EP0492230A1 - Fastening element for insulation panels - Google Patents

Fastening element for insulation panels Download PDF

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Publication number
EP0492230A1
EP0492230A1 EP91121031A EP91121031A EP0492230A1 EP 0492230 A1 EP0492230 A1 EP 0492230A1 EP 91121031 A EP91121031 A EP 91121031A EP 91121031 A EP91121031 A EP 91121031A EP 0492230 A1 EP0492230 A1 EP 0492230A1
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EP
European Patent Office
Prior art keywords
segments
recess
fastening element
head
extension
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
EP91121031A
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German (de)
French (fr)
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EP0492230B1 (en
Inventor
Walter Rothenbühler
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Hilti AG
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Hilti AG
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Priority to AT91121031T priority Critical patent/ATE101676T1/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/762—Exterior insulation of exterior walls
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
    • E04F13/04—Bases for plaster
    • E04F13/045—Means for fastening plaster-bases to a supporting 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S411/00—Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
    • Y10S411/923—Nail, spike or tack having specific head structure

Definitions

  • the invention relates to a fastening element for fastening insulation plates to components with a large-area head and a shaft projecting therefrom, the head and shaft being penetrated by a recess having an abutment for a mounting element and projecting at right angles to the longitudinal axis in the head-side mouth region of the recess against the center thereof arranged, flexible segments are present.
  • a two-part fastening element for fastening a roof insulation is known from US Pat. No. 4,884,932.
  • the fastening element consists of a head and a shaft protruding therefrom, which has a recess which serves to receive and hold a mounting element.
  • a thermally insulating plug is pressed into the interior of the recess through the opening on the head side after the fastening.
  • the fastening element has segments in the mouth-side region of the recess, which are bent over when the plug is inserted and bent back again by a stop shoulder of the plug, so that the plug cannot fall out of the recess.
  • the segments are made of the same material as the fastener.
  • This two-part fastening element is used for fastening insulation panels on plywood cladding or on wooden or metal supports arranged side by side. Nails serve as mounting elements. Fastening insulation plates to metal supports using screws requires a long preparation time for the production of corresponding threads.
  • the invention has for its object to provide a fastening element which, even when using a setting tool which plunges into the recess, enables the recess to be closed automatically after the setting process and a plaster layer to be fastened in the region of the recess.
  • the recess in the head-side mouth region has an expansion of the diameter by at least twice the wall thickness of a segment and the depth of the expansion extending from the head-side end corresponds to at least the free length of a segment.
  • the mouth of a setting tool supplied to the recess can thus be centered, so that it comes to lie centrally in the recess.
  • the segments are bent inwards and lie against the inner circumference of the extension.
  • the surfaces of the bent segments facing the center of the fastening element form an extension of the recess and thus an extension of the guide area for the mouth of the setting tool.
  • the extension advantageously has a circumferential chamfer which widens towards the mouth on the head side. In this way the attachment and centering of the setting tool is facilitated.
  • the invention is expediently characterized in that the widening has recesses which run in the radial direction and carry the connection points for the segments. In this way it is possible to form the bending edge of the segments in the area of the connection points in such a way that a larger bending radius is created. The elasticity of the segments is therefore retained. With plastic parts in particular, there is a risk that material expansion and material damage can occur if the kink is too angular.
  • the oblique surface of the circumferential chamfer arranged in the mouth-side region of the fastening element extends tangentially to the center-side bending edge of the bent segment.
  • connection points of the segments advantageously adjoin the area of the circumferential chamfer of the extension. In this way a pre-centering of the mouth of the setting tool via the chamfer is achieved and the shearing off of segments is prevented.
  • the segments advantageously have a predetermined bending point in the form of a cross-sectional constriction. This ensures that all segments are bent evenly.
  • the reduction in cross-section is achieved while maintaining the thickness of the segment by reducing the width in the region of the connection point of the segment. By shortening the bending edge, a better bending of the segment is achieved.
  • the mounting element 5 consists of a bolt.
  • Bores 3a are located on the surface 3c of the head 3 facing away from the shaft 4. Segments 6 arranged in the mouth area of the recess 4b protrude toward the center.
  • the length of the bending line 6c must be shortened. This is done by concave depressions arranged against each other on the bending line 6c 6b.
  • the segments 6 are arranged in radially extending recesses 4f of the extension 4d.
  • the remaining webs 4e formed when the recesses 4f are formed form an extension of the enlargement 4d of the recess 4b.
  • Plaster material can accumulate in the through bores 3a, which are likewise arranged in the head region of the fastening element 1. Due to the cylindrical shape of the bore 3a, the plug of the plaster layer 9 shown in FIG. 5, which can be hardened therein, is also cylindrical. The relatively large cross sections of these plugs can absorb larger shear forces generated by the weight of the plaster layer 9.
  • the extension 4d shows the mouth area of the extension 4d.
  • the recesses 4f running radially in the mouth region 4c carry the connection points 6a for the segments 6 directed towards the center.
  • the extension 4d has a depth which essentially corresponds to the length of a segment 6.
  • the connection points 6a of the segments 6 in the corresponding recesses 4f adjoin the area of the circumferential chamfer 7 of the extension 4d.
  • the assembly of a fastening element 1 can be seen.
  • the fastening element 1 projects with the shaft 4 through an insulation plate 2 and is supported on the component A with the shaft end face 4g.
  • the fastening element 1 is held by means of a mounting element 5 in the form of a bolt 5 driven into the component A.
  • a mounting element 5 in the form of a bolt 5 driven into the component A.
  • the mouth 8a of a setting tool 8 In the recess 4b of the fastening element 1 there is the mouth 8a of a setting tool 8.
  • the segments 6 are bent inwards and lie between the mouth 8a of the Setting tool 8 and the extension 4d of the recess 4b. In this way, the extension of the guide area for the mouth 8a of the setting tool 8 is achieved and damage to the segments 6 is prevented.
  • Fig. 5 shows an assembled fastener 1.
  • the flexible segments 6 spring back until they are bent slightly inward towards the recess 4b and reach their end position.
  • a plaster layer 9 is subsequently applied, it passes between the gaps 6f of the segments 6 and through the opening 6e behind the segments 6.
  • an attachment which acts behind it takes place in the region of the segments 6.
  • the air space which is located in the recess 4b between the abutment 4a for the bolt head 5a of the bolt 5 and the closed segments 6 serves as heat insulation.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Acoustics & Sound (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Connection Of Plates (AREA)
  • Laminated Bodies (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Finishing Walls (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Insulating Bodies (AREA)
  • Dowels (AREA)

