EP0279278B1 - Frame for a supported flooring panel of sectional false floors, especially for corners - Google Patents

Frame for a supported flooring panel of sectional false floors, especially for corners Download PDF

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Publication number
EP0279278B1
EP0279278B1 EP88101530A EP88101530A EP0279278B1 EP 0279278 B1 EP0279278 B1 EP 0279278B1 EP 88101530 A EP88101530 A EP 88101530A EP 88101530 A EP88101530 A EP 88101530A EP 0279278 B1 EP0279278 B1 EP 0279278B1
Authority
EP
European Patent Office
Prior art keywords
edge
frame
sheet metal
panel
sheet
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
Application number
EP88101530A
Other languages
German (de)
French (fr)
Other versions
EP0279278A2 (en
EP0279278A3 (en
Inventor
Thomas Rothfuss
Friedrich Georg Stummer
Walter Wengert
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.)
Mahle GmbH
Original Assignee
Mahle GmbH
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 Mahle GmbH filed Critical Mahle GmbH
Priority to AT88101530T priority Critical patent/ATE62309T1/en
Publication of EP0279278A2 publication Critical patent/EP0279278A2/en
Publication of EP0279278A3 publication Critical patent/EP0279278A3/en
Application granted granted Critical
Publication of EP0279278B1 publication Critical patent/EP0279278B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E04F15/02405—Floor panels

Definitions

  • the sheet metal part bent outwards on the leg with its free side edge can form the side closure of the base plate in such a way that the plates laid to form a closed base each lie directly against this side edge.
  • the only decisive factor is that a gap of the order of magnitude is avoided, as is given in the known prior art with the upper outer edge of the plate being produced only by bending.
  • the upper bending edge area is subsequently formed with sharp edges on the preformed sheet metal profiles provided with beads, by pressing sheet material in a targeted manner into the bending edge area by leveling the beads. How this shaping of the bending edge area can take place in detail can be found in the following description of an exemplary embodiment.
  • a frame By welding together four frame sheet metal profiles 1 in the form according to FIG. 1, a frame can be filled with a mass for a base plate.
  • the leg 2 coming to lie on the tread surface side of the base plate consists of a first part 3 which is bent from the part 4 of the sheet metal profile 1 forming the side edge of the base plate and a second part 5 which is bent outwards onto part 3.
  • the free side edge 6 forms the side end of the subsequent base plate. This closure formed by the free side edge 6 can match the outermost region of part 4 of the sheet metal profile 1.
  • the free side edge 6 can also protrude or protrude slightly, ie about 1/10 mm from the outermost area of the part 6.
  • the lower leg 13 of the sheet metal profile 1 can also be bent back outward on itself. However, it is not necessary for the bent part to protrude all the way out.
  • Fig. 2 the starting sheet profile for the method according to claim 2 is shown.
  • the sheet profile 7 there has a U-shaped basic shape.
  • a longitudinal bead 9 is formed in the sheet metal profile near the bending edge 8.
  • the sheet profile 7 is clamped in a forming tool.
  • This tool consists in detail of a receptacle 10, a hold-down plate 11 and a pressure plate 12.
  • the tool is operated as follows:
  • FIG. 4 shows the finished sheet metal profile with an actually sharp-edged or rectangular bending edge 8, in which the bead 9 is leveled.

Abstract

In frames consisting of sheet-metal sections (1) which have a bending edge at the edge with the tread plane because one leg (2) of the frame is bent round into the tread plane, this edge cannot be made sharp. Thus, when the panels are laid against one another, there is a small gap which, especially where thin hard floor coverings are concerned, can lead to a break of the floor covering at this point under a load exerted at a particular point. The sharp edge can be obtained, on the one hand, by designing the leg (2) as a sheet-metal part (5) bent back on itself, the free end of the sheet-metal part (5) coming to rest on the panel edge. Alternatively, it can be achieved in that a bead (9) formed in the sheet-metal section (7) in the vicinity of the respective panel edge is evened off in a tool in such a way that it forms as a result of the creep of the sheet-metal material. In the finished floor panel, the frame is filled with flowable hardening material. <IMAGE>

Description

Die Erfindung betrifft einen Rahmen für insbesondere Doppelbodenplatten.The invention relates to a frame for double floor panels in particular.

