the like, which could restrict the operational readiness of the device.
  • the invention is not limited to the illustrated embodiment. Further configurations are possible without leaving the basic idea.
  • the rotary and / or vibratory drive can also be designed hydraulically or pneumatically, and it can also be provided that the rotary and / or vibratory drive is not integrated in the housing 1, but is arranged at an external location; it is then a suitable one To establish a connection (for example cardan shaft) to the device and the like. More.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Coating Apparatus (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Abstract

A device for applying a meltable substance, particularly a hot melt adhesive, to a substrate. The device imparts a rotating or vibrating motion to the substance to generate mechanical friction between the meltable substance and the substrate, causing the substrate to melt and apply to the substrate.

Description

"Vorrichtung und Verfahren zum Auftragen eines durch Erwärmen auftragbaren festen Stoffes" "Device and method for applying a solid material which can be applied by heating"
Die Erfindung betrifft eine Vorrichtung und ein Verfahren zum Auftragen eines durch Erwärmen auftragbaren festen Stoffes, insbesondere eines Schmelzklebers, auf ein Substrat mit einem Gehäuse, welches eine nach außen offene Aufnahme für den festen Stoff aufweist.The invention relates to a device and a method for applying a solid substance that can be applied by heating, in particular a hot melt adhesive, to a substrate with a housing, which has a receptacle for the solid substance that is open to the outside.
Vorrichtungen zum Auftragen von festen Schmelzklebern oder dgl. (beispielsweise Low- oder Hot-Melt-Schmelzkleber) auf Substrate sind in unterschiedlichen Ausführungsformen bekannt. So werden häufig sogenannte Klebepistolen verwandt, die in verschiedenen Ausgestaltungen bekannt sind. Diese Vorrichtungen weisen dabei innerhalb des Gehäuses eine Aufnahme für den Schmelzkleber auf, der in fester Form stabförmig in die Vorrichtung eingegeben wird. Wenigstens der vordere Abgabebereich der Vorrichtung, welcher den Schmelzkleber umgibt, ist mit einer Heizeinrichtung ausgerüstet, mit welcher der Schmelzkleber vor der Anwendung auf die Schmelztemperatur (je nach Klebstoff zwischen 60 °C bis 80 °C (Low-Melt) oder 180 °C bis 220 °C (Hot-Melt)) erwärmt wird und dann im fließfähigen Zustand auf das Substrat aufgebracht werden kann. Neben diesen gängigen Heißschmelzkleberpistolen sind auch Vorrichtungen mit Heizeinrichtung bekannt, die es ermöglichen, den aufgeschmolzenen Kleber zu versprühen.Devices for applying solid hot melt adhesives or the like (for example low or hot melt hot melt adhesives) to substrates are known in various embodiments. So-called glue guns, which are known in various configurations, are often used. These devices have a receptacle for the hot-melt adhesive within the housing, which is inserted into the device in the form of a rod. At least the front dispensing area of the device, which surrounds the hot melt adhesive, is equipped with a heating device with which the hot melt adhesive before use to the melting temperature (depending on the adhesive between 60 ° C to 80 ° C (low melt) or 180 ° C to 220 ° C (hot melt)) is heated and then can be applied to the substrate in the flowable state. In addition to these common hot-melt adhesive guns, devices with a heating device are also known which make it possible to spray the melted adhesive.