Abstract

The fastening element (1) for insulation panels (2) is fastened to a hard building component (A) by means of a setting implement. To prevent damage to segments (6) in the mouth region of the recess (4b), the recess (4b) has a widening (4d). The latter corresponds to twice the wall thickness of a segment (6) and has a depth corresponding to the length of a segment (6). Thus, on introducing the mouth (8a) of a setting implement (8), besides the recess (4b) the bent segments (6) also serve as a guide face. On applying a coat of plaster (9), plaster material gets behind the bent-up segments (6) so that a fastening acting in a manner so as to engage behind is ensured. <IMAGE>

Description

Die Erfindung betrifft ein Befestigungselement zum Befestigen von Isolationsplatten an Bauteilen mit einem grossflächigen Kopf und einem von diesem abragenden Schaft, wobei Kopf und Schaft von einer ein Widerlager für ein Montageelement aufweisenden Ausnehmung durchsetzt sind und im kopfseitigen Mündungsbereich der Ausnehmung gegen deren Zentrum ragende rechtwinklig zur Längsachse angeordnete, biegsame Segmente vorhanden sind.The invention relates to a fastening element for fastening insulation plates to components with a large-area head and a shaft projecting therefrom, the head and shaft being penetrated by a recess having an abutment for a mounting element and projecting at right angles to the longitudinal axis in the head-side mouth region of the recess against the center thereof arranged, flexible segments are present.

