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EP1236840A1 - Elément allongé de retenue - Google Patents

Elément allongé de retenue Download PDF

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Publication number
EP1236840A1
EP1236840A1 EP02075499A EP02075499A EP1236840A1 EP 1236840 A1 EP1236840 A1 EP 1236840A1 EP 02075499 A EP02075499 A EP 02075499A EP 02075499 A EP02075499 A EP 02075499A EP 1236840 A1 EP1236840 A1 EP 1236840A1
Authority
EP
European Patent Office
Prior art keywords
core
retaining element
elongate retaining
connecting flange
head part
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.)
Granted
Application number
EP02075499A
Other languages
German (de)
English (en)
Other versions
EP1236840B1 (fr
Inventor
Hans-Jürgen Döhren
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.)
Kalzip GmbH
Original Assignee
Corus Bausysteme 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 Corus Bausysteme GmbH filed Critical Corus Bausysteme GmbH
Priority to EP02075499A priority Critical patent/EP1236840B1/fr
Priority to DE20221046U priority patent/DE20221046U1/de
Publication of EP1236840A1 publication Critical patent/EP1236840A1/fr
Application granted granted Critical
Publication of EP1236840B1 publication Critical patent/EP1236840B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/36—Connecting; Fastening
    • E04D3/361—Connecting; Fastening by specially-profiled marginal portions of the slabs or sheets
    • E04D3/362—Connecting; Fastening by specially-profiled marginal portions of the slabs or sheets by locking the edge of one slab or sheet within the profiled marginal portion of the adjacent slab or sheet, e.g. using separate connecting elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/36—Connecting; Fastening
    • E04D3/361—Connecting; Fastening by specially-profiled marginal portions of the slabs or sheets
    • E04D2003/3612—Separate fastening elements fixed to the roof structure and comprising plastic parts for avoiding thermal bridges
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/36—Connecting; Fastening
    • E04D3/361—Connecting; Fastening by specially-profiled marginal portions of the slabs or sheets
    • E04D2003/3615—Separate fastening elements fixed to the roof structure and consisting of parts permitting relative movement to each other, e.g. for thermal expansion

