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EP1869265B1 - Inverted t-shaped profile bar provided with an improved coupling element - Google Patents

Inverted t-shaped profile bar provided with an improved coupling element Download PDF

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Publication number
EP1869265B1
EP1869265B1 EP06723648A EP06723648A EP1869265B1 EP 1869265 B1 EP1869265 B1 EP 1869265B1 EP 06723648 A EP06723648 A EP 06723648A EP 06723648 A EP06723648 A EP 06723648A EP 1869265 B1 EP1869265 B1 EP 1869265B1
Authority
EP
European Patent Office
Prior art keywords
appendix
profile bar
coupling element
inverted
tooth
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.)
Active
Application number
EP06723648A
Other languages
German (de)
French (fr)
Other versions
EP1869265A1 (en
Inventor
Mauro Barbuio
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.)
Atena SpA
Original Assignee
Atena SpA
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 Atena SpA filed Critical Atena SpA
Priority to PL06723648T priority Critical patent/PL1869265T3/en
Priority to SI200631074T priority patent/SI1869265T1/en
Publication of EP1869265A1 publication Critical patent/EP1869265A1/en
Application granted granted Critical
Publication of EP1869265B1 publication Critical patent/EP1869265B1/en
Priority to CY20111100598T priority patent/CY1111586T1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/06—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by constructional features of the supporting construction, e.g. cross section or material of framework members
    • E04B9/12—Connections between non-parallel members of the supporting construction
    • E04B9/122—Connections between non-parallel members of the supporting construction one member passing through the other member, both members laying at least partly in the same plane

Definitions

  • the present invention relates to an inverted T-shaped profile bar provided with an improved coupling element.
  • Structural elements for false ceilings consisting of profile bars of inverted T cross-section provided at their ends with coupling elements formed directly within the central web of the T-shaped profile bar or formed separately and applied to each profile bar during its construction.
  • profile bars are provided in the central region of their web with notches in which the coupling element of a profile bar engages perpendicular thereto, to form a grid structure which is suspended from the ceiling generally by steel hangers, and which by means of the horizontal flanges of its profile bars supports panels and/or slats or whatever else is required to form the false ceiling.
  • a known type of inverted T-shaped profile bar is provided at the end of its central web with a coupling element formed separately and applied by traditional riveting techniques to each profile bar during its construction.
  • the coupling element comprises a first substantially rectangular portion which extends into a V-bent second section of lesser height, with a portion coplanar to the first portion and a second portion comprising a tooth obtained by cutting and plastic deformation, the free end of the tooth substantially facing the end of the first portion.
  • This coupling element has however proved susceptible to improvement with regard to its construction, to its rigidity, and to the operations involved in disengaging it from the web.
  • the improved coupling element of the invention is indicated overall by 2 and is applied to the central web 4 of a profile bar 6 of inverted T cross-section.
  • the coupling element is formed separately and comprises substantially a rectangular plate 8 which is applied by rivets 10 to a drawn portion 12 of the end of the web 4.
  • the coupling element is obtained directly during the production of the profile bar.
  • a blade 16 is formed by cutting and plastic deformation, to extend into a tab 18 disposed at an angle to the blade.
  • the blade comprises an engagement tooth 20 also obtained by cutting and plastic deformation.
  • two coupling elements are inserted from opposite sides into the aperture 22 in the web 4, with the tabs positioned externally so that the edges of the grooves 14 become inserted into the notches 24.
  • the tooth 20 interferes with the edge 26 of the aperture 22, to then pass over said edge and become positioned on the other side of the web, to retain it in cooperation with the tooth 20' of the other profile bar 6' (see Figure 3 ).
  • the operator presses the tab 18 towards the plate 8 so as to disengage the undercut formed by the tooth 20 from the edge 26 of the aperture, and then withdraws the coupling element therefrom.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Fishing Rods (AREA)
  • Dowels (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Joining Of Corner Units Of Frames Or Wings (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Connection Of Plates (AREA)

Abstract

An inverted T-shaped profile bar provided with an improved coupling element characterized by comprising: - at least one end of the web (4) of the profile bar (6), an appendix comprising at least one longitudinal rib (14) and a notch defining a tab consisting of a first portion (16) coplanar with the surface of the appendix and a second portion (18) at an angle to said first portion (16), said first profile comprising a tooth (20) obtained from a part of said first profile by cutting and plastic deformation, said tooth (20) being positioned on the same side of said appendix as said second profile (18), - in the central part of the web (4), at least one aperture (22) having a height corresponding to the height of the appendix (6) so that said aperture is suitable for the insertion and stable retention of an appendix of another T-shaped profile bars (6) by means of the tooth (20) and said second portion (18).

