DK2374956T3 - Profile tool for environment and similar framework - Google Patents

Profile tool for environment and similar framework Download PDF

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Publication number
DK2374956T3
DK2374956T3 DK11160694.3T DK11160694T DK2374956T3 DK 2374956 T3 DK2374956 T3 DK 2374956T3 DK 11160694 T DK11160694 T DK 11160694T DK 2374956 T3 DK2374956 T3 DK 2374956T3
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DK
Denmark
Prior art keywords
rib
profile
pair
coupling
tongue
Prior art date
Application number
DK11160694.3T
Other languages
Danish (da)
Inventor
Sergio Dallan
Original Assignee
Dallan Spa
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Publication of DK2374956T3 publication Critical patent/DK2374956T3/en

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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

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

Description

Description Field of application [0001] The present invention relates to a profiled bar for frames, and a relative frame.
[0002] The profiled bar according to the invention is used in particular to make frames to support false ceilings. State of the art [0003] ft is known of in the art to make frames for false ceilings comprising a plurality of profiled bars mechanically coupled to each other.
[0004] 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.
[0005] 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. Such 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.
[0006] Generally, 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.
[0007] Profiled bars with attachment elements of this type are described, for example, in the international patent applications WO 2004/042162 A1 e WO 2006/100068 Al.
[0008] The solutions of profiled bars for frames described above, despite being efficient, do not however permit an adequate mechanical distribution of the stresses in the points of reciprocal connection. The connection of the profiled bars is in fact entrusted substantially to a single retention tooth which, in addition, presses in the centreline area of the rib, that is the mechanically the weakest point of the profiled bar itself.
[0009] 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.
Presentation of the invention [0010] Consequently, 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.
[0011] A further purpose of the present invention is to make available a profiled bar which is simple and economical to produce.
Brief description of the drawings [0012] The technical characteristics of the invention, according to the aforesaid purposes, are clearly evident from the claims below and the advantages of the same will be clearer from the following description made with reference to the appended drawings, showing one or more embodiments by way of non-limiting examples, wherein: figure 1 shows a side view of a profiled bar according to one embodiment of the present invention; figure 2 shows a side view of the profiled bar in figure 1, from the side of the arrow II in figure 1; figure 3 shows a cross-section view of the profiled bar in figure 1, along the section plane III-III in figure 2; figure 4 shows a view of a frame comprising profiled bars according to the present invention; figure 5 shows a cross-section of the frame in figure 4, along the section plane V-V in figure 4; figure 6 shows a cross-section view of the frame in figure 4, along the section plane VI-VI in figure 4; figure 7 shows a perspective view of the profiled bar illustrated in figure 1; figure 8 shows a perspective view of three profiled bars according to the invention in an assembly position. Detailed description [0013] The elements or parts of elements common to the embodiments described below will be indicated using the same reference numerals.
[0014] With reference to the aforesaid figures, 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.
[0015] 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".
[0016] 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.
[0017] Preferably the rib 24 comprises a longitudinal stiffening element 42 positioned on the side opposite the plate 28.
[0018] As illustrated in particular in Figure 1, the profiled bar 4 may be made from a single sheet by bending and shaping. The sheet defines the longitudinal stiffening element 42 as a box-like body and extends then in two distinct flat portions alongside each other to form the central rib 24. The two flat portions end with two orthogonal appendages, coplanar to each other and connected by a small connection plate, so as to define the plate 28.
[0019] The rib 24 comprises at least one coupling aperture 36, shaped to house said attachment element 20 in a holding relationship and positioned between said first and second ends 12, 16.
[0020] The attachment element 20 comprises a fixing base 40 to the rib 24 which projects at least partially from the profiled bar 4 with a free end 44, and a tongue 48 flexibly elastic and coupled to the fixing base 40.
[0021] For example, the fixing base 40 is attached to the rib by riveting, welding, gluing and/or threaded coupling devices.