Definitions

  • the invention relates to an elongate retaining element for building sheets, having, as seen in cross section perpendicular to its direction of elongation, a head part for engaging a shaped rib of the building sheet, a base part for mounting the elongate retaining element on a support structure by connecting elements, e.g. screws, and a connecting flange extending upwardly from said base and joining said head part to said base.
  • the invention further relates to an assembly of at least one such elongate retaining element and at least one building sheet mounted thereby on a support structure.
  • the known elongate retaining element is an elongate extruded aluminium T-shaped profile. As seen in cross section perpendicular to its direction of elongation, the cross bar of the T-shaped profile forms the base part, which is provided with drilled holes for connecting elements such as screws to be passed through the drilled holes for connecting the elongate retaining element to a supporting structure of a building, such as for example supporting beams, T-bearers or similar structural elements manufactured from for example wood, steel, aluminium or concrete.
  • a connecting flange extends perpendicularly from the base part, and ends in a wider head part, that is substantially triangularly shaped in its cross section.
  • the free ends of the building sheets are flanged over the head part to allow for a longitudinal sliding movement of the building sheets relative to the elongate retaining element.
  • the known elongate retaining elements can be e.g. T-shaped, asymmetrically shaped, or L-shaped.
  • a longitudinal sliding movement across the head part of a metallic elongate retaining element of the flanges building sheet can cause, for instance due to a cyclic thermal expansion and contraction of the building structure, an unpleasant noise as the metal parts slide over one another.
  • the noise may particularly arise when the building sheets are not situated perfectly parallel to the direction of elongation, a situation that may occur for instance when the supporting structure is not so rigid.
  • a further object of the invention is to reduce the risk of occurrence of the unpleasant noise of the building sheets and the head part sliding over one another.
  • an elongate retaining element for building sheets having, as seen in cross section perpendicular to its direction of elongation, a head part for engaging at least one said building sheets, a base part for mounting the elongate retaining element on a support structure, and a connecting flange extending upwardly from said base and joining said head part to said base, characterised in that the elongate retaining element is being made of a solid thermoplastic material and having a metallic reinforcement that is essentially fully embedded in said sold thermoplastic material.
  • essentially fully embedded is understood to include in addition to an essentially or fully continuous layer, a netted structure of plastic material embracing the metallic core at least over a circumference of its cross section thereby leaving only small parts of the metallic core uncovered, as well as combinations thereof.
  • thermoplastic material Because the head part is being made of a thermoplastic material, the amount of friction that the sheet-like building elements experience while sliding over the head part, is reduced. Consequently, the risk of the occurrence of the mentioned unpleasant noise is significantly reduced. Because the thermoplastic material is solid, it will retain its essential properties during the whole economical life of the building construction, regardless of atmospheric temperature and humidity.
  • the metallic reinforcement core in the elongate retaining element according to the invention is essentially fully embedded in the solid thermoplastic material, there is a high durability against disengagement of the thermoplastic material from the metallic reinforcement core.
  • the quality of the chemical bonding between the thermoplastic material and the surface of the metallic reinforcement core is therefore less critical.
  • a further advantage is that, due to improved sliding properties of the building sheet over the thermoplastic head part, it further reduces the mechanical load on the connection of the retaining element with the supporting structure.
  • a further advantage is that there need be no direct contact between the building sheet with any metallic part of the elongate retaining element according to the invention, nor between the supporting structure and any metallic part of said the elongate retaining element. Consequently, cold-bridges, being conductive heat transport via the metallic part of an elongate retaining element, can be readily avoided, or at least significantly reduced. This important reduction of the risk of cold-bridges is being achieved with one single elongate retaining element, whereas in the prior art fully metallic retaining elements required rather complex constructional measures to be taken in order to reduce the risk of such cold-bridges. It should be mentioned here that in the past elongate retaining elements of thermoplastic materials without any metallic reinforcement have been tried in order to avoid cold-bridges.
  • the metallic reinforcement core comprises a core head part, a core base part, and rigidly coupled to these parts a core connecting flange extending between the core head part and the core base part.
  • a mechanically reliable connection is established between the base part and the head part of the elongate retaining element.
  • the sheet-like elements are thus mountable on a supporting structure in a stable way.
  • the metallic reinforcement core thus mechanically supports the thermoplastic material, in particular against dynamic and static transverse loads, without leading to the undesirable formation of cold-bridges between the building sheets and the supporting structure of a building. Consequently, also the fatigue-lifetime of the thermoplastic material is significantly enhanced.
  • the core base part is provided with means to be used for mounting the elongate retaining element on a supporting structure.
  • the metallic reinforcement core itself has the features of a retaining element. Consequently, should the thermoplastic material be lost or damaged, for example in case of severe wear or even fire, there is still an integral elongate retaining element in the form of the metallic reinforcement core to provide an auxiliary support and connection for the building sheets with respect to the supporting structure.
  • the metallic reinforcement core forms a relatively low cost and reliable form of reinforcement.
  • the metal sheet can be made of a steel, which is not expensive and has a high strength.
  • the metallic reinforcement core is made of galvanised steel, to further prevent corrosion of the metallic reinforcement core.
  • the metallic reinforcement core can be made of stainless steel, aluminium, or an aluminium alloy, or other suitable metal. Stainless steel is especially suitable when part of the retaining element is not covered by the plastic material.
  • the thickness of the metal sheets are typically in the range of 0.5 to 5mm, and preferably in the range of 0.5 to 3mm, and may the chosen in dependence of the expected mechanical load.
  • At least the core base part is coupled to the core connecting flange by a bent section in the metal sheet.
  • a bend provides an easy to make, strong and stable mechanical connection between the base part and the connecting web of the retaining element.
  • At least the core head part is coupled to the core connecting web via a bent section in the metal sheet.
  • the core head part comprises at least two core head part portions, each of which is coupled to the core connecting flange by a bent section in the metal sheet, whereby at least one bent section is bent towards one side of the core connecting flange and a bent section adjacent to the at least one bent section is bent towards the other side of the core connecting flange.
  • the thermoplastic material in which the core head part is embedded is evenly supported by the metallic core head part.
  • the core base part can comprise at least two core base part portions, each of which is coupled to the core connecting flange by a bent section in the metal sheet, whereby at least one bent section is bent towards one side of the core connecting flange and a bent section adjacent to the at least one bent section is bent towards the other side of the core connecting flange.
  • the metallic reinforcement core is formed by two separate bent metal sheets, preferably joined to each other at their respective connecting flanges, each metal sheet having a core head part, a core base part and a core connecting flange.
  • the core head part and core base part of each metal sheet being bent in the same direction essentially perpendicular to the connecting flange.