Description

  • The present invention relates to an inverted T-shaped profile bar provided with an improved coupling element.
  • Document US-A-4621474 describes a T-shaped profile bar of this kind according to the preamble of claim 1.
  • Structural elements for false ceilings are known consisting of profile bars of inverted T cross-section provided at their ends with coupling elements formed directly within the central web of the T-shaped profile bar or formed separately and applied to each profile bar during its construction.
  • These profile bars are provided in the central region of their web with notches in which the coupling element of a profile bar engages perpendicular thereto, to form a grid structure which is suspended from the ceiling generally by steel hangers, and which by means of the horizontal flanges of its profile bars supports panels and/or slats or whatever else is required to form the false ceiling.
  • A known type of inverted T-shaped profile bar is provided at the end of its central web with a coupling element formed separately and applied by traditional riveting techniques to each profile bar during its construction.
  • The coupling element comprises a first substantially rectangular portion which extends into a V-bent second section of lesser height, with a portion coplanar to the first portion and a second portion comprising a tooth obtained by cutting and plastic deformation, the free end of the tooth substantially facing the end of the first portion.
  • This coupling element has however proved susceptible to improvement with regard to its construction, to its rigidity, and to the operations involved in disengaging it from the web.
  • This improvement is obtained according to the invention by an inverted T-shaped profile bar as described in claim 1.
  • The present invention is further clarified hereinafter with reference to the accompanying drawings, in which:
    • Figure 1 is a perspective view of a profile bar provided with the coupling element of the invention,
    • Figure 2 is a perspective view of the coupling element shown during its engagement with the web, and
    • Figure 3 is a section through two profile bars inserted into the central web of a third T-shaped profile bar.
  • As can be seen from the figures the improved coupling element of the invention is indicated overall by 2 and is applied to the central web 4 of a profile bar 6 of inverted T cross-section.
  • The coupling element is formed separately and comprises substantially a rectangular plate 8 which is applied by rivets 10 to a drawn portion 12 of the end of the web 4.
  • In a variant, not shown in the drawings, the coupling element is obtained directly during the production of the profile bar.
  • In the plate 8, which comprises two longitudinal grooves 14, a blade 16 is formed by cutting and plastic deformation, to extend into a tab 18 disposed at an angle to the blade.
  • The blade comprises an engagement tooth 20 also obtained by cutting and plastic deformation.
  • The central web-comprises a substantially rectangular aperture 22 provided with four angular notches 24.
  • To assemble the grid structure, two coupling elements are inserted from opposite sides into the aperture 22 in the web 4, with the tabs positioned externally so that the edges of the grooves 14 become inserted into the notches 24.
  • As insertion continues, the tooth 20 interferes with the edge 26 of the aperture 22, to then pass over said edge and become positioned on the other side of the web, to retain it in cooperation with the tooth 20' of the other profile bar 6' (see Figure 3).
  • When the profile bars are to be mutually disengaged, the operator presses the tab 18 towards the plate 8 so as to disengage the undercut formed by the tooth 20 from the edge 26 of the aperture, and then withdraws the coupling element therefrom.
  • From the aforegoing it is apparent that the improved coupling element of the invention presents numerous advantages, and in particular:
    • easy construction as only cutting and bending operations are used,
    • a strengthened structure in the regions in which it engages the web, by virtue of the presence of the ribs, while at the same time being elastic to enable this engagement to take place,
    • easy disengagement by virtue of the accessibility of the tab, without having to use tools or laborious operations.