Aus der US-PS 4 884 932 ist ein zweiteiliges Befestigungselement für die Befestigung einer Dachisolierung bekannt. Das Befestigungselement besteht aus einem Kopf und einem von diesem abragenden Schaft, der eine der Aufnahme und Halterung eines Montageelementes dienende Ausnehmung aufweist.A two-part fastening element for fastening a roof insulation is known from US Pat. No. 4,884,932. The fastening element consists of a head and a shaft protruding therefrom, which has a recess which serves to receive and hold a mounting element.

Zur Vermeidung einer Kältebrücke im Bereich des Befestigungselementes wird nach der Befestigung ein thermisch isolierender Stopfen durch die kopfseitige Oeffnung in das Innere der Ausnehmung gedrückt. Das Befestigungselement weist im mündungsseitigen Bereich der Ausnehmung Segmente auf, die beim Einführen des Stopfens umgebogen und von einer Anschlagschulter des Stopfens wieder zurückgebogen werden, so dass der Stopfen nicht aus der Ausnehmung fallen kann. Die Segmente bestehen aus dem gleichen Material wie das Befestigungselement.In order to avoid a cold bridge in the area of the fastening element, a thermally insulating plug is pressed into the interior of the recess through the opening on the head side after the fastening. The fastening element has segments in the mouth-side region of the recess, which are bent over when the plug is inserted and bent back again by a stop shoulder of the plug, so that the plug cannot fall out of the recess. The segments are made of the same material as the fastener.

Anwendung findet dieses zweiteilige Befestigungselement bei der Befestigung von Isolationsplatten auf Sperrholzverkleidungen oder auf nebeneinanderliegend angeordneten Holz- bzw. Metallträgern. Als Montageelemente dienen Nägel. Die Befestigung von Isolationsplatten auf Metallträgern mittels Schrauben bedingt eine lange Vorbereitungszeit für die Herstellung entsprechender Gewinde.This two-part fastening element is used for fastening insulation panels on plywood cladding or on wooden or metal supports arranged side by side. Nails serve as mounting elements. Fastening insulation plates to metal supports using screws requires a long preparation time for the production of corresponding threads.

Werden solche Befestigungselemente mittels einer Putzschicht überzogen, so ergibt sich im Bereich der kopfseitigen Oeffnung keine ausreichende Haftung der Putzschicht. Durch den eingesetzten Stopfen kann der Putz nicht hinter die Segmente gelangen und somit eine hintergreifende Befestigung gewährleisten. Würde sich der Stopfen nicht in der Ausnehmung befinden, ist nicht gewährleistet, dass sich die Segmente ausreichend in ihre rechtwinklige Lage zur Längsachse zurückbiegen, da eine Ueberdehnung durch das Setzwerkzeug für die Bolzen nicht ausgeschlossen ist. Für die Haftung der Putzschicht können die Segmente damit wiederum nicht zur Verfügung stehen. Zudem würde beim Fehlen des Stopfens derart viel Putzmaterial in die Ausnehmung gelangen, dass sich eine Kältebrücke bzw. Wärmebrücke bildet.If such fasteners are coated with a plaster layer, this results in the area of the head Opening does not adhere sufficiently to the plaster layer. Due to the plug used, the plaster can not get behind the segments and thus ensure an attachment behind. If the stopper were not in the recess, there is no guarantee that the segments will bend sufficiently back into their right-angled position to the longitudinal axis, since an overstretching by the setting tool for the bolts cannot be ruled out. The segments cannot be used to adhere the plaster layer. In addition, in the absence of the stopper, so much cleaning material would get into the recess that a cold bridge or thermal bridge is formed.