[0022] As may be seen in particular in Figures 1 and 2, the fixing base 40 is connected to the central rib 24 in a specially lowered area which acts as attachment seat. In particular, such lowered area may be obtained by removing a corresponding portion from one of the two flat neighbouring portions which define the rib of the profiled bar.
[0023] Alternatively, the fixing base may be made in one piece with the rib of the profiled bar.
[0024] The tongue 48 is obtained through shearing and bending of a portion of the fixing base 40, so as to form an angle of incidence with the fixing base 40 itself.
[0025] 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.
[0026] In particular, as shown in Figure 6, the first pair of projections 31, 32 define inside the coupling aperture 36 a first groove 38 having a width substantially equivalent to the width of the necking defined on the flexible tongue 48 by the aforesaid two recesses 51, 52. Operatively, as will be described further below, when the attachment element is inserted into the coupling aperture, the tongue engages the coupling aperture with the necking positioned inside the aforesaid first groove 38.
[0027] Preferably, the projections 31, 32 are positioned in symmetrical positions to the aforesaid longitudinal centreline plane L-L of the rib 24.
[0028] According to one embodiment, the coupling aperture 28 has a first pair of guides 60 positioned on opposite sides to the aforesaid longitudinal centre line plane L-L of the rib 24, and said attachment element 20 has a first pair of tabs 64 jutting out from the fixing base 40. The guides 60 cooperates slidaby in conjunction with the tabs 64 to guide the coupling of the attachment element 20 inside the coupling aperture 36.
[0029] Operatively, the free end 44 of the fixing base 40 is inserted inside the coupling aperture with the tabs 64 which engage the pair of guides 60 so as to slide. Gradually, as the free end 44 penetrates inside the aperture, the flexible tongue 48 is progressively pushed by the rib 24 against the fixing base, until the attachment head 50 has completely traversed the rib 24 and the two projections 31, 32 have engaged the two recesses 51, 52. At this point, the necking area engages in the first groove 58 with the tongue which snaps back into the uncompressed condition, keeping the attachment head 50 pressed onto the rib 24.
[0030] Thanks to the invention, unlike the solutions of the prior art considered, as may be observed in Figure 4 the connection between the profiled bars is not located in a single point but two separate and distanced holding points are provided, corresponding to the two projections, thereby enabling an improved distribution of the mechanical stresses.
[0031] Moreover, again thanks to the invention, 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).
[0032] According to a further embodiment, illustrated in particular in Figure 6, the coupling aperture 36 defines at least a second pair of projections 33, 34, opposite the first pair of projections 31, 32 in relation to a centre line plane M-M of the aperture, orthogonal to the main longitudinal extension X-X of the profiled bar, to enable the contemporary holding of two attachment elements 20 of two separate profiled bars 4', 4".
[0033] Advantageously, the coupling aperture 36 has a second pair of guides 72 positioned on opposite sides in relation to the longitudinal centre line plane L-L of the rib 24, to permit the guided coupling of two attachment elements 20 of two separate profiled bars 4', 4" .
[0034] Preferably, as illustrated in Figure 6, the centreline plane M-M is also a plane of symmetry for the coupling aperture 36.
[0035] According to a preferred embodiment, illustrated in detail in Figure 6, the coupling aperture 36 has a symmetrical profile to the centreline plane M-M and has a specular groove 58, which is made astride the longitudinal centreline plane L-L of the rib and is defined by two steps corresponding to the aforesaid two projections 31, 32 and 33, 34. Laterally to each projection a seat is made corresponding to one of the aforesaid guides 60, 72. Such seat is respectively defined by one of said projections 31, 32, 33, 34, which extends perpendicular towards the centreline plane M-M, and by a tooth 74 aligned on such centreline plane M-M.
[0036] Preferably, 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.
[0037] Operatively, such shoulders 76 abut on the rib 24, once the attachment head 50 has engaged the rib 24 so as to hold it. This way lending further stability to the coupling.
[0038] 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.
[0039] 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. As illustrated in Figures 4 and 6, 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" .
[0040] As may be appreciated from the description, the profiled bar according to the invention makes it possible to overcome the drawbacks presented in the prior art.
[0041] In particular, 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.
[0042] Lastly, the profiled bar is economical and simple to produce, inasmuch as obtainable by cutting and bending operations.
[0043] A person skilled in the art may make numerous modifications and variations to the sections described above so as to satisfy contingent and specific requirements, all contained within the sphere of the invention as defined by the appended claims.

