EP2072702A1 - Joint - Google Patents

Joint Download PDF

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Publication number
EP2072702A1
EP2072702A1 EP08022172A EP08022172A EP2072702A1 EP 2072702 A1 EP2072702 A1 EP 2072702A1 EP 08022172 A EP08022172 A EP 08022172A EP 08022172 A EP08022172 A EP 08022172A EP 2072702 A1 EP2072702 A1 EP 2072702A1
Authority
EP
European Patent Office
Prior art keywords
joint
cover plate
cavity
movement
fire protection
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.)
Withdrawn
Application number
EP08022172A
Other languages
German (de)
English (en)
Inventor
Heinz Korth
Wolfram Adam
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.)
Felix Schuh & Co GmbH
G+H Isolierung GmbH
Original Assignee
Felix Schuh & Co GmbH
G+H Isolierung GmbH
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 Felix Schuh & Co GmbH, G+H Isolierung GmbH filed Critical Felix Schuh & Co GmbH
Priority to EP08022172A priority Critical patent/EP2072702A1/fr
Publication of EP2072702A1 publication Critical patent/EP2072702A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92—Protection against other undesired influences or dangers
    • E04B1/94—Protection against other undesired influences or dangers against fire
    • E04B1/948—Fire-proof sealings or joints

Definitions

  • the invention relates to a joint, in particular a movement joint, in the preamble of claim 1 explained type.
  • Such a joint is from the EP 1 589 157 known.
  • the known joint contains a sealing device for the joint, which comprises a cover plate, which covers the joint on one side and is provided with a movement reserve to allow relative movements of the two adjacent to the joint components.
  • the sealing device further contains at least one layer of a web or mat-shaped fire protection material, with which the cover plate is deposited in the joint cavity.
  • the sheet or mat fire protection material is coated with expandable material.
  • the sealing device contains mat-shaped, inflatable fire protection material of the known type, which is inserted in one or more layers in the joint and bonded to the opposite boundary surfaces of the components.
  • the fire protection material covers the joint on both sides and forms the outer surface of the joint.
  • the fire protection material is laid so that it sags with its own weight, so that a certain reserve of movement for a movement of the components is created.
  • the fire protection material may be laminated with a heat-resistant material such as a metal foil.
  • the metal foil is naturally on the bonded side, ie on at least one outwardly facing side of the joint. However, metal is heat-conducting.
  • the heat is thus conducted directly to the adhesive bond.
  • the heat generated during the fire is even conducted to the back of the components when the metal foil-laminated fire protection material fills the entire joint in a more or less closed circle.
  • the film is provided on one side with a slot which is to interrupt the heat conduction. However, this slot also provides direct access to the interior of the joint.
  • the known sealing device is designed so that it has to fill the entire joint. This is particularly disadvantageous where existing joints fire protection technology need to be retrofitted.
  • the known sealing devices require that, for this purpose, the entire original joint filling is scraped out and refilled by the known sealing device. This is extremely expensive.
  • Another joint with a sealing device made of fire protection material is from the EP 730 695 B1 known.
  • the sealing means of this joint consists of a readily compressible tube made of a composition consisting mainly of a mixture of an elastomeric material and a bulking material. Again, it is necessary that the entire gap must be cleared empty, if the joint must be retrofitted for fire protection.
  • the invention has for its object to provide a joint and a sealing device for this, the fire protection technology is extremely effective and easy to install.
  • the inventive use of a cover plate with reserve of movement, which is coated with fire protection material the problem of fixing the fire protection material in the joint is solved in a structurally simple manner without having to resort to an adhesive application over the entire thickness of the components, and on the other hand a very created effective fire protection, in which there is no risk that is transmitted by the materials of the sealing device itself heat to the opposite side of the components.
  • the sealing device may be relatively thin-walled, so that it has only a small footprint in a joint, and further provides through the cover a solid protection against damage in normal use, ie not in case of fire, without this massive protection in case of fire for destruction or Damage to the sealing device could result because the cover plate has a reserve of movement.
  • a fire protection material optionally Dämm Mrs Kunststoffmaschinen, Ablationsbe lambd.
  • the reaction takes place at a temperature of around 200 ° C so that the material increases in volume, forming an insulating layer.
  • the thickness of the forming insulating layer varies from material to material.
  • the temperature reduction is carried out by a chemical reaction, which leads to an embrittlement or hardening (ceramifying) of the material and this requires the supply of heat, just the fire.
  • the cover plate can extend beyond the gap without affecting the function and be fastened to the components outside the joint. In this way, the space required inside the joint is further reduced.
  • the cover plate is slidably inserted with at least one of its edge regions in a receiving cavity of a fastener with movement reserve across the joint cavity.
  • This securing the cover plate in the joint is further improved if the movement of the cover plate is inhibited in the receiving cavity, which can be done for example by friction, since the normal function of the sealing device is not hindered here.
  • cover plate is also coated with fire protection material outside the joint, since this extends the fire protection beyond the joint, and improves the sealing effect.
  • the fire protection coating may have a greater thickness inside the joint than outside the joint.
  • the fire protection material can, where necessary or desired, be applied in multiple layers, which may be necessary in particular in the interior of the joint.
  • Fig. 1 shows a first embodiment of a joint 1 according to the invention, which is provided with a sealing device 2.
