EP0459135B1 - Plaque de plancher pour faux planchers surélevés dans des locaux aérés, notamment des locaux à atmosphère pure - Google Patents
Plaque de plancher pour faux planchers surélevés dans des locaux aérés, notamment des locaux à atmosphère pure Download PDFInfo
- Publication number
- EP0459135B1 EP0459135B1 EP91106292A EP91106292A EP0459135B1 EP 0459135 B1 EP0459135 B1 EP 0459135B1 EP 91106292 A EP91106292 A EP 91106292A EP 91106292 A EP91106292 A EP 91106292A EP 0459135 B1 EP0459135 B1 EP 0459135B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- perforations
- section
- slots
- hollow profile
- profiled bars
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
- F24F13/068—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser formed as perforated walls, ceilings or floors
-
- 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
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
- E04C2/42—Gratings; Grid-like panels
- E04C2/427—Expanded metal or other monolithic gratings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/024—Sectional false floors, e.g. computer floors
- E04F15/02405—Floor panels
- E04F15/02417—Floor panels made of box-like elements
Definitions
- the invention relates to a floor plate for raised floors in ventilated rooms, in particular clean rooms, with a load-bearing grate on which a perforated cover plate is fastened.
- the supporting grate In a known base plate of this type, the supporting grate consists of a group of mutually spaced square tubes which are welded with their ends to two transverse square tubes of the same type.
- the cover plate In this floor plate construction, the cover plate is perforated in strips only in zones, in the areas which coincide with the cavities between the square bars of the grate.
- the non-perforated part of the cover plate of this known base plate therefore comprises a peripheral edge zone, as well as a number of parallel strips over the square tubes of the supporting grate. In this way, only about 60% of the base area of the plate is used for the passage of air or, in other words, the supporting grate blocks about 40% of the base area of the cover plate for the passage of air.
- a floor plate for double floors in ventilated rooms which has a supporting grate on which a perforated cover plate is attached.
- This cover plate is perforated practically evenly over its entire base area.
- the supporting grate is formed by profile bars with a narrow web-shaped section. These web-shaped sections of the profiled bars are arranged on the cover plate perpendicular to the cover plate only at their zones of full cross-section between the perforations and are formed in one piece with the cover plate.
- the invention has for its object to develop a base plate of the type described in such a way that the shortcomings indicated above are eliminated and a practically uniform air passage over the entire base of the base plate or the raised floor made from such base plates is achieved, and this with minimization of Turbulence over the raised floor.
- the hollow profile bars can have a substantially U-shaped cross section and perforations can be provided in the legs and / or in the base section of the U-shaped hollow profile bars.
- the hollow profile bars can have a V-shaped cross section and the perforations can be arranged in both legs of the V-shaped hollow profile bars.
- the perforations in the base section of the U-shaped hollow profile bars can be the perforations in the Correspond to cover plates and be aligned with them This measure brings a further improvement in the air flow.
- the double floor plate 10 shown in FIG. 1 from below has a load-bearing grate 11 for a cover plate 12, which is practically uniformly perforated over its entire base area or with elongated holes 13.
- a raised floor numerous raised floor panels 10 are supported with their edges abutting one another on a supporting grid made of profiled bars, which in turn rests on height-adjustable supports.
- the raised floor panels 10 can also be directly supported with their corners on the supports. These supports are set up on the bare floor of the clean room concerned.
- the raised floors produced from the floor slabs 10 according to the invention are designed in particular for clean rooms which are ventilated from the ceiling, the air supplied being able to flow down over the raised floor into the space below the raised floor.
- the cover plate 12 but also the hollow profile bars 14, 14a, 14b or 14c of the supporting grids are perforated, as follows will be explained in detail.
- the grate 11 in the exemplary embodiment according to FIGS. 1-3 has a family of laterally evenly spaced hollow profile bars 14 with a substantially U-shaped cross section. These hollow profile bars 14 are welded at their ends to the aforementioned grate 11 with two transverse hollow profile bars 14 of the same type.
- the grates with the hollow profile bars 14a - 14c (Fig. 7-9) are constructed in the same way as described above.
- the hollow profile bars 14 preferably have the same perforations or elongated holes 13 in their two legs 15 as the cover plate 12. It is also important that the free edges of the legs 15 of the hollow profile bars 14 are only attached to the zones of full cross section of the cover plate 12, except for the free edges of the inner legs 15 of the two transverse hollow profile bars 14 (FIGS. 1 and 3).
- the perforations or elongated holes 13 are provided in the cover plate 13 and in the base section 16 of the U-shaped hollow profile bars 14a, while in the exemplary embodiment according to FIG. 8 the perforations or elongated holes 13 are provided both in the two legs 15 and are worked out in the base section 16 of each U-shaped hollow profile bar 14b of the grate in question.
