EP0645505B1 - Suspension frame for a false ceiling - Google Patents
Suspension frame for a false ceiling Download PDFInfo
- Publication number
- EP0645505B1 EP0645505B1 EP19940870154 EP94870154A EP0645505B1 EP 0645505 B1 EP0645505 B1 EP 0645505B1 EP 19940870154 EP19940870154 EP 19940870154 EP 94870154 A EP94870154 A EP 94870154A EP 0645505 B1 EP0645505 B1 EP 0645505B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cross
- profiles
- profile
- main
- suspension frame
- 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.)
- Expired - Lifetime
Links
Images
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 invention relates to a suspension frame for a false ceiling comprising main profiles that in cross-section have substantially the form of an inverted T, or a twofold T, in other words, a profile with a body and, in working position, at least at the bottom side two laterally veering flanges and cross-profiles with an analogous cross-section cooperating therewith.
- False ceilings that use main profiles that intersect cross-profiles at an angle of 90° are known.
- the voids between said profiles are finished off with square, often rectangular panels.
- the originated pattern is thus always orthogonal.
- the realisation of ceilings differing from one of said orthogonal patterns is then, for technical and economical reasons, not or very difficultly feasible.
- the object of the invention is now to realise a suspension frame for such ceilings that enables to install cross-profiles at any angle in regard to the main profiles, so as to be able to use rectangular, gridded or trapezoidal shaped panels or combination thereof in the finishing of the ceiling too.
- the body of said cross-profile is extended at each extremity further than the flanges pertaining thereto and bent over an angle, while the main profile, in the area where one or more cross-profiles intersect the main profile at said angle, comprises grooves to lodge the extremities of cross-profiles.
- angles at which the extremities of the body of the cross-profile are bent comprise 45°, respectively 135°.
- a particularity of the invention is that the flanges pertaining to a cross-profile, which are placed underneath in working position, are smaller that the flanges pertaining to a main profile, in such a manner that the intersection between two cross-profiles that reach out towards each other at an angle of 45°, resp. 135° joins precisely the lateral edge of the flange of a main profile.
- Figure 1 is a lateral view of the portion of the main profile in the area where the grooves appear, intended to lodge the extremities of the converging cross-profiles.
- Figure 2 is partly a top view and partly a cross-sectioning through a main profile and several converging cross-profiles.
- Figure 3 shows a perspective view of the extremities of several converging cross-profiles and a portion of a main profile.
- Figure 4 to 9 illustrate schematically several possible patterns to be realised by means of main- and cross-profiles according to the invention.
- the suspension frame shown by these figures comprises the combination of main profiles 1, which comprise as usual a body 2 and two laterally extending wings 3.
- the main profiles, as incidently the cross-profiles that will be described too, therefor show the form of an inverted T. It is clear that a so-called twofold T could also be used.
- a series of grooves 4 are provided in order to lodge the extremities of cross-profiles (minimum one, maximum six).
- the cross-profiles can be profiles 5, which are mounted orthogonally with respect to the main profile 1, or left and right cross-profiles that are to be mounted for example at an angle of 45° with respect to a main profile 1.
- Such left and right cross-profiles are indexed 6 and 7 in the figures 2 and 3.
- the body of all these cross-profiles are prolonged by an extremity which extends into the core-axis of the body 2 of a profile 5.
- the extremity of a cross-profile 5 is indexed 5'.
- the extremities of the left and right cross-profiles 6 and 7 are indexed 6' and 7'.
- extremities 6' and 7' of the body 2 of a right and left cross-profile 6, resp. 7, are bent at an angle of 45° with respect to the body of such right and left profiles, but this angle could also comprise 135°.
- All extremities of the different cross-profiles i.e. the extremities 5', 6' and 7', display a slot 8 above, and a notch 9 at the bottom.
- cross-profiles 5, 6, and 7 are cut out according to the desired angle.
- a cross-profile 5 that converges with two cross-profiles 6 and 7, can in turn also be cut out or not to concentrate into a point.
- Standard panels are square of rectangular. These standard panels can now easily be made to fill the openings in the diagonal system. When cut diagonally, the leftover material can directly be reusable in another place in a pattern, owing to its shape and dimensions, leftover material is thus in no way lost.
- the relation between the width of a cross-profile and that of a main profile 1 can be determined as follows.
