EP0964112B1 - Panneau transparent pour batiment améliorant la luminosité naturelle à l'intérieur du batiment - Google Patents
Panneau transparent pour batiment améliorant la luminosité naturelle à l'intérieur du batiment Download PDFInfo
- Publication number
- EP0964112B1 EP0964112B1 EP99401403A EP99401403A EP0964112B1 EP 0964112 B1 EP0964112 B1 EP 0964112B1 EP 99401403 A EP99401403 A EP 99401403A EP 99401403 A EP99401403 A EP 99401403A EP 0964112 B1 EP0964112 B1 EP 0964112B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- grooves
- sheet
- panel
- glass
- building
- 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
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/54—Slab-like translucent elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S11/00—Non-electric lighting devices or systems using daylight
Definitions
- the invention relates to a transparent panel intended to be mounted, particular, in a bay window of building and allowing to reorient the incident natural light rays so as to homogenize the luminosity at inside the building.
- the invention will be described more particularly for a building window in which will be mounted the transparent panel so as to redirect the natural light rays incident to the ceiling of the premises of the said building, but the invention is not limited to this type of application, any type of opening made in a building and able to receive a transparent panel between also in the context of the invention.
- a technique known to improve the level of natural light at the interior of a room is to divert the natural light rays incident by through a glazing so that at least some of these are reflect towards the ceiling of the room which reflects them to the interior of the room.
- the means used to deflect the rays bright incidents through glazing consist either in the use of Prisms made of a transparent material that refract the incident light ray in the use of metal surfaces that reflect the light beam incident.
- windows with a prismatic surface offer, as a window, a vision through said glazing which is deformed and the surface of the glazing which presents the series of prisms, is difficult to clean.
- WO 94/25792 teaches an optical component comprising two elements planes on which are arranged elementary surfaces able to reflect and / or refract the incident light.
- the present invention aims to provide a panel to be mounted, in particular, in a window bay of a building enabling the deflection of light rays incident at an angle greater than 45 ° in order to reorient the rays to the ceiling of the room and thus improve the brightness level to inside the room, offering a vision through it that is not distorted, which can be cleaned easily and can be implemented quickly and easily without finishing step of the surface state of the cuts.
- the invention thus proposes a transparent panel according to claim 1.
- the furrows present on the surface of the glass sheet are created by the creation cracks whose depth is controlled.
- Their inner surface is optically smooth and thus allows total reflection of incident natural light rays.
- the grooves are substantially perpendicular to the plane of the glass sheet.
- the grooves are distributed uniformly over the surface of the glass sheet.
- the glass sheet is part of a laminated panel and the depth of the grooves is equal to the thickness of the sheet of glass.
- the furrows are made directly on the whole laminated and the depth of the laser cutting grooves is advantageously controlled by the presence of the interlayer of the laminated panel, the rest of the glass sheet being held in place thanks to the same interlayer.
- the ratio of the depth of the furrows on the distance between two furrows is between 0.5 and 2 and, preferably, between 1 and 2. In this way, the number of spokes is optimized bright natural incidents that are going to be redirected.
- the transparent panel is part of multiple insulation glazing.
- the surface of the panel presenting the grooves is in contact with the gas strip of the multiple insulating glazing and is thus protected from dust and moisture.
- such a variant makes it possible to to realize a multiple insulating glazing combining the insulating performances with the advantages of glazing improving the brightness of a room.
- the transparent panel allows, as explained above, to deviate light rays incident at an angle greater than 45 ° so as to redirect the rays to the ceiling of the room and thus improve the level of brightness natural inside the premises.
- Such a panel also makes it possible to obtain a vision through without deformations.
- Figure 1 shows a portion of a vertical section of a panel 1 according to the invention.
- the panel 1 consists of a glass sheet 2 on which a series of grooves 3 has been made by a laser cutting technique such as, for example, by the technique described in the European patent EP-B -0,633,867.
- the grooves 3 have, for example, a depth of 0.8 mm for a total thickness of the glass sheet 2 of 2 mm.
