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DE102005042417A1 - Lightweight spaced double board, for room module floors/walls/ceilings, has tabs cut in the upper board to be bent down for welding to the lower board as the spacers - Google Patents

Lightweight spaced double board, for room module floors/walls/ceilings, has tabs cut in the upper board to be bent down for welding to the lower board as the spacers Download PDF

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Publication number
DE102005042417A1
DE102005042417A1 DE102005042417A DE102005042417A DE102005042417A1 DE 102005042417 A1 DE102005042417 A1 DE 102005042417A1 DE 102005042417 A DE102005042417 A DE 102005042417A DE 102005042417 A DE102005042417 A DE 102005042417A DE 102005042417 A1 DE102005042417 A1 DE 102005042417A1
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DE
Germany
Prior art keywords
cover plate
lightweight
board
core
lower cover
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.)
Ceased
Application number
DE102005042417A
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German (de)
Inventor
Marian Dipl.-Ing. Bibow
Detlef Dr. Ing. Lemke
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.)
IMAWIS MARITIME WIRTSCHAFTS UN
IMAWIS MARITIME WIRTSCHAFTS- und SCHIFFBAUFORSCHUNG GmbH
Original Assignee
IMAWIS MARITIME WIRTSCHAFTS UN
IMAWIS MARITIME WIRTSCHAFTS- und SCHIFFBAUFORSCHUNG GmbH
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Priority to DE102005042417A priority Critical patent/DE102005042417A1/en
Publication of DE102005042417A1 publication Critical patent/DE102005042417A1/en
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
    • B32B3/18—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by an internal layer formed of separate pieces of material which are juxtaposed side-by-side
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
    • B32B13/04—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/28—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer comprising a deformed thin sheet, i.e. the layer having its entire thickness deformed out of the plane, e.g. corrugated, crumpled
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/02—2 layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/54—Yield strength; Tensile strength
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/558—Impact strength, toughness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/718—Weight, e.g. weight per square meter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2419/00—Buildings or parts thereof
    • B32B2419/04—Tiles for floors or walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2419/00—Buildings or parts thereof
    • B32B2419/06—Roofs, roof membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2607/00—Walls, panels

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Floor Finish (AREA)

Abstract

The lightweight construction component, for room module walls or floors/ceilings, is composed of two boards held apart by spacers between them. The upper board (1) has cut tabs (2), to be bent down and bonded to the lower board by welding.

Description

Die Erfindung betrifft ein Leichtbauelement nach dem Oberbegriff des Anspruchs 1. Leichtbauelemente werden in unterschiedlichen Branchen überwiegend als Wand-, Decken-, oder Bodenelemente für Raummodule eingesetzt. Der prinzipielle Aufbau der Leichtbauelemente besteht aus zwei Platten zwischen denen einzelne Kernelemente mit unterschiedlichen Formen und in verschiedenen Anordnungen mit diesen Platten verbunden sind, sogenannte Sandwichpanele.The The invention relates to a lightweight construction element according to the preamble of Claim 1. Lightweight elements are predominant in different industries used as wall, ceiling or floor elements for room modules. Of the basic structure of the lightweight components consists of two plates between which individual core elements with different shapes and in different arrangements associated with these plates, so-called sandwich panels.

So offenbart die DE OS 19 59 976 ein Leichtbauteil bei dem die zwischen den beiden Platten liegenden Kerne aus Kunststoffröhrchen bestehen die nebeneinander angeordnet verklebt und übereinander durch die Platten verschlossen sind.So DE 19 59 976 discloses a lightweight component in which the between The two plates lying cores made of plastic tubes the side by side glued and stacked one above the other through the plates are closed.