Allen diesen bekannten Vorrichtungen ist jedoch gemeinsam, daß sie eine Heizeinrichtung benötigen, mit der der Klebstoff zumindest angeschmolzen oder ggf. sogar verflüssigt werden kann, um ihn anschließend aufzutragen oder zu versprühen. Eine solche Heizeinrichtung ist zum einen aufwendig und benötigt eine nicht unbeachtliche Heizenergie, zum anderen ist die Vorrichtung erst nach einer gewissen Aufheizzeit arbeitsfähig, d.h. erst dann, wenn eine genügende Menge Schmelzkleber aufgeschmolzen ist. Aufgabe der Erfindung ist es demgegenüber, eine Lösung zu schaffen, mit der ein derartiger fester Stoff, insbesondere ein Schmelzkleber, ohne großen Energiebedarf auf möglichst einfache Weise auf ein Substrat aufgebracht werden kann, wobei der Klebstoff möglichst umgehend ohne lange Vorbereitungszeit zum Auftragen verfügbar sein soll.All these known devices, however, have in common that they require a heating device with which the adhesive can at least be melted or possibly even liquefied in order to subsequently apply or spray it. On the one hand, such a heating device is complex and requires a not inconsiderable heating energy, on the other hand, the device is only able to work after a certain heating time, ie only when a sufficient amount of hot melt adhesive has melted. In contrast, the object of the invention is to provide a solution with which such a solid substance, in particular a hot-melt adhesive, can be applied to a substrate in the simplest possible manner without requiring a great deal of energy, the adhesive should be available for application as quickly as possible without a long preparation time ,
Die Aufgabe, äußere Reibung zu erzeugen, wird mit einer Vorrichtung der eingangs bezeichneten Art erfindungsgemäß dadurch gelöst, daß die Aufnahme für den festen Stoff mit einem im Gehäuse angeordneten, in Dreh- und/oder Schwingbewegung bringbaren Element verbunden ist.The object of generating external friction is achieved according to the invention with a device of the type described in the introduction in that the receptacle for the solid material is connected to an element which is arranged in the housing and can be brought into rotary and / or oscillatory movement.
In Abkehr von bisherigen Vorrichtungen dieser Art weist die erfindungsgemäße Vorrichtung somit keine Heizeinrichtung auf, so daß auch keine Heizenergie und lange Aufheizzeiten benötigt werden. Die Vorrichtung ist vielmehr sofort zur Verarbeitung bzw. zum Auftragen von Schmelzklebern oder dgl. einsatzbereit. Bei Inbetriebnahme der Vorrichtung wird die Aufnahme für den Schmelzkleber und damit auch der Schmelzkleber in eine Dreh- und/oder Schwingbewegung versetzt und das vordere Abgabeende des Schmelzklebers auf das zu beschichtende Substrat aufgedrückt, wodurch aufgrund der Dreh- und/oder Schwingbewegung mechanische Reibung entsteht, die zwangsläufig Wärme erzeugt, was zum Aufschmelzen des vorderen Endes des Schmelzklebers und zum Auftragen desselben auf das Substrat führt. Eine solche Vorrichtung ist äußerst leicht zu bedienen und der Schmelzkleber kann leicht aufgebracht und verteilt werden.In contrast to previous devices of this type, the device according to the invention thus has no heating device, so that no heating energy and long heating times are required. Rather, the device is immediately ready for use for processing or applying hot-melt adhesives or the like. When the device is started up, the receptacle for the hot-melt adhesive and thus also the hot-melt adhesive is set into a rotary and / or oscillating movement and the front discharge end of the hot-melt adhesive is pressed onto the substrate to be coated, as a result of which mechanical friction arises due to the rotating and / or oscillating movement. which inevitably generates heat, which leads to melting of the front end of the hot melt adhesive and application of the same to the substrate. Such a device is extremely easy to use and the hot melt adhesive can be easily applied and distributed.
In vorteilhafter Ausgestaltung ist vorgesehen, daß das in Dreh- und/oder Schwingbewegung bringbare Element mit einem Dreh- oder Schwingantrieb verbunden ist, der innerhalb des Gehäuses angeordnet ist. Derartige Dreh- und/oder Schwingantriebe sind hinlänglich bekannt und verfügbar und können somit problemlos für die erfindungsgemäße Vorrichtung verwendet werden.In an advantageous embodiment it is provided that the element which can be brought into rotary and / or oscillatory movement is connected to a rotary or oscillatory drive which is arranged within the housing. Such rotary and / or vibratory drives are well known and available and can therefore be used without problems for the device according to the invention.
Dabei ist ganz besonders bevorzugt vorgesehen, daß der Dreh- und/oder Schwingantrieb als elektrischer Dreh- und/oder Schwingantrieb ausgebildet ist. Grundsätzlich sind auch andere Dreh- und/oder Schwingantriebe einsetzbar, beispielsweise pneumatisch oder hydraulisch. Es kann alternativ auch vorgesehen sein, daß der eigentliche Dreh- oder Schwingantrieb außerhalb der Vorrichtung angeordnet ist, wobei dann die Bewegung vom Antrieb zum innerhalb des Vorrichtungsgehäuses angeordneten in Dreh- und/oder Schwingbewegung bringbaren Element geeignet zu übertragen ist (z.B. über eine Gelenkwelle).It is particularly preferably provided that the rotary and / or vibratory drive is designed as an electrical rotary and / or vibratory drive. In principle, other rotary and / or vibratory drives can also be used, for example pneumatic or hydraulic. Alternatively, it can also be provided that the actual rotary or oscillating drive is arranged outside of the device, in which case the movement from the drive to the element which can be brought into rotary and / or oscillating movement and is arranged within the device housing is to be suitably transmitted (for example via an articulated shaft). ,
Wenn der Dreh- und/oder Schwingantrieb als in das Gehäuse integrierter elektrischer Dreh- und/oder Schwingantrieb ausgebildet ist, ist ganz besonders bevorzugt vorgesehen, daß dieser mit einer in das Gehäuse integrierten Stromversorgung verbunden ist, beispielsweise von Akkus oder Batterien gebildet ist. Bei dieser Ausgestaltung ist die Vorrichtung völlig unabhängig von irgendwelchen Stromanschlüssen und kann deshalb an jedem Ort problemlos eingesetzt werden.If the rotary and / or vibratory drive is designed as an electrical rotary and / or vibratory drive integrated in the housing, it is very particularly preferably provided that it is connected to a power supply integrated in the housing, for example formed by rechargeable batteries or batteries. With this configuration, the device is completely independent of any power connections and can therefore be used without problems at any location.
Zur Lösung der vorgenannten Aufgabe sieht die Erfindung auch ein Verfahren zum Auftragen eines durch Erwärmen auftragbaren festen Stoffes, insbesondere eines Schmelzklebers, auf ein Substrat, bei dem der feste Stoff am Abgabeende aufgeschmolzen und in geschmolzenem Zustand auf das Substrat aufgebracht wird, vor, das sich dadurch auszeichnet, daß das Abgabeende des festen Stoffes in eine Dreh- und/oder Schwing bewegung versetzt und gegen das Substrat gedrückt wird.To achieve the aforementioned object, the invention also provides a method for applying a solid substance, particularly a hot melt adhesive, which can be applied by heating, to a substrate, in which the solid substance is melted at the discharge end and is applied to the substrate in a molten state, which is characterized in that the discharge end of the solid material is rotated and / or vibrated and pressed against the substrate.
Besonders geeignet für eine solche Vorrichtung ist ein Schmelzkleber, welcher dadurch gekennzeichnet ist, daß er sich durch eine innere oder äußere Reibung aktivieren läßt, wie in EP 96/02194 beschrieben und auf die diesbezüglich ausdrücklich Bezug genommen wird.A hot melt adhesive is particularly suitable for such a device, which is characterized in that it can be activated by internal or external friction, as described in EP 96/02194 and to which express reference is made in this regard.
Die Reibung sollte so groß sein, daß bei der Haftreibung eine Filmdicke von 2 bis 200 μm, insbesondere von 10 bis 100 μm bei einmaligem Überstreichen des Substrates mit dem Klebstoff in einer Geschwindigkeit von 1 bis 500 cm/sec, bevorzugt 2 bis 100 cm/sec, bei einem Druck von 1 kPa bis 10 MPa, bevorzugt 5 kPa bis 5 MPa, vorzugsweise 10 kPa bis 1,0 MPa, erzielt wird. Diese Werte gelten für Normalbedingungen (20 °C und 50 % relativer Luftfeuchtigkeit) sowie für ein Papier folgender Qualität: 5015 Spezial Copier der Fa. Soennecken. Dabei wurde folgende Arbeitshypothese angenommen:The friction should be so great that with static friction a film thickness of 2 to 200 μm, in particular 10 to 100 μm, when the substrate is swept once with the adhesive at a speed of 1 to 500 cm / sec, preferably 2 to 100 cm / sec, at a pressure of 1 kPa to 10 MPa, preferably 5 kPa to 5 MPa, preferably 10 kPa to 1.0 MPa. These values apply to normal conditions (20 ° C and 50% relative air humidity) and to a paper of the following quality: 5015 special copier from Soennecken. The following working hypothesis was assumed:
Die kristallinen Bereiche werden durch die mechanische Einwirkung der Reibung in eine amorphe Form überführt. Diese amorphe Form erzeugt die Klebrigkeit. Solange der Klebstoff nicht rekristallisiert, bleibt er haftklebrig. Nach der Rekristallisation verliert der Klebstoff seine Klebrigkeit und gewinnt seine endgültige Festigkeit.The crystalline areas are converted into an amorphous form by the mechanical action of the friction. This amorphous shape creates the stickiness. As long as the adhesive does not recrystallize, it remains tacky. After recrystallization, the adhesive loses its stickiness and gains its final strength.
Dieser besonders geeignete Klebstoff besteht aus 25 bis 100, insbesondere 30 bis 99 und vorzugsweise aus 60 bis 98 Gew.-%, mindestens eines Bindemittels und aus 0 bis 75, insbesondere aus 0,1 bis 70 und vorzugsweise aus 0,5 bis 40 Gew.- % an Zusätzen. Das Bindemittel ist gleichzeitig die formgebende Substanz. Die Zusätze dienen in erster Linie dazu, die Kristallisation, die Klebrigkeit und das Abriebverhalten zu beeinflussen. Darüber hinaus können sie aber auch die üblichen Funktionen erfüllen, nämlich stabilisieren, konservieren, färben usw.. Neben diesem beschriebenen Klebstoff können auch andere Schmelzkleber zum Einsatz kommen, insbesondere dann wenn sie die dort beschriebenen Voraussetzungen bezüglich Kristallisations-Temperatur, -Grad und -Geschwindigkeit erfüllen.This particularly suitable adhesive consists of 25 to 100, in particular 30 to 99 and preferably 60 to 98% by weight, at least one binder and 0 to 75, in particular 0.1 to 70 and preferably 0.5 to 40% by weight .-% of additives. The binder is also the shaping substance. The additives primarily serve to influence the crystallization, the stickiness and the abrasion behavior. In addition, however, they can also perform the usual functions, namely stabilizing, preserving, coloring, etc. In addition to the adhesive described, other hotmelt adhesives can also be used, in particular if they meet the requirements described in terms of crystallization temperature, degree and rate fulfill.
