EP1767718A1 - Elément de fixation pour tôles de construction - Google Patents

Elément de fixation pour tôles de construction Download PDF

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Publication number
EP1767718A1
EP1767718A1 EP05077184A EP05077184A EP1767718A1 EP 1767718 A1 EP1767718 A1 EP 1767718A1 EP 05077184 A EP05077184 A EP 05077184A EP 05077184 A EP05077184 A EP 05077184A EP 1767718 A1 EP1767718 A1 EP 1767718A1
Authority
EP
European Patent Office
Prior art keywords
retaining element
head part
element according
plastic material
partially
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Withdrawn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
EP05077184A
Other languages
German (de)
English (en)
Inventor
designation of the inventor has not yet been filed The
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 EP05077184A priority Critical patent/EP1767718A1/fr
Priority to PCT/EP2006/008966 priority patent/WO2007039060A1/fr
Publication of EP1767718A1 publication Critical patent/EP1767718A1/fr
Withdrawn legal-status Critical Current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 a retaining element for building sheets, having a base part for mounting the retaining element on a support structure, a head part engageable with said building sheets and a connecting part connecting the head part to the base part, the retaining element being made at least partially from a plastic material.
  • Such a retaining element is known for example from European patent application EP-A- 1 236 840 .
  • These retaining elements are used to secure a building sheet, for instance a roofing sheet, to a structure, the head part of the retaining element having such a shape that the sheets may slide over the retaining elements in order to be able to accommodate thermal expansion of the sheets.
  • each of the sheets are fastened to a retaining element at a point where the sheet is not subject to longitudinal changes, so as to prevent the sheets from gliding of the retaining elements. This may happen because of an external load such as for example a layer of snow.
  • the building sheets are fastened to a retaining element by bolting or riveting, in which two adjacent sheets may be bolted to the connecting part of the retaining element or a sheet is fastened with a rivet in the head part of the retaining element. With the last method the seam of the next building sheet covers the rivet.
  • Retaining elements made from a plastic material have the advantage that there is no thermal bridge between the building sheet and the structure on to which the retaining element is mounted.
  • a retaining element with a head part substantially of plastic material has the disadvantage that fastening a building sheet with a rivet to the head part most often lead to fracture of the head part with the result that the sheet is not secured at all or that the fastening point is not able to take a load of any significance.
  • the invention aims to overcome this disadvantage to which end a retaining element is provided with the head part comprising a first portion and a second portion, the first portion being made at least partially from a plastic material and a second portion being made from a metal, the second portion enclosing at least partially the first portion.
  • the second portion of the head part being of a metal makes it possible to secure a building sheet with a rivet thereto without any danger of failure of the fixing point.
  • the second portion engages the first portion of the head part, which is out of a plastic material, so that a thermal bridge between the building sheet and the substructure is prevented.
  • the second portion of the head part is substantially sleeve shaped with at least one outer end of the sleeve being closed off. If the sleeve shaped second portion is provided with only one closed outer end, the second portion will be engaging the first portion in a sufficiently safe manner if the open end of the second portion is pointing in the direction of inclination of the head part and/or the structure on which the retaining element is mounted.
  • the shape of the sleeve might be anywhere between a close fit to the first portion and a shape having only a number of contact lines or points with the first portion.
  • the second portion has such a shape that at least one free space is present between the first portion and second portion of the head part in order to have enough free space to accommodate a part of the fastening means with which a building sheet is fastened to the second portion of the head part.
  • Said free space may be located directly between the first and second portion of the head part or between an extension of the second portion extending past an outer end of the first portion of the head part.
  • the second portion is provided with a longitudinal slot to take up the connecting part of the retaining element.
