EP1174566A1 - Support for false floors, adjustable in height - Google Patents

Support for false floors, adjustable in height Download PDF

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Publication number
EP1174566A1
EP1174566A1 EP01115352A EP01115352A EP1174566A1 EP 1174566 A1 EP1174566 A1 EP 1174566A1 EP 01115352 A EP01115352 A EP 01115352A EP 01115352 A EP01115352 A EP 01115352A EP 1174566 A1 EP1174566 A1 EP 1174566A1
Authority
EP
European Patent Office
Prior art keywords
height
core
plate
adjustable
thread
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.)
Granted
Application number
EP01115352A
Other languages
German (de)
French (fr)
Other versions
EP1174566B1 (en
Inventor
Hans-Heinz Birkmüller
Manfred Kaiser
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 INTEGRAL KG
Original Assignee
Knauf Gips 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 Gips KG filed Critical Knauf Gips KG
Publication of EP1174566A1 publication Critical patent/EP1174566A1/en
Application granted granted Critical
Publication of EP1174566B1 publication Critical patent/EP1174566B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • E04F15/02447—Supporting structures
    • E04F15/02464—Height adjustable elements for supporting the panels or a panel-supporting framework
    • E04F15/0247—Screw jacks
    • 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

Definitions

  • the present invention relates to a height-adjustable carrier for Raised floors consisting of a core with an external thread and at least one Plate with matching internal thread.
  • Height-adjustable supports for hollow floors have so far been made of metal and usually have a plate firmly attached to the central core and one second internally threaded plate so that it is height adjustable are.
  • These height-adjustable carriers have the disadvantage that they are in the Fire quickly lose their stability and thus the support function for the placed slabs of the hollow floor.
  • these supports are made of metal able to transmit sound, in particular impact sound, to the lower floor.
  • the previously known supports must be protected against corrosion become.
  • the invention has set itself the task of adjustable carriers for To provide hollow floors, which also consist of a core External thread and at least one plate with matching internal thread which maintain their stability even in the event of a fire, a better one Ensure sound insulation and are not protected against corrosion have to.
  • the core and the Board made of fiber-reinforced, set gypsum with the core a diameter of 70 to 120 mm and the plate a height of 25 to 50 mm and has an edge length of 110 to 220 mm.
  • the diameter of the core is 80 to 100 mm and the plate has one Height of 30 to 45 mm and an edge length of 130 to 180 mm.
  • the plate is preferably square, but it can easily also be rectangular, polygonal or round.
  • the thread can be a trapezoidal thread, but preferably a saw thread, since the latter enables a better distribution of the load on the hollow floor to the carrier.
  • the core of fiber-reinforced, set gypsum is preferably produced in such a way that a correspondingly thick pressed plate is cut into longer blocks, which are then turned into columns, into which an external thread matching the plate is then cut. In principle, however, it is also possible to manufacture the columns and the plates by pouring fibrous, settable masses of ⁇ - and / or ⁇ -hemihydrate and anhydrite.
  • the aqueous binder component is poured into a suitable matrix and after hardening the matrix is removed, e.g. B. by opening. The core can then be removed.
  • the plate at the lower end of the Attach core and cutouts at the top of the core in which matching rods made of fiber-reinforced, set gypsum.
  • these rods are designed to be removable, it is also possible at any time after removing the cover plates in the cavity underneath to be able to work and lay or change cables.
  • the distances the height-adjustable carrier according to the invention corresponds to one another preferably the dimensions of the cover plates. In the event that the Hollow floor should be particularly heavily loaded or the dimensions of the Cover plates are particularly large, can of course also smaller Distances between the beams are used.
  • the height adjustable straps according to the invention are therefore very versatile and can be used flexibly and among other things wherever the Hollow floors are to be exposed to particularly high loads, for example by forklifts.
  • a typical embodiment of the carrier according to the invention consists of a 150 to 300 mm long column made of compressed, fiber-reinforced plaster a diameter of 90 mm, in which a trapezoidal or Saw thread is cut and two square plates with the Dimensions 150 x 150 x 35 mm and a central hole with a Thread that fits the column.
  • the two plates are on the top and screwed on the lower end of the column and adjusted in height. If desired, they are fixed in this setting by gluing to the thread.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Floor Finish (AREA)
  • Manipulator (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
  • Panels For Use In Building Construction (AREA)
  • Suspension Of Electric Lines Or Cables (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Earth Drilling (AREA)
  • Drilling Tools (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Invalid Beds And Related Equipment (AREA)
  • Dowels (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Abstract

