EP0699256B1 - Verbindung - Google Patents

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Publication number
EP0699256B1
EP0699256B1 EP94915176A EP94915176A EP0699256B1 EP 0699256 B1 EP0699256 B1 EP 0699256B1 EP 94915176 A EP94915176 A EP 94915176A EP 94915176 A EP94915176 A EP 94915176A EP 0699256 B1 EP0699256 B1 EP 0699256B1
Authority
EP
European Patent Office
Prior art keywords
core
mineral wool
panel
joint
skin
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.)
Expired - Lifetime
Application number
EP94915176A
Other languages
English (en)
French (fr)
Other versions
EP0699256A1 (de
Inventor
Lars-Henrik Heselius
Lars-Peter Holmberg
Tarmo Willman
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.)
Paroc Group Oy AB
Paroc Hold Oy AB
Original Assignee
Partek Paroc Oy AB
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
Application filed by Partek Paroc Oy AB filed Critical Partek Paroc Oy AB
Priority to SI9430242T priority Critical patent/SI0699256T1/xx
Publication of EP0699256A1 publication Critical patent/EP0699256A1/de
Application granted granted Critical
Publication of EP0699256B1 publication Critical patent/EP0699256B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
    • E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
    • E04C2/292—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and sheet metal

Definitions

  • the present invention relates to a joint structure for structural sandwich panels comprised of a mineral wool core clad on both wide faces by skin sheets.
  • the skin sheets in such panels known in the art are conventionally made from sheet metal bonded to the mineral wool core.
  • the core is made from so-called structural mineral wool having an essential integral strength.
  • the shear strength of the core material is in the order of 25 - 100 kN/cm 2 .
  • the core and the skin sheet are bonded together using an adhesive.
  • edges of the panels are fabricated into a tongue-and-groove structure formed from the skin sheets thus facilitating the jointing of the panels.
  • the mineral wool core is left unclad at the panel edges over at least a portion of the edge surface remaining between the tongue-and-groove members formed by the skin sheets.
  • the tongue-and-groove structures and the mineral wool core are dimensioned so that when the panels are ready mounted in place using the tongue-and-groove locking, the unclad edges of the mineral wool core remain resting against each other.
  • Such an integrity of the joint is extremely important not only for the sake of thermal insulation, but also in a crucial manner to counteract fire spreading.
  • the mineral wool core of the panel is extremely fire-resistant, but due to contraction or movement of the mineral wool, crevices may appear in the joint structure that deteriorate the fire resistance performance.
  • GB-A-2 168 732 discloses a joint structure for wall and roof panels of sandwich construction in which the metal skin sheets covering the insulating core are bend to form a tongue-and-groove joint with a snap mating tolerance.
  • the edge of one of the mating cores is recessed between the skin sheet flanges.
  • the core of the adjacent panel is dimensioned to project into this recess.
  • the joint forms an effective labyrinth construction with drainage channels, or obtionally spaces for additional sealings. No attention is paid to the compressibility of the core on the abutting core surfaces.
  • the insulating core is of foamed material.
  • US-A-5 092 095 discloses also a wall or roof panel of sandwich construction.
  • the joint of this panel is especially intended for constructions where water leakages can be expected.
  • the skin plates of the panels are bend to form an effective drainage system for water possibly penetrating through the joint from one side of the panels to the opposite side.
  • One of the core edges of these panels is furnished with a recess to accommodate a corresponding protrusion of an adjacent core edge.
  • the dimensioning of the pattern is, however, accomplished to leave a small gap between the mating core surfaces in order to allow the water drainage trough the joint.
  • the cores are not intended to be compressed firmly towards each other.
  • the core of at least one of the elements to be connected is made compressible at the joint area by detaching at least a portion of the unclad edge of the core from its tight bond to the skin structure of the panel for a depth at least essentially equal to half the height of the tongue-and-groove joint structure.
  • mineral wool has a somewhat resilient structure.
  • the structural mineral wool used as the core of a panel has a high compressive strength.
  • the wool is also conventionally adhesively bonded to the skin up to the edge of the tongue-and-groove structure, inward compression of the mineral wool core during the panel mounting step necessitates to overcome, not only the compressive strength of the wool, but also the shear strength of the bond to the skin, which has prevented the utilization of the resilience of the mineral wool in prior-art joint structures.
  • the core is made compressible at the joint area by providing the mineral wool forming the panel core with a possibility of undergoing contraction under compression over the entire area of the mating surfaces in the joint.
  • the mating area in the joint is provided with a separate sealer strip of more resilient (softer) mineral wool than that used in the panel core proper.
  • the resilience of the mineral wool core at the joint also facilitates new kinds of joint structures between the skin sheets by virtue of locking notches/tabs cut in the tongue-and-groove edges of the skin sheets.
  • the panel core is fabricated slightly overextending at the edges.
  • the joint edge of the panel core is then severed to include cuts or furrows extending toward the interior of the panel core and running parallel with the joint edge of the panel.
  • the purpose of such cuts or furrows is to reduce the compressive strength imparted by the bonding of the core to the skins and thus to give the panel core a greater compressive resilience at its joint edge freed from the counteracting effect of shear forces to the compression.
  • the cuts made as narrow furrows provide the mineral wool with more space for compression.
  • the cuts or furrows can be made approx. 15 - 50 mm deep depending on the wool type.
  • the cuts or furrows can be made only on one of the mating edges, or alternatively, on both. If the cuts or furrows are made on both of the mating joint edges, their depth can be smaller than when they are made on the edge of only one of the mating panels.
  • the mineral wool core of the panel must be left slightly undersized. Fabrication of the core to an undersize can be attained by, e.g., cutting a strip off from the cores of both mating panels, or alternatively, only from the core of one of the panels. The entire depth of the strip thus removed, either from one panel or from both, must be essentially equal to the depth of the tongue-and-groove joint. The gap thus formed is filled, advantageously slightly overfilled, with a mineral wool strip of advantageously higher compressibility than that of the mineral wool used in the core panel proper.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Cable Accessories (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Laminated Bodies (AREA)
  • Connection Of Plates (AREA)
  • Joints Allowing Movement (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Catching Or Destruction (AREA)