- the grooves 3 are arranged horizontally in relation to the general plane of the glass sheet 2 and are parallel to each other and spaced from each other by a step of 0.5 mm per example, a depth / step ratio of 1.6.
- the grooves 3 are perpendicular to the plane of the glass sheet 2 and are delimited by two internal faces 4 and 5.
- These internal faces 4 and 5 represent the walls of the crack generated by laser beam and are distant from each other, but sufficiently close to stay invisible to the eye.
- An incident light beam 6 comes into contact with the glass sheet 2 on its face 7, it is deflected by refraction at the face 7, then by refraction at the inner face 4 of groove 3 and again by refraction at level of the face 8 of the glass sheet 2.
- Figure 2 shows a portion of a vertical section of another type of panel 1 according to the invention.
- the panel 1 consists of two sheets of 10 and 11 together by means of a tab 12.
- This tab 12 is, for example, a polyvinyl butyral (PVB) sheet.
- the glass sheet 11 has a series of grooves 3 identical to that of the 1, with the difference that the glass sheet 11 is less thick than the sheet of glass 2, its thickness being identical to the depth of the grooves.
- the glass sheet 10 has a thickness greater than that of the glass sheet 11 and thus, serves as a support for the entire panel 1.
- the glass sheet 10 has a thickness of 4 mm and the glass sheet 11 a thickness of 0.8 mm.
- Figure 3 shows a vertical section of a building room on which the panel 1 according to the invention was mounted as a window.
- the radius 12 has a small angle of incidence, and crosses the panel 1 without significant deviation by simple refraction. So, the background of the room remains illuminated.
- the radius 13 presents, on the other hand, a wide angle of incidence and is deflected as it passes through the panel 1 towards the ceiling of the room, said ceiling then diffusely reflecting the radius 13 to the entire premises.
- the incident light rays arrives according to a wide angle, the brightness of the room remains homogeneous.
- FIG. 4 represents a part of a vertical section of a double insulating glazing in which the panel 1 according to the invention has been inserted.
- the double insulating glazing consists of transparent panel 1 according to the invention and a glass sheet 15, the panel 1 and the glass sheet 15 being separated from each other by an air knife 16 and united at their periphery through a profiled frame here not shown on the figure and known to those skilled in the art.
- the grooves 3 of the panel 1 are in contact with the air knife 16.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Civil Engineering (AREA)
- Securing Of Glass Panes Or The Like (AREA)
- Panels For Use In Building Construction (AREA)
- Finishing Walls (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
- Laminated Bodies (AREA)
- Joining Of Glass To Other Materials (AREA)
Description
- Figure 1 : une coupe verticale d'un panneau selon l'invention.
- Figure 2 : une coupe verticale d'un autre type de panneau selon l'invention.
- Figure 3 : une coupe verticale d'un local de bâtiment sur lequel le panneau selon l'invention a été monté en tant que fenêtre.
- Figure 4 : une coupe verticale d'un vitrage double dans lequel a été inséré le panneau selon l'invention.
Claims (9)
- Panneau transparent destiné à être monté, notamment, dans une baie de fenêtre d'un bâtiment et permettant de réorienter les rayons lumineux naturels incidents de manière à homogénéiser la luminosité à l'intérieur du bâtiment, comprenant au moins une feuille présentant, sur au moins une partie de son épaisseur, des sillons disposés horizontalement en position d'utilisation et parallèles entre-eux,
caractérisé en ce que
la feuille est en verre, lesdits sillons sont invisibles à l'oeil et ont été découpés au laser par la création de fissures. - Panneau selon la revendication précédente, caractérisé en ce que les sillons sont sensiblement perpendiculaires au plan de la feuille de verre.
- Panneau selon l'une des revendications précédentes, caractérisé en ce que les sillons sont répartis de manière uniforme sur la surface de la feuille de verre.
- Panneau selon l'une des revendications précédentes, caractérisé en ce qu'il est feuilleté et en ce que la profondeur des sillons est égale à l'épaisseur de la feuille de verre.