Der Erfindung liegt die Aufgabe zugrunde, ein Befestigungselement zu schaffen, das selbst bei der Verwendung eines, in die Ausnehmung eintauchenden Setzwerkzeuges, ein selbsttätiges Verschliessen der Ausnehmung nach dem Setzvorgang und die Befestigung einer Putzschicht im Bereich der Ausnehmung ermöglicht.The invention has for its object to provide a fastening element which, even when using a setting tool which plunges into the recess, enables the recess to be closed automatically after the setting process and a plaster layer to be fastened in the region of the recess.

Diese Aufgabe wird nach der Erfindung dadurch gelöst, dass die Ausnehmung im kopfseitigen Mündungsbereich eine Erweiterung des Durchmessers um wenigstens das Doppelte der Wandstärke eines Segmentes aufweist und die sich vom kopfseitigen Ende erstreckende Tiefe der Erweiterung wenigstens der freien Länge eines Segmentes entspricht.This object is achieved according to the invention in that the recess in the head-side mouth region has an expansion of the diameter by at least twice the wall thickness of a segment and the depth of the expansion extending from the head-side end corresponds to at least the free length of a segment.

Auf diese Weise wird gewährleistet, dass selbst bei der Verwendung eines Setzgerätes keine schädliche Beanspruchung der Segmente erfolgt. Somit kann die der Ausnehmung zugeführte Mündung eines Setzgerätes zentriert werden, so dass diese zentral in der Ausnehmung zu liegen kommt. Die Segmente sind dabei nach innen gebogen und liegen am inneren Umfang der Erweiterung an. Die dem Zentrum des Befestigungselementes zugewandten Flächen der umgebogenen Segmente bilden eine Verlängerung der Ausnehmung und somit eine Verlängerung des Führungsbereiches für die Mündung des Setzgerätes.This ensures that even when using a setting tool, there is no harmful stress on the segments. The mouth of a setting tool supplied to the recess can thus be centered, so that it comes to lie centrally in the recess. The segments are bent inwards and lie against the inner circumference of the extension. The surfaces of the bent segments facing the center of the fastening element form an extension of the recess and thus an extension of the guide area for the mouth of the setting tool.

Vorteilhafterweise weist die Erweiterung eine sich zur kopfseitigen Mündung erweiternde, umlaufende Anfasung auf. Auf diese Weise wird das Ansetzen und das Zentrieren des Setzgerätes erleichtert.The extension advantageously has a circumferential chamfer which widens towards the mouth on the head side. In this way the attachment and centering of the setting tool is facilitated.

Zweckmässigerweise zeichnet sich die Erfindung dadurch aus, dass die Erweiterung in radialer Richtung verlaufende, die Verbindungsstellen für die Segmente tragende Vertiefungen aufweist. Auf diese Weise ist es möglich, die Biegekante der Segmente im Bereich der Verbindungsstellen so auszubilden, dass ein grösserer Biegeradius entsteht. Die Elastizität der Segmente bleibt somit erhalten. Speziell bei Kunststoffteilen besteht die Gefahr, dass bei allzu kantiger Abknickung eine Materialdehnung uns somit eine Materialbeschädigung auftreten kann.The invention is expediently characterized in that the widening has recesses which run in the radial direction and carry the connection points for the segments. In this way it is possible to form the bending edge of the segments in the area of the connection points in such a way that a larger bending radius is created. The elasticity of the segments is therefore retained. With plastic parts in particular, there is a risk that material expansion and material damage can occur if the kink is too angular.

Die schräge Fläche der im mündungsseitigen Bereich des Befestigungselementes angeordneten, umlaufenden Anfasung verläuft in ihrer Verlängerung tangential zur zentrumsseitigen Biegekante des abgebogenen Segmentes. Beim exzentrischen Ansetzen des Setzgerätes gleitet die Mündung über die schräge Fläche der Anfasung und anschliessend über die Biegekante wenigstens eines sich in Biegung befindlichen Segments in die zentrische Stellung.The oblique surface of the circumferential chamfer arranged in the mouth-side region of the fastening element extends tangentially to the center-side bending edge of the bent segment. When the setting tool is placed eccentrically, the mouth slides into the central position over the inclined surface of the chamfer and then over the bending edge of at least one segment that is in bending.

