EP2447434B1 - Metallische Deckenunterkonstruktion - Google Patents

Metallische Deckenunterkonstruktion Download PDF

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Publication number
EP2447434B1
EP2447434B1 EP10013273.7A EP10013273A EP2447434B1 EP 2447434 B1 EP2447434 B1 EP 2447434B1 EP 10013273 A EP10013273 A EP 10013273A EP 2447434 B1 EP2447434 B1 EP 2447434B1
Authority
EP
European Patent Office
Prior art keywords
beams
metallic
substructure according
ceiling substructure
connectors
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
EP10013273.7A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2447434A1 (de
Inventor
Karl Wenig
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.)
Knauf Ceiling Solutions GmbH and Co KG
Original Assignee
Knauf AMF GmbH and Co KG
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 Knauf AMF GmbH and Co KG filed Critical Knauf AMF GmbH and Co KG
Priority to ES10013273.7T priority Critical patent/ES2464464T3/es
Priority to EP10013273.7A priority patent/EP2447434B1/de
Priority to PL10013273T priority patent/PL2447434T3/pl
Priority to UAA201303323A priority patent/UA110944C2/uk
Priority to KR1020137011448A priority patent/KR102017501B1/ko
Priority to PL11764689T priority patent/PL2625346T3/pl
Priority to AU2011313553A priority patent/AU2011313553B2/en
Priority to PCT/EP2011/004943 priority patent/WO2012045438A2/de
Priority to EP11764689.3A priority patent/EP2625346B1/de
Priority to CN201180048805.8A priority patent/CN103154399B/zh
Priority to ES11764689.3T priority patent/ES2688456T3/es
Priority to JP2013530628A priority patent/JP5934223B2/ja
Priority to BR112013007902-9A priority patent/BR112013007902B1/pt
Publication of EP2447434A1 publication Critical patent/EP2447434A1/de
Priority to ZA2013/01695A priority patent/ZA201301695B/en
Application granted granted Critical
Publication of EP2447434B1 publication Critical patent/EP2447434B1/de
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
    • 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 invention relates to a metallic ceiling substructure for ceiling elements, which consists of intersecting, spaced from the ceiling metal beams.
  • the metal supports form a grid and are in the form of main and transverse beams.
  • the connection of the metal support to each other is realized by specially designed connectors, which engage in openings which are arranged in the web region of the metal support, and engage the individual metal support with each other.
  • the prior art prior art substructure is also a grid formed by locking of main and cross members.
  • the main and transverse beams described therein are designed in the form of a T-profile.
  • the latching takes place here already by connectors, which are arranged on the front sides of the metal carrier and by an opening which is arranged in the web region of the metal carrier, engage.
  • the opening in the T-beams is formed in a special rectangular shape.
  • a further object of the present invention is also to propose a connector which is as simple as possible in construction, which nevertheless ensures reliable latching of the individual metal carriers to one another.
  • a metallic ceiling substructure for ceiling elements, which consists of intersecting, spaced from the ceiling metal beams, which form a grid.
  • the metal beams are formed as a main and transverse beams and consist of an inverse T-profile, the flange is aligned in the direction of the interior of the room.
  • the crossing points of the grid are formed by connectors which are arranged at the front ends of the cross members and which are latched to one another via openings in the web region of the metal carriers.
  • the metal supports have an opening with a rectangular basic shape, with projections in the direction of the interior of the opening being formed centrally on the short sides of the rectangle and on the longitudinal sides of the rectangle at the same height are.
  • These specially designed openings then act together with the connectors as they are proposed according to the invention, namely with connectors which have respective bends on their longitudinal sides.
  • the projections i. the protrusions on both the short side of the rectangle and those disposed on the longitudinal sides are machined out of the material of the metallic supports themselves.
  • the protrusions can be formed simultaneously with the manufacture of the metallic supports.
  • the projections are formed on the longitudinal side in the upper region remote from the flange side, the projections being arranged on the longitudinal sides in the upper third, preferably in the upper quarter, particularly preferably in the upper fifth are.
  • the projections and the opening itself are then dimensioned so that they are suitable for guiding the connectors passing through the opening.
  • the size ratios of the rectangle are thus matched directly to the connector.
  • embodiments with three projections on the long sides are excluded.
  • the connectors themselves are, as known per se, attached to the front ends of the cross member via at least one connecting device, preferably a compression and / or rivets.
  • the connectors which are attached to the front ends of the cross member, then protrude beyond the front end of the cross member, of course.
  • the connectors are matched in their dimensioning and design so that they work together in combination with the openings in the web area of the metal support. It is essential that each connector has a fold on both sides of the long sides, which cooperates with the projections.
