EP2374956B1 - Profilé pour cadres et cadre correspondant - Google Patents

Profilé pour cadres et cadre correspondant Download PDF

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Publication number
EP2374956B1
EP2374956B1 EP11160694.3A EP11160694A EP2374956B1 EP 2374956 B1 EP2374956 B1 EP 2374956B1 EP 11160694 A EP11160694 A EP 11160694A EP 2374956 B1 EP2374956 B1 EP 2374956B1
Authority
EP
European Patent Office
Prior art keywords
rib
profiled bar
coupling aperture
profiled
pair
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
EP11160694.3A
Other languages
German (de)
English (en)
Other versions
EP2374956A1 (fr
Inventor
Sergio Dallan
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.)
Dallan SpA
Original Assignee
Dallan SpA
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Filing date
Publication date
Application filed by Dallan SpA filed Critical Dallan SpA
Priority to SI201130132T priority Critical patent/SI2374956T1/sl
Priority to PL11160694T priority patent/PL2374956T3/pl
Publication of EP2374956A1 publication Critical patent/EP2374956A1/fr
Application granted granted Critical
Publication of EP2374956B1 publication Critical patent/EP2374956B1/fr
Active legal-status Critical Current
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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/06Ceilings; 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
    • E04B9/12Connections between non-parallel members of the supporting construction
    • E04B9/122Connections 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 a profiled bar for frames, and a relative frame.
  • the profiled bar according to the invention is used in particular to make frames to support false ceilings. State of the art
  • the profiled bars of the prior art have a "T" profile comprising a central rib, a plate perpendicular to the central rib, and attachment elements positioned on the lateral ends of the rib.
  • One or more shaped apertures are made on the central rib.
  • the frames are assembled by mechanically engaging the attachment elements of one profiled bar in the apertures made on the central rib of other profiled bars so as to form a reticular structure.
  • reticular structure is generally suspended, for example by steel cables or tie-rods, to the ceiling.
  • Panels, slats or other elements needed to form the false ceiling are laid on the wings defined by the plate of the "T" profiled bar, facing downwards.
  • the attachment elements comprise flexible tongues, which project from the longitudinal ends of the profiled bars to engage in the aforesaid apertures.
  • Each tongue is provided with a central tooth, destined to engage the rib of the profiled bar for holding it once the attachment element has been inserted into the said aperture after elastic bending of the tongue.
  • US2004/0159064 discloses a profiled bar having a flexible tongue for engaging a coupling aperture in the rib of another bar.
  • the tongue has an end portion of reduced size in order to engage a seat made in the coupling aperture.
  • the purpose of the present invention is to overcome the drawbacks of the prior art mentioned above, by making available a profiled bar which offers a more resistant and safer mechanical connection.
  • reference numeral 4, 4', 4" globally denotes a profiled bar, in particular for frames 8, having a main longitudinal extension X-X from a first to a second end 12,16.
  • the profiled bar 4 has, on at least one of said ends 12, 16, an attachment element 20 suitable for engaging with a further profiled bar 4' or 4".
  • the profiled bar 4 comprises a rib 24 and a plate 28 positioned perpendicular to the rib 24 so as to form together a "T" section.
  • the rib 24 comprises a longitudinal stiffening element 42 positioned on the side opposite the plate 28.
  • the fixing base 40 is attached to the rib by riveting, welding, gluing and/or threaded coupling devices.
  • the tongue 48 is provided with a pair of recesses 51, 52 which define an attachment head 50.
  • the coupling aperture 36 in turn defines a first pair of projections 31, 32 suitable for engaging with the aforesaid recesses 51, 52 to hold the attachment head 50 to the rib 24.
  • Such projections 31, 32 are positioned in opposite positions to a longitudinal centreline plane L-L of the rib 24.
  • the attachment element does not press in the centre line area of the rib (i.e. in the weakest point of the profiled bar), but rather presses on two portions of the rib distanced from the centreline area and therefore positioned respectively beside the plate 28 and the longitudinal stiffening element 42 (i.e. in the strongest and most rigid points of the profiled bar).
  • the centreline plane M-M is also a plane of symmetry for the coupling aperture 36.
  • the free end 44 of the fixing base 40 has a pair of shoulders 76 which define an end stop in the insertion of the attachment element 20 inside the coupling aperture 36.
  • the free end 44 may have a pair of draft bevels 80 to facilitate insertion of the attachment element 20 inside the coupling aperture 36.
  • the profiled bars 4, 4', 4" of the present invention may advantageously be assembled to each other to form a frame 8, in particular to support false ceilings.
  • the frame 8 comprises a plurality of profiled bars 4, 4', 4" mechanically coupled to each other so that the attachment element 20 of one profiled bar 4' engages in the coupling aperture 36 of a second profiled bar 4" .
  • the profiled bar according to the invention makes it possible to overcome the drawbacks presented in the prior art.
  • the profiled bar ensures more resistant and stable mechanical connection, characterised by an improved distribution of the stresses. This guarantees greater reliability and stability of the frame obtained by the interconnection of such profiled bars.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Insulators (AREA)
  • Clamps And Clips (AREA)