Vorteilhafterweise schliessen sich die Verbindungsstellen der Segmente an den Bereich der umlaufenden Anfasung der Erweiterung an. Auf diese Weise wird eine Vorzentrierung der Mündung des Setzgerätes über die Anfasung erreicht und das Abscheren von Segmenten verhindert.The connection points of the segments advantageously adjoin the area of the circumferential chamfer of the extension. In this way a pre-centering of the mouth of the setting tool via the chamfer is achieved and the shearing off of segments is prevented.

Vorteilhafterweise weisen die Segmente eine Sollbiegestelle in Form einer Querschnittsverengung auf. Somit wird ein gleichmässiges Verbiegen aller Segmente erreicht. Die Querschnittsverringerung wird unter Beibehaltung der Dicke des Segmentes durch eine Reduzierung der Breite im Bereich der Verbindungsstelle des Segmentes erreicht. Durch die Verkürzung der Biegekante wird eine bessere Biegung des Segmentes erreicht.The segments advantageously have a predetermined bending point in the form of a cross-sectional constriction. This ensures that all segments are bent evenly. The reduction in cross-section is achieved while maintaining the thickness of the segment by reducing the width in the region of the connection point of the segment. By shortening the bending edge, a better bending of the segment is achieved.

Die Erfindung wird anhand eines Ausführungsbeispieles näher erläutert. Es zeigen:

Fig. 1
einen Querschnitt des Befestigungselementes gemäss Linie I-I in Fig. 2;
Fig. 2
eine Darstellung des Befestigungselementes gemäss Fig. 1 in Richtung II;
Fig. 2a
eine vergrösserte Darstellung des Aufnahmebereiches eines Segmentes;
Fig. 3
einen Detailausschnitt des Befestigungselementes mit gegen das Zentrum ragenden Segmenten gemäss Linie III-III in Fig. 2;
Fig. 4
einen Detailausschnitt des Befestigungselementes mit in die Ausnehmung hineinragender Mündung eines Setzgerätes;
Fig. 5
ein Befestigungselement in montiertem Zustand.
The invention is explained in more detail using an exemplary embodiment. Show it:
Fig. 1
a cross section of the fastener according to line II in Fig. 2;
Fig. 2
a representation of the fastener of Figure 1 in the direction II.
Fig. 2a
an enlarged view of the recording area of a segment;
Fig. 3
a detailed section of the fastener with segments projecting towards the center according to line III-III in Fig. 2;
Fig. 4
a detailed section of the fastening element with the mouth of a setting tool protruding into the recess;
Fig. 5
a fastener in the assembled state.

Die Fig. 1 zeigt ein Befestigungselement 1 mit einem grossflächigen Kopf 3, mit einem von diesem abragenden Schaft 4 mit einer ein Widerlager 4a für ein Montageelement 5 bildenden Ausnehmung 4b. Das Montageelement 5 besteht aus einem Bolzen.1 shows a fastening element 1 with a large-area head 3, with a shaft 4 protruding therefrom with a recess 4b forming an abutment 4a for a mounting element 5. The mounting element 5 consists of a bolt.

Auf der dem Schaft 4 abgewandten Oberfläche 3c des Kopfs 3 befinden sich Bohrungen 3a. Im Mündungsbereich der Ausnehmung 4b angeordnete Segmente 6 ragen gegen das Zentrum.Bores 3a are located on the surface 3c of the head 3 facing away from the shaft 4. Segments 6 arranged in the mouth area of the recess 4b protrude toward the center.