Bei derartigen Bodenplatten besteht ein Problem darin, daß die Biegekante zwischen an der Trittfläche der Platte liegendem Schenkel einerseits und die Seitenkante der Platten bildendem Teil des Rahmenbleches andererseits einen Radius von in der Regel mindestens etwa 1 mm aufweist. Dadurch bildet sich bei einem Aneinanderlegen der Platten ein entsprechend großer Spalt, der in der Praxis unerwünscht ist. Besonders störend wirkt dieser Spalt z.B., wenn die Bodenplatten mit einem dünnen Hartbelag als Trittflächenbelag versehen werden. In solchen Fällen kann es nämlich passieren, daß der Hartbelag durch Belastung, z.B. durch auf diese Stelle mit Pfennigabsätzen auftretende Damen, einbricht. Diese Gefahr besteht vor allem in den Eckbereichen der Platten.In such floor panels, there is a problem that the bending edge between the leg lying on the tread surface of the panel on the one hand and the part of the frame plate forming the side edge of the panel on the other hand has a radius of at least about 1 mm as a rule. This creates a correspondingly large gap when the plates are placed against one another, which is undesirable in practice. This gap is particularly disruptive, for example, if the floor slabs are provided with a thin hard surface as a tread surface. In such cases, it can happen that the hard covering is subjected to stress, e.g. by women appearing with stiletto heels at this point. This danger exists especially in the corner areas of the panels.

Hier eine Verbesserung zu schaffen, ist die Aufgabe der vorliegenden Erfindung. Alternative Lösungen dieser Aufgabe enthalten die kennzeichnenden Teile der Ansprüche 1 und 2.To create an improvement here is the object of the present invention. Alternative solutions to this problem are contained in the characterizing parts of claims 1 and 2.

Bei der Lösung nach Anspruch 1 kann der auf dem Schenkel nach außen umgebogene Blechteil mit seiner freien Seitenkante derart den Seitenabschluß der Bodenplatte bilden, daß die zu einem geschlossenen Boden verlegten Platten jeweils direkt an diesem Seitenrand anliegen. Es ist aber auch möglich, die freien Seitenränder des nach außen umgeklappten Blechteiles an den Schenkeln seitlich um ein ganz geringes Maß von z.B. etwa 1/10 mm zurückstehen zu lassen, damit die Platten nicht direkt an den freien Rändern der umgeklappten Blechteile, sondern an dem darunterliegenden Rahmenprofil kontaktbildend aneinanderliegen. Entscheidend ist lediglich, daß ein Spalt in einer Größenordnung vermieden wird, wie er im vorbekannten Stand der Technik bei lediglich durch Biegen erzeugter oberen Plattenaußenkante gegeben ist.In the solution according to claim 1, the sheet metal part bent outwards on the leg with its free side edge can form the side closure of the base plate in such a way that the plates laid to form a closed base each lie directly against this side edge. However, it is also possible to laterally free the free side edges of the sheet metal part folded down on the legs by a very small amount, e.g. leave about 1/10 mm behind, so that the panels do not lie directly on the free edges of the folded sheet metal parts, but on the frame profile below. The only decisive factor is that a gap of the order of magnitude is avoided, as is given in the known prior art with the upper outer edge of the plate being produced only by bending.