  • the specific form of the connector is not limited in the sense of the invention.
  • the connectors if they have the above-described folds in omega form, can be designed both as hook connectors and as click connectors.
  • the click connectors which can be used according to the invention, are constructed so that the connector itself has two openings, both in the front end of the web area superior part are formed.
  • the two openings can either be flat, or, which is preferred, be formed so that the first opening, namely the one which faces the front end of the web, has approximately rectangular shape and is arched outwardly.
  • the second opening is designed so that in each case the bulged opening of the other connector of the cross member can engage in the second opening.
  • the hook connector as described above is further characterized in that it has an arcuate recess and an additional nose in the folded portion, on the side facing away from the flange side.
  • This specific design of the arcuate recess with the nose ensures that then in the locked state easy release of the locking connection is possible. Namely, when one of the rails, preferably the main carrier is pushed aside, the nose releases from its support point and the cross member can then be pulled out through its opening.
  • the inventively proposed hook connector which has a hook at its free end, thus characterized by the fact that he also has omega shape and that he next to the nose has an arcuate recess in the folded portion.
  • the invention also encompasses other embodiments, namely by means of an opening in the connector or else two, which can each also be planar. Also, the invention includes embodiments that are formed without opening in the connector.
  • the hook connectors described above can be used for latching cross members to the main carrier or the cross members with each other, but the locking can also be done by means of so-called.
  • Click connectors Such click connectors are known in the art in principle.
  • a click connector which in turn also has the omega shape already described above for the hook connector.
  • the click connector according to the invention is therefore also characterized in that it has the above-described folds, so that an omega shape of the click connector is formed and in which case a spring is arranged in the area between the two folds.
  • the design of the spring is in and of itself known in the art.
  • the click connector also has an omega shape due to the folds.
  • latching takes place by means of the above-described connectors between two transverse beams and the main beam.
  • the transverse beams may in turn be latched to one another.
  • the cross member in the web area on the opening described above then also have the cross member in the web area on the opening described above.
  • a latching then takes place with two other cross members with the connectors described above.
  • the main carrier 3 to 4 m long preferably 3.6 m and 3.75 m
  • the cross member has a length of 0.5 m to 2.0 m, preferably 0.6 m to 0.625 m and 1.2 m and 1.25 m, respectively.
  • the metallic ceiling substructure according to the invention is further distinguished by the fact that the connection of the cross members to the main carrier or the connection of two cross members with another cross member through the arranged in the web portion opening can be formed so that metal carriers are connected to each other via impact at the intersection points , In this case, thus abuts the front end of the flange of the cross member to the longitudinal edge of the flange. This achieves a flush transition towards the room side.
  • the ceiling substructure according to the invention can also be designed so that the front ends of the cross member have a crank, so that this offset then engage over the flange of the main carrier or the cross member, so that then a secure grip is ensured.
  • Another particularly preferred embodiment now proposes that for safe connection of the cross member with the main carrier or the cross member with each other at the front ends of the cross member ahoppedcetateer from the material of the cross member projection is present. This projection then engages in the locked state on the flange of the main carrier or the cross member and provides additional stabilization.
  • this solution consists in the fact that this projection can be worked out in the manufacture of the cross member with the material of the cross member in one operation.
  • the projection, which protrudes from the web of the cross member is thus an integral part of the cross member itself.
  • the length and dimensioning of the projection of the cross member is adjusted so that a secure overlap of the projection on the top of the flange of the main carrier or another cross member achieved becomes. It has been found that especially this variant is preferred because it is inexpensive to manufacture on the one hand and also allows a secure and stable locking.
  • this solution has the advantage that there is no jamming when releasing the locking connection, so that the locking connection in a simple manner dissolves again.
  • the T-beam is preferably formed from a double sheet.
  • the production of such a T-beam thus takes place from a flat sheet, which is formed by certain forming operations so that a T with a web length preferably in the range of 20 to 80 mm and a flange width of 10 to 70 mm is formed.