Die Fig. 2 und 2a zeigen eine vergrösserte Darstellung der Segmente 6. Um bei gleichbleibender Dicke der Segmente 6 eine Querschnittsreduzierung zu erreichen, muss die Länge der Biegelinie 6c verkürzt werden. Dies erfolgt durch gegeneinander auf der Biegelinie 6c angeordnete, konkave Vertiefungen 6b. Die Segmente 6 sind in radial verlaufenden Vertiefungen 4f der Erweiterung 4d angeordnet. Die bei der Anbringung der Vertiefungen 4f entstehenden Reststege 4e bilden eine Verlängerung der Erweiterung 4d der Ausnehmung 4b. In den ebenfalls im Kopfbereich des Befestigungselementes 1 angeordneten Durchgangsbohrungen 3a kann sich Putzmaterial ansammeln. Aufgrund der zylindrischen Form der Bohrung 3a ist der darin aushärtbare Pfropfen der in Fig. 5 dargestellten Putzschicht 9 ebenfalls zylindrisch. Die relativ grossen Querschnitte dieser Pfropfen können grössere durch das Gewicht der Putzschicht 9 erzeugte Scherkräfte aufnehmen.2 and 2a show an enlarged representation of the segments 6. In order to achieve a reduction in cross-section while the thickness of the segments 6 remains the same, the length of the bending line 6c must be shortened. This is done by concave depressions arranged against each other on the bending line 6c 6b. The segments 6 are arranged in radially extending recesses 4f of the extension 4d. The remaining webs 4e formed when the recesses 4f are formed form an extension of the enlargement 4d of the recess 4b. Plaster material can accumulate in the through bores 3a, which are likewise arranged in the head region of the fastening element 1. Due to the cylindrical shape of the bore 3a, the plug of the plaster layer 9 shown in FIG. 5, which can be hardened therein, is also cylindrical. The relatively large cross sections of these plugs can absorb larger shear forces generated by the weight of the plaster layer 9.

Die Fig. 3 zeigt den Mündungsbereich der Erweiterung 4d. Die im Mündungsbereich 4c radial verlaufenden Vertiefungen 4f tragen die Verbindungsstellen 6a für die gegen das Zentrum gerichteten Segmente 6. Die Erweiterung 4d weist eine Tiefe auf, die im wesentlichen der Länge eines Segmentes 6 entspricht. Die Verbindungsstellen 6a der Segmente 6 in den entsprechenden Ausnehmungen 4f schliessen sich an den Bereich der umlaufenden Anfasung 7 der Erweiterung 4d an. Die nicht ganz bis zum Zentrum ragenden Segmente 6 bilden mit ihren im wesentlichen spitzigen Enden 6d eine kreisrunde Oeffnung 6e.3 shows the mouth area of the extension 4d. The recesses 4f running radially in the mouth region 4c carry the connection points 6a for the segments 6 directed towards the center. The extension 4d has a depth which essentially corresponds to the length of a segment 6. The connection points 6a of the segments 6 in the corresponding recesses 4f adjoin the area of the circumferential chamfer 7 of the extension 4d. The segments 6, which do not extend all the way to the center, form a circular opening 6e with their essentially pointed ends 6d.

In der Fig. 4 ist die Montage eines Befestigungselementes 1 erkennbar. Das Befestigungselement 1 ragt mit dem Schaft 4 durch eine Isolationsplatte 2 und stützt sich mit der Schaftstirnseite 4g am Bauteil A ab. Gehalten wird das Befestigungselement 1 mittels eines Montageelementes 5 in Form eines in das Bauteil A eingetriebenen Bolzen 5. In der Ausnehmung 4b des Befestigungselementes 1 befindet sich die Mündung 8a eines Setzgerätes 8. Die Segmente 6 sind nach innen abgebogen und liegen zwischen der Mündung 8a des Setzgerätes 8 und der Erweiterung 4d der Ausnehmung 4b. Auf diese Weise wird die Verlängerung des Führungsbereiches für die Mündung 8a des Setzgerätes 8 erreicht und eine Beschädigung der Segmente 6 verhindert.4, the assembly of a fastening element 1 can be seen. The fastening element 1 projects with the shaft 4 through an insulation plate 2 and is supported on the component A with the shaft end face 4g. The fastening element 1 is held by means of a mounting element 5 in the form of a bolt 5 driven into the component A. In the recess 4b of the fastening element 1 there is the mouth 8a of a setting tool 8. The segments 6 are bent inwards and lie between the mouth 8a of the Setting tool 8 and the extension 4d of the recess 4b. In this way, the extension of the guide area for the mouth 8a of the setting tool 8 is achieved and damage to the segments 6 is prevented.

