EP2770136B1 - Fastening bracket for ceiling edge formwork - Google Patents

Fastening bracket for ceiling edge formwork Download PDF

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Publication number
EP2770136B1
EP2770136B1 EP14405010.1A EP14405010A EP2770136B1 EP 2770136 B1 EP2770136 B1 EP 2770136B1 EP 14405010 A EP14405010 A EP 14405010A EP 2770136 B1 EP2770136 B1 EP 2770136B1
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EP
European Patent Office
Prior art keywords
limb
retaining
ceiling
formwork
fastening
Prior art date
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EP14405010.1A
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German (de)
French (fr)
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EP2770136A2 (en
EP2770136A3 (en
Inventor
Pino Albanese
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
    • E04G11/365—Stop-end shutterings
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
    • E04B2005/322—Floor structures wholly cast in situ with or without form units or reinforcements with permanent forms for the floor edges

Definitions

  • Fastening brackets also called shuttering brackets, are used to fasten shuttering boards or, in the case of lost formwork, to fasten shuttering that remains on the building after the ceiling has been concreted.
  • the mounting brackets are usually attached to the ceiling formwork with nails, then the formwork is also attached to the mounting brackets with nails.
  • the mounting brackets are set in the concrete for the ceiling and are then no longer visible.
  • the known shuttering or mounting brackets are made of steel or plastic. Since purchases in construction are very cost-conscious and steel angles are more expensive than those made of plastic, various types of plastic angles are known. These include a base leg that extends into spaced position comes to lie to the ceiling shuttering and at right angles to it a bracket on which so-called nail loops, ie small spacers, are formed, which ensure a distance between the shuttering board and the retaining leg. The nails with which the shuttering board is attached to the spacer are passed through the nail loops. Since plastic angles must also have a certain minimum rigidity in order to be able to absorb the forces of the liquid concrete mass without the shuttering slab leaning outwards, precautions must be taken to ensure high rigidity.
  • Another task is to make the mounting bracket easier by means of suitable structural measures, i.e. to be able to produce with less plastic in order to reduce its production costs without reducing the rigidity.
  • nail loops are formed on the protruding part of the retaining leg, through which nails can be hammered into the slab edge formwork and hold it in place at the point most stressed by the liquid concrete mass.
  • one or more nail loops 16 can also be formed on the spur 15, through the holes 19 of which nails can be driven into the ceiling edge formwork (ceiling edge formwork not shown) in order to carry the latter and especially the latter in the to hold a predetermined position.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Description

Gegenstand der Erfindung ist ein Befestigungswinkel für Deckenrandabschalungen gemäss Oberbegriff des Patentanspruches 1.The subject of the invention is a mounting bracket for ceiling edge shuttering according to the preamble of claim 1.

Befestigungswinkel, auch Abschalwinkel genannt, dienen zum Befestigen von Abschalbrettern oder bei verlorenen Schalungen zum Befestigen von Abschalungen, die nach dem Betonieren der Decke am Bau verbleiben. Die Befestigungswinkel werden üblicherweise auf der Deckenschalung mit Nägeln befestigt, danach wird die Abschalung ebenfalls mit Nägeln an den Befestigungswinkeln angebracht. Die Befestigungswinkel werden in der Betonmasse für die Decke einbetoniert und sind danach nicht mehr sichtbar.Fastening brackets, also called shuttering brackets, are used to fasten shuttering boards or, in the case of lost formwork, to fasten shuttering that remains on the building after the ceiling has been concreted. The mounting brackets are usually attached to the ceiling formwork with nails, then the formwork is also attached to the mounting brackets with nails. The mounting brackets are set in the concrete for the ceiling and are then no longer visible.

