EP2730342B1 - Appareil de collage à chaud et système doté d'un tel appareil de collage à chaud et d'un bâton de colle - Google Patents

Appareil de collage à chaud et système doté d'un tel appareil de collage à chaud et d'un bâton de colle Download PDF

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Publication number
EP2730342B1
EP2730342B1 EP13191899.7A EP13191899A EP2730342B1 EP 2730342 B1 EP2730342 B1 EP 2730342B1 EP 13191899 A EP13191899 A EP 13191899A EP 2730342 B1 EP2730342 B1 EP 2730342B1
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EP
European Patent Office
Prior art keywords
glue
spring means
heating
feed direction
stick
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.)
Active
Application number
EP13191899.7A
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German (de)
English (en)
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EP2730342A1 (fr
Inventor
Ingo Steinel
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
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Steinel GmbH and Co KG
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Publication date
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Publication of EP2730342A1 publication Critical patent/EP2730342A1/fr
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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
    • B05C17/00526—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes provided with means to heat the material the material being supplied to the apparatus in a solid state, e.g. rod, and melted before application
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00523—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes provided with means to heat the material
    • B05C17/00526—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes provided with means to heat the material the material being supplied to the apparatus in a solid state, e.g. rod, and melted before application
    • B05C17/0053—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes provided with means to heat the material the material being supplied to the apparatus in a solid state, e.g. rod, and melted before application the driving means for the material being manual, mechanical or electrical
    • B05C17/00533—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes provided with means to heat the material the material being supplied to the apparatus in a solid state, e.g. rod, and melted before application the driving means for the material being manual, mechanical or electrical comprising a piston

