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
  • E04B9/04—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like
  • E04B9/0428—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like having a closed frame around the periphery
• • 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
  • E04B9/04—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like
  • E04B2009/0492—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like with fabrics tensioned on frames

Definitions

• the present invention relates to a method of manufacturing a wall element and in particular a ceiling element, consisting of a support frame ensuring the maintenance of a stretched fabric. It also relates to the wall elements obtained by this process and more particularly. of. wall elements of translucent or transparent type.
• FR-A-2 751 682 has also proposed a wall element of this type in which the frame consists of four tubular elements inside which is arranged a pre-stressed holding element intended to improve the resistance to the bending of each of these four elements. If such a device makes it possible, to a certain extent, to prevent the deformation of the sides of the frame, this improvement is obtained in return for a greater complexity of the structure, a higher weight and consequently, an increase. of its manufacturing cost. Furthermore, if such a technique is satisfactory for producing wall slabs, it is much more difficult to implement on elements of large dimensions such as the wall elements.
• the object of the present invention is to remedy these drawbacks by proposing a manufacturing method making it possible to produce ceiling elements consisting of a frame supporting a stretched fabric avoiding the type of aforementioned deformations and not requiring specific reinforcing means. likely to harm its aesthetics ... or increase its manufacturing cost.
• the present invention thus relates to a method of manufacturing a wall element, in particular a ceiling element, consisting of a polygonal frame on which a canvas is stretched, in which prior to the fixing of the canvas, it is subjected to each of the sides of the frame a bending oriented towards the outside of the latter, so as to give it an arrow connects that, when the canvas is fixed to the frame, the tension exerted by the latter deforms in the opposite direction This side and brings it back to the initial position existing before its pre-shaping, characterized in that the bending is carried out at a distance from the ends of each of the sides.
• the predeformation of each of the sides of the frame will be. preferably re-used before assembling it.
• This mode of implementation is particularly advantageous in that it makes it possible to use methods making it possible to obtain a progressive, regular and controlled deformation of the sides, such as those usually obtained by means of a bender.
• assembly means will be used on the different sides of the frame made up of angled connecting elements including the branches. will be secured respectively to the two adjacent sides of the frame.
• the bending will be carried out at a distance from the ends of each of the sides at least equal to the length of the branch of the bracket joined to the side of the frame concerned.
• the frames may be of any cross section and preferably of square or rectangular shape. Interestingly, this cross section will preferably consist of a closed line giving this side a tubular structure.
• the present invention also relates to a wall element, in particular a ceiling element, of the type comprising a rigid polygonal frame on which a canvas is stretched, characterized in that each of the sides of the frame consists of a pre-deformed element before the tension of the fabric, so that removing this voltage brings the frame to 'its original position such that at least one of the frame sides is straight when the fabric is tense on this one.
• the present invention is advantageous for constituting ceilings but it can also be used to produce vertical walls using a transparent fabric or not.
• Various embodiments of the present invention will be described below, by way of non-limiting example, with reference to the appended drawing in which:
• Figure 1 is a plan view of a first embodiment of a wall element obtained by the method according to the invention.
• Figure 2 is a plan view of a second embodiment showing a frame of a wall element according to the invention, before the pre-shaping operation and ' before laying the canvas.
• FIG. 3 is a sectional view on one side of the canvas support frame along the line III-III of FIG. 1.
• FIG. 1 and 3 a schematic top view of a rectangular ceiling element which comprises a metal frame 1 on which is stretched a sheet 3 of polyvinyl chloride or PVC.
• Frame 1 is formed on four sides, namely two large opposite sides 5a and two short sides 5b which are linked together by means of securing means which consist of square elements 7 which are arranged in the corners and whose branches are respectively united on these two sides.
• each of the sides 5a and 5b is subjected to respective forces Fl and F2 which are directed in a direction such that the deformation of the sides which results therefrom produces respective arrows fl and f2 at the center of these sides which are oriented, after assembly of the frame, from the inside to the outside of the latter.
• a deformation of the sides 5a and 5b is carried out by means of a bender, which makes it possible to carry out a deformation allowing the sides to have a regular curve.
• the square elements 7 maintain their angle at the top of 90 ° and, in order not to disturb their assembly with the sides 5 ′ a and 5 ′ b, the bending of these sides will only be carried out over a length 1 shorter to the total length L on the side considered.
• the length 1J_ which is not curved will be at least equal to that of the corresponding branch of the bracket 7.
• wall elements 1 the shape of which is of the type shown in FIG. 4, the two large opposite ribs 5a of which have substantially the shape of a arc of ellipse and two opposite short sides 5b are straight.

Landscapes

• Engineering & Computer Science (AREA)
• Architecture (AREA)
• Physics & Mathematics (AREA)
• Electromagnetism (AREA)
• Civil Engineering (AREA)
• Structural Engineering (AREA)
• Finishing Walls (AREA)
• Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
• Glass Compositions (AREA)
• Domestic Plumbing Installations (AREA)
• Forging (AREA)

Applications Claiming Priority (3)

Publications (2)

Family

ID=8854635

Family Applications (1)

Country Status (6)

Families Citing this family (6)

Family Cites Families (2)

• 2000
  • 2000-09-25 FR FR0012163A patent/FR2814482B1/fr not_active Expired - Lifetime
• 2001
  • 2001-09-25 WO PCT/FR2001/002967 patent/WO2002025028A1/fr active IP Right Grant
  • 2001-09-25 AU AU2001291988A patent/AU2001291988A1/en not_active Abandoned
  • 2001-09-25 EP EP01972201A patent/EP1320649B1/de not_active Expired - Lifetime
  • 2001-09-25 DE DE60125558T patent/DE60125558T2/de not_active Expired - Lifetime
  • 2001-09-25 AT AT01972201T patent/ATE349584T1/de not_active IP Right Cessation

Non-Patent Citations (1)

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