Die bekannten Abschal- oder Befestigungswinkel sind aus Stahl oder Kunststoff hergestellt. Da auf dem Bau sehr kostenbewusst eingekauft wird und Stahlwinkel teurer sind als solche, die aus Kunststoff hergestellt werden, sind demzufolge verschiedene Ausführungen von Kunststoffwinkeln bekannt. Diese umfassen einen Basisschenkel, der in beabstandeter Lage zur Deckenabschalung zu liegen kommt und rechtwinklig dazu einen Haltewinkel, an welchem sogenannte Nagelschlaufen, d.h. kleine Distanzhalter, ausgebildet sind, welche zwischen dem Schalbrett und dem Halteschenkel einen Abstand gewährleisten. Durch die Nagelschlaufen werden die Nägel hindurchgeführt, mit denen das Schalbrett am Abstandhalter befestigt wird. Da auch Kunststoffwinkel eine gewisse minimale Steifigkeit aufweisen müssen, um die Kräfte der flüssigen Betonmasse aufnehmen zu können, ohne dass sich die Abschalplatte nach aussen neigt, müssen Vorkehrungen getroffen werden, welche eine hohe Steifigkeit gewährleisten. Einerseits ist es möglich, Kunststoffmaterialien zu verwenden, die diese Voraussetzungen erfüllen. Diese sind aber sehr teuer und daher von den Abnehmern nicht akzeptiert. Weiter ist es möglich, auf andere Weise die Festigkeit des Kunststoffwinkels zu erhöhen, auch wenn dieser aus sehr kostengünstigem Material besteht. Alle diese Massnahmen, mit Ausnahme von teuren Kunststoffprodukten, können die Anforderungen an die Festigkeit (Durchbiegung) bisher nicht erfüllen.The known shuttering or mounting brackets are made of steel or plastic. Since purchases in construction are very cost-conscious and steel angles are more expensive than those made of plastic, various types of plastic angles are known. These include a base leg that extends into spaced position comes to lie to the ceiling shuttering and at right angles to it a bracket on which so-called nail loops, ie small spacers, are formed, which ensure a distance between the shuttering board and the retaining leg. The nails with which the shuttering board is attached to the spacer are passed through the nail loops. Since plastic angles must also have a certain minimum rigidity in order to be able to absorb the forces of the liquid concrete mass without the shuttering slab leaning outwards, precautions must be taken to ensure high rigidity. On the one hand, it is possible to use plastic materials that meet these requirements. However, these are very expensive and therefore not accepted by customers. It is also possible to increase the strength of the plastic angle in other ways, even if it is made of very inexpensive material. All of these measures, with the exception of expensive plastic products, have not yet been able to meet the requirements for strength (deflection).

Das Dokument Wo 2012/113088 offenbart einen Befestigungsschenkel gemäß dem Oberbegriff des Anspruchs 1. Es ist daher eine Aufgabe der vorliegenden Erfindung, einen Befestigungswinkel zu schaffen, dessen Steifigkeit trotz Verwendung von kostengünstigem Kunststoff alle Anforderungen an die Festigkeit erfüllt.The document Where 2012/113088 discloses a fastening leg according to the preamble of claim 1. It is therefore an object of the present invention to create a fastening bracket whose rigidity meets all the requirements for strength despite the use of inexpensive plastic.

Eine weitere Aufgabe der vorliegenden Erfindung besteht darin, den Befestigungswinkel derart auszugestalten, dass insbesondere bei vorfabrizierten Decken verhindert wird, dass der Basisschenkel, der auf die Deckenschalung bzw. auf die vorfabrizierte Decke befestigt wird, durch das Gewicht der am Halteschenkel befestigten Deckenrandabschalung nicht übermässig belastet wird bzw. dass der Winkel, insbesondere wenn er aus Kunststoff hergestellt ist, nicht übermässig auf Biegung belastet wird.Another object of the present invention is to design the mounting bracket in such a way that, particularly in the case of prefabricated ceilings, it is prevented that the base leg, which is fastened to the ceiling formwork or the prefabricated ceiling, is not excessively stressed by the weight of the ceiling edge formwork attached to the retaining leg is or that the angle, especially if it is made of plastic, is not excessively loaded in bending.