Claims (11)

1. Profilstang (4, 4’, 4”), særligt til rammer (8), der har en langsgående hovedudstrækning (X-X) fra en første og en yderligere ende (12, 16), hvilken profilstang (4, 4’, 4”) på i det mindste én af enderne (12, 16) indeholder et tilslutningselement (20), der er egnet til at gå i indgreb med en yderligere profilstang (4”) og omfatter en ribbe (24) og en plade (28), der er anbragt vinkelret på ribben (24), således at de sammen danner et T-afsnit, idet ribben (24) omfatter i det mindste en koblingsåbning (36), der er udformet til at rumme tilslutningselementet (20), idet koblingsåbningen (36) er anbragt mellem den første og den yderligere ende (12, 16), idet tilslutningselementet (20) omfatter en basis (40) til fastgørelse på ribben (24), hvilken basis rager i det mindste delvist frem fra profilstangen (4, 4’, 4”) med en fri ende (44), og en tunge (48), der er bøjeligt elastisk og forbundet med fastgørelsesbasen (40), idet tungen (48) opnås ved forskydning og bøjning af en del af fastgørelsesbasen (40), således at der dannes en indfaldsvinkel med selve fastgørelsesbasen (40), kendetegnet ved, at tungen (48) tilvejebringes med et par af udsparinger (51, 52), der i tungen definerer et tilslutningshoved (50) og en indsnævring, idet koblingsåbningen (36) definerer et første par af fremspring (31, 32), der er egnet til at gå i indgreb med udsparingerne (51, 52), for at holde tilslutningshovedet (50) på ribben (24), hvilke fremspring (31, 32) i koblingsåbningen (36) definerer en første rille (58), der har en bredde, der i det væsentlige svarer til bredden af indsvævringen, og anbringes i forskellige positioner i forhold til et langsgående midterlinjeplan (L-L) af ribben (24), idet tungen går i indgreb med koblingsåbningen, mens indsnævringen er anbragt inden i den første rille (38), når tilslutningselementet er indsat i koblingsåbningen.A profile bar (4, 4 ', 4 "), especially for frames (8) having a longitudinal head extension (XX) from a first and a further end (12, 16), said profile bar (4, 4', 4 ") On at least one of the ends (12, 16) includes a connecting element (20) suitable for engaging an additional profile rod (4") and comprising a rib (24) and a plate (28) arranged perpendicular to the rib (24) so that they together form a T-section, the rib (24) comprising at least one coupling aperture (36) formed to accommodate the connecting member (20), the coupling aperture ( 36) is disposed between the first and the further ends (12, 16), the connecting member (20) comprising a base (40) for fastening to the rib (24), which base protrudes at least partially from the profile rod (4, 4) 4 ') with a free end (44) and a tongue (48) flexibly elastic and connected to the fastening base (40), the tongue (48) being obtained by displacement and bending a portion of the fastener base (40) to form an angle of incidence with the fastener base (40), characterized in that the tongue (48) is provided with a pair of recesses (51, 52) defining in the tongue a connecting head (50) and a narrowing, the coupling opening (36) defining a first pair of projections (31, 32) suitable for engaging the recesses (51, 52) to hold the connecting head (50) on the rib ( 24), which projections (31, 32) of the coupling aperture (36) define a first groove (58) having a width substantially corresponding to the width of the indentation and placed in different positions relative to a longitudinal centerline plane ( LL) of the rib (24), the tongue engaging the coupling opening while the constriction is positioned within the first groove (38) when the connecting member is inserted into the coupling opening. 2. Profilstang ifølge krav 1, ved hvilken fremspringene (31, 32) er anbragt symmetrisk i forhold til ribbens (24) langsgående midterlinjeplan (L-L).A profile bar according to claim 1, wherein the projections (31, 32) are arranged symmetrically with respect to the longitudinal center line plane (L-L) of the rib (24). 3. Profilstang (4) ifølge krav 1 eller 2, ved hvilken koblingsåbningen (36) indeholder et første par af føringer (60), der er anbragt på modsatte sider af ribbens (24) langsgående midterlinjeplan (L-L), og tilslutningselementet (20) indeholder et første par af flige (64), der rager frem fra fastgørelsesbasen (40), idet de første føringer (60) glider i en forbindelse med de første flige (64) for at føre koblingen på tilslutningselementet (20).A profile rod (4) according to claim 1 or 2, wherein the coupling opening (36) includes a first pair of guides (60) disposed on opposite sides of the longitudinal centerline plane (LL) of the rib (24) and the connecting element (20) includes a first pair of lugs (64) projecting from the fastening base (40), the first guides (60) sliding into a connection with the first lugs (64) to guide the coupling on the connecting member (20). 