- B 1/2A ⁇ 2.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Joining Of Building Structures In Genera (AREA)
- Rod-Shaped Construction Members (AREA)
Description
The invention relates to a suspension frame
for a false ceiling comprising main profiles that in
cross-section have substantially the form of an inverted
T, or a twofold T, in other words, a profile with a body
and, in working position, at least at the bottom side
two laterally veering flanges and cross-profiles with
an analogous cross-section cooperating therewith.
False ceilings that use main profiles that
intersect cross-profiles at an angle of 90° are known.
The voids between said profiles are finished off with
square, often rectangular panels. The originated pattern
is thus always orthogonal. The realisation of ceilings
differing from one of said orthogonal patterns is then,
for technical and economical reasons, not or very
difficultly feasible.
A structure for a false ceiling that
exclusively allows the realisation of an orthogonal
structure is known from the U.S. patent 3,292,332. On
the other hand, a profile enabling to realise checkered
grids is known from the document AT 316081, but the
pattern can never deviate from the originally
established shape.
The object of the invention is now to realise
a suspension frame for such ceilings that enables to
install cross-profiles at any angle in regard to the
main profiles, so as to be able to use rectangular,
gridded or trapezoidal shaped panels or combination
thereof in the finishing of the ceiling too.
To render this possible according to the invention,
the body of said cross-profile is extended at each
extremity further than the flanges pertaining thereto
and bent over an angle, while the main profile, in the
area where one or more cross-profiles intersect the main
profile at said angle, comprises grooves to lodge the
extremities of cross-profiles.
In the most preferred embodiment, the angles
at which the extremities of the body of the cross-profile
are bent comprise 45°, respectively 135°.
A particularity of the invention is that the
flanges pertaining to a cross-profile, which are placed
underneath in working position, are smaller that the
flanges pertaining to a main profile, in such a manner
that the intersection between two cross-profiles that
reach out towards each other at an angle of 45°, resp.
135° joins precisely the lateral edge of the flange of
a main profile.
Characteristic of the invention is that the
relation between the width A of a main profile and the
width B of all cross-profiles comply to the equation
B=1/2A√2.
Other details and advantages of the invention
will appear from the following description of a
suspension frame for a false ceiling according to the
invention. This description is exclusively given by way
of example and does not limit the invention. The
reference numbers relate to the annexed figures.
Figure 1 is a lateral view of the portion of
the main profile in the area where the grooves appear,
intended to lodge the extremities of the converging
cross-profiles.
Figure 2 is partly a top view and partly a
cross-sectioning through a main profile and several
converging cross-profiles.
Figure 3 shows a perspective view of the
extremities of several converging cross-profiles and a
portion of a main profile.
Figure 4 to 9 illustrate schematically several
possible patterns to be realised by means of main- and
cross-profiles according to the invention.
The suspension frame shown by these figures
comprises the combination of main profiles 1, which
comprise as usual a body 2 and two laterally extending
wings 3. The main profiles, as incidently the cross-profiles
that will be described too, therefor show the
form of an inverted T. It is clear that a so-called
twofold T could also be used.
In the body 2 of the main profiles 1, where
one or more cross-profiles are to be fastened to the
main profile, a series of grooves 4 are provided in
order to lodge the extremities of cross-profiles
(minimum one, maximum six).
The cross-profiles can be profiles 5, which
are mounted orthogonally with respect to the main
profile 1, or left and right cross-profiles that are to
be mounted for example at an angle of 45° with respect
to a main profile 1. Such left and right cross-profiles
are indexed 6 and 7 in the figures 2 and 3.
The body of all these cross-profiles are
prolonged by an extremity which extends into the core-axis
of the body 2 of a profile 5. The extremity of a
cross-profile 5 is indexed 5'. The extremities of the
left and right cross-profiles 6 and 7 are indexed 6' and
7'.
The extremities 6' and 7' of the body 2 of a
right and left cross-profile 6, resp. 7, are bent at an
angle of 45° with respect to the body of such right and
left profiles, but this angle could also comprise 135°.
All extremities of the different cross-profiles
, i.e. the extremities 5', 6' and 7', display
a slot 8 above, and a notch 9 at the bottom.