- the load-bearing grate in the embodiment according to FIG. 9 is composed of hollow profile bars 14c with a V-shaped cross section, the perforations or elongated holes 13 being provided in both legs of each hollow profile bar 14c.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Floor Finish (AREA)
- Ventilation (AREA)
Claims (4)
- Dalle de faux-plancher de pièces ventilées, en particulier de pièces stériles, comprenant une grille porteuse sur laquelle une plaque perforée de couverture est fixée, caractérisée en ce que :a) la plaque de couverture (12) est perforée régulièrement, pratiquement sur la totalité de sa surface de base (trous oblongs 13) et la grille porteuse (11) se compose de barres profilées creuses (14) ouvertes vers la plaque de couverture (12), également perforées régulièrement etb) les bords libres des barres profilées creuses (14) ne sont fixés à la plaque de couverture (12) au moins en majeure partie que dans les zones de cette dernière dont la section est pleine et qui sont situées entre les perforations (trous oblongs 13).
- Dalle selon la revendication 1, caractérisée en ce que les barres profilées creuses (14, 14a, 14b) ont une section sensiblement en étrier et les perforations (trous oblongs 13) sont prévues dans les ailes (15) et/ou dans l'âme (16) des barres profilées creuses en étrier (14, 14a, 14b).
- Dalle selon la revendication 1, caractérisée en ce que les barres profilées creuses (14c) ont une section en V et les perforations (trous oblongs 13) sont disposées dans les deux ailes des barres profilées creuses (14c) en V.
- Dalle selon la revendication 1 ou 2, caractérisée en ce que les perforations (trous oblongs 13) de l'âme (16) des barres profilées creuses en étrier (14a, 14b) correspondent aux perforations (trous oblongs 13) de la plaque de couverture (12) et sont alignées sur elles.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4017203 | 1990-05-29 | ||
DE4017203A DE4017203C1 (fr) | 1990-05-29 | 1990-05-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0459135A1 EP0459135A1 (fr) | 1991-12-04 |
EP0459135B1 true EP0459135B1 (fr) | 1993-09-22 |
Family
ID=6407374
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91106292A Expired - Lifetime EP0459135B1 (fr) | 1990-05-29 | 1991-04-19 | Plaque de plancher pour faux planchers surélevés dans des locaux aérés, notamment des locaux à atmosphère pure |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0459135B1 (fr) |
AT (1) | ATE94937T1 (fr) |
DE (2) | DE4017203C1 (fr) |
DK (1) | DK0459135T3 (fr) |
ES (1) | ES2046817T3 (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4038938A1 (de) * | 1990-04-19 | 1991-11-21 | Manfred Nothdurft | Verlegbares fussbodenelement |
DE4201710A1 (de) * | 1991-09-27 | 1993-04-08 | Ibotec Beschichtungen Gmbh | Wand- oder bodenplatte mit gittertraeger |
DE20005184U1 (de) * | 2000-03-21 | 2000-06-29 | Vießmann, Hans, Dr. Dr., 95030 Hof | Belüftungsplatte für Raumzellen |
DE202005009987U1 (de) * | 2005-06-25 | 2005-09-22 | Ambros Schmelzer & Sohn Gmbh & Co. Kg | Belüftungsboden |
US8733060B2 (en) * | 2010-09-09 | 2014-05-27 | Tate Access Floors Leasing, Inc. | Directional grate access floor panel |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2180945A (en) * | 1936-08-01 | 1939-11-21 | Burgess Battery Co | Ventilating construction |
US3252400A (en) * | 1964-02-24 | 1966-05-24 | Jr Joseph Madl | Means providing a coordinated air flow in an enclosure |
FR2217482B3 (fr) * | 1973-02-12 | 1976-11-26 | Thonus Sprl | |
DE8020658U1 (de) * | 1980-08-01 | 1980-11-06 | Mero-Werke Dr.-Ing. Max Mengeringhausen, Gmbh & Co, 8700 Wuerzburg | Doppelbodenplatte mit luftdurchtrittsoeffnungen |
US4745715A (en) * | 1987-03-23 | 1988-05-24 | Farley Metals, Inc. | Elevated floor plate |
DE3738444A1 (de) * | 1987-11-12 | 1989-05-24 | Nickel Gmbh Heinrich | Doppelboden zur luftabsaugung aus raeumen |
-
1990
- 1990-05-29 DE DE4017203A patent/DE4017203C1/de not_active Expired - Fee Related
-
1991
- 1991-04-19 ES ES199191106292T patent/ES2046817T3/es not_active Expired - Lifetime
- 1991-04-19 AT AT91106292T patent/ATE94937T1/de not_active IP Right Cessation
- 1991-04-19 DK DK91106292.5T patent/DK0459135T3/da active
- 1991-04-19 EP EP91106292A patent/EP0459135B1/fr not_active Expired - Lifetime
- 1991-04-19 DE DE91106292T patent/DE59100398D1/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE59100398D1 (de) | 1993-10-28 |
DE4017203C1 (fr) | 1991-07-25 |
ES2046817T3 (es) | 1994-02-01 |
ATE94937T1 (de) | 1993-10-15 |
DK0459135T3 (da) | 1993-11-22 |
EP0459135A1 (fr) | 1991-12-04 |
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