Definitions

  • the present invention relates to a Walkerklebe réelle, in particular a Bank of Trusted Access (WMA) Service, and a system with such Walkerklebe réelle and a stick of adhesive.
  • check valves at the outlet tip used to ensure that adhesive exits only when sufficient feed force is applied.
  • these check valves again have the disadvantage that the fact that the liquefied adhesive solidifies again after switching off the heating means, it to Blockages may occur at the check valve, which can only be remedied by a manual cleaning of the check valves.
  • the publication EP 0 381 440 A2 discloses a Walkerklebe réelle with a feed mechanism to supply a solid body of a melting chamber.
  • the feeding mechanism includes a retraction device for slightly shifting the body to a retracted position following an ejection operation.
  • the feeding mechanism has a relief device to allow the body to rest after movement to the retracted position to provide additional space for molten material in the melting chamber due to thermal expansion of the material.
  • Object of the present invention is to provide a simple and inexpensive solution for returning a stick in a Walkerklebe réelle to ensure after a caused by a feed force ejection operation liquefied adhesive that when a disappearance of the feed force no already liquefied adhesive exits the Schuberich.
  • the object should be based on the probability of failure or the susceptibility of the device to realize in particular by reducing the number of components, thereby achieving an increased life of a Schube réelles and bonding by reconsolidated adhesive.
  • the guide means of the hot-melt adhesive device comprise spring means which are designed and arranged as an elastic element made of an elastomer so that a restoring force is built up in the spring means by the action of a feed force acting on the contact section in the feed direction by elastic deformation is, which acts counter to the feed direction on the contact section, in order to lead this back to the starting position. If an adhesive rod is guided in these guide means, a restoring force is built up in the spring means by advancing the adhesive rod in the feed direction. If the feed force (in terms of amount) decreases below the restoring force, for example because the user no longer actuates a corresponding feed mechanism, the adhesive bar is guided back against the feed direction.
  • the training as an elastic element made of an elastomer, in particular of silicone, rubber and / or synthetic rubber, is elastically deformed during advancement of the adhesive rod by the adhesive rod, that by the deformation resistance, the restoring force acting in a direction opposite to the feed force on is built up the voltage applied to the adhesive rod abutting portion.
  • the use of such an elastic element has, in particular over mechanical solutions, the advantage that they are particularly robust against burdens and their functionality can be difficult to adversely affected by bonding by reconsolidated adhesive.
  • the spring means in this design are simple and inexpensive to produce as moldings.
  • the elastic element preferably has a Shore hardness of between 30 and 100 Shore, particularly preferably between 50 and 70 Shore, since this allows particularly favorable values for the friction and / or restoring force to be achieved.
  • the adhesive rod by a substantially conical recess which preferably widens at an angle between 0 ° and 30 °, more preferably between 5 ° and 10, and / or record a lip portion forming recess of the spring means , These recesses forms the contact section with.
  • Such a cone and / or such a lip has the advantage that the, in particular designed as a ring and / or line section contact portion in its extension in Feed direction is minimized, thereby increasing the force per surface area in the contact section with otherwise identical guide means and thus a secure concern of the guide and spring means is secured to the adhesive rod during the leadership and / or provision, wherein, in contrast to a narrow annular configuration of Spring means (with a cylindrical recess shape), at the same time the deformation resistance of a thicker portion of the spring means are used.
  • the recess widens in the feed direction.
  • an advantageous elastic deformation of the spring means is made possible, in particular, the contact portion can move freely in the recessed area, whereby a housing construction is made possible in which the spring means in its outermost deflection in (and / or counter) permanently limited the feed direction can be
  • the friction and restoring force should be dimensioned such that a sufficient restoring force is achieved for resetting the adhesive rod by deformation of the elastic element, but the frictional force is not too great in order to block advancement of the adhesive rod or to enable only with considerable force, which would counteract especially a possibility of sensitive dosage.
  • the guide means according to the invention are preferably in Walkerklebe réelle in the feed direction at a distance of at least 1 cm, more preferably at least 2 cm, more preferably at least 3 cm, and / or at a distance corresponding to at least twice, preferably five times, the diameter of the adhesive rod used . arranged in front of the heating means.
  • the contact section is thus clearly in front of the heating means on the adhesive rod, which is not heated in this position by heating means and thus liquefied or at least softened, whereby on the one hand a good guiding and / or restoring action of the guide means is ensured and on the other hand, the disadvantages could occur due to adhesion of the cooling adhesive, do not occur.