4. Profilstang (4) ifølge krav 1, 2 eller 3, ved hvilken koblingsåbningen definerer i det mindste et yderligere par af fremspring (33, 34), der ligger over for det første par af fremspring (31, 32) i forhold til åbningens midterlinjeplan (M-M), vinkelret på den langsgående hovedudstrækning (X-X), for at gøre det muligt at holde to tilslutningselementer (20) fra to separate profilstænger (4’, 4”) samtidigt.A profile rod (4) according to claim 1, 2 or 3, wherein the coupling opening defines at least one additional pair of projections (33, 34) which are opposite to the first pair of projections (31, 32) relative to that of the aperture. center line plane (MM), perpendicular to the longitudinal main extension (XX), to allow two connecting elements (20) to be held from two separate profile bars (4 ', 4') simultaneously. 5. Profilstang (4) ifølge krav 4, ved hvilken midter linjeplanet (M-M) desuden udgør et symmetriplan for koblingsåbningen (36).The profile bar (4) according to claim 4, wherein the center line plane (M-M) further comprises a plane of symmetry for the coupling opening (36). 6. Profilstang (4) ifølge krav 3, 4 eller 5, ved hvilken koblingsåbningen (36) indeholder et yderligere par af føringer (72), der er anbragt på over for hinanden liggende sider i forhold til ribbens (24) langsgående midterlinjeplan (L-L), for at muliggøre en ført sammenkobling af to tilslutningselementer (20) fra to separate profilstænger (4’, 4”).A profile bar (4) according to claim 3, 4 or 5, wherein the coupling opening (36) contains an additional pair of guides (72) disposed on opposite sides relative to the longitudinal centerline plane of the rib (24). ), to allow a duct connection of two connecting elements (20) from two separate profile bars (4 ', 4'). 7. Profilstang (4) ifølge et hvilket som helst af de foregående krav, ved hvilken fastgørelsesbasen (40) er fastgjort på ribben (24) ved hjælp af nitter, svejsning, klæbning og/eller gevindkoblingsanordninger.A profile rod (4) according to any one of the preceding claims, in which the fastening base (40) is fixed to the rib (24) by means of rivets, welding, adhesive and / or threaded coupling devices. 8. Profilstang (4) ifølge et hvilket som helst af de foregående krav, ved hvilken den frie ende (44) af fastgørelsesbasen (40) omfatter et par af ansatser (76), der definerer et endestop ved indsættelsen af tilslutningselementet (20) i koblingsåbningen (36), hvilke ansatser (76) i den installerede tilstand støder op til ribben (24) på den yderligere profilstang (4”).A profile rod (4) according to any one of the preceding claims, wherein the free end (44) of the fastening base (40) comprises a pair of abutments (76) defining an end stop at the insertion of the connecting element (20) into the the coupling aperture (36), which abutments (76) in the installed state adjoin the rib (24) of the additional profile bar (4 "). 9. Profilstang (4) ifølge et hvilket som helst af de foregående krav, ved hvilken den frie ende (44) omfatter et par af affasninger (80), der gør det lettere at indsætte tilslutningselementet (20) i koblingsåbningen (36).The profile rod (4) according to any one of the preceding claims, wherein the free end (44) comprises a pair of bevels (80) facilitating insertion of the connecting element (20) into the coupling opening (36). 10. Profilstang (4) ifølge et hvilket som helst af de foregående krav, ved hvilken ribben (24) på siden, der ligger over for pladen (28) omfatter en langsgående afstivningselement (42).A profile bar (4) according to any one of the preceding claims, wherein the rib (24) on the side opposite the plate (28) comprises a longitudinal stiffening element (42). 11. Ramme (8), særligt til støtte at nedhængte lofter, der omfatter en flerhed af profilstænger (4, 4’, 4”), ifølge et eller flere af de foregående krav, ved hvilken profilstængeme (4, 4’, 4”) er koblet mekanisk sammen med hinanden, således at tilslutningselementet (20) på den første profilstang (4’) kobles sammen med koblingsåbningen (36) på en yderligere profilstang (4”).Frame (8), in particular for supporting suspended ceilings comprising a plurality of profile bars (4, 4 ', 4 ") according to one or more of the preceding claims, wherein the profile bars (4, 4', 4") ) are mechanically coupled to each other such that the connecting element (20) of the first profile rod (4 ') is coupled to the coupling opening (36) of a further profile rod (4 ").
DK11160694.3T 2010-04-06 2011-03-31 Profile tool for environment and similar framework DK2374956T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITPD2010A000108A IT1399234B1 (en) 2010-04-06 2010-04-06 PROFILE FOR HOUSINGS AND HOUSING