Der höhenverstellbare Träger für Hohlböden besteht aus einem Kern mit Außengewinde und mindestens einer Platte mit dazu passendem Innengewinde, wobei der Kern und die Platte aus faserverstärktem, abgebundenem Gips bestehen.The height-adjustable support for hollow floors consists of a core with an external thread and at least one plate with a matching internal thread, the core and the plate being made of fiber-reinforced, set gypsum.

Description

Gegenstand der vorliegenden Erfindung ist ein höhenverstellbarer Träger für Hohlböden bestehend aus einem Kern mit Außengewinde und mindestens einer Platte mit dazu passendem Innengewinde.The present invention relates to a height-adjustable carrier for Raised floors consisting of a core with an external thread and at least one Plate with matching internal thread.

Höhenverstellbare Träger für Hohlböden werden bisher aus Metall gefertigt und weisen meist eine mit dem zentralen Kern fest verbundene Platte und eine zweite mit Innengewinde versehene Platte auf, so dass sie höhenverstellbar sind. Diese höhenverstellbaren Träger weisen den Nachteil auf, dass sie im Brandfall rasch ihre Stabilität verlieren und damit die Stützfunktion für die aufgelegten Platten des Hohlbodens. Weiterhin sind diese Träger aus Metall in der Lage, Schall, insbesondere Trittschall, an den unteren Boden weiterzuleiten. Schließlich müssen die bisher bekannten Träger gegen Korrosion geschützt werden.Height-adjustable supports for hollow floors have so far been made of metal and usually have a plate firmly attached to the central core and one second internally threaded plate so that it is height adjustable are. These height-adjustable carriers have the disadvantage that they are in the Fire quickly lose their stability and thus the support function for the placed slabs of the hollow floor. Furthermore, these supports are made of metal able to transmit sound, in particular impact sound, to the lower floor. Finally, the previously known supports must be protected against corrosion become.

Die Erfindung hat sich die Aufgabe gestellt, höhenverstellbare Träger für Hohlböden zur Verfügung zu stellen, die ebenfalls aus einem Kern mit Außengewinde und mindestens einer Platte mit dazu passendem Innengewinde aufweisen, welche auch im Brandfall ihre Stabilität behalten, eine bessere Schallisolierung gewährleisten und nicht gegen Korrosion geschützt werden müssen.The invention has set itself the task of adjustable carriers for To provide hollow floors, which also consist of a core External thread and at least one plate with matching internal thread which maintain their stability even in the event of a fire, a better one Ensure sound insulation and are not protected against corrosion have to.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass der Kern und die Platte aus faserverstärktem, abgebundenem Gips bestehen, wobei der Kern einen Durchmesser von 70 bis 120 mm und die Platte eine Höhe von 25 bis 50 mm sowie eine Kantenlänge von 110 bis 220 mm aufweist. Vorzugsweise beträgt der Durchmesser des Kernes 80 bis 100 mm und weist die Platte eine Höhe von 30 bis 45 mm sowie eine Kantenlänge von 130 bis 180 mm auf. This object is achieved in that the core and the Board made of fiber-reinforced, set gypsum, with the core a diameter of 70 to 120 mm and the plate a height of 25 to 50 mm and has an edge length of 110 to 220 mm. Preferably the diameter of the core is 80 to 100 mm and the plate has one Height of 30 to 45 mm and an edge length of 130 to 180 mm.

Die Platte ist vorzugsweise quadratisch ausgestaltet, kann aber ohne weiteres auch rechteckig, vieleckig oder rund ausgestaltet sein.The plate is preferably square, but it can easily also be rectangular, polygonal or round.