Eine weitere Aufgabe besteht darin, den Befestigungswinkel durch geeignete konstruktive Massnahmen leichter auszubilden, d.h. mit weniger Kunststoff herstellen zu können, um dessen Herstellungskosten zu senken, ohne die Steifigkeit zu vermindern.Another task is to make the mounting bracket easier by means of suitable structural measures, i.e. to be able to produce with less plastic in order to reduce its production costs without reducing the rigidity.

Gelöst werden diese Aufgaben durch einen Befestigungswinkel mit den Merkmalen des Patentanspruchs 1. Vorteilhafte Ausgestaltungen des Befestigungswinkels sind in den abhängigen Ansprüchen umschrieben.These objects are achieved by a mounting bracket with the features of claim 1. Advantageous embodiments of the mounting bracket are described in the dependent claims.

Durch die Verlängerung des Halteschenkels über die Unterseite des Basisschenkels hinaus kann der über die Mauerkrone hinausstehende bzw. hinausragende Teil des Befestigungswinkels auf der Mauerkrone abgestützt und dadurch können die Kräfte einerseits durch das Gewicht der Deckenrandabschalung vollständig aufgenommen werden. In einer besonders vorteilhaften Ausgestaltung der Erfindung ist der nach unten überstehende Teil des Halteschenkels mit Sollbruchlinien beispielsweise im Abstand von 10mm versehen, so dass je nach Abstand der Sohle des Basisschenkels von der Krone der Wand an die Gegebenheiten angepasst werden kann.By extending the retaining leg beyond the underside of the base leg, the protruding or protruding part of the mounting bracket on the wall crown can be supported on the wall crown and thereby the forces can on the one hand by the weight of the Slab edge shuttering can be completely taken up. In a particularly advantageous embodiment of the invention, the downwardly protruding part of the retaining leg is provided with predetermined breaking lines, for example at a distance of 10mm, so that it can be adapted to the circumstances depending on the distance between the sole of the base leg and the crown of the wall.

In einer weiteren vorteilhaften Ausführung sind am vorstehenden Teil des Halteschenkels Nagelschlaufen ausgebildet, durch welche Nägel in die Deckenrandabschalung einschlagbar sind und diese an der durch die flüssige Betonmasse am meisten belasteten Stelle festhalten.In a further advantageous embodiment, nail loops are formed on the protruding part of the retaining leg, through which nails can be hammered into the slab edge formwork and hold it in place at the point most stressed by the liquid concrete mass.

Anhand eines illustrierten Ausführungsbeispiels wird die Erfindung näher erläutert. Es zeigt die einzige

Figur
eine perspektivische Darstellung eines Versteifungswinkels.
The invention is explained in more detail using an illustrated exemplary embodiment. It shows the only one
figure
a perspective view of a stiffening bracket.

Der in der Figur mit Bezugszeichen 1 bezeichnete Befestigungs- oder Abschalwinkel, kurz Winkel 1 genannt, umfasst einen Basisschenkel 3 und einen Halteschenkel 5. Die beiden Schenkel 3, 5 sind derart miteinander verbunden, dass die Auflageflächen 7 am Basisschenkel in einem rechten Winkel zum Halteschenkel bzw. zu den Stirnflächen von am Halteschenkel 5 angebrachten Nagelschlaufen 9 stehen.The fastening or shuttering bracket, referred to as bracket 1 for short, comprises a base leg 3 and a retaining leg 5. The two legs 3, 5 are connected to one another in such a way that the bearing surfaces 7 on the base leg at a right angle to the retaining leg or to the End faces of nail loops 9 attached to the retaining leg 5 are standing.