  • the core connecting flanges of the two bent metal sheets are located next to each other such that the core base parts and the core head parts of the two metal sheets are directed in opposing directions.
  • a mechanically reliable connection is established between the base part and the head part of the elongate retaining element.
  • the sheet-like building elements are thus mountable on a supporting structure in a stable manner.
  • the metallic reinforcement core mechanically supports the thermoplastic material, in particular against dynamic and static transverse loads, without leading to the formation of cold-bridges between the building sheets and the supporting structure of a building. Consequently, also the fatigue-lifetime of the thermoplastic material is significantly enhanced.
  • the elongate retaining element comprises one or more supporting ribs extending between the base part and the connecting flange.
  • additional mechanical stability is provided, or the transverse stiffness of the retaining element is further improved.
  • the choice of the geometry of said rib or ribs allows for optimisation of the transverse stiffness, which is of particularly importance in designing elongate retaining elements with various restraining distances between the base part and the head part.
  • the one or more supporting ribs are formed in the thermoplastic material.
  • the supporting ribs are relatively easy to form.
  • the metallic reinforcement core is covered by or embedded in an essentially continuous layer of the solid thermoplastic material. Corrosion attack will be reduced as compared to bare metallic elongate retaining elements or elongate retaining elements with substantial bare metallic parts.
  • the solid thermoplastic material is an injection moulded plastic material.
  • an elongate retaining element is provided which is easy and cost effective to manufacture.
  • the metal core parts and solid plastic parts are integrated with each other in an easy way.
  • the thermoplastic material is of a polyester, a polyamide, a modified polyester, or a modified polyamide.
  • These thermoplastic materials have one or more of the properties of low friction, high wear resistance, good temperature stability to temperatures up to 100°C, good elastic properties, and high flame resistance. Furthermore, these thermoplastic materials can be processed via injection moulding techniques. Polyamides in general are found to be sufficiently durable, and to have a favourable low coefficient of friction and good flame resistance.
  • a metallic reinforcement core for use in the above described elongate retaining element, which metallic reinforcement core consists of a core head part, a core base part, and coupled to these parts, a core connecting flange comprising at least one component of metal sheet, the core connecting flange extending between the core head part and the core base part, whereby at least the core base part is coupled to the core connecting flange by a bent section in the metal sheet.
  • the connecting flange may be provided with multiple holes.
  • Fig. 3 shows a schematic perspective view of another metallic reinforcement core according to the invention for application in the retaining element according to Fig.1.
  • Fig. 1 shows schematically an elongate retaining element consisting of a head part 1, a connecting flange 2, and a base part 3 for mounting on a supporting structure.
  • the head part can work together with sheet-like building elements, whereby the free ends of two adjacent sheet-like building elements are flanged one on top of the other along the longitudinal head part, as shown in Dutch patent 190292, and which is incorporated herein by reference.
  • the base part is provided with holes 10 for working together with connecting elements, e.g. screws for mounting the elongate retaining element to a supporting structure.
  • the elongate retaining element of Fig. 1 has a metallic reinforcement core that is essentially fully embedded in the thermoplastic material (not shown in Fig. 1).
  • the elongate retaining element can be provided with one or more supporting ribs 12 to further improve the mechanical stability of the elongate retaining element.
  • Fig. 2 schematically shows an embodiment of the metallic reinforcement core 4 for covering with the solid thermoplastic material to form the elongate retaining element.
  • the metallic core consists of a core head part 5, a core connecting flange 6 and a core base part 7.
  • the shown embodiment is formed from one piece of metal sheet provided with incisions 8a and 8b.
  • the core head part 5, as well as the core base part 7, have been formed by bending the sheet on either side of the incision in opposite directions. Note that in the shown embodiment the bent sections that couple the core head part portions to the core connecting flange have been bent opposite to their respective core base part counterparts. This may be done to further improve the mechanical stability of the elongate retaining element.
  • the core head part is only separated into two parts bent in two opposing directions, but it will be apparent to the skilled person that the core head part may be further divided into smaller sub-parts.
  • the core base part 7 is provided with holes 11. These holes 11 should align with the holes in the solid thermoplastic material of the elongate retaining element, such that the connection elements work together with the metallic reinforcement core, even in absence of the solid plastic.
  • Fig. 3 schematically shows an embodiment of the metallic reinforcement core 4 for covering with the solid thermoplastic material to form the elongate retaining element.
  • the metallic core comprises of two bend metal sheets, each sheet having a core head part 5, a core connecting flange 6 and a core base part 7.
  • each bend metal sheet the core head part and the core base part are being bend in the same direction essentially perpendicular to the direction of elongation of the connecting flange. In this way a U-shaped profile is being obtained whereby the core base part is longer than the core head part.
  • the two metal sheets may be connected to one another to form a single metallic reinforcement core, such a connection can be made typically via adhesion bonding or welding, such as butt welding.
  • the base part of the elongate retaining element is fully reinforced with the metallic sheet which further improves the mechanical stability of the elongate retaining element, whereas in the embodiment of Fig. 2, the base part is only in part reinforced with metallic sheet material.
  • the metallic reinforcement core 4 such as the one shown in Figs. 2 and 3, can be placed inside an injection mould for embedding it in a solid thermoplastic material.
  • the multiple holes 9 in the connecting flanges have been made by tools, e.g. punching or drilling, for fixing the metallic reinforcement core inside the mould cavity. Furthermore, this achieves the effect that during injection moulding the thermoplastic materials will fill those holes thereby achieving also a strong mechanical bonding between the plastic retaining element and the metallic reinforcement core.
  • the core head part may be provided with multiple small holes 9.
  • the metallic reinforcement core may be provided with one or more holes 11 in its core base part before placing it into the injection mould.
  • the inside of the holes will be filled in part or in whole with the thermoplastic material, such that after mounting the elongate retaining element to a supporting structure, there is no contact between the connecting elements and the metallic reinforcement core, and thereby corrosion of the metallic reinforcement core base part is avoided.
  • the connection elements e.g. screws or bolds, hold the elongate retaining elements firmly to the supporting structure avoiding any metallic contact between the building sheets and the supporting structure, thereby reducing or even avoiding the formation of cold-bridges.
  • the elongate retaining element contained a galvanised steel reinforcement core such as shown in Fig. 2, and the reinforcement core sheet had a mean thickness of 1.0 mm.
  • the thermoplastic material was an essentially fully continuous layer of a modified polyamide, having a thickness of 2.3 mm on either side of the connecting flange.
  • the elongate retaining element had been made via an injection moulding process.
  • an aluminium sheet building sheet of gauge 1.2 mm has been flanged over the head part, and 300,000 longitudinal cyclic sliding movements were performed. No indication of wear was observed in the head part of the elongate retaining element according to the invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Connection Of Plates (AREA)
  • Rod-Shaped Construction Members (AREA)
EP02075499A 2001-02-19 2002-02-05 Elément allongé de retenue Expired - Lifetime EP1236840B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP02075499A EP1236840B1 (fr) 2001-02-19 2002-02-05 Elément allongé de retenue
DE20221046U DE20221046U1 (de) 2001-02-19 2002-02-05 Längliches Halteelement