From the figures 1 and 2 it can be derived
that the extremities 5', 6', 7' of the different cross-profiles,
in the grooves or notches 4 of a main profile
1 alternatively left and right, fit next to each other
in the grooves 4. In figure 2 one can see how the
extremities of the different cross-profiles fit next to
each other in the grooves 4 of a main profile 1, and how
they can no longer dislodge from these grooves, owing
to the presence of the brackets 8 and the notches 9.
In order to present a smooth junction of the
different cross-profiles 5, 6, and 7 with the edge of
the wings 3 of a main profile 1, these cross-profiles
are cut out according to the desired angle. A cross-profile
5 that converges with two cross-profiles 6 and
7, can in turn also be cut out or not to concentrate
into a point.
It will be noticed that the core-axis of all
cross-profiles converging to a main profile join in one
point on that main profile. Consequently, two or pairs
of cross-profiles can always be found on both sides of
a main profile, the core-axis of which are in each
other's prolongation. This provides an installation as
well as an economical advantage with respect to the
panels that fill the openings between the different
profiles.
Standard panels are square of rectangular.
These standard panels can now easily be made to fill the
openings in the diagonal system. When cut diagonally,
the leftover material can directly be reusable in
another place in a pattern, owing to its shape and
dimensions, leftover material is thus in no way lost.
The relation between the width of a cross-profile
and that of a main profile 1 can be determined
as follows. The mathematical ratio between both widths,
essential to the suspension system according to the
invention, resides in the relation between the width A
of the main profile 1 and the width B of all cross-profiles,
i.e.: B = 1/2A√2. This results for example,
for a width of the wings of a main profile equal to 21,
in a width of the wings of a cross-profile equal to the
half of 21 x 1,4142... This determines the width B of
all cross-profiles, equal to 14,8491 rounded off to 15.
It is evident that with the help of the
different profiles and the combinations between main-
and cross-profiles, a plurality of variants can be
assembled, and therefor, that a false ceiling can adapt
certain patterns that deviate greatly from the upto now
rather monotonous orthogonal patterns.
Consequently, the invention is not limited to
the embodiments described hereinabove, and many variants
could be applied for as far as these modifications stay
within the limits of the claims annexed hereto.
Claims (5)
- Suspension frame for a false ceiling comprising main profiles (1) that in cross-section have substantially the form of an inverted T, or a twofold T, in cross-section, in other words, a profile with a body (2) and, in working position, at least at the bottom side two laterally veering flanges (3) and cross-profiles (5,6,7) with an analogous cross-section cooperating therewith, characterised in that the body (2) of said cross-profiles (5,6,7) is extended from each extremity further than the flanges (3) pertaining thereto and bent at an angle, while the main profiles (1), in the area where one or more cross-profiles (5,6,7) intersect the main profiles at said angle, comprises grooves (4) to lodge the extremities of cross-profiles (5,6,7).
- Suspension frame as claimed in claim 1, characterised in that the core-axis of all cross-profiles intersect each other in one point on the core-axis of the main profile where they converge.
- Suspension frame as claimed in claims 1 and 2, characterised in that the angles at which the extremities of the body (2) of the cross-profiles (5,6,7) are bent comprise 45°, resp. 135°.
- Suspension frame as claimed in any one of the claims 1, 2 and 3, characterised in that the flanges (3) belonging to a cross-profile (5,6,7) which are placed underneath in working position, are smaller than the flanges (3) belonging to a main profile, in such a manner that the intersection between two cross-profiles which reach out towards each other at an angle of 45°, join precisely the edge of the flange of the main profile.