Die Fig. 5 zeigt ein montiertes Befestigungselement 1. Das Eintreiben des Bolzens 5 in das Bauteil A, das in diesem Ausführungsbeispiel aus Beton besteht, erfolgt über ein nicht dargestelltes, ansonsten bekanntes Setzgerät 8. Nach dem Herausziehen der Mündung 8a des Setzgeräts 8 aus der Ausnehmung 4b erfolgt ein Zurückfedern der biegsamen Segmente 6, bis diese leicht einwärts in Richtung Ausnehmung 4b gebogen ihre Endlage erreichen. Beim anschliessenden Aufbringen einer Putzschicht 9 gelangt diese zwischen den Spälten 6f der Segmente 6 und durch die Oeffnung 6e hindurch hinter die Segmente 6. Beim Austrocknen der Putzschicht 9 erfolgt im Bereich der Segmente 6 eine hintergreifend wirkende Befestigung. Als Wäremeisolation dient der Luftraum der sich in der Ausnehmung 4b zwischen dem Widerlager 4a für den Bolzenkopf 5a des Bolzens 5 und den verschlossenen Segmenten 6 befindet.Fig. 5 shows an assembled fastener 1. The driving of the bolt 5 into the component A, which in this Embodiment consists of concrete, takes place via a not shown, otherwise known setting tool 8. After pulling the mouth 8a of the setting tool 8 out of the recess 4b, the flexible segments 6 spring back until they are bent slightly inward towards the recess 4b and reach their end position. When a plaster layer 9 is subsequently applied, it passes between the gaps 6f of the segments 6 and through the opening 6e behind the segments 6. When the plaster layer 9 dries out, an attachment which acts behind it takes place in the region of the segments 6. The air space which is located in the recess 4b between the abutment 4a for the bolt head 5a of the bolt 5 and the closed segments 6 serves as heat insulation.

Claims (5)

Befestigungselement zum Befestigen von Isolationsplatten (2) an Bauteilen (A) mit einem grossflächigen Kopf (3) und einem von diesem abragenden Schaft (4), wobei Kopf (3) und Schaft (4) von einer ein Widerlager (4a)für ein Montageelement (5) aufweisenden Ausnehmung (4b) durchsetzt sind und im kopfseitigen Mündungsbereich (4c) der Ausnehmung (4b) gegen deren Zentrum ragende rechtwinklig zur Längsachse angeordnete, biegsame Segmente (6) vorhanden sind, dadurch gekennzeichnet, dass die Ausnehmung (4b) im kopfseitigen Mündungsbereich (4c) eine Erweiterung (4d) des Durchmessers um wenigstens das Doppelte der Wandstärke eines Segmentes (6) aufweist und die sich vom kopfseitigen Ende erstreckende Tiefe der Erweiterung (4d) wenigstens der freien Länge eines Segmentes (6) entspricht.Fastening element for fastening insulation plates (2) to components (A) with a large-area head (3) and a shaft (4) projecting therefrom, the head (3) and shaft (4) of an abutment (4a) for a mounting element (5) having recess (4b) are penetrated and in the head-side mouth region (4c) of the recess (4b) against its center there are flexible segments (6) arranged at right angles to the longitudinal axis, characterized in that the recess (4b) is located in the head-end Mouth area (4c) has an extension (4d) of the diameter by at least twice the wall thickness of a segment (6) and the depth of the extension (4d) extending from the head end corresponds to at least the free length of a segment (6). Befestigungselement nach Anspruch 1, dadurch gekennzeichnet, dass die Erweiterung (4d) eine sich zur kopfseitigen Mündung erweiternde umlaufende Anfasung (7) aufweist.Fastening element according to claim 1, characterized in that the extension (4d) has a circumferential chamfer (7) which widens towards the mouth on the head side. Befestigungselement nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Erweiterung (4d) in radialer Richtung verlaufende, die Verbindungsstellen (6a) für die Segmente (6) tragende Vertiefungen (4f) aufweist.Fastening element according to claim 1 or 2, characterized in that the extension (4d) has recesses (4f) which run in the radial direction and carry the connection points (6a) for the segments (6). Befestigungselement nach Anspruch 3, dadurch gekennzeichnet, dass die Verbindungsstellen (6a) der Segmente (6) sich an den Bereich der umlaufenden Anfasung (7) der Erweiterung (4d) anschliessen.Fastening element according to claim 3, characterized in that the connection points (6a) of the segments (6) adjoin the area of the circumferential chamfer (7) of the extension (4d). Befestigungselement nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Segmente (6) eine Sollbiegestelle (6c) in Form einer Querschnittsverringerung (6b) aufweisen.Fastening element according to one of claims 1 to 4, characterized in that the segments (6) have a predetermined bending point (6c) in the form of a reduction in cross section (6b).
EP91121031A 1990-12-24 1991-12-07 Fastening element for insulation panels Expired - Lifetime EP0492230B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT91121031T ATE101676T1 (en) 1990-12-24 1991-12-07 FASTENING ELEMENT FOR INSULATION PLATES.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4041819 1990-12-24
DE4041819A DE4041819A1 (en) 1990-12-24 1990-12-24 FASTENING ELEMENT FOR INSULATION PANELS