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
EP01200597 2001-02-19
EP01200597 2001-02-19
EP01200865 2001-03-08
EP01200865 2001-03-08
EP01204372 2001-11-16
EP01204372 2001-11-16
EP02075499A EP1236840B1 (fr) 2001-02-19 2002-02-05 Elément allongé de retenue

Publications (2)

Publication Number Publication Date
EP1236840A1 true EP1236840A1 (fr) 2002-09-04
EP1236840B1 EP1236840B1 (fr) 2006-02-01

Family

ID=27440142

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02075499A Expired - Lifetime EP1236840B1 (fr) 2001-02-19 2002-02-05 Elément allongé de retenue

Country Status (2)

Country Link
EP (1) EP1236840B1 (fr)
DE (1) DE20221046U1 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004022877A1 (fr) * 2002-09-03 2004-03-18 Corus Bausysteme Gmbh Element de retenue de forme allongee
FR2849884A1 (fr) 2003-01-13 2004-07-16 Corus Bausysteme Gmbh Sous-structure pour toiture ou facade.
GB2398804A (en) * 2003-02-27 2004-09-01 John Toy Roof bracket
EP1452660A1 (fr) * 2003-02-27 2004-09-01 John Toy Dispositif de support pour panneaux de toit
WO2005038164A1 (fr) 2003-10-08 2005-04-28 Corus Bausysteme Gmbh Element de retenue allonge pour couplage a des toles de batiment
WO2005040519A1 (fr) 2003-10-02 2005-05-06 Corus Bausysteme Gmbh Element de retenue pour feuilles de construction
WO2005085547A3 (fr) * 2004-03-05 2006-04-13 Rav Raaf Sheet Tiles Ltd Plaque de couverture et procede de couverture
EP1767718A1 (fr) 2005-09-23 2007-03-28 Corus Bausysteme GmbH Elément de fixation pour tôles de construction
CN111255100A (zh) * 2020-03-17 2020-06-09 刘新影 一种卫生间挡水装置及施工方法
WO2025016612A1 (fr) * 2023-07-17 2025-01-23 Kalzip Gmbh Élément de retenue