Der Basisschenkel 3 umfasst eine untere Deckplatte 11 und eine obere Deckplatte 13. An der unteren Deckplatte 11 sind Füsse 9 angeformt, welche die Auflagefläche 7 auf der Deckenschalung bilden. Zwischen den beiden im Beispiel leicht konisch zueinander liegenden Deckplatten 11 und 13 ist üblicherweise ein Fachwerk ausgebildet, welches durch dachartig liegende Streben gebildet wird (nicht sichtbar). Bei einer besonders vorteilhaften Ausgestaltung eines bekannten Befestigungswinkels ( WO 2012/113088 ), wie er als Beispiel in der einzigen Figur dargestellt ist, kann auch auf eine oder beide Seitenflächen des Basisschenkels 3 und des Halteschenkels 5 ein L-förmiger Versteifungswinkel 33 aufgesetzt sein. Der Versteifungswinkel 33 stellt eine Option dar und ist nur an besonders hoch beanspruchten Befestigungswinkeln 1 notwendig.The base leg 3 comprises a lower cover plate 11 and an upper cover plate 13. Feet 9 are formed on the lower cover plate 11 and form the support surface 7 on the ceiling formwork. Between the two cover plates 11 and 13, which are slightly conical to one another in the example, a framework is usually formed which is formed by roof-like struts (not visible). In a particularly advantageous embodiment of a known mounting bracket ( WO 2012/113088 ), as is shown as an example in the single figure, an L-shaped stiffening bracket 33 can also be placed on one or both side surfaces of the base leg 3 and of the holding leg 5. The stiffening bracket 33 is an option and is only necessary on mounting brackets 1 that are subject to particularly high loads.

Gegenüber den bekannten Befestigungswinkeln ist erfindungsgemäss der Halteschenkel 5 über die Basis bzw. die untere Deckplatte 11 des Basisschenkels 3 hinaus durch einen Sporn 15 verlängert. Der Sporn 15 hat beispielsweise eine Minimallänge von 5cm; er kann aber auch wesentlich länger ausgebildet sein, wobei der über den Grundsporn 15 hinausragende Bereich in Abschnitte 15' und 15" unterteilt ist. Die Abschnitte 15' und 15" sind mit Sollbruchlinien 17 leicht vom jeweils darüber liegenden Teil abtrennbar.Compared to the known mounting brackets, according to the invention, the retaining leg 5 is extended beyond the base or the lower cover plate 11 of the base leg 3 by a spur 15. The spur 15 has, for example, a minimum length of 5 cm; however, it can also be made much longer, the area protruding beyond the base spur 15 being subdivided into sections 15 'and 15 ". The sections 15' and 15" can be easily separated with predetermined breaking lines 17 from the part above.

Wie am oberhalb des Basisschenkels 3 liegenden Bereich des Halteschenkels 5 können auch am Sporn 15 eine oder mehrere Nagelschlaufen 16 ausgebildet sein, durch deren Bohrungen 19 Nägel in die Deckenrandabschalung (Deckenrandabschalung nicht dargestellt) eintreibbar sind, um letztere zu tragen und vor allem letztere in der vorbestimmten Lage zu halten.As on the area of the retaining leg 5 located above the base leg 3, one or more nail loops 16 can also be formed on the spur 15, through the holes 19 of which nails can be driven into the ceiling edge formwork (ceiling edge formwork not shown) in order to carry the latter and especially the latter in the to hold a predetermined position.

Die Montage der Befestigungs- und Abschalwinkel 1 erfolgt in gewohnter Weise vor dem Betonieren der Decke des Gebäudes. Ist der Sporn 15 zu lang, d.h. der Basisschenkel 13 liegt nicht parallel zur Deckenschalung, weil der Sporn 15 an der Krone der Wand aufliegt, so kann ein Teilstück entlang der Sollbruchlinie 17 abgetrennt werden oder falls der Sporn 15 zu kurz ist, kann eine Unterlage beispielsweise aus Metall, Stein, Kunststoff oder Holz zwischen das untere Ende des Sporns 15 und die Krone geschoben oder aufgesteckt werden, so dass der Befestigung- und Abschalwinkel in der Vertikalen einwandfrei abgestützt ist.The mounting and shuttering bracket 1 is installed in the usual way before the ceiling of the building is concreted. If the spur 15 is too long, ie the base leg 13 is not parallel to the ceiling formwork, because the spur 15 rests on the crown of the wall, a section can be cut off along the predetermined breaking line 17 or if the spur 15 is too short, a pad can be used For example, made of metal, stone, plastic or wood between the lower end of the spur 15 and the crown can be pushed or plugged in, so that the fastening and cut-off angle is properly supported in the vertical.