Publications (2)

Publication Number Publication Date
EP0492230A1 true EP0492230A1 (en) 1992-07-01
EP0492230B1 EP0492230B1 (en) 1994-02-16

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Family Applications (1)

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EP91121031A Expired - Lifetime EP0492230B1 (en) 1990-12-24 1991-12-07 Fastening element for insulation panels

Country Status (7)

Country Link
US (1) US5171118A (en)
EP (1) EP0492230B1 (en)
AT (1) ATE101676T1 (en)
CA (1) CA2058167C (en)
DE (2) DE4041819A1 (en)
ES (1) ES2049075T3 (en)
PL (1) PL166601B1 (en)

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DE4311144A1 (en) * 1993-04-05 1994-10-06 Upat Max Langensiepen Kg Fastening element for fastening insulation boards
EP0819807A1 (en) * 1996-07-19 1998-01-21 HILTI Aktiengesellschaft Fastener for lagging material
WO1998010152A1 (en) * 1996-09-05 1998-03-12 Barasch, Robert Method and apparatus for thermal insulation of buildings
DE10119116A1 (en) * 2001-04-19 2002-11-21 Frank Ritter Dowel for fastening insulation material panels to walls has closure plate for dowel shaft chamber, consisting of softer elastic material, and divided into segments
DE10119116B4 (en) * 2001-04-19 2005-08-04 Frank Ritter Insulation dowel with closure disc
DE102005025600A1 (en) * 2005-06-03 2006-12-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Nail for fastening insulation to walls has sound insulating cap which fits between its head and outer panel and has rigidity which is not greater than that of insulation
DE102010027912A1 (en) 2010-04-19 2011-10-20 Reisser Schraubentechnik Gmbh Fastening element for mounting insulation material layers on e.g. wall, has sleeve element opened in opened outer end, and screw thread-type flat rib extends at outer side of sleeve element and over whole length of sleeve element

Also Published As

Publication number Publication date
CA2058167C (en) 2002-02-26
EP0492230B1 (en) 1994-02-16
ATE101676T1 (en) 1994-03-15
CA2058167A1 (en) 1992-06-25
DE59101029D1 (en) 1994-03-24
PL166601B1 (en) 1995-06-30
US5171118A (en) 1992-12-15
PL292943A1 (en) 1992-09-07
DE4041819A1 (en) 1992-06-25
ES2049075T3 (en) 1994-04-01

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