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2369089A1 (fr) 2010-03-12 2011-09-28 Reinwarth Patentverwaltung GbR Dispositif de connexion destiné au raccordement d'un mur avec un élément de façade ou avec un support d'élément de façade
DE202011001363U1 (de) 2010-03-12 2011-04-21 Reinwarth Patentverwaltung GbR (vertretungsberechtigte Gesellschafter: Herr Klaus Reinwarth, 70711 Leinfelden-Echterdingen, Herr Klaus-Peter Reinwarth, 70711 Leinfelden-Echterdingen) Verbindungseinrichtung zur Verbindung einer Wand mit einem Fassadenelement oder mit einem Fassadenelementhalter
CN102704627B (zh) * 2012-06-21 2014-04-02 秦皇岛市中贤幕墙装饰工程有限公司 一种异型金属屋面长度、角度双可调支座

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD220078A1 (de) * 1983-09-08 1985-03-20 Bmk Ost Betrieb Ind Fuerstenwa Vorgefertigtes bewehrtes dachelement und verfahren zu seiner verlegung
EP0311737A2 (fr) * 1987-10-16 1989-04-19 Ward Building Systems Limited Système de bardage
US5511355A (en) * 1991-11-15 1996-04-30 Dingler; Gerhard Construction element

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3922828A (en) * 1973-11-15 1975-12-02 Tri International Corp Structural member
US4337606A (en) * 1980-02-28 1982-07-06 Republic Steel Corporation Metal panel and mounting structure
GB8611903D0 (en) * 1986-05-15 1986-06-25 Crozier Construction Ltd Cladding for buildings

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD220078A1 (de) * 1983-09-08 1985-03-20 Bmk Ost Betrieb Ind Fuerstenwa Vorgefertigtes bewehrtes dachelement und verfahren zu seiner verlegung
EP0311737A2 (fr) * 1987-10-16 1989-04-19 Ward Building Systems Limited Système de bardage
US5511355A (en) * 1991-11-15 1996-04-30 Dingler; Gerhard Construction element

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7603825B2 (en) 2002-09-03 2009-10-20 Corus Bausysteme Gmbh Elongate retaining element
WO2004022877A1 (fr) * 2002-09-03 2004-03-18 Corus Bausysteme Gmbh Element de retenue de forme allongee
FR2849884A1 (fr) 2003-01-13 2004-07-16 Corus Bausysteme Gmbh Sous-structure pour toiture ou facade.
GB2398804A (en) * 2003-02-27 2004-09-01 John Toy Roof bracket
EP1452660A1 (fr) * 2003-02-27 2004-09-01 John Toy Dispositif de support pour panneaux de toit
GB2398804B (en) * 2003-02-27 2005-08-03 John Toy Roof bracket
WO2005040519A1 (fr) 2003-10-02 2005-05-06 Corus Bausysteme Gmbh Element de retenue pour feuilles de construction
WO2005038164A1 (fr) 2003-10-08 2005-04-28 Corus Bausysteme Gmbh Element de retenue allonge pour couplage a des toles de batiment
US8061100B2 (en) 2004-03-05 2011-11-22 Reuven Peleg Self supporting roofing plate
EA008991B1 (ru) * 2004-03-05 2007-10-26 Рав Рааф Стил Тайлз Лтд. Кровельная плита и способ устройства кровли
US7707791B2 (en) 2004-03-05 2010-05-04 Reuven Peleg Roofing method for self supporting roofing plate
WO2005085547A3 (fr) * 2004-03-05 2006-04-13 Rav Raaf Sheet Tiles Ltd Plaque de couverture et procede de couverture
EP1767718A1 (fr) 2005-09-23 2007-03-28 Corus Bausysteme GmbH Elément de fixation pour tôles de construction
CN111255100A (zh) * 2020-03-17 2020-06-09 刘新影 一种卫生间挡水装置及施工方法
CN111255100B (zh) * 2020-03-17 2020-11-17 新昌县哈坎机械配件厂 一种卫生间挡水装置及施工方法
WO2025016612A1 (fr) * 2023-07-17 2025-01-23 Kalzip Gmbh Élément de retenue

Also Published As

Publication number Publication date
DE20221046U1 (de) 2004-12-30
EP1236840B1 (fr) 2006-02-01

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