Bei der Lösung nach Anspruch 2 wird an den mit Sicken versehenen vorgeformten Blechprofilen nachträglich der obere Biegekantenbereich Scharfkantig ausgeformt, indem durch Einebnen der Sicken Blechmaterial gezielt in den Biegekantenbereich gedrückt wird. Wie dieses Ausformen des Biegekantenbereiches im einzelnen konkret erfolgen kann, kann der nachfolgenden Beschreibung eines Ausführungsbeispieles entnommen werden.In the solution according to claim 2, the upper bending edge area is subsequently formed with sharp edges on the preformed sheet metal profiles provided with beads, by pressing sheet material in a targeted manner into the bending edge area by leveling the beads. How this shaping of the bending edge area can take place in detail can be found in the following description of an exemplary embodiment.

Je ein Ausführungsbeispiel zu jeder der beiden erfindungsgemäßen Lösungen ist in der Zeichnung dargestellt. Es zeigen

  • Fig. 1 einen Schnitt durch ein Rahmenblech-profil entsprechend der Lösung nach Anspruch 1
  • Fig. 2 den Schnitt durch ein vorgeformtes Rahmenblechprofil als Ausgangsprofil für das Umformverfahren nach Anspruch 2
  • Fig. 3 das Blechprofil nach Fig. 2 eingespannt in ein Umformwerkzeug
  • Fig. 4 einen Schnitt durch das fertig geformte Rahmenprofilblech mit Scharfkantiger Oberkante
One embodiment of each of the two solutions according to the invention is shown in the drawing. Show it
  • Fig. 1 shows a section through a frame sheet profile corresponding to the solution according to claim 1
  • 2 shows the section through a preformed frame sheet profile as the starting profile for the forming process according to claim 2
  • Fig. 3 clamped the sheet metal profile of FIG. 2 in a forming tool
  • Fig. 4 shows a section through the fully formed frame profile sheet with a sharp-edged upper edge

Durch Zusammenschweißen von vier Rahmenblechprofilen 1 in der Form nach Figur 1 entsteht ein mit einer Masse aufüllbarer Rahmen für eine Bodenplatte. Der an der Trittflächenseite der Bodenplatte zu liegen kommende Schenkel 2 besteht aus einem ersten Teil 3, der aus dem die Seitenkante der Bodenplatte bildenden Teil 4 des Blechprofiles 1 abgebogen ist und einem zweiten Teil 5, der auf den Teil 3 nach außen umgebogen ist. Der freie Seitenrand 6 bildet den Seitenabschluß der späteren Bodenplatte. Dabei kann dieser von dem freien Seitenrand 6 gebildete Abschluß mit dem am weitesten außen liegenden Bereich des Teiles 4 des Blechprofils 1 übereinstimmen. Der freie Seitenrand 6 kann aber auch geringfügig, d.h. etwa 1/10 mm gegenüber dem äußersten Bereich des Teiles 6 zurück- oder vorstehen.By welding together four frame sheet metal profiles 1 in the form according to FIG. 1, a frame can be filled with a mass for a base plate. The leg 2 coming to lie on the tread surface side of the base plate consists of a first part 3 which is bent from the part 4 of the sheet metal profile 1 forming the side edge of the base plate and a second part 5 which is bent outwards onto part 3. The free side edge 6 forms the side end of the subsequent base plate. This closure formed by the free side edge 6 can match the outermost region of part 4 of the sheet metal profile 1. The free side edge 6 can also protrude or protrude slightly, ie about 1/10 mm from the outermost area of the part 6.

Auch der untere Schenkel 13 des Blechprofiles 1 kann nach außen auf sich selbst zurückgebogen sein. Dabei ist es allerdings nicht erforderlich, daß der zurückgebogene Teil bis ganz nach außen ragt.The lower leg 13 of the sheet metal profile 1 can also be bent back outward on itself. However, it is not necessary for the bent part to protrude all the way out.