- Suspension frame as claimed in claim 4, characterised in that the relation between the width A of a main profile and the width B of all cross-profiles comply to the equation B = 1/2A√2.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE9301011 | 1993-09-28 | ||
| BE9301011A BE1007537A3 (en) | 1993-09-28 | 1993-09-28 | Suspension fitting for false ceiling. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0645505A1 EP0645505A1 (en) | 1995-03-29 |
| EP0645505B1 true EP0645505B1 (en) | 1998-01-07 |
Family
ID=3887369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19940870154 Expired - Lifetime EP0645505B1 (en) | 1993-09-28 | 1994-09-28 | Suspension frame for a false ceiling |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0645505B1 (en) |
| BE (1) | BE1007537A3 (en) |
| DE (1) | DE69407707T2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019226752A1 (en) * | 2018-05-24 | 2019-11-28 | Armstrong World Industries, Inc. | Ceiling system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11525261B2 (en) | 2018-03-21 | 2022-12-13 | Worthington Armstrong Venture | Suspended ceiling connectors for unique grid designs |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3292332A (en) * | 1960-12-21 | 1966-12-20 | Chicago Metallic Sash Co | Suspended ceiling structure |
| AT316081B (en) * | 1972-04-13 | 1974-06-25 | Fural Dr Kurt Seiler Ges M B H | False ceiling |
| CA1188471A (en) * | 1981-05-28 | 1985-06-11 | Richard Shirey | Screw slot runner system |
| US4724647A (en) * | 1987-01-30 | 1988-02-16 | Baird Carey F | Diagonal ceiling brace |
| US5241799A (en) * | 1991-12-10 | 1993-09-07 | Chicago Metallic Corporation | Open cell lay-in panel |
-
1993
- 1993-09-28 BE BE9301011A patent/BE1007537A3/en not_active IP Right Cessation
-
1994
- 1994-09-28 EP EP19940870154 patent/EP0645505B1/en not_active Expired - Lifetime
- 1994-09-28 DE DE1994607707 patent/DE69407707T2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019226752A1 (en) * | 2018-05-24 | 2019-11-28 | Armstrong World Industries, Inc. | Ceiling system |
| US11280089B2 (en) | 2018-05-24 | 2022-03-22 | Awi Licensing Llc | Ceiling system |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0645505A1 (en) | 1995-03-29 |
| DE69407707T2 (en) | 1998-08-06 |
| DE69407707D1 (en) | 1998-02-12 |
| BE1007537A3 (en) | 1995-07-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8950146B2 (en) | Canopy system and group suspension system therefore | |
| DE3310931A1 (en) | Support rail and support grille for suspended ceilings and a suspended ceiling | |
| EP0710745A2 (en) | Grating for fixing natural ground | |
| US20160168851A1 (en) | Ceiling system | |
| EP0645505B1 (en) | Suspension frame for a false ceiling | |
| US4361996A (en) | Ceiling renovation system | |
| AU2020255346B2 (en) | Panel for formwork for vertical castings | |
| US6176472B1 (en) | Element for connecting and covering a joint and handrail or the like comprising at least one such element | |
| EP2520196A1 (en) | Modular shelves structure | |
| US6155539A (en) | Furring strips for fence and fence | |
| US4885889A (en) | Grid accent and ceiling boards | |
| US4724647A (en) | Diagonal ceiling brace | |
| KR102038674B1 (en) | Ceiling finishing assembly | |
| EP0084779B1 (en) | Sheet piles, and bulk heads composed of such sheet piles | |
| US6170223B1 (en) | Panel assembly | |
| JP2839800B2 (en) | Lath net for slope | |
| JP4598221B2 (en) | Slope ceiling | |
| JPH04238636A (en) | Production of structural body having expanded metal part | |
| JP2510159Y2 (en) | Auxiliary floor member | |
| EP0596193A1 (en) | Connecting element for joining metal C-sections | |
| IL298400A (en) | Dry-construction connector, dry-construction arrangement, kit and method for constructing a dry-construction ceiling | |
| JPH0230490Y2 (en) | ||
| JP2669145B2 (en) | Floor structure | |
| JPS6040756Y2 (en) | handrail | |
| JP2676606B2 (en) | Construction method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): DE ES FR GB IT LU NL |
|
| 17P | Request for examination filed |
Effective date: 19950511 |
|
| GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
| GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
| 17Q | First examination report despatched |
Effective date: 19961114 |
|
| GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
| GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
| GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
| AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): DE ES FR GB IT LU NL |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: NL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 19980107 Ref country code: IT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED. Effective date: 19980107 Ref country code: ES Free format text: THE PATENT HAS BEEN ANNULLED BY A DECISION OF A NATIONAL AUTHORITY Effective date: 19980107 |
|
| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: CHICAGO METALLIC CONTINENTAL N.V. |
|
| REF | Corresponds to: |
Ref document number: 69407707 Country of ref document: DE Date of ref document: 19980212 |
|
| ET | Fr: translation filed | ||
| NLV1 | Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act | ||
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19980928 Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19980928 |
|
| PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
| 26N | No opposition filed | ||
| GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 19980928 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19990531 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19990701 |
|
| REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST |