EP0153431B1 - Pistolet pour matières thermoadhésives - Google Patents

Pistolet pour matières thermoadhésives Download PDF

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Publication number
EP0153431B1
EP0153431B1 EP84102136A EP84102136A EP0153431B1 EP 0153431 B1 EP0153431 B1 EP 0153431B1 EP 84102136 A EP84102136 A EP 84102136A EP 84102136 A EP84102136 A EP 84102136A EP 0153431 B1 EP0153431 B1 EP 0153431B1
Authority
EP
European Patent Office
Prior art keywords
hot
melt adhesive
adhesive gun
gun according
air blower
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.)
Expired
Application number
EP84102136A
Other languages
German (de)
English (en)
Other versions
EP0153431A1 (fr
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 AT84102136T priority Critical patent/ATE28731T1/de
Priority to EP84102136A priority patent/EP0153431B1/fr
Priority to DE8484102136T priority patent/DE3465170D1/de
Priority to US06/703,930 priority patent/US4642158A/en
Priority to JP60037724A priority patent/JPS60206467A/ja
Publication of EP0153431A1 publication Critical patent/EP0153431A1/fr
Application granted granted Critical
Publication of EP0153431B1 publication Critical patent/EP0153431B1/fr
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 opening at one end of the guide channel and with a hot air blower for melting the adhesive, according to the preamble of claim 1.
  • a hot glue gun is known from FR-A-2118583.
  • hot glue guns known from practice use electrical heating devices in the form of heating cartridges which are parallel to the guide channel in the gun body. Although hot glue guns of this type work satisfactorily for many applications, in some cases it is disadvantageous that the workpiece to be glued is only heated by the glue itself. In particular in the case of a workpiece 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 aforementioned problem is eliminated in that a hot air blower is provided for heating the workpiece, which also melts the adhesive preheated by a conventional heating cartridge and set in a plastic state.
  • This hot glue gun thus contains two heating devices, which is correspondingly expensive.
  • there are certain limits to the working speed since the adhesive only has to be brought into the melt state by the hot air stream when working, which can lead to annoying waiting times, particularly in the case of intermittent work.
  • the invention is based on the object of designing a hot-melt glue gun of the type mentioned at the outset in such a way that adhesive bonds of high strength and with increased working speed can be produced by a simple construction of the glue gun.
  • the hot glue gun combines the advantages of known types of glue gun in that, on the one hand, the adhesive is kept in an already molten state before it emerges from the gun, and, on the other hand, a hot air stream is provided for heating the workpiece.
  • a separate heating cartridge for preheating or melting the adhesive is dispensed with, the heat required for this is rather branched off from the hot air flow by means of the heat transfer device.
  • the hot air blower is releasably attached to the hot glue gun, which not only makes replacement easier in the event of a repair than with the guns known in the prior art, but rather the hot air blower can also be used, if desired, 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 central longitudinal area of the hot air blower.
  • the dovetail groove or tongue is preferably arranged on the upper side 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 end of the mouth.
  • 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 ° 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 is obtained when the heat transfer device with a lamella arrangement projects into the hot air area.
  • 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 simultaneously take on the function of a baffle plate arrangement.
  • 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.
  • the exemplary embodiment of a hot-melt adhesive gun 1 according to the invention shown in FIG. 1 comprises a gun housing 4 with a handle 5 for a fusible adhesive 3 for a meltable adhesive 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 in the direction of its free end and 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 top of the gun housing 4 opposite the handle 5.
  • a dovetail guide 11 which is only shown schematically, on the top 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 lamellar 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.

Claims (18)