In Fig. 2 ist das Ausgangsblechprofil für das Verfahren nach Anspruch 2 dargestellt. Das dortige Blechprofil 7 besitzt U-förmige Grundform. Nahe der Biegekante 8 ist eine Längssicke 9 in das Blechprofil eingeformt.In Fig. 2, the starting sheet profile for the method according to claim 2 is shown. The sheet profile 7 there has a U-shaped basic shape. A longitudinal bead 9 is formed in the sheet metal profile near the bending edge 8.

Zur Ausbildung einer exakt rechteckigen Biegekante 8 wird das Blechprofil 7 in ein Veformwerkzeug eingespannt. Dieses Werkzeug besteht im einzelnen aus einer Aufnahme 10, einer Niederhalteplatte 11 und einer Druckplatte 12. Um die Sicke 9 einzuebnen und damit einen Materialfluß in Richtung der Biegekante 8 zu bewirken, wird das Werkzeug wie folgt betätigt:To form an exactly rectangular bending edge 8, the sheet profile 7 is clamped in a forming tool. This tool consists in detail of a receptacle 10, a hold-down plate 11 and a pressure plate 12. In order to level the bead 9 and thus to cause a material flow in the direction of the bending edge 8, the tool is operated as follows:

Das Blechprofil 7 wird mit seiner Innenkontur in die Aufnahme 10 eingelegt und mit der Niederhalteplatte 11 festgeklemmt. Mit der Druckplatte 12 wird die Sikke 9 planeben so verformt, daß die Auswölbung der Sicke 9 in Richtung der rechtwinkligen Biegekante 8 fließt.The sheet profile 7 is inserted with its inner contour into the receptacle 10 and clamped with the hold-down plate 11. With the pressure plate 12, the Sikke 9 is deformed flat so that the bulge of the bead 9 flows in the direction of the right-angled bending edge 8.

Das fertige Blechprofil mit einer tatsächlich Scharfkantigen bzw. rechteckigen Biegekante 8, bei dem die Sicke 9 eingeebnet ist, zeigt Figur 4.FIG. 4 shows the finished sheet metal profile with an actually sharp-edged or rectangular bending edge 8, in which the bead 9 is leveled.

Claims (2)

1. Frame for a floor panel mounted in particular solely at the corners, for supported double floors, which is filled with a moulded material and consists of a sheet metal section (1) with a side (2) bent over approximately at right angles towards the inside of the frame at least on its longitudinal side facing the tread surface of the panel, the respective outer edge of the bend having a radius of curvature, characterised in that the side (2) consists of a sheet metal part (3, 5) bent back on itself through 180°, in which the turned-down end (5) lies in the surface of the panel forming the tread surface and at this point in the curved edge region determined by the radius of curvature of the outer edge of the bend forms the lateral termination of the panel with its free side edge (6).
2. Method for the production of a frame for a floor panel mounted in particular solely at the corners, for supported double floors, which can be filled with a moulded material and consists of individual sheet metal sections (7) welded to each other, which respectively comprise sides (2) bent over approximately at right angles towards the inside of the frame, at least on the longitudinal side facing the tread surface of the panel, characterised in that each sheet metal section (7) comprises, either in the surface forming the lateral termination of the panel or in the bent-over side (2), at least close to the bending edge (8), a bead (9) extending in the longitudinal direction, which is then deformed in the respective plane of the sheet metal so that material is able to flow solely in the direction of the bending edge (8) in order to form a bending edge (8) which has a sharp edge towards the outside, for which purpose, on the one hand, the parts of the sheet metal section (7) not lying in the direction of flow, are fixed in position during the deformation of the bead (9) and, on the other hand, the region (8) of the bending edges comes to lie in a mould with a sharp-edged inner contour.
EP88101530A 1987-02-19 1988-02-03 Frame for a supported flooring panel of sectional false floors, especially for corners Expired - Lifetime EP0279278B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88101530T ATE62309T1 (en) 1987-02-19 1988-02-03 FRAME FOR A FLOOR PLATE PARTICULARLY ONLY BEARED ON THE CEILING CORNERS FOR RAISED RAISED FLOORS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3705303 1987-02-19
DE3705303A DE3705303C1 (en) 1987-02-19 1987-02-19 Frame for a base plate, which is only supported at the corners, for raised double floors