Publications (1)

Publication Number Publication Date
DK2374956T3 true DK2374956T3 (en) 2014-03-24

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DK11160694.3T DK2374956T3 (en) 2010-04-06 2011-03-31 Profile tool for environment and similar framework

Country Status (8)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1399235B1 (en) * 2010-04-06 2013-04-11 Dallan Spa PROFILE FOR HOUSINGS AND HOUSING
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 (en) * 2016-04-20 2023-03-21 北新集团建材股份有限公司 Special-shaped keel and combined keel thereof
EP3862501B1 (en) * 2020-02-04 2023-10-11 Saint-Gobain Ecophon AB A secondary profile connector for a suspended ceiling system

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 (en) 2002-11-08 2004-05-09 Atena S R L PERFECTED HOOKING ELEMENT FOR ASTIFORM PROFILES WITH T-SHAPED BACK.
JP4025658B2 (en) * 2003-02-13 2007-12-26 株式会社奥村製作所 Connecting mechanism for suspension plate for ceiling board
ITVE20050010U1 (en) 2005-03-25 2006-09-26 Atena S R L PROFILE ASTIFORME A T REVERSE PROVIDED WITH REFINED ELEMENT FOR FIXING -

Also Published As

Publication number Publication date
PT2374956E (en) 2014-03-25
ES2458126T3 (en) 2014-04-30
US20120085061A1 (en) 2012-04-12
IT1399234B1 (en) 2013-04-11
PL2374956T3 (en) 2014-05-30
ITPD20100108A1 (en) 2011-10-07
SI2374956T1 (en) 2014-05-30
EP2374956A1 (en) 2011-10-12
EP2374956B1 (en) 2014-01-15

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