Claims (11)

  1. Barre profilée (4, 4', 4"), en particulier pour des ossatures (8), ayant une extension longitudinale principale (X-X) depuis une première et une seconde extrémité (12, 16), la barre profilée (4, 4', 4") ayant, sur au moins l'une desdites extrémités (12, 16) un élément de fixation (20) approprié pour s'enclencher avec une autre barre profilée (4"), et comprenant une nervure (24) et une plaque (28) positionnée perpendiculaire à la nervure (24) de façon à former ensemble une section en « T », la nervure (24) comprenant au moins une ouverture de couplage (36) formée pour loger ledit élément de fixation (20), l'ouverture de couplage (36) étant positionnée entre lesdites première et seconde extrémités (12, 16), selon laquelle
    l'élément de fixation (20) comprend une base (40) pour fixation à la nervure (24), laquelle base dépasse au moins partiellement de la barre profilée (4, 4', 4") avec une extrémité libre (44), et une languette (48) flexiblement élastique et couplée à la base de fixation (40), la languette (48) étant obtenue par cisaillement et courbage d'une portion de la base de fixation (40), de façon à former un angle d'incidence avec la base de fixation (40) elle-même, caractérisée en ce que la languette (48) est pourvue d'une paire de renfoncements (51, 52) qui définissent dans la languette une tête de fixation (50) et un étranglement, l'ouverture de couplage (36) définissant une première paire de saillies (31, 32) appropriée pour s'enclencher avec les renfoncements (51, 52) pour maintenir la tête de fixation (50) sur la nervure (24), lesdites saillies (31, 32) définissant dans l'ouverture de couplage (36) une première rainure (58) ayant une largeur sensiblement équivalente à la largeur de l'étranglement et étant positionnées dans des directions opposées à un plan de ligne centrale longitudinale (L-L) de la nervure (24), la languette enclenchant l'ouverture de couplage avec l'étranglement positionné à l'intérieur de ladite première rainure (38), lorsque l'élément de fixation est inséré dans l'ouverture de couplage.
  2. Barre profilée selon la revendication 1, dans laquelle lesdites saillies (31, 32) sont positionnées symétriquement au plan de ligne centrale longitudinale (L-L) de la nervure (24).
  3. Barre profilée (4) selon la revendication 1 ou 2, dans laquelle l'ouverture de couplage (36) a une première paire de guides (60) positionnés sur des côtés opposés au plan de ligne centrale longitudinale (L-L) de la nervure (24) et ledit élément de fixation (20) a une première paire de pattes (64) faisant saillie depuis la base de fixation (40), lesdits premiers guides (60) coulissant en conjonction avec les premières pattes (64) pour guider le couplage de l'élément de fixation (20).
  4. Barre profilée (4) selon la revendication 1, 2 ou 3, dans laquelle l'ouverture de couplage définit au moins une seconde paire de saillies (33, 34), opposée à la première paire de saillies (31, 32) par rapport à un plan de ligne centrale (M-M) de l'ouverture, orthogonal à l'extension longitudinale principale (X-X), afin de permettre le maintien simultané de deux éléments de fixation (20) de deux barres profilées séparées (4', 4").
  5. Barre profilée (4) selon la revendication 4, dans laquelle ledit plan de ligne centrale (M-M) est également un plan de symétrie pour l'ouverture de couplage (36).
  6. Barre profilée (4) selon la revendication 3, 4 ou 5, dans laquelle l'ouverture de couplage (36) a une seconde paire de guides (72) positionnée sur des côtés opposés par rapport au plan de ligne centrale longitudinale (L-L) de la nervure (24), afin de permettre le couplage guidé de deux éléments de fixation (20) de deux barres profilées séparées (4', 4").
  7. Barre profilée (4) selon l'une quelconque des revendications précédentes, dans laquelle la base de fixation (40) est arrimée à la nervure (24) par des rivets, soudage, collage et/ou des dispositifs de couplage filetés.
  8. Barre profilée (4) selon l'une quelconque des revendications précédentes, dans laquelle l'extrémité libre (44) de la base de fixation (40) a une paire d'épaulements (76) qui définit une butée d'extrémité dans l'insertion de l'élément de fixation (20) à l'intérieur de l'ouverture de couplage (36), lesdits épaulements (76) butant contre la nervure (24) de l'autre barre profilée (4") dans l'état installé.
  9. Barre profilée (4) selon l'une quelconque des revendications précédentes, dans laquelle l'extrémité libre (44) a une paire de biseaux de dépouille (80) pour faciliter l'insertion de l'élément de fixation (20) à l'intérieur de l'ouverture de couplage (36).
  10. Barre profilée (4) selon l'une quelconque des revendications précédentes, dans laquelle ladite nervure (24), sur le côté opposé de la plaque (28), comprend un élément de raidissement longitudinal (42).
  11. Ossature (8), en particulier pour le support de plafonds suspendus, comprenant une pluralité de barres profilées (4, 4', 4") selon une ou plusieurs des revendications précédentes, dans laquelle lesdites barres profilées (4, 4', 4") sont couplées mécaniquement l'une à l'autre de sorte que l'élément de fixation (20) d'une première barre profilée (4') se couple dans l'ouverture de couplage (36) d'une seconde barre profilée (4").
EP11160694.3A 2010-04-06 2011-03-31 Profilé pour cadres et cadre correspondant Active EP2374956B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI201130132T SI2374956T1 (sl) 2010-04-06 2011-03-31 Profilirana palica za okvirje in ustrezni okvir
PL11160694T PL2374956T3 (pl) 2010-04-06 2011-03-31 Profilowana listwa do konstrukcji szkieletowych i powiązana z nią konstrukcja szkieletowa