  • the web-side end of the T-beam has a hollow profile, preferably in a rectangular shape.
  • the double sheet is connected to the flange-side end of the T-beam via an additional metallic end plate.
  • This metallic end plate which then visually comes into effect on the room side, can be designed according to the desired design. In addition to the optical effects, this metallic end plate also has the advantage that it provides additional stabilization of the flange end of the T-profile.
  • the T-beam used according to the invention for the main beams and the cross beams can be further formed in the web area by providing at least one line-shaped reinforcing profile over the entire length of the web area.
  • This reinforcing profile may for example be embossed in the form of a rectangle in the metal.
  • the invention also encompasses embodiments in which more than one reinforcing profile, for example two or three reinforcing profiles, are incorporated in the web area in parallel form.
  • reinforcing ribs may additionally be incorporated in the web region of the main carrier and cross member in the region of the flange-side end. These reinforcing ribs can be incorporated selectively or in the form of short lines in the web area in the region of the flange-side end. These reinforcing ribs are usually also formed in a line shape and parallel to the flange.
  • the reinforcing ribs are introduced by a two-stage process in the web. In the first process step, a tab is cut free from the material. In the second process step is then carried out by a stamp pressing, so that a flow of the material of the tab takes place.
  • such a configuration of the reinforcing ribs according to the present invention is preferred, since a high improvement of the torsional stiffness can be achieved, in particular, with such a configuration of the reinforcing ribs.
  • the invention also includes embodiments in which e.g. two reinforcing ribs are arranged in line parallel to the flange and in addition then also the reinforcing profiles in line form as described above are present.
  • the material of the metallic carrier is a steel sheet of cold rolled strip.
  • the steel grades include integrated C-steels with carbon mass fractions up to 1%, a preferred steel sheet is DX 51 Z 100.
  • the material for the connectors is a stainless steel, e.g. Chromium-nickel alloyed steels, such as e.g. X10CrNi18-8 (AISI 301).
  • FIG. 1 shows in plan view the formation of the opening 1, as provided according to the invention in the metal supports, ie both in the main carrier and in the cross member.
  • the opening 1 is formed in a rectangular shape and has two projections 2, 3 on the two short sides and two projections 4 and 5 on the longitudinal sides.
  • the projections are worked out of the material of the metallic support itself and thus an integral part of the metal support. This allows a simple and cost-effective production, since the projections 2, 3, 4, 5 made of the same material as the metal support itself and thus can be produced in one operation.
  • Essential in the solution according to the invention is the specific design of the opening 1 in the metal carriers.
  • the positioning of the longitudinal projections 4 and 5 becomes chosen so that they are arranged in the upper third, preferably in the upper quarter of the opening 1 and that they are shaped so that the connector is supported with its specific shape by the projections.
  • the metal support according to the invention consists of a double sheet, which is formed by forming accordingly. At its flange 31 opposite end of the web 32 is formed in the form of a rectangular hollow section 9.
  • the in the embodiment according to FIG. 2 Example shown additionally has in the web 32 a reinforcing profile 7.
  • This reinforcing profile 7 is also formed during the molding of the double sheet with and provides an additional stiffening of the T-beam in the web 32.
  • This reinforcing profile 7 is preferably formed over the entire length of the web 32.
  • the invention also includes embodiments in which two or three parallel line-shaped reinforcing profiles 7 are introduced in the web 32.
  • the metal carrier according to the invention may additionally have reinforcing ribs 8.
  • These reinforcing ribs 8 can either also be machined out of the material of the double sheet metal carrier or they can be applied separately in one operation.
  • These reinforcing ribs which are likewise likewise arranged linearly in the vicinity of the flange 32 close to the flange, again increase the rigidity, in order then to produce sufficient stability for the ceiling substructure when the corresponding ceiling elements are suspended.
  • the invention includes, of course, embodiments in which only reinforcing ribs are arranged in line form or that only reinforcing profiles are provided in line form.
  • the metal support shown there additionally has a metallic end plate 10 which is folded over the ends of the flange 31 of the metal support.
  • a desired optical effect can be produced on the room side.
  • the end plate also ensures a flush conclusion room side.
  • FIG. 3 shows a detail of the formation of a hook connector 11 according to the invention and its attachment to a cross member 12.
  • the connector 11, as shown FIG. 3 can be seen, is attached via two pressings 13, 14 at the front end of the cross member 12.
  • the connector 11 is characterized in that it has a hook 15 at its free end. As below in the FIG. 4 explained in more detail, this hook 15 is used for locking with the main beam or cross member.