Diese Wabenart und Anordnung führt zu erhöhten Festigkeitseigenschaften in unterschiedlichen Beanspruchungsrichtungen und damit Einsatzbereichen. Weiterhin ist aus der US 2481 046 ein Leichtbauelement bekannt welches gesickte Kernelemente aufweist. Diese im wesentlichen trapezförmigen Kernelemente sind einlagig oder mehrlagig in unterschiedlichen Anordnungen mit den beiden Deckplatten verbunden, sodass diese Leichtelemente durch unterschiedliche Dicken und Festigkeiten gekennzeichnet sind.This honeycomb type and arrangement leads to increased strength properties in different stress directions and thus areas of application. Furthermore, from the US 2,481,046 a lightweight component is known which has beaded core elements. These substantially trapezoidal core elements are single-layer or multi-layer in different arrangements connected to the two cover plates, so that these light elements are characterized by different thicknesses and strengths.

Eine Ausgestaltung derartiger Kernelemente wird in der DE 39 00 166 A1 beschrieben. Hierbei sind zwischen beiden Deckplatten flächenförmige Hohlkörperplatten angeordnet die als Pyramidenstumpf, Kegelstumpf oder Kugelstumpf ausgebildet sind. Durch die Stumpfflächen lassen sich diese Hohlkörper fertigungstechnisch besser herstellen und mit den Deckplatten verbinden.An embodiment of such core elements is in the DE 39 00 166 A1 described. In this case, surface-shaped hollow body plates are arranged between the two cover plates which are formed as a truncated pyramid, truncated cone or stump. Through the blunt surfaces, these hollow bodies can be produced better in terms of manufacturing technology and connected to the cover plates.

In der US 5,894,045 wird ein Leichtbauelement beschrieben bei dem die Deckplatten pyramidenstumpfartige Vertiefungen aufweisen die flächenmäßig so angeordnet sind, dass die pyramidenförmigen Vertiefungen der oberen Deckplatte beim Verbinden beider Platten miteinander, formschlüssig in die freien, unverformten Felder der unteren Deckplatte zentriert wird. Beide Deckplatten weisen somit eine durchbrochene Oberfläche durch diese Vertiefungen auf.In the US 5,894,045 a lightweight construction element is described in which the cover plates have truncated pyramid-like recesses which are arranged in such a way that the pyramidal recesses of the upper cover plate when connecting both plates together, is positively centered in the free, undeformed fields of the lower cover plate. Both cover plates thus have a perforated surface through these recesses.

Aufgabe der Erfindung ist es ein Leichtbauelement zu offenbaren, bestehend aus Deckplatten, das ohne zusätzliche separate Kernelemente die Verbindung zu den voneinander beabstandeten Deckplatten herstellt und die geforderte Festigkeit in verschiedenen Beanspruchungsrichtungen erreicht.task The invention is to disclose a lightweight construction element from cover plates, without additional separate core elements connect to the spaced cover plates produces and the required strength in different directions of stress reached.

Erfindungsgemäß wird diese Aufgabe dadurch gelöst, dass zumindest aus einer Deckplatte des Leichtbauelementes Kernstege teilweise freigeschnitten werden, diese Kernstege aus der Ebene der Platte um die nicht freigeschnittene Linie gebogen den Abstand der Platten zueinander definieren und die Verbindung zueinander herstellen.According to the invention this Task solved by that at least from a cover plate of the lightweight element core webs partially cut free, these core ridges from the level of Plate around the uncut line bent the distance of the Define plates to each other and connect to each other.

Die Erfindung wird anhand eines Ausführungsbeispiels näher erläutert.The Invention is based on an embodiment explained in more detail.

Es zeigen:It demonstrate:

1 eine ebene Deckplatte mit den Freischnitten der Kernstege 1 a flat cover plate with the cutouts of the core webs

2 ein ebenes Leichtbauelement mit vertikal gebogenen und beide Deckplatten verbindenden Kernstegen mit linienförmiger Auflage 2 a flat lightweight element with vertically curved and two cover plates connecting core webs with linear support

3 ein ebenes Leichtbauelement mit zweifach gebogenen Kernstegen und Flächenauflage 3 a lightweight element with double-curved core bars and surface support

4 ein sphärisches Leichtbauelement mit zweifach gebogenen Kernstegen und Flächenauflage 4 a spherical lightweight construction element with double-curved core bars and surface support

1 zeigt eine ebene Deckplatte 1 in der Freischnitte 2 eingebracht sind. Diese Freischnitte 2 bestimmen die Form und Anordnung der umzuformenden Metallteile sowie auch den geforderten Abstand beider Deckplatten zueinander. 1 shows a flat cover plate 1 in the free cut 2 are introduced. These free cuts 2 determine the shape and arrangement of the metal parts to be formed as well as the required distance between the two cover plates to each other.