  • the inner diameter of the receiving region enclosed by the contact section of the guide means in a free state, in which no adhesive rod is received in the receiving region, is preferably smaller than the outer diameter of the glue stick in at least one radial direction (ie, a direction perpendicular to the feed direction).
  • the contact portion is circumferentially closed on the adhesive rod.
  • the guide means can absorb forces on the adhesive rod in any radial direction and thus lead them safely.
  • the spring means are formed by an elastic element made of an elastomer such as a silicone sleeve, a sealing effect can be achieved and / or the sealing means can be formed.
  • the outer contour of the adhesive rod has in particular a cylindrical outer contour whose diameter is between 0 cm and 2 cm, preferably between 0.5 cm and 1 cm.
  • the inventive design of the Wienklebeterrorisms contributes in a particularly synergistic manner to a large-scale production of appropriate Schubeellan because the problem underlying the invention is solved in a particularly simple manner, by the use of cost-producible elements, which without manual intervention or error-prone fitting - And / or control mechanisms automatically in the device housings, in particular automated injection molded housings, can be arranged.
  • the solution according to the invention in the formation of the spring means by an elastic member made of an elastomer, the solution according to the invention is also characterized by its robustness and at the same time lightweight construction.
  • Such a lightweight and robust design is particularly suitable for portable heaters that are not operated via cable connections or the like with mains voltage, but in which the power supply of the heating means by arranged in the device power storage means, such as accumulators occurs.
  • a shoulder or collar in particular an annular collar, on the outer contour of the spring means.
  • This can by abutment against abutting edges of the housing, which are preferably formed by integrally formed with the housing means for holding and / or insertion, record in or against the feed direction acting forces and secure the positioning of the spring means in the housing.
  • the butting edge in cooperation with the preferred means for holding and / or inserting integral with the housing, in a preferred non-symmetrical arrangement (in the advancing direction) serves as an anti-rotation device in the manufacture of the heating adhesive device or upon insertion of the spring means into the device housing , whereby in particular the correct alignment of the conical receiving area and / or the lip portion is ensured.
  • spring means 10 are formed as a one-piece elastic element in the form of a silicone sleeve. In their interior, the spring means have a substantially conical recess 14 for receiving an adhesive rod 30 (not shown).
  • the inner diameter 18 of the receiving region enclosed by the bearing portion 16 is smaller than the outer diameter of an adhesive rod 30 to be used, which in its outer contour is substantially has cylindrical shape.
  • the spring means 10 have in their outer contour an annular collar 12 which projects beyond the remaining spring means 10.
  • Fig. 2 shown Schuklebeterrorism comprises in a housing spring means 10 as a guide means 11, which according to the Fig. 1a and 1b are formed as an elastic element made of silicone.
  • a housing spring means 10 as a guide means 11, which according to the Fig. 1a and 1b are formed as an elastic element made of silicone.
  • an adhesive rod 30 is received, wherein the spring means 10 on a (not shown here) contact portion 16, which limits the conical recess, abut the adhesive rod.
  • the spring means 10 are secured in the feed direction by the annular collar 12 with respect to the housing in cooperation with integrally formed with the housing means for holding in the form of a negative fit in position.
  • the not symmetrical in the feed direction shaping of the spring means, in particular by the annular collar 12, together with the negative fit ensures the correct alignment of the spring means 10 and thus the correct orientation of the conical recess 14th
  • heating means 50 Downstream of the spring means 10 in the feed direction R are sealing means 40, then heating means 50 which enclose a heating and / or melting region.
  • the heating means 50 is further downstream of an outlet tip 60 in the feed direction R.
  • the adhesive rod 30 When using the Walkerkleberaces the adhesive rod 30 is guided in the feed direction to the heating means to be melted there and then to pass through the outlet tip 60 to the outside.
  • the position of the adhesive rod 30 When advancing the position of the adhesive rod 30 is set perpendicular to the feed direction R by the guide means 11. Since the inner diameter 18 of the receiving portion enclosed by the receiving portion 16 is smaller than the outer diameter of the adhesive rod 30, the spring means 10 are firmly against the adhesive rod 30.
  • the movement of the adhesive rod 30 in the feed direction is formed in the contact portion 16 of the spring means 10, a force that pulls the contact portion 16 in the feed direction, whereby the spring means 10 deform so elastically that a restoring force against the feed direction R is built to this to the starting position to lead back. If the feed force on the contact section 16 drops below this restoring force, it is returned to the original position.
  • the adhesive rod 30 is thereby guided back against the advancing direction 30, wherein already liquefied adhesive is guided back into the heating and / or reflow region by material connection.
  • a negative pressure in the heating or melting area of the additionally liquefied adhesive is caused by the seal 40 during the return of the adhesive rod 30.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Coating Apparatus (AREA)