  • the embodiment of the connector as he FIG. 3 is shown, also has two openings 16 and 17. As is apparent from the figure, while the first opening 17, ie that which faces the front end of the web, formed in a rectangular shape and has outwardly bulging longitudinal sides.
  • the second opening 16 is now flat and designed so that when interlocking the connectors 11 at the crossing points, the bulge of the other connector 17 can engage in the opening 16.
  • the connector 11, as in FIG. 3 is shown is still characterized by the fact that it has two folds 18, 19, so that an omega shape is formed. These bends 18, 19 are formed in their shape, that they with the projections 4 and 5, as in FIG. 1 shown, work together.
  • Another essential element of the hook connector according to the invention is that this has an arcuate recess 41 with a nose 40 in the folded portion, on the side facing away from the flange side.
  • FIG. 3 illustrated embodiment is still characterized by the fact that the cross member 12 is provided with a projection 20.
  • This projection 20, which is an integral part of the cross member 12 is machined out of the same material as the cross member 12 and serves to stabilize the operative connection of the two to be connected cross member 12 with a main carrier or with another cross member.
  • the design and shape of the projection 20 is chosen so that it engages in the locked state via the flange 31 of the main carrier or the cross member and thus contributes to a stabilization (see, inter alia FIG. 4 ).
  • FIG. 3 also shows the introduced in the cross member 12 reinforcing ribs 8 in line form.
  • FIG. 4 now shows the inventive design of a click connector.
  • the click-connector according to the invention also has, what is considered essential to the invention, two folds 18, 19, so that in turn here an omega-shape is formed.
  • the click connector according to the invention then has, as is well known in the art, a resilient element 50.
  • the formation of this resilient element 50 is in and of itself known in comparable click connectors in the prior art.
  • FIG. 5 is now shown in two different sections a) and b), as the two cross members 12 are latched on the hook connectors 11 and the main carrier 21.
  • FIG. 5a On average in the FIG. 5a is partially shown in the left part of the cross member 12 with a hook connector 11, as described above in the FIG. 3 has been described in detail.
  • An identical cross member 12 with an identical connector 11 is in the right part of FIG. 5a shown.
  • the main carrier 21, which can only be seen here in section, is analogous to that in FIG. 2 constructed and consists of a web 32 with a rectangular reinforcement 9 and a flange 31.
  • the opening is designated 1.
  • the hook 15 engages through the opening 1 therethrough.
  • the two connectors 11 are then locked together via the openings 16 and 17 with each other. Characterized in that the opening 17 has a bulge to the outside, this bulge of the opening 17 of the one connector 11 in the plane opening 16 of the other connector 11 engage so as to accomplish a secure locking.
  • FIG. 5b the latch is shown in plan view.
  • the main carrier 21 is, as in the above FIG. 5a described, with the two cross beams 12 and the identical connectors 11 locked.
  • the locking is achieved via the connectors 11 of the respective cross members 12, which are fastened by means of rivets 13, 14 at the front end of the cross member (crossing point).
  • FIG. 6 Now the locking of the two hook connectors 11 in the opening 1 is shown in a third section in an enlarged view.
  • FIG. 6 shows the interaction of the opening 1 with the specially designed connectors 11.
  • FIG. 6 is the omega shape (dashed) of the connectors 11 to see.
  • the projections 2, 3, 4 and 5 serve to guide the connector 11.
  • the connector 11 has folds 18, 19 which are formed so that they engage around the projections 2, 3, 4 and 5.
  • the connector 11 is provided with folds 18, 19 which extend through said longitudinal sides, formed, wherein these folds 18, 19 are formed so that they interact exactly with the projections 2, 3, 4 and 5 and so a secure fit Ensure locking connection.
  • FIG. 7 shows the main carrier 21 with the opening 1 and a bayonet closure 30.
  • FIG. 8 shows now in three different views already at FIG. 3 closer described hook connector 11.
  • the hook connector 11 is shown in plan view and fully corresponds to the hook connector as shown in FIG. 3 has already been described in detail.
  • FIG. 8b is now shown in section the hook connector 11.
  • the hook connector 11 has an omega shape with two folds 18 and 19.
  • FIG. 8 shows FIG. 8 then the hook connector 11 in the side view.
  • FIG. 9 shows in an analogous way in three views in Figures 9a, 9b and 9c the training of already at FIG. 4 described click connector.
  • the click connector 60 in cross-section an omega shape with folds 18 and 19.
  • the key advantage of the connectors according to the invention is that both the hook connector 11, as at FIG. 8 described as well as the click connector 60 in cross-section an omega-shaped, which is designed similar, so that this omega shape with the projections in the opening 1 cooperates.
  • the depth of the fold is matched exactly to the projections.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
EP10013273.7A 2010-10-04 2010-10-04 Metallische Deckenunterkonstruktion Active EP2447434B1 (de)