  • the joint 1 is formed as a gap 3 with a width b between facing boundary surfaces 4a and 5a of two components 4 and 5 respectively.
  • the components 4, 5 may consist of foam concrete, concrete, masonry or the like.
  • the joint 1 is designed as a movement joint, ie it is to be expected that the distance b between the two boundary surfaces 4a, 5a changes, the sealing device 2 must undergo these changes without loss of function.
  • the sealing device 2 includes a cover plate 6, which preferably consists of metal and may be, for example, a galvanized sheet or a stainless steel sheet.
  • the cover plate 6 is preferably a flat sheet metal strip, which is wider than the distance b between the boundary surfaces 4a, 5a.
  • the cover plate 6 extends through the transversely to the boundary surfaces 4a and 5a extending surfaces 4b and 5b of the components 4, 5.
  • the cover plate 6 is secured by granting a movement reserve R, wherein the movement reserve R a relative movement between the cover plate. 6 and one or both components 4, 5 is allowed, when the distance b, ie the width of the joint cavity 3, changed.
  • the cover plate 6 is fastened to at least one, preferably to both components 4, 5 via a motion connection 7 permitting the reserve of movement R.
  • the motion connection 7 contains in the illustrated embodiment, two angle strips 8, 9, each containing a leg 8a and 9a, which at a distance above the surface 4b and 5b of the adjacent component 4, 5 is held and with these surfaces 4b, 5b form a receiving cavity 10 for receiving the respective edge regions 6a, 6b of the cover plate 6.
  • the cover plate 6 is accommodated with each movement reserve R, so that it can move relative to the components 4 and 5, with a relative displacement of the components 4, 5, changing the distance b in a direction transverse to the joint cavity 3 and still maintains its covering function for the joint cavity 3.
  • the cover plate 6 has a width B that is greater than the width b plus a simple width of the receiving cavity 10, but is smaller than the width b plus twice the width of the receiving cavity 10th
  • the possibility of movement of the cover 6 in the receiving cavity 10 is preferably inhibited, this suitably by friction, which is easy to dose, so that a desired displacement of the cover 6 is not prevented.
  • this is done by a friction element 11, which can be realized in a simple manner by a corresponding bending of the leg 8a or 9a of the fastener 8 and 9, the receiving cavity 10, at least partially over the length, except for an entrance slit in the height of the thickness of the cover plate 6 closes.
  • the sealing device 2 also contains fire protection material.
  • the fire protection material used is preferably an expandable material which has been applied to the cover plate.
  • the fire protection material preferably contains an intumescent, preferably a commercially available paint based on expandable graphite.
  • the intumescent agent should be chosen so that it foams at about 200 ° C and has a foaming or expanding factor between about 200 to about 250, ie its layer thickness increased by 200 to 250 times.
  • the application thickness of the intumescent agent on the support should be about 1500 g / m 2 (wet application) of the support surface. The amount applied depends on the thickness to be achieved after foaming, which in turn depends on the fire protection specifications and the materials used. A foaming thickness of about 10 cm is desirable. In this case, different layer thicknesses of the fire protection material inside and outside the receiving cavity can be realized, for. B., the layer thickness can be reduced in the region of the receiving cavity.
  • fire protection material can also be an ablative-acting material in conventional composition and processing, for. B. as a paint used.
  • the sealing device 2 includes a first layer 12 of these fire protection coatings, which extends on the inside over the entire width B of the cover plate 6.
  • the shroud may also contain a second layer 13 of this fire-resistant coating, which may be on the outside, i. the joint cavity 3 side facing away over the cover plate 6 extends.
  • FIG. 2 shows the fasteners 8 and 9 by mechanical fasteners 14, such as screws, rivets, anchors, dowels or the like. Are attached to the respective components 4 and 5 such that there is an additional reserve of movement R.
  • the movement reserve R is consequently determined by the length of the oblong hole 15a minus the diameter of the corresponding fastener 14.
  • a receiving opening 15b in the form of a slot transverse to the direction of movement D can accommodate movements in this direction.
  • a receiving opening 15c in the form of a circular opening with a substantially larger diameter than the fastener 14 provides a reserve of movement R in all conceivable directions.
  • receiving openings 15d may be provided with a diameter which corresponds approximately to the diameter of the fasteners 14, but may be surrounded by waves or corrugations 16 which smooth under tensile stress and thus form the movement reserves R.
  • receiving openings 15e may be provided which correspond in their diameter to the fastener 14 and are surrounded by an easily deformable region 17 of the fastening element 8, 9, for example of reduced thickness, so that the reserve of movement R is due to the deformation of the material of the fastening element 8, 9 itself is provided.
  • This movement reserve R in the region of fasteners 14 on the respective components 4, 5 also allows the attachment of the cover plate 6 directly to the components 4, 5, ie without angle strips or the like., With the corresponding receiving openings for the fastener 14 through the cover plate. 6 extend and otherwise formed as described.
  • the sealing device according to the invention can be used in joint widths b up to 200 mm and more.
  • the required minimum depth of the joint depends on the fire protection requirements, but should be at least 100 mm.
  • the angle bar and / or the movement reserve R only on one side of the cover plate 6, ie only be provided on a component 5.
  • the other side of the cover plate could thus be fixed or with the in Fig. 2 shown embodiments of the attachment to the component are attached.
  • the joint cavity 3 may be provided with further sealing material as needed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
  • Seal Device For Vehicle (AREA)
EP08022172A 2007-12-20 2008-12-19 Joint Withdrawn EP2072702A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08022172A EP2072702A1 (fr) 2007-12-20 2008-12-19 Joint