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITPD2010A000108A IT1399234B1 (it) 2010-04-06 2010-04-06 Profilato per intelaiature e intelaiatura

Publications (2)

Publication Number Publication Date
EP2374956A1 EP2374956A1 (fr) 2011-10-12
EP2374956B1 true EP2374956B1 (fr) 2014-01-15

Family

ID=43244726

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11160694.3A Active EP2374956B1 (fr) 2010-04-06 2011-03-31 Profilé pour cadres et cadre correspondant

Country Status (8)

Country Link
US (1) US20120085061A1 (fr)
EP (1) EP2374956B1 (fr)
DK (1) DK2374956T3 (fr)
ES (1) ES2458126T3 (fr)
IT (1) IT1399234B1 (fr)
PL (1) PL2374956T3 (fr)
PT (1) PT2374956E (fr)
SI (1) SI2374956T1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1399235B1 (it) * 2010-04-06 2013-04-11 Dallan Spa Profilato per intelaiature e intelaiatura
US8590248B2 (en) * 2012-04-20 2013-11-26 Usg Interiors, Llc Indexing tab for grid runners
US9637918B1 (en) * 2016-01-06 2017-05-02 Usg Interiors, Llc Cross runner to main runner anchor clip
CN107304592B (zh) * 2016-04-20 2023-03-21 北新集团建材股份有限公司 一种异形龙骨及其组合龙骨
EP3862501B1 (fr) * 2020-02-04 2023-10-11 Saint-Gobain Ecophon AB Connecteur de profil secondaire pour un système de plafond suspendu

Family Cites Families (4)

* 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
ITVE20020027U1 (it) 2002-11-08 2004-05-09 Atena S R L Elemento perfezionato di aggancio per profilati astiformi a t rovescia .
JP4025658B2 (ja) * 2003-02-13 2007-12-26 株式会社奥村製作所 天井板用吊持杆の連結機構
ITVE20050010U1 (it) 2005-03-25 2006-09-26 Atena S R L Profilato astiforme a t rovescia provvisto di elemento perfezionato di aggancio.-

Also Published As

Publication number Publication date
PL2374956T3 (pl) 2014-05-30
ITPD20100108A1 (it) 2011-10-07
US20120085061A1 (en) 2012-04-12
ES2458126T3 (es) 2014-04-30
EP2374956A1 (fr) 2011-10-12
IT1399234B1 (it) 2013-04-11
DK2374956T3 (en) 2014-03-24
SI2374956T1 (sl) 2014-05-30
PT2374956E (pt) 2014-03-25

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