Die Erfindung ist nachstehend anhand der Zeichnung beispielhaft näher erläutert. Diese zeigt in der einzigen Figur in stark vereinfachter Darstellung eine erfindungsgemäße Vorrichtung.The invention is explained in more detail below with reference to the drawing. In the single figure, this shows a device according to the invention in a highly simplified representation.
Eine in der Zeichnung dargestellte erfindungsgemäße Vorrichtung dient zum Auftragen eines durch Erwärmen auftragbaren festen Stoffes auf ein Substrat. Dabei handelt es sich bevorzugt um einen Schmelzkleber, beispielsweise einen Low-Melt- oder einen Hot-Melt-Schmelzkleber, deren Schmelztemperaturen zwischen 60 °C bis 80 °C bzw. 180 °C bis 220 °C liegen.A device according to the invention shown in the drawing is used to apply a solid substance that can be applied by heating to a substrate. This is preferably a hot-melt adhesive, for example a low-melt or a hot-melt hot-melt adhesive, the melting temperatures of which are between 60 ° C. to 80 ° C. or 180 ° C. to 220 ° C.
Die Vorrichtung weist zunächst ein Gehäuse 1 auf, in das vorzugsweise eine nicht dargestellte Stromversorgung, beispielsweise in Form von Akkus oder Batterien integriert ist, dazu ist das Gehäuse 1 an geeigneter Stelle offen- und verschließbar ausgebildet.The device initially has a housing 1, into which a power supply, not shown, is preferably placed, for example in the form of rechargeable batteries is integrated, for this purpose the housing 1 is designed to be openable and closable at a suitable point.
Aus dem vorderen Ende des Gehäuses 1 ragt eine rohrförmige Aufnahme 3 heraus, in die der aufzutragende Schmelzkleber in Form eines festen Schmelzkleberstiftes bzw. Stabes 4 eingesetzt ist. Dabei ist die rohrförmige Aufnahme 3 vorzugsweise so ausgebildet, daß der Schmelzkleber 4 in Betätigungsposition der Vorrichtung immer ein Stück weit nach vorne aus der Aufnahme 3 hinaussteht, wie dies in der Zeichnung dargestellt ist. Dies kann auf unterschiedliche Weise realisiert werden, vorzugsweise mit einer Vorrichtung, die den festen Klebstoff mittels einer am hinteren Ende angebrachten Feder gegen die vordere Austrittsöffnung drückt. Da der Durchmesser der Austrittsöffnung kleiner als der Durchmesser des festen Klebstoffes ist, wird er erst herausgeschoben, wenn die Erweichungstemperatur auf vorderen Ende des sonst festen Klebstoffes erreicht ist.A tubular receptacle 3 protrudes from the front end of the housing 1, into which the hot-melt adhesive to be applied is inserted in the form of a solid hot-melt adhesive pin or rod 4. The tubular receptacle 3 is preferably designed such that the hot-melt adhesive 4 always protrudes a little forward from the receptacle 3 in the actuating position of the device, as shown in the drawing. This can be achieved in different ways, preferably with a device that presses the solid adhesive against the front outlet opening by means of a spring attached to the rear end. Since the diameter of the outlet opening is smaller than the diameter of the solid adhesive, it is only pushed out when the softening temperature on the front end of the otherwise solid adhesive is reached.