In diese Platten aus faserverstärktem, abgebundenem Gips werden Löcher mit Innengewinde ausgeschnitten. Das Gewinde kann ein Trapezgewinde, vorzugsweise aber ein Sägengewinde sein, da letzteres eine bessere Verteilung der Last auf dem Hohlboden auf den Träger ermöglicht. Der Kern aus faserverstärktem, abgebundenem Gips wird vorzugsweise in der Weise hergestellt, dass eine entsprechend dicke verpresste Platte zu längeren Blöcken zerschnitten wird, die anschließend zu Säulen gedreht werden, in welche dann ein zur Platte passendes Außengewinde geschnitten wird. Es ist aber prinzipiell auch möglich, die Säulen und die Platten herzustellen durch Gießen von faserhaltigen abbindefähigen Massen von α- und/oder β-Halbhydrat sowie Anhydrit. Insbesondere feinstgemahlener Naturanhydrit mit d90 ≅ 8 µm oder Mischungen mit α/β-Halbhydrat sind geeignet. Um einen Kern im Gießverfahren herzustellen, wird beispielsweise die wässrige Bindemittelkomponente in eine geeignete Matrix gegossen und nach dem Erhärten die Matrix entfernt, z. B. durch Aufklappen. Der Kern kann dann entnommen werden.Holes with an internal thread are cut into these plates made of fiber-reinforced, set gypsum. The thread can be a trapezoidal thread, but preferably a saw thread, since the latter enables a better distribution of the load on the hollow floor to the carrier. The core of fiber-reinforced, set gypsum is preferably produced in such a way that a correspondingly thick pressed plate is cut into longer blocks, which are then turned into columns, into which an external thread matching the plate is then cut. In principle, however, it is also possible to manufacture the columns and the plates by pouring fibrous, settable masses of α- and / or β-hemihydrate and anhydrite. Particularly finely ground natural anhydrite with d 90 ≅ 8 µm or mixtures with α / β hemihydrate are suitable. To produce a core in the casting process, for example, the aqueous binder component is poured into a suitable matrix and after hardening the matrix is removed, e.g. B. by opening. The core can then be removed.

Prinzipiell ist es möglich, an dem Kern mit Außengewinde sowohl oben wie unten eine Platte mit entsprechendem Innengewinde anzubringen. In der Praxis genügt es aber, wenn nur ein Ende des Kernes in eine Platte mit dazu passendem Innengewinde eingeschraubt wird, um damit die Höheneinstellung vorzunehmen. Am anderen Ende des Kernes kann beispielsweise eine Auflageplatte vorgesehen und mit dem Kern verschraubt oder verklebt werden.In principle it is possible to use the core with an external thread both above and below attach a plate with the appropriate internal thread. In practice But it is sufficient if only one end of the core is included in a plate suitable internal thread is screwed in to adjust the height make. At the other end of the core, for example, one Support plate provided and screwed or glued to the core.

Weiterhin ist es möglich, die Platte mit dem Gewinde am unteren Ende des Kernes anzubringen und am oberen Ende des Kernes Aussparungen vorzunehmen, in welche hierzu passende Stäbe aus faserverstärktem, abgebundenem Gips eingesetzt werden. Hierdurch ist es möglich, aus vorgefertigten gleich großen Teilen ein Gitterwerk aus faserverstärktem, abgebundenem Gips aufzubauen, welches den aufgesetzten Platten des Hohlbodens wesentlich höhere Stabilität und Belastbarkeit verleiht. Solange diese Stäbe herausnehmbar ausgestaltet sind, ist es auch jederzeit möglich, nach Abnehmen der Deckplatten ungehindert in dem Hohlraum darunter arbeiten zu können und Leitungen zu legen bzw. zu verändern. Die Abstände der erfindungsgemäßen höhenverstellbaren Träger untereinander entspricht dabei vorzugsweise den Abmessungen der Abdeckplatten. Für den Fall, dass der Hohlboden besonders stark belastet werden soll oder aber die Abmessungen der Abdeckplatten besonders groß sind, können selbstverständlich auch geringere Abstände zwischen den Trägern zum Einsatz kommen.It is also possible to thread the plate at the lower end of the Attach core and cutouts at the top of the core in which matching rods made of fiber-reinforced, set gypsum. This makes it possible to prefabricated parts of equal size a lattice made of fiber-reinforced, set up gypsum that builds on the attached panels of the Raised floor gives significantly higher stability and resilience. As long as these rods are designed to be removable, it is also possible at any time after removing the cover plates in the cavity underneath to be able to work and lay or change cables. The distances the height-adjustable carrier according to the invention corresponds to one another preferably the dimensions of the cover plates. In the event that the Hollow floor should be particularly heavily loaded or the dimensions of the Cover plates are particularly large, can of course also smaller Distances between the beams are used.

