EP1591599B1 - Fibre-reinforced gypsum board - Google Patents

Fibre-reinforced gypsum board Download PDF

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Publication number
EP1591599B1
EP1591599B1 EP05103501.2A EP05103501A EP1591599B1 EP 1591599 B1 EP1591599 B1 EP 1591599B1 EP 05103501 A EP05103501 A EP 05103501A EP 1591599 B1 EP1591599 B1 EP 1591599B1
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EP
European Patent Office
Prior art keywords
edges
groove
gypsum fiber
designed
tongue
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.)
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Application number
EP05103501.2A
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German (de)
French (fr)
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EP1591599A1 (en
Inventor
Michael Suthhof
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.)
Knauf Integral KG
Original Assignee
Knauf Integral KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE200420006785 external-priority patent/DE202004006785U1/en
Application filed by Knauf Integral KG filed Critical Knauf Integral KG
Priority to EP05103501.2A priority Critical patent/EP1591599B1/en
Publication of EP1591599A1 publication Critical patent/EP1591599A1/en
Application granted granted Critical
Publication of EP1591599B1 publication Critical patent/EP1591599B1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
    • E04C2/043—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres of plaster

Definitions

  • the present invention is a gypsum fiber board with graded edge formation.
  • Gypsum fiber boards have been delivered either in a shiplap or with tongue and groove.
  • the shiplap can be nailed or stapled, but not or only poorly and incompletely glued.
  • the tongue and groove can be glued together relatively well, they can not be nicked or stapled, or nailed very badly.
  • the object of the invention has been found to combine the advantages of the two types of connection with each other while avoiding the disadvantages.
  • the thickness of the shiplap is 25 to 40% of the total plate thickness.
  • the tapered, asymmetric groove there is a good 75 to 60% of the total plate thickness.
  • the groove has a depth which is 25 to 35% of the depth of the shiplap.
  • the new gypsum fiber boards can be formed either all four edges as a groove or all four edges as a spring. Particularly preferred are structural panels in which two edges are designed as a groove and two other edges as a spring.
  • the new gypsum fiber board with graded edge formation can be easily nailed or stapled.
  • the new design of tongue and groove lead to a uniform distribution of the adhesive and thus to a better bonding than usual design of tongue and groove.
  • Foaming in the new edge formation leads to good, large-area and stable bonding without any part of the polyuretane foam emerging laterally and thus contaminating the surface.
  • the area of the shiplap is so large and stable in the new edge design that it is easy to nail or staple in this area.
  • FIG. 1 shows the embodiment of a gypsum fiber board of thickness 16mm
  • FIG. 2 the new edge formation on a gypsum fiber board of 19mm thickness. It is clear that these are only preferred embodiments. This principle of edge formation can readily be applied to different thicknesses of gypsum fiber board. Furthermore, of course, the dimensions of stepped rabbet on the one hand and tongue / groove on the other hand can be varied, but the dimensional limits are preferably in the above-mentioned ranges.

Description

Gegenstand der vorliegenden Erfindung ist eine Gipsfaserbauplatte mit abgestufter Kantenausbildung. Gipsfaserbauplatten wurden bisher geliefert entweder in einer Stufenfalz oder aber mit Nut und Feder. Die Stufenfalz kann zwar genagelt oder getackert werden, jedoch nicht oder nur schlecht und unvollständig verklebt werden. Nut und Feder lassen sich zwar relativ gut verkleben, jedoch nicht oder nur sehr schlecht nageln oder tackern.The present invention is a gypsum fiber board with graded edge formation. Gypsum fiber boards have been delivered either in a shiplap or with tongue and groove. The shiplap can be nailed or stapled, but not or only poorly and incompletely glued. Although the tongue and groove can be glued together relatively well, they can not be nicked or stapled, or nailed very badly.

Die Erfindung hat sich die Aufgabe gestellt, die Vorteile der beiden Arten der Verbindung miteinander zu kombinieren und dabei die Nachteile zu vermeiden.The object of the invention has been found to combine the advantages of the two types of connection with each other while avoiding the disadvantages.

Diese Aufgabe wird jetzt dadurch gelöst, dass mindestens eine der vier Kanten ausgebildet ist als Kombination von

  1. a) einer asymmetrischen Stufenfalz und
  2. b) einer abgeschrägten, asymmetrischen Nut oder Feder.
This object is now achieved in that at least one of the four edges is formed as a combination of
  1. a) an asymmetric stepped rabbet and
  2. b) a beveled, asymmetrical groove or spring.

Vorzugsweise ist die Dicke der Stufenfalz 25 bis 40 % der gesamten Plattendicke. Demzufolge befindet sich in der abgeschrägten, asymmetrischen Nut gute 75 bis 60 % der gesamten Plattendicke.Preferably, the thickness of the shiplap is 25 to 40% of the total plate thickness. As a result, in the tapered, asymmetric groove, there is a good 75 to 60% of the total plate thickness.

Vorzugsweise besitzt die Nut eine Tiefe, die 25 bis 35 % der Tiefe der Stufenfalz beträgt.Preferably, the groove has a depth which is 25 to 35% of the depth of the shiplap.

Die neuen Gipsfaserbauplatten können entweder alle vier Kanten als Nut oder alle vier Kanten als Feder ausgebildet sein. Besonders bevorzugt sind Bauplatten bei denen jeweils zwei Kanten als Nut und zwei andere Kanten als Feder ausgestaltet sind. Die neue Gipsfaserbauplatte mit abgestufter Kantenausbildung lässt sich problemlos nageln oder tackern. Die neue Ausgestaltung von Nut und Feder führen zu einer gleichmäßigen Verteilung des Klebers und somit zu einer besseren Verklebung als übliche Ausgestaltung von Nut und Feder. Insbesondere bei der Verklebung mit Polyurethan-Klebern die durch Feuchtigkeit aufschäumen führen bei der neuen Kantenausbildung zu einer guten großflächigen und stabilen Verklebung ohne dass ein Teil des Polyuretahnschaums seitlich austritt und damit die Oberfläche verunreinigt. Der Bereich der Stufenfalz ist bei der neuen Kantenausbildung so groß und stabil ausgebildet, dass in diesem Bereich problemlos genagelt oder getackert werden kann.The new gypsum fiber boards can be formed either all four edges as a groove or all four edges as a spring. Particularly preferred are structural panels in which two edges are designed as a groove and two other edges as a spring. The new gypsum fiber board with graded edge formation can be easily nailed or stapled. The new design of tongue and groove lead to a uniform distribution of the adhesive and thus to a better bonding than usual design of tongue and groove. Especially when bonding with polyurethane adhesives by moisture Foaming in the new edge formation leads to good, large-area and stable bonding without any part of the polyuretane foam emerging laterally and thus contaminating the surface. The area of the shiplap is so large and stable in the new edge design that it is easy to nail or staple in this area.

Die Untersuchung der neuen abgestuften Kantenausbildung im getackerten und verklebten Zustand hat zu dem überraschenden Ergebnis geführt, dass bei einer zu prüfenden F-60 Wand im Bereich der neuen Kantenausbildung für die Feuerbeständigkeit nicht die erwarteten Werte von 60 Minuten sondern Werte von mehr als 90 Minuten bis nahezu 120 Minuten erreicht wurden.Examination of the new graded stapled and glued edge formation has led to the surprising result that for an F-60 wall to be tested in the new edge resistance range for fire resistance, not the expected 60 minutes but values greater than 90 minutes nearly 120 minutes were reached.

In den anliegenden Figuren 1 und 2 sind zwei Ausführungsformen der neuen Kantenausbildung im Maßstab 2:1 dargestellt. Figur 1 zeigt die Ausführungsform bei einer Gipsfaserbauplatte der Stärke 16mm und Figur 2 die neue Kantenausbildung bei einer Gipsfaserbauplatte von 19mm Stärke. Es ist klar zu erkennen, dass es sich hierbei nur um bevorzugte Ausführungsformen handelt. Dieses Prinzip der Kantenausbildung kann ohne weiteres auch zur Anwendung kommen bei unterschiedlichen Stärken der Gipsfaserbauplatte. Weiterhin können selbstverständlich die Dimensionen von Stufenfalz einerseits und Nut/Feder andererseits variiert werden, wobei jedoch die Dimensionsgrenzen vorzugsweise in dem oben genannten Bereichen liegen.In the adjoining Figures 1 and 2 Two embodiments of the new edge formation in the scale 2: 1 are shown. FIG. 1 shows the embodiment of a gypsum fiber board of thickness 16mm and FIG. 2 the new edge formation on a gypsum fiber board of 19mm thickness. It is clear that these are only preferred embodiments. This principle of edge formation can readily be applied to different thicknesses of gypsum fiber board. Furthermore, of course, the dimensions of stepped rabbet on the one hand and tongue / groove on the other hand can be varied, but the dimensional limits are preferably in the above-mentioned ranges.