Publications (3)

Publication Number Publication Date
EP0279278A2 EP0279278A2 (en) 1988-08-24
EP0279278A3 EP0279278A3 (en) 1988-10-12
EP0279278B1 true EP0279278B1 (en) 1991-04-03

Family

ID=6321335

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88101530A Expired - Lifetime EP0279278B1 (en) 1987-02-19 1988-02-03 Frame for a supported flooring panel of sectional false floors, especially for corners

Country Status (6)

Country Link
EP (1) EP0279278B1 (en)
AT (1) ATE62309T1 (en)
DE (2) DE3705303C1 (en)
ES (1) ES2022475B3 (en)
NO (1) NO164313C (en)
PT (1) PT86777B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7644555B2 (en) 1996-06-11 2010-01-12 Unilin Beheer B.V., Besloten Vennootschap Floor panels with edge connectors

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE514645C2 (en) 1998-10-06 2001-03-26 Perstorp Flooring Ab Floor covering material comprising disc-shaped floor elements intended to be joined by separate joint profiles
SE518184C2 (en) 2000-03-31 2002-09-03 Perstorp Flooring Ab Floor covering material comprising disc-shaped floor elements which are joined together by means of interconnecting means
BE1013569A3 (en) 2000-06-20 2002-04-02 Unilin Beheer Bv Floor covering.
DE102010004717A1 (en) 2010-01-15 2011-07-21 Pergo (Europe) Ab Set of panels comprising retaining profiles with a separate clip and method for introducing the clip
CA2906474C (en) 2010-05-10 2018-12-18 Pergo (Europe) Ab Set of panels

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE608828C (en) * 1935-02-01 Gewerkschaft Kronprinz Process for the production of lightweight profiles
US3146749A (en) * 1961-06-16 1964-09-01 American Can Co Method of forming a neck on a can part
DE2545854A1 (en) * 1975-10-14 1976-10-28 Lanz Ag Hermann Service-accommodating twin-plate slabbed double floor - with foamed-substance- holding intermediate layer between top smooth and bottom reinforced plate
DE2831914C2 (en) * 1978-07-20 1986-12-11 Hella 4800 Bielefeld Klöpping Concrete slab
EP0135240A3 (en) * 1983-09-21 1986-03-19 "C.B.R. Béton" Self-supporting slab for a false floor
DE3440297A1 (en) * 1984-11-05 1986-05-22 Greschbach, Manfred, 7637 Ettenheim PANEL SHAPED WALL ELEMENT

