EP0699256B1 - Junction - Google Patents
Junction Download PDFInfo
- 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
Links
Images
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)
- Cable Accessories (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
- Mechanical Coupling Of Light Guides (AREA)
- Laminated Bodies (AREA)
- Catching Or Destruction (AREA)
- Separation By Low-Temperature Treatments (AREA)
- Joints Allowing Movement (AREA)
- Connection Of Plates (AREA)
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 |
---|---|---|---|
FI932309A FI932309A0 (fi) | 1993-05-19 | 1993-05-19 | Fogkonstruktion |
FI932309 | 1993-05-19 | ||
PCT/FI1994/000200 WO1994026992A1 (en) | 1993-05-19 | 1994-05-19 | Junction |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0699256A1 EP0699256A1 (en) | 1996-03-06 |
EP0699256B1 true EP0699256B1 (en) | 1999-04-07 |
Family
ID=8537973
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94915176A Expired - Lifetime EP0699256B1 (en) | 1993-05-19 | 1994-05-19 | Junction |
Country Status (14)
Country | Link |
---|---|
EP (1) | EP0699256B1 (fi) |
JP (1) | JPH09500940A (fi) |
CN (1) | CN1045808C (fi) |
AT (1) | ATE178676T1 (fi) |
DE (1) | DE69417739T2 (fi) |
DK (1) | DK0699256T3 (fi) |
EE (1) | EE03217B1 (fi) |
ES (1) | ES2133555T3 (fi) |
FI (1) | FI932309A0 (fi) |
LV (1) | LV11489B (fi) |
NO (1) | NO304607B1 (fi) |
PL (1) | PL178254B1 (fi) |
RU (1) | RU2105108C1 (fi) |
WO (1) | WO1994026992A1 (fi) |
Families Citing this family (7)
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 |
EP1961533B1 (de) * | 2007-02-26 | 2009-08-26 | Homag Holzbearbeitungssysteme AG | 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)
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 |
-
1993
- 1993-05-19 FI FI932309A patent/FI932309A0/fi not_active Application Discontinuation
-
1994
- 1994-05-19 RU RU95122117A patent/RU2105108C1/ru not_active IP Right Cessation
- 1994-05-19 DK DK94915176T patent/DK0699256T3/da active
- 1994-05-19 PL PL94311689A patent/PL178254B1/pl not_active IP Right Cessation
- 1994-05-19 CN CN94192162.XA patent/CN1045808C/zh not_active Expired - Fee Related
- 1994-05-19 DE DE69417739T patent/DE69417739T2/de not_active Expired - Fee Related
- 1994-05-19 AT AT94915176T patent/ATE178676T1/de not_active IP Right Cessation
- 1994-05-19 JP JP6525028A patent/JPH09500940A/ja active Pending
- 1994-05-19 WO PCT/FI1994/000200 patent/WO1994026992A1/en active IP Right Grant
- 1994-05-19 EP EP94915176A patent/EP0699256B1/en not_active Expired - Lifetime
- 1994-05-19 ES ES94915176T patent/ES2133555T3/es not_active Expired - Lifetime
- 1994-07-29 EE EE9400088A patent/EE03217B1/xx not_active IP Right Cessation
-
1995
- 1995-11-17 LV LVP-95-344A patent/LV11489B/en unknown
- 1995-11-20 NO NO954676A patent/NO304607B1/no unknown
Also Published As
Publication number | Publication date |
---|---|
PL311689A1 (en) | 1996-03-04 |
ATE178676T1 (de) | 1999-04-15 |
NO954676L (no) | 1995-11-20 |
EE03217B1 (et) | 1999-08-16 |
DE69417739T2 (de) | 1999-10-28 |
CN1045808C (zh) | 1999-10-20 |
LV11489A (lv) | 1996-08-20 |
DK0699256T3 (da) | 1999-10-18 |
LV11489B (en) | 1996-12-20 |
CN1124050A (zh) | 1996-06-05 |
NO954676D0 (no) | 1995-11-20 |
PL178254B1 (pl) | 2000-03-31 |
RU2105108C1 (ru) | 1998-02-20 |
FI932309A0 (fi) | 1993-05-19 |
ES2133555T3 (es) | 1999-09-16 |
WO1994026992A1 (en) | 1994-11-24 |
DE69417739D1 (de) | 1999-05-12 |
EP0699256A1 (en) | 1996-03-06 |
NO304607B1 (no) | 1999-01-18 |
JPH09500940A (ja) | 1997-01-28 |
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