Claims (7)

  1. A gypsum fiber board with a stepped edge formation, characterized in that the four edges are formed as a combination of
    a) an asymmetric rabbet edge, and
    b) a beveled asymmetric groove or tongue,
    wherein
    i) all four edges are designed as a groove;
    ii) all four edges are designed as a tongue;
    iii) two edges each are designed as a groove, and the other two edges are designed as a tongue.
  2. The gypsum fiber board according to claim 1, characterized in that the thickness of the rabbet edge is 25% to 40% of the total board thickness, and consequently, the beveled asymmetric groove is at a level of 75% to 60% of the total board thickness.
  3. The gypsum fiber board according to either of claims 1 or 2, characterized in that said groove has a depth that is 25% to 35% of the depth of the rabbet edge.
  4. The gypsum fiber board according to any of claims 1 to 3, characterized in that either all four edges are designed as a groove, or all four edges are designed as a tongue.
  5. The gypsum fiber board according to any of claims 1 to 3, characterized in that two edges each are designed as a groove, and the other two edges are designed as a tongue.
  6. A gypsum fiber board composite of several gypsum fiber boards according to any of claims 1 to 5, wherein the rabbet edges of adjacent edges overlap to form a level surface, and a beveled asymmetric groove-and-tongue connection is provided at the same edge.
  7. A process for laying gypsum fiber boards according to at least one of claims 1 to 5, characterized in that said gypsum fiber boards are
    - adhesively bonded, and
    - stapled or nailed
    in the zone of the rabbet edges.
EP05103501.2A 2004-04-28 2005-04-28 Fibre-reinforced gypsum board Active EP1591599B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP05103501.2A EP1591599B1 (en) 2004-04-28 2005-04-28 Fibre-reinforced gypsum board

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE200420006785 DE202004006785U1 (en) 2004-04-28 2004-04-28 Gypsum fiber building board, has four stepped edges, where two edges are designed as angular, asymmetrical grooves and other two edges are designed as springs, and asymmetrical stepped notch with specific thickness
DE202004006785U 2004-04-28
EP04105924 2004-07-23
EP04105924 2004-11-19
EP05103501.2A EP1591599B1 (en) 2004-04-28 2005-04-28 Fibre-reinforced gypsum board

Publications (2)

Publication Number Publication Date
EP1591599A1 EP1591599A1 (en) 2005-11-02
EP1591599B1 true EP1591599B1 (en) 2018-06-06

Family

ID=34939573

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05103501.2A Active EP1591599B1 (en) 2004-04-28 2005-04-28 Fibre-reinforced gypsum board

Country Status (1)

Country Link
EP (1) EP1591599B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI3688245T3 (en) 2017-09-30 2023-06-14 Certainteed Gypsum Inc Tapered plasterboards and methods for making them

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20014824U1 (en) * 2000-08-26 2001-02-01 Bauer Karl Plasterboard with a shadow gap

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2276071A (en) * 1939-01-25 1942-03-10 Johns Manville Panel construction
US3274743A (en) * 1963-07-10 1966-09-27 Jr Joseph Louis Blum Interlocking wallboard
SE339096B (en) * 1970-01-19 1971-09-27 E C A Sa
DE3541039A1 (en) * 1985-11-19 1987-05-21 Wolfgang Rosner Cladding panel
WO1998017881A1 (en) * 1996-10-23 1998-04-30 Danogips A/S Covering panel

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20014824U1 (en) * 2000-08-26 2001-02-01 Bauer Karl Plasterboard with a shadow gap

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EP1591599A1 (en) 2005-11-02

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