Die erfindungsgemäßen höhenverstellbaren Träger sind somit sehr vielseitig und flexibel einsetzbar und können u.a. dort zum Einsatz kommen, wo die Hohlböden besonders hohen Belastungen ausgesetzt werden sollen, beispielsweise durch Gabelstapler.The height adjustable straps according to the invention are therefore very versatile and can be used flexibly and among other things wherever the Hollow floors are to be exposed to particularly high loads, for example by forklifts.

Eine typische Ausführungsform des erfindungsgemäßen Trägers besteht aus einer 150 bis 300 mm langen Säule aus verpresstem, faserverstärktem Gips mit einem Durchmesser von 90 mm, in welche außen ein Trapez- oder Sägengewinde eingeschnitten ist und zwei quadratischen Platten mit den Abmessungen 150 x 150 x 35 mm und einem zentralen Loch mit einem Gewinde, welches zu der Säule passt. Die beiden Platten werden am oberen und unteren Ende der Säule aufgeschraubt und höhenjustiert. Gewünschtenfalls werden sie durch Verkleben am Gewinde in dieser Einstellung fixiert.A typical embodiment of the carrier according to the invention consists of a 150 to 300 mm long column made of compressed, fiber-reinforced plaster a diameter of 90 mm, in which a trapezoidal or Saw thread is cut and two square plates with the Dimensions 150 x 150 x 35 mm and a central hole with a Thread that fits the column. The two plates are on the top and screwed on the lower end of the column and adjusted in height. If desired, they are fixed in this setting by gluing to the thread.

Claims (6)

Höhenverstellbarer Träger für Hohlböden bestehend aus einem Kern mit Außengewinde und mindestens einer Platte mit dazu passendem Innengewinde, dadurch gekennzeichnet, dass der Kern und die Platte aus faserverstärktem, abgebundenem Gips bestehen, wobei der Kern einen Durchmesser von 70 bis 120 mm und die Platte eine Höhe von 25 bis 50 mm sowie eine Kantenlänge von 110 bis 220 mm aufweist.Height-adjustable support for hollow floors consisting of a core with an external thread and at least one plate with a matching internal thread, characterized in that the core and the plate consist of fiber-reinforced, set gypsum, the core having a diameter of 70 to 120 mm and the plate a height of 25 to 50 mm and an edge length of 110 to 220 mm. Höhenverstellbarer Träger gemäß Anspruch 1, dadurch gekennzeichnet, dass der Durchmesser des Kernes 80 bis 100 mm beträgt und die Platte eine Höhe von 30 bis 45 mm sowie eine Kantenlänge von 130 bis 180 mm aufweist.Height-adjustable support according to claim 1, characterized in that the diameter of the core is 80 to 100 mm and the plate has a height of 30 to 45 mm and an edge length of 130 to 180 mm. Höhenverstellbarer Träger gemäß Ansprüchen 1 oder 2, dadurch gekennzeichnet, dass die Platte quadratisch ausgestaltet ist.Height-adjustable support according to claims 1 or 2, characterized in that the plate is square. Höhenverstellbarer Träger gemäß einem der Ansprüche 1-3, dadurch gekennzeichnet, dass die Gewinde Sägengewinde sind.Height-adjustable support according to one of claims 1-3, characterized in that the threads are saw threads. Verfahren zur Herstellung höhenverstellbarer Träger für Hohlböden gemäß einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass aus verpressten Platten von faserverstärktem, abgebundenem Gips Löcher mit Innengewinde ausgeschnitten werden und aus einer entsprechend dickeren Platte zunächst längere Blöcke geschnitten werden, die anschließend zu Säulen gedreht werden und in diese dann ein zur Platte passendes Außengewinde geschnitten wird. Process for the production of height-adjustable supports for hollow floors according to one of claims 1 to 4, characterized in that holes with an internal thread are cut out of pressed plates of fiber-reinforced, set gypsum plaster and first longer blocks are cut from a correspondingly thicker plate, which are then turned into columns and then an external thread matching the plate is cut into it. Verfahren zur Herstellung höhenverstellbarer Träger für Hohlböden gemäß einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass der Kern mit Sägengewinde durch Gießverfahren hergestellt wird, wobei eine wässrige Bindemittelkomponente in eine geeignete Matrix eingegossen und nach dem Erhärten die Matrix entfernt und der Kern entnommen wird.Process for the production of height-adjustable supports for hollow floors according to one of claims 1 to 5, characterized in that the core with a saw thread is produced by casting processes, an aqueous binder component being poured into a suitable matrix and, after hardening, the matrix being removed and the core being removed.
EP01115352A 2000-07-20 2001-06-26 Support for false floors, adjustable in height Expired - Lifetime EP1174566B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10035225A DE10035225C1 (en) 2000-07-20 2000-07-20 Height adjustable support, for hollow floors, has externally threaded core of specific diameter and internally threaded plate of specific height both made from fibre-reinforced bonded gypsum
DE10035225 2000-07-20