Claims (2)

  1. An inverted T-shaped profile bar provided with an improved coupling element comprising at at least one end of the web (4) of the profile bar (6), an appendix (2) comprising at least one longitudinal rib (14) and a notch defining a tab, and, in the central part of the web (4), at least one aperture (22) having a height corresponding to the height of the appendix (2), the inverted T-shaped profile being characterised in that :
    - the tab consists of a first portion (16) coplanar with the surface of the appendix (2) and a second portion (18) at an angle to said first portion (16), said first portion comprising a tooth (20) obtained from a part of said first portion by cutting and plastic deformation, said tooth (20) being positioned on the same side of said appendix as said second portion (18), and in that,
    - said aperture (22) is suitable for the insertion and stable retention of an appendix of another T-shaped profile bar (6) by means of the tooth (20) and said second portion (18).
  2. A profile bar as claimed in claim 1, characterised by comprising two groove-shaped longitudinal ribs.
EP06723648A 2005-03-25 2006-03-23 Inverted t-shaped profile bar provided with an improved coupling element Active EP1869265B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PL06723648T PL1869265T3 (en) 2005-03-25 2006-03-23 Inverted t-shaped profile bar provided with an improved coupling element
SI200631074T SI1869265T1 (en) 2005-03-25 2006-03-23 Inverted t-shaped profile bar provided with an improved coupling element
CY20111100598T CY1111586T1 (en) 2005-03-25 2011-06-24 SURFACE DRIVE INFORMED FORM WITH AN IMPROVED CONNECTION ELEMENT

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000010U ITVE20050010U1 (en) 2005-03-25 2005-03-25 PROFILE ASTIFORME A T REVERSE PROVIDED WITH REFINED ELEMENT FOR FIXING -
PCT/EP2006/002656 WO2006100068A1 (en) 2005-03-25 2006-03-23 Inverted t-shaped profile bar provided with an improved coupling element

Publications (2)

Publication Number Publication Date
EP1869265A1 EP1869265A1 (en) 2007-12-26
EP1869265B1 true EP1869265B1 (en) 2011-05-04

Family

ID=37023382

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06723648A Active EP1869265B1 (en) 2005-03-25 2006-03-23 Inverted t-shaped profile bar provided with an improved coupling element

Country Status (12)

Country Link
EP (1) EP1869265B1 (en)
AT (1) ATE508232T1 (en)
CY (1) CY1111586T1 (en)
DE (1) DE602006021732D1 (en)
DK (1) DK1869265T3 (en)
ES (1) ES2364423T3 (en)
HR (1) HRP20110417T1 (en)
IT (1) ITVE20050010U1 (en)
PL (1) PL1869265T3 (en)
PT (1) PT1869265E (en)
SI (1) SI1869265T1 (en)
WO (1) WO2006100068A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1396235B1 (en) * 2009-05-05 2012-11-16 Antonio Guerrasio S R L TERMINAL LOCKING HOOK FOR "T" PROFILES REVERSE ACTUALLY TO BE INSERTED AND DISENGAGED EASILY IN SPECIAL SLOTS WITHOUT ANY DEFORMATION OF THE INTERESTED PARTS, THANKS TO AN ELASTIC TONGUE INTENDED FOR THEM, FREE OF BUGS.
IT1399234B1 (en) 2010-04-06 2013-04-11 Dallan Spa PROFILE FOR HOUSINGS AND HOUSING
IT1399235B1 (en) 2010-04-06 2013-04-11 Dallan Spa PROFILE FOR HOUSINGS AND HOUSING
EP3497290B1 (en) * 2016-08-15 2020-10-07 Worthington Armstrong Venture Hook connection clip for false ceiling system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4621474A (en) * 1985-07-25 1986-11-11 Donn Incorporated Grid connectors for suspension ceiling
US5966887A (en) * 1997-09-10 1999-10-19 Bailey Metal Products Limited Suspended ceiling cross tee end connector

Also Published As

Publication number Publication date
DK1869265T3 (en) 2011-08-15
ES2364423T3 (en) 2011-09-02
ITVE20050010U1 (en) 2006-09-26
ATE508232T1 (en) 2011-05-15
EP1869265A1 (en) 2007-12-26
HRP20110417T1 (en) 2011-07-31
WO2006100068A1 (en) 2006-09-28
PL1869265T3 (en) 2011-10-31
SI1869265T1 (en) 2011-09-30
PT1869265E (en) 2011-07-13
DE602006021732D1 (en) 2011-06-16
CY1111586T1 (en) 2015-10-07

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