Cited By (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7644555B2 (en) 1996-06-11 2010-01-12 Unilin Beheer B.V., Besloten Vennootschap Floor panels with edge connectors
US7644554B2 (en) 1996-06-11 2010-01-12 Unilin Beheer B.V. Besloten Vennootschap Floor panels with edge connectors
US7647743B2 (en) 1996-06-11 2010-01-19 Unilin Beheer B.V. Besloten Vennootschap Method of making floor panels with edge connectors
US7647741B2 (en) 1996-06-11 2010-01-19 Unilin Beheer B.V. Besloten Vennootschap Floor panels with edge connectors
US7650727B2 (en) 1996-06-11 2010-01-26 Unilin Beheer B.V., Besloten Vennootschap Floor panels with edge connectors
US7650728B2 (en) 1996-06-11 2010-01-26 UNILIN BEHEER BV besloten vennootschap Floor panels with edge connectors
US7654054B2 (en) 1996-06-11 2010-02-02 Uniliin Beheer B.V. besloten vennootschap Floor panels with edge connectors
US7658048B2 (en) 1996-06-11 2010-02-09 Unilin Beheer B.V. Besloten Vennootschap Floor panels with edge connectors
US7665266B2 (en) 1996-06-11 2010-02-23 Unilin Beheer B.V., Besloten Vennootschap Floor panels with edge connectors
US7665265B2 (en) 1996-06-11 2010-02-23 Unlin Beheer B.V. Floor panels with edge connectors
US7665268B2 (en) 1996-06-11 2010-02-23 Unilin Beheer B.V., Besloten Vennootschap Floor panels with edge connectors
US7665267B2 (en) 1996-06-11 2010-02-23 Unilin Beheer B.V., Besloten Vennootschap Floor panels with edge connectors
US7669377B2 (en) 1996-06-11 2010-03-02 Unilin Beheer B.V., Besloten Vennootschap Floor panels with edge connectors
US7669376B2 (en) 1996-06-11 2010-03-02 Unilin Beheer B.V., Besloten Vennootschap Floor panels with edge connectors
US7673431B2 (en) 1996-06-11 2010-03-09 Unilin Beheer B.V. besloten, vennootschap Floor panels with edge connectors
US7677008B2 (en) 1996-06-11 2010-03-16 Unilin Beheer B.V., Besloten Vennootschap Floor panels with edge connectors
US7681371B2 (en) 1996-06-11 2010-03-23 Unilin Beheer B.V. Floor panels with edge connectors
US7698869B2 (en) 1996-06-11 2010-04-20 Unilin Beheer B.V. Besloten Vennootschap Floor panels with edge connectors
US7698868B2 (en) 1996-06-11 2010-04-20 Unilin Beheer B.V. Besloten Vennootschap Floor panels with edge connectors
US7707793B2 (en) 1996-06-11 2010-05-04 Unilin Beheer B.V., Besloten Vennootschap Floor panels with edge connectors
US7712280B2 (en) 1996-06-11 2010-05-11 Unilin Beheer B.V., Besloten Vennootschap Floor panels with edge connectors
US7726089B2 (en) 1996-06-11 2010-06-01 Unilin Beheer B.V., Besloten Vennootschap Floor panels with edge connectors
US7735288B2 (en) 1996-06-11 2010-06-15 Unilin Beheer B.V., Besloten Vennootschap Floor panels with edge connectors
US7757453B2 (en) 1996-06-11 2010-07-20 Unilin Beheer B.V., Besloten Vennootschap Floor panels with edge connectors
US7770350B2 (en) 1996-06-11 2010-08-10 Unilin Beheer B. V., besloten vennootschap Floor panels with edge connectors
US7810297B2 (en) 1996-06-11 2010-10-12 Unilin Beheer B.V., Besloten Vennootschap Floor panels with edge connectors
US7827754B2 (en) 1996-06-11 2010-11-09 Unilin Beheer B.V., Besloten Vennootschap Floor panels with edge connectors
US7827755B2 (en) 1996-06-11 2010-11-09 Unilin Beheer B.V., Besloten Vennootschap Floor panels with edge connectors
US8166723B2 (en) 1996-06-11 2012-05-01 Unilin Beheer B.V., Besloten Vennootschap Floor panels with edge connectors
US8365494B2 (en) 1996-06-11 2013-02-05 Unilin Beheer B.V., Besloten Vennootschap Floor panels with edge connectors
US8789334B2 (en) 1996-06-11 2014-07-29 Unilin Beheer B.V., Besloten Vennootschap Floor panels with edge connectors

Also Published As

Publication number Publication date
NO164313B (en) 1990-06-11
ATE62309T1 (en) 1991-04-15
EP0279278A2 (en) 1988-08-24
ES2022475B3 (en) 1991-12-01
DE3862209D1 (en) 1991-05-08
DE3705303C1 (en) 1988-09-15
PT86777A (en) 1989-02-28
EP0279278A3 (en) 1988-10-12
NO880716L (en) 1988-08-22
NO880716D0 (en) 1988-02-18
NO164313C (en) 1990-09-19
PT86777B (en) 1993-08-31

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