1. Pistolet de collage à chaud (1 ) pour la fusion et l'évacuation d'un adhésif fusible (3), comportant un canal conducteur (2) pour l'adhésif (3) à fondre et une ouverture d'évacuation (7) à une extrémité du canal conducteur (2) ainsi qu'un ventilateur à air chaud (6) pour la fusion de l'adhésif (3) qui est fixé sur le côté extérieur du pistolet de collage à chaud (1) et dont l'extrémité d'embouchure (14) est placée dans la zone de l'ouverture d'évacuation (7) du canal conducteur (2), caractérisé en ce qu'il est prévu, entre le ventilateur à air chaud (6) et l'ouvertute d'évacuation réalisée sous la forme d'une buse d'évacuation (7), un dispositif de transfert de chaleur (13) qui est relié avec le canal conducteur (2) et/ou la buse d'évacuation (7) et pénètre dans la zone d'air chaud du ventilateur à air chaud (6), et en ce que l'adhésif (3) est porté à fusion exclusivement à l'aide du dispositif de transfert de chaleur (13) par de l'air chaud.
2. Pistolet de collage à chaud selon la revendication 1, caractérisé en ce que le ventilateur à air chaud (6) est fixé de manière amovible sur le pistolet de collage à chaud (1 ).
3. Pistolet de collage à chaud selon la revendication 2, caractérisé en ce que le ventilateur à air chaud (6) est fixé de manière amovible sur le côté extérieur du pistolet de collage (1) à l'aide d'un guidage à queue d'aronde (11).
4. Pistolet de collage à chaud selon la revendication 3, caractérisé en ce que la rainure et la languette à queue d'aronde sont disposées dans la zone terminale du pistolet de collage à chaud (1 ) qui est opposée à la buse d'évacuation (7) ou dans la zone longitudinale médiane du ventilateur à air chaud (6).
5. Pistolet de collage à chaud selon la revendication 3 ou 4, caractérisé en ce que le guidage à queue d'aronde (11) est réalisé avec une largeur diminuant en direction de la buse d'évacuation (7) et de l'extrémité d'embouchure (14).
6. Pistolet de collage à chaud selon l'une au moins des revendications 3 à 5, caractérisé en ce que la rainure ou la languette à queue d'aronde est disposée sur le côté supérieur du pistolet de collage chaud (1) qui est opposé à la poignée (5) du pistolet de collage à chaud (1 ).
7. Pistolet de collage à chaud selon l'une au moins des revendications 1 à 6, caractérisé en ce que la buse d'évacuation (7) du canal conducteur (2) et l'extrémité d'embouchure (14) du ventilateur à air chaud (6) sont inclinées en formant un angle aigu (15) et en se rapprochant l'une de l'autre en direction de leurs extrémités libres.
8. Pistolet de collage à air chaud selon la revendication 7, caractérisé en ce que l'angle aigu (15) est compris entre 5 et 30° environ.
9. Pistolet de collage à chaud selon l'une au moins des revendications 1 à 8, caractérisé en ce que le dispositif de transfert de chaleur (13) est disposé dans la zone de l'extrémité d'embouchure (14) du ventilateur à air chaud (6).
10. Pistolet de collage à chaud selon la revendication 9, caractérisé en ce que le dispositif de transfert de chaleur (13) pénètre dans la zone d'air chaud avec une structure à lamelles (16).
11. Pistolet de collage à chaud selon la revendication 10, caractérisé en ce que la structure à lamelles (16) présente des lamelles (19) pour l'essentiel parallèles.
12. Pistolet de collage à chaud selon la revendication 10, caractérisé en ce que la structure à lamelles (16) présente des lamelles (19) disposées en croix ou en grille.
13. Pistolet de collage à chaud selon la revendication 11, caractérisé en ce que les lamelles (17, 19) s'étendent pour l'essentiel dans la direction longitudinale de la zone d'air chaud.
14. Pistolet de collage à chaud selon l'une au moins des revendications 10 à 13, caractérisé en ce que les lamelles (17) sont entourées d'un élément de douille (18) qui loge l'extrémité d'embouchure (14) du ventilateur à air chaud (6).
15. Pistolet de collage à chaud selon l'une au moins des revendications 1 à 14, caractérisé en ce que le dispositif de transfert de chaleur (13) est réalisé d'une seule pièce avec le canal conducteur (2) et/ou la buse d'évacuation (7).
16. Pistolet de collage à chaud selon l'une au moins des revendications 10 à 15, caractérisé en ce que la structure à lamelles (16) est réalisée de manière à pouvoir pivoter totalement ou partiellement hors de la zone d'air chaud.
17. Pistolet de collage à chaud selon l'une au moins des revendications 1 à 16, caractérisé en ce que l'ensemble du dispositif de transfert de chaleur (13) ou la structure à lamelles (16) sont réalisés de manière à pouvoir être remplacés.
EP84102136A 1984-02-29 1984-02-29 Pistolet pour matières thermoadhésives Expired EP0153431B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AT84102136T ATE28731T1 (de) 1984-02-29 1984-02-29 Heissklebepistole.
EP84102136A EP0153431B1 (fr) 1984-02-29 1984-02-29 Pistolet pour matières thermoadhésives
DE8484102136T DE3465170D1 (en) 1984-02-29 1984-02-29 Hot-adhesive gun
US06/703,930 US4642158A (en) 1984-02-29 1985-02-21 Hot glue pistol
JP60037724A JPS60206467A (ja) 1984-02-29 1985-02-28 接合剤吐出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP84102136A EP0153431B1 (fr) 1984-02-29 1984-02-29 Pistolet pour matières thermoadhésives

Publications (2)

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

Family

ID=8191807

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84102136A Expired EP0153431B1 (fr) 1984-02-29 1984-02-29 Pistolet pour matières thermoadhésives

Country Status (5)

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

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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
JPS60206467A (ja) 1985-10-18
ATE28731T1 (de) 1987-08-15
JPH058066B2 (fr) 1993-02-01
EP0153431A1 (fr) 1985-09-04
US4642158A (en) 1987-02-10
DE3465170D1 (en) 1987-09-10

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