  • the width of the longitudinal slot of the second portion being smaller than the width of the first portion of the head part, seen in the direction perpendicular to the plane of the connecting part it is attained that the second portion can not be lifted in upward direction from the first portion.
  • the second portion of the head part is substantially circular.
  • the first portion of the head part is substantially triangular shaped, the three respective corners abutting the inner wall of the second portion.
  • the load of the building sheet on the retaining element is directly transferred through successively the second portion and the first portion, the connecting part and the base part to the substructure, without any unnecessary movement occurring between first and second portion of the head part.
  • a triangular shaped first portion within a second portion with a circular cross section there will be enough free space at least at one side to accommodate one end of fastening means such as rivets.
  • an oval shaped second portion as seen in cross section enough space between the first and second portion could be realised to be able to accommodate part of said fastening means.
  • the second portion of the head part abuts against the inside planes of the outer ends against the outer ends of the first portion of the head part.
  • the first portion of the head part, except for the connection with the connecting part, is fully enclosed, preventing any movement between the first and second portion of the head part.
  • Fig.1 shows schematically a perspective view of part of the retaining element 1 with a head part 2 and a connecting part 3, connecting the head part 2 to a base part, not shown in the drawing.
  • the head part 2 comprises a first portion 4, directly connecting to the connecting part 3, and a second portion 5 enclosing the first portion 4.
  • the second portion 5 comprises a tubular shaped sleeve 6 with a longitudinal slot 7 with a width corresponding to the thickness of connecting part 3, see also fig.3.
  • end plates 8,9 At the outer ends sleeve 6 is provided with end plates 8,9, the circumference of which corresponds to the circumference of sleeve 6.
  • Fig.2 and 3 show respectively a side view and cross section of the head part 2 and connecting part 3 in which also a portion of stiffening members 10 for connecting part 3 are shown. These stiffening members 10 connect to the connecting part 3 and the base part.
  • the cross section of fig.3 shows that the first portion is substantially triangular with lateral extending parts 13,14 and a rounded top part 15, said parts 13,14,15 all abutting against the inside wall of sleeve 6, by that preventing any radial movement of the second portion 5 with respect of the first portion 4.
  • the second portion 5 is preferably made of a metal, preferably of aluminium, steel or stainless steel.
  • the retaining element 1 is preferably reinforced. This can be done by incorporating a stiffening member, such as a metal structure, substantially within the plastic material or by integrating a fibrous material, such as glass fibre or carbon fibre, in the plastic material.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Connection Of Plates (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
EP05077184A 2005-09-23 2005-09-23 Elément de fixation pour tôles de construction Withdrawn EP1767718A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP05077184A EP1767718A1 (fr) 2005-09-23 2005-09-23 Elément de fixation pour tôles de construction
PCT/EP2006/008966 WO2007039060A1 (fr) 2005-09-23 2006-09-14 Element de retenue pour plaques de construction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05077184A EP1767718A1 (fr) 2005-09-23 2005-09-23 Elément de fixation pour tôles de construction

Publications (1)

Publication Number Publication Date
EP1767718A1 true EP1767718A1 (fr) 2007-03-28

Family

ID=35809584

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05077184A Withdrawn EP1767718A1 (fr) 2005-09-23 2005-09-23 Elément de fixation pour tôles de construction

Country Status (2)

Country Link
EP (1) EP1767718A1 (fr)
WO (1) WO2007039060A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3664080A (en) * 1970-07-06 1972-05-23 Aluminum Co Of America Nailable wall construction
DE9101827U1 (fr) * 1991-02-18 1991-06-06 Zambelli, Franz, 8352 Grafenau, De
EP1236840A1 (fr) 2001-02-19 2002-09-04 Corus Bausysteme GmbH Elément allongé de retenue

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3664080A (en) * 1970-07-06 1972-05-23 Aluminum Co Of America Nailable wall construction
DE9101827U1 (fr) * 1991-02-18 1991-06-06 Zambelli, Franz, 8352 Grafenau, De
EP1236840A1 (fr) 2001-02-19 2002-09-04 Corus Bausysteme GmbH Elément allongé de retenue

Also Published As

Publication number Publication date
WO2007039060A8 (fr) 2007-07-12
WO2007039060A1 (fr) 2007-04-12

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Effective date: 20070315