Priority Applications (14)

Application Number Priority Date Filing Date Title
ES10013273.7T ES2464464T3 (es) 2010-10-04 2010-10-04 Infraestructura metálica de techo
EP10013273.7A EP2447434B1 (de) 2010-10-04 2010-10-04 Metallische Deckenunterkonstruktion
PL10013273T PL2447434T3 (pl) 2010-10-04 2010-10-04 Metalowa konstrukcja podstropowa
UAA201303323A UA110944C2 (uk) 2010-10-04 2011-04-10 Металева стельова несуча основа
JP2013530628A JP5934223B2 (ja) 2010-10-04 2011-10-04 金属天井基礎構造
AU2011313553A AU2011313553B2 (en) 2010-10-04 2011-10-04 Metal ceiling substructure
PCT/EP2011/004943 WO2012045438A2 (de) 2010-10-04 2011-10-04 Metallische deckenunterkonstruktion
EP11764689.3A EP2625346B1 (de) 2010-10-04 2011-10-04 Metallische deckenunterkonstruktion
KR1020137011448A KR102017501B1 (ko) 2010-10-04 2011-10-04 금속 천장 서브구조체
ES11764689.3T ES2688456T3 (es) 2010-10-04 2011-10-04 Subestructura metálica de techo
PL11764689T PL2625346T3 (pl) 2010-10-04 2011-10-04 Metalowa podkonstrukcja sufitowa
BR112013007902-9A BR112013007902B1 (pt) 2010-10-04 2011-10-04 sub-estrutura metálica de teto
CN201180048805.8A CN103154399B (zh) 2010-10-04 2011-10-04 金属的顶棚基础结构
ZA2013/01695A ZA201301695B (en) 2010-10-04 2013-03-06 Metal ceiling substructure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10013273.7A EP2447434B1 (de) 2010-10-04 2010-10-04 Metallische Deckenunterkonstruktion

Publications (2)

Publication Number Publication Date
EP2447434A1 EP2447434A1 (de) 2012-05-02
EP2447434B1 true EP2447434B1 (de) 2014-02-26

Family

ID=43502847

Family Applications (2)

Application Number Title Priority Date Filing Date
EP10013273.7A Active EP2447434B1 (de) 2010-10-04 2010-10-04 Metallische Deckenunterkonstruktion
EP11764689.3A Active EP2625346B1 (de) 2010-10-04 2011-10-04 Metallische deckenunterkonstruktion