Die Umformkante ist die Verbindungslinie zwischen den beiden Freischnittenden.The Forming edge is the connecting line between the two free edges.

Die Breite der Freischnitte 2 ist abhängig von der Materialstärke und muss mindestens so groß sein, dass das Umformen des teilweise freigeschnittenen Metallteils aus der Ebene in den Raum, berührungsfrei erfolgen kann.The width of the free cuts 2 depends on the material thickness and must be at least so large that the forming of the partially cut metal part from the plane into the room, can be done without contact.

2 zeigt den prinzipiellen Aufbau eines Leichtbauelementes mit einer oberen Deckplatte 1, einer unteren Deckplatte 4 und den Kernstegen 3. Die aus der Ebene umgeformten Kernstege 3 in den Raum sind hier bis zur Vertikalen ausgerichtet und liegen mit ihren Enden linienförmig auf der unteren Deckplatte 4 an wonach sie dann mit dieser, vorzugsweise durch Schweißen, verbunden werden. Die Kernstege 3 können unterschiedliche geometrische Formen aufweisen, bevorzugt werden aber Kernstege 3 mit einer rechteckigen Form. Je nach den Freischnitten 2 können gleiche Formen als auch einheitliche, symmetrische als auch asymmetrische Anordnungen der Kernstege 3 entstehen und je nach Umformgrad die Kernstege 3 vertikal als auch schräg ausgerichtet angeordnet werden. Durch unterschiedliche Anordnungen der Kernstege 3 kann so auch unterschiedlichen Beanspruchungen, z. B. Schubverformungen, begegnet werden. Die aus der Umformung der Kernstege 3 entstandenen Öffnungen 5 werden zum Verfüllen des Hohlraumes zwischen der oberen Deckplatte 1 und der unteren Deckplatte 4 genutzt. Bevorzugtes Füllmaterial sind Vergussmassen und Zement. 2 shows the basic structure of a lightweight construction element with an upper cover plate 1 , a lower cover plate 4 and the core bars 3 , The core webs transformed from the plane 3 in the room are aligned here to the vertical and lie with their ends line on the lower cover plate 4 at which they are then connected to this, preferably by welding. The core bridges 3 may have different geometric shapes, but are preferred core bars 3 with a rectangular shape. Depending on the cutouts 2 may have the same shapes as well as uniform, symmetric as well as asymmetric anord the core webs 3 arise and depending on the degree of deformation of the core webs 3 be arranged vertically and obliquely. By different arrangements of the core webs 3 can also different stresses, z. B. shear deformations encountered. The from the transformation of the core webs 3 resulting openings 5 are used to fill the cavity between the upper cover plate 1 and the lower cover plate 4 used. Preferred filling material are potting compounds and cement.

3 zeigt ein Leichbauelement bei dem die Kernstege 3.1 mehrfach geformt flächenförmig auf der unteren Deckplatte 4 aufliegen und mit dieser verbunden sind. Auch in dieser Variante von Leichtbauelementen sind die Kernstege 3.1 gleichgerichtet symmetrisch angeordnet, sodass ein geringerer Fertigungsaufwand gegenüber wechselnden Anordnungen zu verzeichnen ist. Für höhere und mehrseitige Belastungsrichtungen von Leichtbauelementen sind Kernstege mit einer Flächenauflage besonders vorteilhaft einsetzbar. Weiterhin können die Verbindungen der Kernstege 3.1 aufgrund der Flächenauflage mit der unteren Deckplatte 4, z. B. durch Schweißen, besser realisiert werden. 3 shows a Leichbauelement in which the core webs 3.1 multiply shaped flat on the lower cover plate 4 lie and connected with this. Also in this variant of lightweight elements are the core webs 3.1 rectified arranged symmetrically, so that a lesser manufacturing effort is recorded in relation to changing arrangements. For higher and multi-sided load directions of lightweight components core webs with a surface support can be used particularly advantageous. Furthermore, the compounds of the core webs 3.1 due to the surface support with the lower cover plate 4 , z. B. by welding, be better realized.