- Panneau selon l'une des revendications précédentes, caractérisé en ce qu'il est feuilleté, qu'il comprend deux feuilles de verre dont l'une comprend les sillons, et une intercalaire entre les deux feuilles de verre.
- Panneau selon l'une des revendications 4 ou 5, caractérisé en ce que l'intercalaire est une feuille de polyvinylbutyral et en ce qu'une feuille comprenant les sillons est moins épaisse qu'une autre feuille sans sillons.
- Panneau selon l'une des revendications précédentes, caractérisé en ce que le ratio de la profondeur des sillons sur la distance entre deux sillons est compris entre 0,5 et 2 et, de préférence, entre 1 et 2.
- Vitrage multiple isolant comprenant une lame d'air caractérisé en ce qu'il comprend un panneau de l'une des revendications précédentes.
- Vitrage selon la revendication précédente, caractérisé en ce que la surface du panneau présentant les sillons est en contact avec la lame d'air.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9807275 | 1998-06-10 | ||
FR9807275A FR2779755B1 (fr) | 1998-06-10 | 1998-06-10 | Panneau transparent pour batiment ameliorant la luminosite naturelle a l'interieur du batiment |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0964112A1 EP0964112A1 (fr) | 1999-12-15 |
EP0964112B1 true EP0964112B1 (fr) | 2004-01-21 |
Family
ID=9527212
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99401403A Expired - Lifetime EP0964112B1 (fr) | 1998-06-10 | 1999-06-10 | Panneau transparent pour batiment améliorant la luminosité naturelle à l'intérieur du batiment |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0964112B1 (fr) |
AT (1) | ATE258257T1 (fr) |
DE (1) | DE69914256T2 (fr) |
ES (1) | ES2213990T3 (fr) |
FR (1) | FR2779755B1 (fr) |
PT (1) | PT964112E (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112659055A (zh) * | 2020-12-15 | 2021-04-16 | 南京凡芽智能设备有限公司 | 一种建筑玻璃幕墙制作加工方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IL65514A (en) * | 1982-04-18 | 1986-10-31 | Yitzchak Bar Yonah | Selectively light transmitting panel for buildings |
NZ224424A (en) * | 1987-11-06 | 1990-12-21 | Ian Robert Edmonds | Light deflecting window panel: parallel cuts in transparent material by laser |
JP3217385B2 (ja) * | 1991-02-21 | 2001-10-09 | 株式会社小坂研究所 | ガラスパネルの割断方法 |
DE4134955A1 (de) * | 1991-10-23 | 1993-04-29 | Helmut Frank Ottomar P Mueller | Lichtleitvorrichtung |
RU2024441C1 (ru) * | 1992-04-02 | 1994-12-15 | Владимир Степанович Кондратенко | Способ резки неметаллических материалов |
DE4218215A1 (de) * | 1992-06-03 | 1993-12-09 | Ver Glaswerke Gmbh | Glasbaustein mit diffuser Lichtstreuung |
AU687052B2 (en) * | 1993-05-04 | 1998-02-19 | Peter James Milner | An optical component suitable for use in glazing |
-
1998
- 1998-06-10 FR FR9807275A patent/FR2779755B1/fr not_active Expired - Lifetime
-
1999
- 1999-06-10 AT AT99401403T patent/ATE258257T1/de active
- 1999-06-10 PT PT99401403T patent/PT964112E/pt unknown
- 1999-06-10 EP EP99401403A patent/EP0964112B1/fr not_active Expired - Lifetime
- 1999-06-10 ES ES99401403T patent/ES2213990T3/es not_active Expired - Lifetime
- 1999-06-10 DE DE1999614256 patent/DE69914256T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ATE258257T1 (de) | 2004-02-15 |
PT964112E (pt) | 2004-06-30 |
FR2779755B1 (fr) | 2000-07-21 |
DE69914256D1 (de) | 2004-02-26 |
DE69914256T2 (de) | 2004-11-18 |
ES2213990T3 (es) | 2004-09-01 |
FR2779755A1 (fr) | 1999-12-17 |
EP0964112A1 (fr) | 1999-12-15 |
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