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP07024791A EP2072703B1 (fr) 2007-12-20 2007-12-20 Etanche pour joint et joint
EP08022172A EP2072702A1 (fr) 2007-12-20 2008-12-19 Joint

Publications (1)

Publication Number Publication Date
EP2072702A1 true EP2072702A1 (fr) 2009-06-24

Family

ID=39386485

Family Applications (2)

Application Number Title Priority Date Filing Date
EP07024791A Not-in-force EP2072703B1 (fr) 2007-12-20 2007-12-20 Etanche pour joint et joint
EP08022172A Withdrawn EP2072702A1 (fr) 2007-12-20 2008-12-19 Joint

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP07024791A Not-in-force EP2072703B1 (fr) 2007-12-20 2007-12-20 Etanche pour joint et joint

Country Status (3)

Country Link
EP (2) EP2072703B1 (fr)
AT (1) ATE486179T1 (fr)
DE (1) DE502007005489D1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022101370A1 (de) 2022-01-21 2023-07-27 G+H Isolierung Gmbh Brandschutzdichteinrichtung und ein Brandschutzverfahren für eine Bewegungsfuge eines Gebäudes

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61290139A (ja) * 1985-06-14 1986-12-20 理研軽金属工業株式会社 エキスパンシヨンジヨイト
JPH02289735A (ja) * 1990-04-04 1990-11-29 Nippon Alum Mfg Co Ltd 建物の伸縮継手装置の防火材用保持金具
EP0730695B1 (fr) 1993-11-26 1998-01-28 BTR plc Joints de dilatation pour espace vide
US6192641B1 (en) * 1997-08-28 2001-02-27 David Andraso Expansion joint fire barrier for walls
EP0811098B1 (fr) 1995-02-21 2001-02-28 Minnesota Mining And Manufacturing Company Joint dynamique protege a barriere coupe-feu
EP1589157A1 (fr) 2004-04-20 2005-10-26 Felix Schuh & Co. GmbH Joint entre deux parties d'une construction

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5032447A (en) 1988-06-08 1991-07-16 Bailey Douglas J Fire barrier material
JP2820518B2 (ja) 1990-09-27 1998-11-05 三菱重工業株式会社 清涼飲料水等の脱気装置
JP2548919Y2 (ja) * 1991-06-07 1997-09-24 株式会社日本アルミ 耐火帯構造
US5326609A (en) 1992-06-25 1994-07-05 Metalines Expansion joint fire barrier
CA2277115C (fr) 1997-01-07 2001-11-27 Thermal Structures, Inc. Element coupe-feu

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61290139A (ja) * 1985-06-14 1986-12-20 理研軽金属工業株式会社 エキスパンシヨンジヨイト
JPH02289735A (ja) * 1990-04-04 1990-11-29 Nippon Alum Mfg Co Ltd 建物の伸縮継手装置の防火材用保持金具
EP0730695B1 (fr) 1993-11-26 1998-01-28 BTR plc Joints de dilatation pour espace vide
EP0811098B1 (fr) 1995-02-21 2001-02-28 Minnesota Mining And Manufacturing Company Joint dynamique protege a barriere coupe-feu
US6192641B1 (en) * 1997-08-28 2001-02-27 David Andraso Expansion joint fire barrier for walls
EP1589157A1 (fr) 2004-04-20 2005-10-26 Felix Schuh & Co. GmbH Joint entre deux parties d'une construction

Also Published As

Publication number Publication date
EP2072703B1 (fr) 2010-10-27
DE502007005489D1 (de) 2010-12-09
ATE486179T1 (de) 2010-11-15
EP2072703A1 (fr) 2009-06-24

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