Legende der BezugszeichenLegend of the reference symbols

11
Befestigungswinkelmounting brackets
33
BasisschenkelBase leg
55
HalteschenkelRetaining leg
77th
Auflagefläche(n)Contact surface (s)
99
FüsseFeet
1111
untere Deckplattelower cover plate
1313th
obere Deckplatteupper cover plate
1515th
Spornspur
1616
NagelschlaufeNail loop
1717th
SollbruchliniePredetermined breaking line
1919th
Bohrungdrilling

Claims (4)

  1. A fastening bracket (1) for ceiling edge formwork, comprising a base limb (3) for fastening it to a ceiling formwork, a retaining limb (5) arranged perpendicularly thereto for fastening a ceiling edge form plate, and nail traps (16) arranged on the retaining limb (5) for spaced retaining of a form plate of the ceiling edge formwork, wherein the base limb (3) has an upper and a lower (13, 11) cover plate between which a truss or a strut is formed, wherein feet (9) retaining the base limb (3) spaced from the ceiling formwork are molded onto the lower cover plate (11),
    characterized in that
    the retaining limb (5) is extended beyond the lower cover plate (11) of the base limb (3) by a spur (15) with a same cross-section as the retaining limb (5).
  2. The fastening bracket according to Claim 1, characterized in that separable portions (15', 15") are formed on the spur (15) along predetermined breaking lines (17).
  3. The fastening bracket according to any one of Claims 1 or 2, characterized in that one or more nail traps (16) are formed on the spur (15).
  4. The fastening bracket according to any one of Claims 1 to 3, characterized in that an L-shaped reinforcing bracket (33) is mounted on a lateral surface of the base limb (3) and of the retaining limb (5).
EP14405010.1A 2013-02-20 2014-02-11 Fastening bracket for ceiling edge formwork Active EP2770136B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH00484/13A CH707643A2 (en) 2013-02-20 2013-02-20 Mounting brackets for Deckenrandabschalungen.

Publications (3)

Publication Number Publication Date
EP2770136A2 EP2770136A2 (en) 2014-08-27
EP2770136A3 EP2770136A3 (en) 2015-01-14
EP2770136B1 true EP2770136B1 (en) 2020-12-09

Family

ID=50193426

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14405010.1A Active EP2770136B1 (en) 2013-02-20 2014-02-11 Fastening bracket for ceiling edge formwork

Country Status (2)

Country Link
EP (1) EP2770136B1 (en)
CH (1) CH707643A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH714812B1 (en) * 2018-03-20 2022-02-28 Albanese Pino Extension element for a stop-end bracket.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8809429U1 (en) * 1988-07-23 1988-09-22 Lötzke, Wolfgang, 4500 Osnabrück Retaining bracket
CH685830A5 (en) * 1993-04-22 1995-10-13 Bauku Bau Kunststoff Ag Ceiling shuttering structure with edge shuttering holder
ATE389759T1 (en) * 2005-06-22 2008-04-15 Ulrich Maag ROOF EDGE ELEMENT
CH704519A1 (en) 2011-02-23 2012-08-31 Pino Albanese Mounting brackets for Deckenrandabschalungen.

Non-Patent Citations (1)

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

Also Published As

Publication number Publication date
EP2770136A2 (en) 2014-08-27
CH707643A2 (en) 2014-08-29
EP2770136A3 (en) 2015-01-14

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