Claims (9)

  1. Verbindungsstruktur für Sandwichelemente, die aus einem strukturellen Mineralwollekern (1) besteht, der auf beiden Seiten durch Außenhautlagen (2) eingehüllt ist, die mit dem Kern verbunden sind, wobei die Außenhautlagen die breiten Flächen des Kerns abdecken und sich über einen Teil der Randfläche des Elementes erstrecken, um so in diesem sich darüberhinaus erstreckenden Bereich eine Nut-und-Feder-Konstruktion 3,3' zu bilden, die so ausgelegt ist, um die zueinander passenden Oberflächen des Kerns in ihren Bereichen, die von der Außenhautlage nicht eingehüllt sind, unter Drucklast zu setzen, dadurch gekennzeichnet, daß der Kern (1) von zumindest einem der zu verbindenden Elemente im Verbindungsbereich kompressibel gemacht ist, indem zumindest ein Teil der nicht eingehüllten Kante des Kerns von seiner starken Bindung an die Außenhautstruktur des Paneels bis zu einer Tiefe gelöst ist, die zumindest gleich der Hälfte der Höhe der Nut- und-Feder-Verbindungsstruktur 3,3' ist.
  2. Verbindungsstruktur nach Anspruch 1, dadurch gekennzeichnet, daß die enge Bindung des Mineralwollekerns zur Außenhautstruktur des Paneels durch Schnitte gelöst ist, die in den Mineralwollekern parallel zur Ebene des Paneels angebracht sind.
  3. Verbindungsstruktur nach Anspruch 1, dadurch gekennzeichnet, daß die feste Bindung des Mineralwollekerns an die Außenhautstruktur des Paneels durch einen Schnitt gelöst ist, der in einem Winkel relativ zur Ebene des Paneels ausgerichtet ist.
  4. Verbindungsstruktur nach Anspruch 3, dadurch gekennzeichnet, daß der Schnitt von der Verbindungsfläche schräg in Richtung der Paneeloberfläche ausgerichtet ist.
  5. Verbindungsstruktur nach Anspruch 3, dadurch gekennzeichnet, daß der Schnitt von der Verbindungsfläche schräg in Richtung zur Mittenebene des Paneelkerns ausgerichtet ist.
  6. Verbindungsstruktur nach einem der vorgenannten Ansprüche 2 bis 5, dadurch gekennzeichnet, daß der Mineralwollekern mit einer Vielzahl von Schnitten versehen ist, die die Funktion eines solchen Schnittes erfüllen, der in der Deckenrichtung die feste Verbindung zur Außenhautstruktur löst.
  7. Verbindungsstruktur nach einem der vorgenannten Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die feste Bindung des Mineralwollekerns an die Außenhautstruktur durch in seinen von Material von dem Kern und durch dessen Ersetzung durch einen Mineralwolletyp einer elastischeren Kompressibilität gelöst wird.
  8. Verbindungsstruktur nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet, daß der Mineralwollekern (1) einem Bearbeitungsprozeß ausgesetzt wird, der die gegenseitigen Bindungen der Mineralwollefasern löst.
  9. Verbindungsstruktur nach einem der vorgenannten Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die Verbindungsstruktur zur Verbindung der beiden Außenhautlagen (2, 2') aneinander Flanche (2a, 2b) aufweist, die ortogonal nach außen von der Ebene des Paneels vorspringen und so geformt sind, daß sie eng parallel aneinander passen, und daß die Flanche so hergestellt sind, daß die Verriegelungsnuten (5,5') mit vorbestimmten Abständen aufweisen, daß zumindest eine der Außenhautlagen so bearbeitet ist, daß sie einen Verriegelungslappen umfaßt, der durch teilweises Freistanzen von dem Lagenmaterial hergestellt ist.
EP94915176A 1993-05-19 1994-05-19 Verbindung Expired - Lifetime EP0699256B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI9430242T SI0699256T1 (en) 1993-05-19 1994-05-19 Junction

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI932309 1993-05-19
FI932309A FI932309A0 (fi) 1993-05-19 1993-05-19 Fogkonstruktion
PCT/FI1994/000200 WO1994026992A1 (en) 1993-05-19 1994-05-19 Junction

Publications (2)

Publication Number Publication Date
EP0699256A1 EP0699256A1 (de) 1996-03-06
EP0699256B1 true EP0699256B1 (de) 1999-04-07

Family

ID=8537973

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94915176A Expired - Lifetime EP0699256B1 (de) 1993-05-19 1994-05-19 Verbindung

Country Status (14)

Country Link
EP (1) EP0699256B1 (de)
JP (1) JPH09500940A (de)
CN (1) CN1045808C (de)
AT (1) ATE178676T1 (de)
DE (1) DE69417739T2 (de)
DK (1) DK0699256T3 (de)
EE (1) EE03217B1 (de)
ES (1) ES2133555T3 (de)
FI (1) FI932309A0 (de)
LV (1) LV11489B (de)
NO (1) NO304607B1 (de)
PL (1) PL178254B1 (de)
RU (1) RU2105108C1 (de)
WO (1) WO1994026992A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2376963B (en) * 2001-06-06 2005-03-09 Kingspan Res & Dev Ltd An insulated panel
FR2848582B1 (fr) * 2002-12-17 2019-07-05 Saint-Gobain Isover Panneau destine a assurer l'isolation thermo-acoustique de parois
DE502007001395D1 (de) * 2007-02-26 2009-10-08 Homag Holzbearbeitungssysteme Verfahren zum Anhaften von Kantenmaterial an Leichtbauplatten
KR101248365B1 (ko) * 2010-11-12 2013-04-01 (주)엘지하우시스 고주파 유도가열 방법으로 용착된 샌드위치 구조물 및 그 제조 방법
CN111645375B (zh) * 2020-06-15 2021-06-01 青海德坤龙海新型材料有限公司 一种外墙保温岩棉复合板制造工艺
DE102020118700A1 (de) 2020-07-15 2022-01-20 Saint-Gobain Rigips Gmbh Mehrschichtiges Wandelement zur Erstellung von Trockenbauwänden sowie Trockenbauwand aufweisend das Wandelement
DE102020118711A1 (de) 2020-07-15 2022-01-20 Saint-Gobain Rigips Gmbh Mehrschichtiges Wandelement zur Erstellung von Trockenbauwänden sowie Trockenbauwand aufweisend das Wandelement

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3447330A1 (de) * 1984-12-24 1986-07-10 Hoesch Ag, 4600 Dortmund Wand- oder dachelement aus einem schaumstoffkern und metallischen deckschichten
US4998396A (en) * 1990-04-04 1991-03-12 Palmersten Michael J Interlocking panels
US5092095A (en) * 1991-06-11 1992-03-03 Elite Aluminum Corporation Metal-faced panels having water tight joints

Also Published As

Publication number Publication date
NO954676L (no) 1995-11-20
DE69417739T2 (de) 1999-10-28
DE69417739D1 (de) 1999-05-12
PL178254B1 (pl) 2000-03-31
NO954676D0 (no) 1995-11-20
RU2105108C1 (ru) 1998-02-20
DK0699256T3 (da) 1999-10-18
CN1045808C (zh) 1999-10-20
WO1994026992A1 (en) 1994-11-24
EP0699256A1 (de) 1996-03-06
LV11489B (en) 1996-12-20
EE03217B1 (et) 1999-08-16
ATE178676T1 (de) 1999-04-15
PL311689A1 (en) 1996-03-04
JPH09500940A (ja) 1997-01-28
LV11489A (lv) 1996-08-20
ES2133555T3 (es) 1999-09-16
FI932309A0 (fi) 1993-05-19
NO304607B1 (no) 1999-01-18
CN1124050A (zh) 1996-06-05

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