Wesentlich für die erfindungsgemäße Vorrichtung ist nun, daß die rohrförmige Aufnahme 3 mit einem im Gehäuse 1 angeordneten, in Dreh- und/oder Schwingbewegung bringbaren Element 2 verbunden ist, d.h. beim Ausführungsbeispiel in dieses Element 2 eingesetzt ist. Dieses Element 2 ist dabei mit einem Dreh- und/oder Schwingantrieb verbunden, der nicht dargestellt ist, der aber vorzugsweise innerhalb des Gehäuses 1 angeordnet ist. Dieser Dreh- und/oder Schwingantrieb ist bevorzugt elektrisch ausgebildet und mit der in das Gehäuse 1 integrierten Stromversorgung verbunden.It is essential for the device according to the invention that the tubular receptacle 3 is connected to an element 2 which is arranged in the housing 1 and can be made to rotate and / or oscillate, i.e. is used in this embodiment in this element 2. This element 2 is connected to a rotary and / or vibratory drive, which is not shown, but which is preferably arranged within the housing 1. This rotary and / or oscillating drive is preferably of an electrical design and is connected to the power supply integrated in the housing 1.
Durch Betätigung des Dreh- und/oder Schwingantriebes wird das Element 2 in eine Dreh- oder eine Schwingbewegung oder auch in eine kombinierte Dreh- /Schwingbewegung versetzt. Diese Bewegung überträgt sich auf die mit dem Element 2 fest verbundene Aufnahme 3 und damit auf den Schmelzkleber 4. Die Vorrichtung wird nun mit drehender und/oder schwingender Klebstoffspitze auf das mit Klebstoff zu beschichtende Substrat gedrückt, wodurch aufgrund der Bewegung der Klebstoffspitze gegenüber dem Substrat mechanische Reibung erzeugt wird, die zu einer Erwärmung führt. Diese Wärme dient zum Aufschmelzen der Klebstoffspitze, welche dadurch leicht auf das Substrat aufgebracht und verteilt werden kann.By actuating the rotary and / or oscillating drive, the element 2 is set into a rotating or an oscillating movement or also into a combined rotating / oscillating movement. This movement is transferred to the receptacle 3 firmly connected to the element 2 and thus to the hot melt adhesive 4. The device is now pressed with a rotating and / or oscillating adhesive tip onto the substrate to be coated with adhesive, as a result of the movement of the adhesive tip relative to the substrate mechanical friction is generated, which leads to heating. This heat is used for Melt the adhesive tip, which can be easily applied and distributed on the substrate.
Offensichtlich ist die Vorrichtung sofort betriebsbereit. Aufheizzeiten oder dgl., die die Betriebsbereitschaft der Vorrichtung einschränken könnten, sind nicht vorhanden.Obviously, the device is immediately ready for use. There are no heating times or the like, which could restrict the operational readiness of the device.
Natürlich ist die Erfindung nicht auf das dargestellte Ausführungsbeispiel beschränkt. Weitere Ausgestaltungen sind möglich, ohne den Grundgedanken zu verlassen. So kann der Dreh- und/oder Schwingantrieb auch hydraulisch oder pneumatisch ausgebildet sein, ferner kann auch vorgesehen sein, daß der Dreh- und/oder Schwingantrieb nicht in das Gehäuse 1 integriert ist, sondern an externer Stelle angeordnet ist, es ist dann eine geeignete Verbindung (z.B. Gelenkwelle) zur Vorrichtung herzustellen und dgl. mehr. Of course, the invention is not limited to the illustrated embodiment. Further configurations are possible without leaving the basic idea. Thus, the rotary and / or vibratory drive can also be designed hydraulically or pneumatically, and it can also be provided that the rotary and / or vibratory drive is not integrated in the housing 1, but is arranged at an external location; it is then a suitable one To establish a connection (for example cardan shaft) to the device and the like. More.