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP11764689.3A Active EP2625346B1 (de) 2010-10-04 2011-10-04 Metallische deckenunterkonstruktion

Country Status (11)

Country Link
EP (2) EP2447434B1 (es)
JP (1) JP5934223B2 (es)
KR (1) KR102017501B1 (es)
CN (1) CN103154399B (es)
AU (1) AU2011313553B2 (es)
BR (1) BR112013007902B1 (es)
ES (2) ES2464464T3 (es)
PL (2) PL2447434T3 (es)
UA (1) UA110944C2 (es)
WO (1) WO2012045438A2 (es)
ZA (1) ZA201301695B (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2596373T3 (es) * 2011-11-11 2017-01-09 Giuseppe Cipriani Estructura metálica de soporte para falso techo
ITVR20130040A1 (it) 2013-02-14 2014-08-15 Giuseppe Cipriani Struttura metallica di supporto di un controsoffitto.
ITVR20130058A1 (it) 2013-03-08 2014-09-09 Giuseppe Cipriani Profilato di una struttura di supporto di un controsoffitto e procedimento di lavorazione per lavorare il profilato.
ITVR20130230A1 (it) * 2013-10-17 2015-04-18 Giuseppe Cipriani Accessorio di collegamento di un profilato di una struttura di supporto di un controsoffitto

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2374954A2 (en) * 2010-04-06 2011-10-12 Dallan S.P.A. Section for structures and relative structure

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Publication number Priority date Publication date Assignee Title
US3096862A (en) * 1960-09-07 1963-07-09 W J Haertel & Co Ceiling suspension system with double locking clip
US3290075A (en) * 1964-01-20 1966-12-06 Chicago Metallic Sash Co Interlocking runner connection
US3501185A (en) * 1966-07-11 1970-03-17 Donn Prod Inc Cross beam connector
US4779394B1 (en) 1987-04-14 1994-09-27 Donn Inc Connector for suspension ceiling grid
US5517796A (en) * 1994-05-25 1996-05-21 Usg Interiors, Inc. Stab-in removable end connector
US6199343B1 (en) 1999-04-19 2001-03-13 Worthington Armstrong Venture Connector assembly for ceiling grid
JP2001241137A (ja) * 2000-02-24 2001-09-04 Ibiden Co Ltd 建物の天井構造
US6729100B2 (en) * 2002-04-30 2004-05-04 Usg Interiors, Inc. Main tee splice
US6751922B1 (en) * 2003-02-25 2004-06-22 Worthington Armstrong Venture Faceted radius grid
JP4096789B2 (ja) * 2003-04-14 2008-06-04 松下電工株式会社 天井枠
GB2456328A (en) 2008-01-11 2009-07-15 Usg Interiors Inc Grid members for a suspended ceiling and methods of making same

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2374954A2 (en) * 2010-04-06 2011-10-12 Dallan S.P.A. Section for structures and relative structure

Also Published As

Publication number Publication date
CN103154399A (zh) 2013-06-12
WO2012045438A2 (de) 2012-04-12
AU2011313553A1 (en) 2013-04-11
BR112013007902B1 (pt) 2020-12-01
JP2013542348A (ja) 2013-11-21
PL2447434T3 (pl) 2014-09-30
ES2688456T3 (es) 2018-11-02
WO2012045438A3 (de) 2012-06-21
UA110944C2 (uk) 2016-03-10
ZA201301695B (en) 2013-11-27
BR112013007902A2 (pt) 2017-06-06
EP2625346A2 (de) 2013-08-14
CN103154399B (zh) 2016-08-31
EP2447434A1 (de) 2012-05-02
KR102017501B1 (ko) 2019-09-03
PL2625346T3 (pl) 2018-11-30
EP2625346B1 (de) 2018-06-27
JP5934223B2 (ja) 2016-06-15
ES2464464T3 (es) 2014-06-02
KR20130098387A (ko) 2013-09-04
AU2011313553B2 (en) 2015-11-26

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