4 zeigt ein sphärisches Leichtbauelement bei dem die obere Deckplatte 1.1 und die untere Deckplatte 4.1 gekrümmt und gleichbeabstandet voneinander entfernt sind. Die Kernstege 3.2 und 3.3 sind als Doppelkernsteg mit flächiger Auflage auf der unteren Deckplatte 4.1 ausgebildet, sodass Beanspruchungen in beiden Richtungen einer Achse verformungsfrei aufgenommen werden können. Erfolgt die Anordnung von weiteren wie im Bild dargestellten Doppelkernstegen 3.2 und 3.3 um 90° versetzt, so können diese Leichtbauelemente Beanspruchungen in allen Richtungen verformungsfrei aufnehmen und ableiten. 4 shows a spherical lightweight element in which the upper cover plate 1.1 and the lower cover plate 4.1 curved and equidistant from each other. The core bridges 3.2 and 3.3 are as a double core bridge with flat support on the lower cover plate 4.1 designed so that stresses can be absorbed in both directions of an axis deformation. If the arrangement of further as shown in the picture Doppelkernstegen 3.2 and 3.3 Offset by 90 °, these lightweight components can absorb and divert stresses in all directions without deformation.

Claims (8)

Leichtbauelement, bestehend aus mindestens zwei voneinander beabstandeten Deckplatten zwischen denen Abstandshalter angeordnet sind die der lichten Weite zwischen den Platten entspricht, dadurch gekennzeichnet, dass zumindest in der oberen Deckplatte (1) durch Freischnitte (2) Kernstege (3) ausgebildet werden, die durch Umformen aus der Ebene in den Raum mit der unteren Deckplatte (4) verbunden sind.Lightweight element, consisting of at least two spaced cover plates between which spacers are arranged which corresponds to the clear width between the plates, characterized in that at least in the upper cover plate ( 1 ) by free cuts ( 2 ) Core webs ( 3 ) formed by forming from the plane in the space with the lower cover plate ( 4 ) are connected. Leichtbauelement nach Anspruch 1, dadurch gekennzeichnet, dass die umgeformten Kernstege (3) mit der unteren Deckplatte (4) vorzugsweise stoffschlüssig durch Schweißen verbunden sind.Lightweight construction element according to claim 1, characterized in that the deformed core webs ( 3 ) with the lower cover plate ( 4 ) are preferably materially connected by welding. Leichtbauelement nach Anspruch 1 und 2, dadurch gekennzeichnet, dass die Kernstege (3) vorzugsweise rechteckig ausgebildet und in vertikaler Erstreckung angeordnet sind.Lightweight construction element according to claim 1 and 2, characterized in that the core webs ( 3 ) are preferably rectangular and arranged in a vertical extent. Leichtbauelement nach einem oder mehreren der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass mehrfach umgeformte Kernstege (3.1) flächenförmig auf der unteren Deckplatte (4) aufliegen und mit dieser verbunden sind.Lightweight element according to one or more of claims 1 to 3, characterized in that multiply formed core webs ( 3.1 ) in a planar manner on the lower cover plate ( 4 ) and are connected to this. Leichtbauelement nach einem oder mehreren der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass obere Deckplatte (1.1), Kernstege (3.2); (3.3) und untere Deckplatte (4.1) sphärisch ausgebildet sind.Lightweight construction element according to one or more of claims 1 to 4, characterized in that upper cover plate ( 1.1 ), Core webs ( 3.2 ); ( 3.3 ) and lower cover plate ( 4.1 ) are spherically formed. Leichtbauelement nach einem oder mehreren der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass zumindest zwischen der oberen Deckplatte (1); (1.1) Kernstegen (3); (3.1); (3.2); (3.3) und unterer Deckplatte (4); (4.1), Füllmaterial eingebracht ist.Lightweight construction element according to one or more of claims 1 to 5, characterized in that at least between the upper cover plate ( 1 ); ( 1.1 ) Core webs ( 3 ); ( 3.1 ); ( 3.2 ); ( 3.3 ) and lower cover plate ( 4 ); ( 4.1 ), Filling material is introduced. Leichtbauelement nach einem oder mehreren der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass durch die aus der Verformung der Kernstege (3) entstehenden Öffnungen (5) in der oberen Deckplatte (1), das Verfüllen des Hohlraumes zwischen der oberen Deckplatte (1) und der unteren Deckplatte (4), vorzugsweise mit einer Vergussmasse oder Zement erfolgt.Lightweight element according to one or more of claims 1 to 6, characterized in that by the from the deformation of the core webs ( 3 ) resulting openings ( 5 ) in the upper cover plate ( 1 ), the filling of the cavity between the upper cover plate ( 1 ) and the lower cover plate ( 4 ), preferably with a potting compound or cement. Leichtbauelement nach einem oder mehreren der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass Kernstege (3); (3.1) gleichgerichtet symmetrisch oder Kernstege (3.2); (3.3) wechselweise entgegengesetzt umgeformt und mit der unteren Deckplatte (4); (4.1) verbunden sind.Lightweight construction element according to one or more of claims 1 to 7, characterized in that core webs ( 3 ); ( 3.1 ) rectified symmetrical or core webs ( 3.2 ); ( 3.3 ) alternately formed opposite and with the lower cover plate ( 4 ); ( 4.1 ) are connected.
DE102005042417A 2005-09-07 2005-09-07 Lightweight spaced double board, for room module floors/walls/ceilings, has tabs cut in the upper board to be bent down for welding to the lower board as the spacers Ceased DE102005042417A1 (en)

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DE102005042417A DE102005042417A1 (en) 2005-09-07 2005-09-07 Lightweight spaced double board, for room module floors/walls/ceilings, has tabs cut in the upper board to be bent down for welding to the lower board as the spacers

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DE102005042417A DE102005042417A1 (en) 2005-09-07 2005-09-07 Lightweight spaced double board, for room module floors/walls/ceilings, has tabs cut in the upper board to be bent down for welding to the lower board as the spacers

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2188077A4 (en) * 2007-09-11 2016-09-28 Outokumpu Oy Panel structure
WO2017029429A1 (en) * 2015-08-18 2017-02-23 Lappeenrannan Teknillinen Yliopisto A board-structure

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1433232A (en) * 1920-11-17 1922-10-24 Rogers Richard Hawke Beam or like structural member for use in reenforced concrete construction and other purposes
DE1509025B1 (en) * 1963-07-16 1970-10-29 Tate Engineering Inc Rigid sheet metal structural element
DE19610022C2 (en) * 1996-03-14 2000-10-26 Univ Dresden Tech Multi-layer lightweight construction element

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1433232A (en) * 1920-11-17 1922-10-24 Rogers Richard Hawke Beam or like structural member for use in reenforced concrete construction and other purposes
DE1509025B1 (en) * 1963-07-16 1970-10-29 Tate Engineering Inc Rigid sheet metal structural element
DE19610022C2 (en) * 1996-03-14 2000-10-26 Univ Dresden Tech Multi-layer lightweight construction element

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2188077A4 (en) * 2007-09-11 2016-09-28 Outokumpu Oy Panel structure
WO2017029429A1 (en) * 2015-08-18 2017-02-23 Lappeenrannan Teknillinen Yliopisto A board-structure

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