Claims

Patentansprüche claims
1. Vorrichtung zum Auftragen eines durch Erwärmen auftragbaren festen Stoffes, insbesondere eines Schmelzklebers, auf ein Substrat mit einem Gehäuse, welches eine nach außen offene Aufnahme für den festen1. Apparatus for applying a solid material that can be applied by heating, in particular a hot melt adhesive, to a substrate with a housing, which has an open-to-the-outside receptacle for the solid
Stoff aufweist, dadurch gekennzeichnet, daß die Aufnahme (3) für den festen Stoff (4) mit einem im Gehäuse (1) angeordneten, in Dreh- und/oder Schwingbewegung bringbaren Element (2) verbunden ist.Fabric, characterized in that the receptacle (3) for the solid material (4) is connected to an element (2) which is arranged in the housing (1) and can be made to rotate and / or oscillate.
2. Vorrichtung nach Anspruch 1 , dadurch gekennzeichnet, daß das in Dreh- und/oder Schwingbewegung bringbare Element (2) mit einem Dreh- und/oder Schwingantrieb verbunden ist, der innerhalb des Gehäuses (1) angeordnet ist.2. Device according to claim 1, characterized in that the rotatable and / or oscillatory element (2) is connected to a rotary and / or oscillating drive which is arranged within the housing (1).
3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß der Dreh- und/oder Schwingantrieb als elektrischer Dreh- und/oder Schwingantrieb ausgebildet ist.3. Apparatus according to claim 2, characterized in that the rotary and / or vibratory drive is designed as an electrical rotary and / or vibratory drive.
4. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß der elektrische Dreh- und/oder Schwingantrieb mit einer in das Gehäuse (1) integrierten Stromversorgung verbunden ist. erfahren zum Auftragen eines durch Erwärmen auftragbaren festen Stoffes, insbesondere eines Schmelzklebers, auf ein Substrat, bei dem der feste Stoff am Abgabeende aufgeschmolzen und in geschmolzenem4. The device according to claim 3, characterized in that the electrical rotary and / or vibratory drive is connected to a power supply integrated in the housing (1). experienced for applying a solid material, especially a hot melt adhesive, which can be applied by heating, to a substrate in which the solid material is melted at the discharge end and in a molten state
Zustand auf das Substrat aufgebracht wird, dadurch gekennzeichnet, daß das Abgabeende des festen Stoffes in eine Dreh- und/oderState is applied to the substrate, characterized in that the discharge end of the solid substance in a rotary and / or
Schwingbewegung versetzt und gegen das Substrat gedrückt wird. Vibration movement is offset and pressed against the substrate.
EP02794559A 2001-08-08 2002-08-06 Device for applying a solid substance that can be applied by the action of heat Expired - Lifetime EP1417036B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10138862A DE10138862C2 (en) 2001-08-08 2001-08-08 Device and method for applying a hot melt adhesive
DE10138862 2001-08-08
PCT/EP2002/008746 WO2003013737A1 (en) 2001-08-08 2002-08-06 Device and method for applying a solid substance that can be applied by the action of heat

Publications (2)

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EP1417036A1 true EP1417036A1 (en) 2004-05-12
EP1417036B1 EP1417036B1 (en) 2008-01-02

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EP02794559A Expired - Lifetime EP1417036B1 (en) 2001-08-08 2002-08-06 Device for applying a solid substance that can be applied by the action of heat

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US (1) US20050013650A1 (en)
EP (1) EP1417036B1 (en)
AT (1) ATE382433T1 (en)
DE (2) DE10138862C2 (en)
ES (1) ES2298417T3 (en)
WO (1) WO2003013737A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100008880A1 (en) * 2006-05-03 2010-01-14 John Castro Clear Cosmetic Compositions And Methods Of Using
EP2043790B1 (en) * 2006-07-13 2012-09-19 Steinel GmbH Device for the application of adhesive

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3539481A (en) * 1968-06-17 1970-11-10 Us Plywood Champ Papers Inc Adhesive stick
GB1579433A (en) * 1973-03-09 1980-11-19 Dunlop Ltd Method of applying a plastics to a vulcanized rubber
US3921298A (en) * 1974-03-26 1975-11-25 John B Fattaleh Dental and surgical appliance
GB2025793B (en) * 1978-07-22 1982-10-27 Dunlop Ltd Method of applying rubber to a substrate
GB2067922B (en) * 1980-01-26 1983-09-14 Dunlop Ltd Method of applying a polymer film to a substrate
DE3607986C1 (en) * 1986-03-11 1987-05-14 Herbert Rademacher Device for utilising a cylindrical push-out tube for pen-shaped adhesive
ES2231816T3 (en) 1995-05-26 2005-05-16 Henkel Kommanditgesellschaft Auf Aktien PATCHING PROCEDURE.
US5895159A (en) * 1997-12-12 1999-04-20 Liou; Ferng-Jong Heat-melting glue gun

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO03013737A1 *

Also Published As

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ATE382433T1 (en) 2008-01-15
DE50211473D1 (en) 2008-02-14
WO2003013737A1 (en) 2003-02-20
DE10138862A1 (en) 2003-03-06
EP1417036B1 (en) 2008-01-02
DE10138862C2 (en) 2003-05-22
US20050013650A1 (en) 2005-01-20
ES2298417T3 (en) 2008-05-16

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