Claims (11)

  1. Appareil de collage à chaud, en particulier pistolet de collage à chaud, avec des moyens de guidage (11) disposés dans un boîtier d'appareil pour le guidage d'un bâton de colle (30) dans une direction d'avancement (R) vers une zone de chauffage et/ou de fusion, dans lequel il est prévu des moyens de chauffage (50) pour la fusion au moins locale du bâton de colle (30), dans lequel les moyens de guidage (11) présentent une partie d'appui (16) pour l'appui latéral sur le bâton de colle (30) et pour le guidage du bâton de colle (30) dans la direction d'avancement (R), caractérisé en ce que les moyens de guidage (11) comprennent des moyens de ressort (10), réalisés sous la forme d'un élément élastique en un élastomère, en particulier en silicone, caoutchouc et/ou caoutchouc synthétique, qui sont réalisés et disposés de telle manière que par une action dynamique d'une force agissant dans la direction d'avancement (R) sur la partie d'appui (16) il se crée dans les moyens de ressort (10), par déformation élastique, une force de rappel, qui agit à l'opposé de la direction d'avancement (R) sur la partie d'appui (16).
  2. Appareil de collage à chaud selon la revendication 1, caractérisé en ce que le matériau de l'élément élastique présente une dureté Shore comprise entre 30 et 100 Shore, de préférence entre 50 et 70 Shore.
  3. Appareil de collage à chaud selon la revendication 1 ou 2, caractérisé en ce qu'il est prévu dans les moyens de guidage (11), en particulier dans les moyens de ressort (10), un évidement conique (14) et/ou une partie de lèvre pour recevoir le bâton de colle (30), dans lequel ces derniers s'élargissement de préférence dans la direction d'avancement.
  4. Appareil de collage à chaud selon l'une quelconque des revendications précédentes, caractérisé en ce que les moyens de ressort (10) sont disposés dans la direction d'avancement (R) à une distance prédéterminée en avant des moyens de chauffage (50), qui vaut au moins 1 cm, de préférence au moins 2 cm, et de préférence encore au moins 3 cm.
  5. Appareil de collage à chaud selon l'une quelconque des revendications précédentes, caractérisé en ce que les moyens de ressort (10) présentent dans leur pourtour extérieur un épaulement ou un rebord, en particulier un rebord annulaire (12).
  6. Appareil de collage à chaud selon l'une quelconque des revendications précédentes, caractérisé en ce que le boîtier d'appareil est réalisé sous la forme d'un boîtier en matière plastique, en particulier un boîtier moulé par injection, qui est doté de moyens de siège pour le maintien et/ou l'introduction de l'élément élastique venant de matière.
  7. Appareil de collage à chaud selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il est prévu dans le boîtier, pour réaliser un dispositif portable sans câble, un accumulateur de courant, qui est en liaison électrique conductrice avec les moyens de chauffage (50).
  8. Système avec un appareil de collage à chaud selon l'une quelconque des revendications précédentes et un bâton de colle (30).
  9. Système selon la revendication 8, caractérisé en ce qu'il est prévu des moyens d'étanchéité (40), qui sont réalisés et disposés de telle manière qu'il se produise, par un recul du bâton de colle (30) au moyen de la force de rappel des moyens de ressort (10), dans la zone de chauffage et/ou de fusion une dépression, qui attire de la colle liquéfiée dans une pointe de sortie (60) faisant suite à la zone de chauffage et/ou de fusion dans la direction d'avancement, à l'opposé de la direction d'avancement (R) dans la zone de fusion.
  10. Système selon la revendication 8 ou 9, caractérisé en ce que la partie d'appui (16) des moyens de guidage (11) s'applique en périphérie fermée sur le bâton de colle (30) d'une manière telle qu'un effet d'étanchéité, en particulier par rapport à la zone de chauffage et/ou de fusion, soit obtenu.
  11. Système selon une des revendications 9 à 10, caractérisé en ce qu'un diamètre intérieur libre (18) de la partie d'appui (16) forme, par rapport à un contour extérieur cylindrique du bâton de colle à guider (30), une dimension inférieure et/ou un ajustement serré permettant un glissement prédéterminé.
EP13191899.7A 2012-11-07 2013-11-07 Appareil de collage à chaud et système doté d'un tel appareil de collage à chaud et d'un bâton de colle Active EP2730342B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012110680.0A DE102012110680A1 (de) 2012-11-07 2012-11-07 Heizklebegerät sowie ein System mit einem solchen Heizklebegerät und einem Kleberstab

Publications (2)

Publication Number Publication Date
EP2730342A1 EP2730342A1 (fr) 2014-05-14
EP2730342B1 true EP2730342B1 (fr) 2017-12-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP13191899.7A Active EP2730342B1 (fr) 2012-11-07 2013-11-07 Appareil de collage à chaud et système doté d'un tel appareil de collage à chaud et d'un bâton de colle

Country Status (2)

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EP (1) EP2730342B1 (fr)
DE (1) DE102012110680A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021261628A1 (fr) * 2020-06-26 2021-12-30 오철환 Pistolet à colle en bâton de taille libre

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110604357B (zh) * 2018-06-14 2022-07-22 广州碧绿丝生物科技有限公司 一种假发粘接装置以及假发粘接方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4951846A (en) * 1989-02-02 1990-08-28 Minnesota Mining And Manufacturing Company Hot melt applicator with anti-drip mechanism
DE20015373U1 (de) 2000-09-05 2000-12-21 Steinel Gmbh & Co Kg Klebstoffkartusche
TW493537U (en) * 2001-06-15 2002-07-01 Gene Yu Ent Ltd Structure for heating nozzle of thermal melting gun
US20120048889A1 (en) * 2010-08-26 2012-03-01 Huang Yung-Kuan Pusher Unit of Glue Applicator

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021261628A1 (fr) * 2020-06-26 2021-12-30 오철환 Pistolet à colle en bâton de taille libre

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Publication number Publication date
DE102012110680A1 (de) 2014-05-08
EP2730342A1 (fr) 2014-05-14

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