Publications (2)

Publication Number Publication Date
EP1174566A1 true EP1174566A1 (en) 2002-01-23
EP1174566B1 EP1174566B1 (en) 2004-05-19

Family

ID=7649537

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01115352A Expired - Lifetime EP1174566B1 (en) 2000-07-20 2001-06-26 Support for false floors, adjustable in height

Country Status (12)

Country Link
EP (1) EP1174566B1 (en)
AT (1) ATE267315T1 (en)
CZ (1) CZ20012623A3 (en)
DE (2) DE10035225C1 (en)
DK (1) DK1174566T3 (en)
ES (1) ES2219459T3 (en)
HU (1) HU223629B1 (en)
NO (1) NO20013571L (en)
PL (1) PL348713A1 (en)
PT (1) PT1174566E (en)
RU (1) RU2001120237A (en)
TR (1) TR200401482T4 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH675003A5 (en) * 1988-02-19 1990-08-15 Guenter Feurstein Support for panels of hollow floor - has means to adjust height of panels above underfloor
DE19631231A1 (en) * 1996-08-02 1998-02-05 Sicowa Verfahrenstech Cavity floor for buildings

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2111556A (en) * 1981-12-12 1983-07-06 David George Godfrey Floor-panel-supporting jack
DE29514656U1 (en) * 1995-09-12 1996-01-25 Lott Reinhold Floor plate for a cavity floor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH675003A5 (en) * 1988-02-19 1990-08-15 Guenter Feurstein Support for panels of hollow floor - has means to adjust height of panels above underfloor
DE19631231A1 (en) * 1996-08-02 1998-02-05 Sicowa Verfahrenstech Cavity floor for buildings

Also Published As

Publication number Publication date
RU2001120237A (en) 2003-06-20
NO20013571D0 (en) 2001-07-19
HUP0103031A2 (en) 2002-12-28
DE10035225C1 (en) 2001-10-31
CZ20012623A3 (en) 2002-07-17
ES2219459T3 (en) 2004-12-01
DE50102311D1 (en) 2004-06-24
HU0103031D0 (en) 2001-10-28
PT1174566E (en) 2004-09-30
EP1174566B1 (en) 2004-05-19
DK1174566T3 (en) 2004-08-09
TR200401482T4 (en) 2004-08-23
PL348713A1 (en) 2002-01-28
ATE267315T1 (en) 2004-06-15
NO20013571L (en) 2002-01-21
HU223629B1 (en) 2004-10-28

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