EP0295801A2 - Bodenpaneel - Google Patents

Bodenpaneel Download PDF

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Publication number
EP0295801A2
EP0295801A2 EP88304782A EP88304782A EP0295801A2 EP 0295801 A2 EP0295801 A2 EP 0295801A2 EP 88304782 A EP88304782 A EP 88304782A EP 88304782 A EP88304782 A EP 88304782A EP 0295801 A2 EP0295801 A2 EP 0295801A2
Authority
EP
European Patent Office
Prior art keywords
tray
cover plate
board
flanging
edges
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.)
Ceased
Application number
EP88304782A
Other languages
English (en)
French (fr)
Other versions
EP0295801A3 (de
Inventor
Harold James William Payne
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.)
Thorsman and Co UK Ltd
Original Assignee
Thorsman and Co UK Ltd
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 Thorsman and Co UK Ltd filed Critical Thorsman and Co UK Ltd
Publication of EP0295801A2 publication Critical patent/EP0295801A2/de
Publication of EP0295801A3 publication Critical patent/EP0295801A3/de
Ceased 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
    • E04F15/02417—Floor panels made of box-like elements
    • E04F15/02423—Floor panels made of box-like elements filled with core material

Definitions

  • This invention relates to flooring panels of the type used for access floors and normally provided with a metal finish, such flooring panels being supported above a subfloor on pedestals, normally at corners of rectangular, most often square, flooring panels.
  • edges of particle board are, of their very nature, simply not of adequate soundness and integrity for wholly satisfactory adhesive bonding. Whilst using such boards does lead to economies of manufacture, it remains the case that however accurately they are cut, and however accurate are junctions of edges of tray sides with the cover plate, there is an unavoidable likelihood of loadings, even nominal loadings, causing springing of tray sides outwardly at medial positions, a phenomenon known as "birds-mouthing" for obvious reasons.
  • a flooring panel comprises a rectangular tray with free edges of all upstanding side-walls bent outwardly to form flanging, a rectangular cover plate secured at positions adjacent each of its edges to such flanging, and load-sustaining board substantially filling the tray and bonded thereto and to the cover plate at its major surfaces, say using contact adhesive.
  • Suitable board includes resin-bonded particle board, say of wood chip type, silicate or fibre boards, plywood, blockboard, hardboard, etc. preferably as available at economic cost and with adequate load sustaining properties for the construction details actually used.
  • Suitable adhesive preferably has a high resistance to creep, basically is hard but not brittle. Rubber-based adhesives are susceptible to creep and "give" and should be avoided.
  • Both of such securement provisions are able to satisfy achievement of good electrical contact between metal trays and covers, thereby assuring equipotential bonding/connection conditions further applying to normal securement by metal screws through to metal support pedestals.
  • a flooring panel 10 comprises, for assembly, a lower tray 12 conveniently formed by pressing or drawing metal sheet and having a base 12B and upstanding side walls 12S whose free end portions are turned outwardly to present flanging 12F; an upper cover plate 14 having a main central 14C coextensive with the tray 12 including its flanging 12F and downwardly turned free edges portions 14E, i.e. as a rather shallow inverted tray also conveniently formed by pressing or drawing sheet metal; and a particle board 16 substantially to fill the space between the lower tray 12 and the upper cover plate tray 14.
  • Adhesive layer 18B is shown extending up sides 12S of the tray 12.
  • Completion of assembly is by forming return bends 14R in the initially depending edges (14E) of the cover tray 14 (see Figure 2) in a manner clenching about the flanging 12F of the lower tray 12.
  • Figure 1 Adjacent to corners of the cover plate 14 and particle board 16, Figure 1 shows registering holes 19C and 19P, and there will be corresponding holes (not shown) in the base of tray 12, so as to enable mounting of the panel 10 at its corner onto a pedestal (not shown).
  • a standard size for metal encased flooring panels 10 hereof is 600 mm x 600 mm (though that should obviously not be taken as limiting), and we find that using galvanised steel of about 0.5 mm thickness for the cover tray 14, and of about 0.7 mm to about 1.2 mm thickness for the lower tray 12, and having the two trays encase particle board (Class II) of 30 mm thickness, results in capability of achieving "point" loadings (on a 25 mm square) of from about 3 Kilonewtons to about 4.5 Kilonewtons, which those skilled in the art will, we believe, find impressive, and surprising from such a simple construction.
  • FIG. 3 An alternative way of achieving connection between a cover plate 24 and a flanged tray 22 is indicated in Figure 3, where the cover plate 24 is flat through to the edges (effectively omitting the edge-adjacent down turns 14E) and is welded, see 25, to the flanging 22F, preferably from the flanging side.
EP19880304782 1987-05-28 1988-05-26 Bodenpaneel Ceased EP0295801A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB878712507A GB8712507D0 (en) 1987-05-28 1987-05-28 Flooring panels
GB8712507 1987-05-28

Publications (2)

Publication Number Publication Date
EP0295801A2 true EP0295801A2 (de) 1988-12-21
EP0295801A3 EP0295801A3 (de) 1991-02-06

Family

ID=10618016

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19880304782 Ceased EP0295801A3 (de) 1987-05-28 1988-05-26 Bodenpaneel

Country Status (2)

Country Link
EP (1) EP0295801A3 (de)
GB (2) GB8712507D0 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE461161B (sv) * 1988-12-12 1990-01-15 Ramnaes Konstr Tek Ab Golvvaermeplatta
GB0419655D0 (en) * 2004-09-06 2004-10-06 Furmanite Internat Ltd Building panels

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH371579A (de) * 1957-02-18 1963-08-31 Ebener Fritz Bodenplatte aus Stahlblech
US3548559A (en) * 1969-05-05 1970-12-22 Liskey Aluminum Floor panel
DE2004101A1 (de) * 1970-01-30 1971-11-11 Mero Ag Verfahren zur Herstellung von Verbund-Bauplatten
GB2130615A (en) * 1982-11-23 1984-06-06 Clifford Sidney Bundy Floor panels
US4453365A (en) * 1981-12-29 1984-06-12 Tate Architectural Products, Inc. Edge trim structure for access floor panel
GB2187219A (en) * 1986-02-28 1987-09-03 Mallinson Denny Floor tile or panel with edge of base tray enfolded with edge of lid

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH516709A (de) * 1970-01-30 1971-12-15 Mero Ag Verfahren zur Herstellung von Verbund-Bauplatten

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH371579A (de) * 1957-02-18 1963-08-31 Ebener Fritz Bodenplatte aus Stahlblech
US3548559A (en) * 1969-05-05 1970-12-22 Liskey Aluminum Floor panel
DE2004101A1 (de) * 1970-01-30 1971-11-11 Mero Ag Verfahren zur Herstellung von Verbund-Bauplatten
US4453365A (en) * 1981-12-29 1984-06-12 Tate Architectural Products, Inc. Edge trim structure for access floor panel
GB2130615A (en) * 1982-11-23 1984-06-06 Clifford Sidney Bundy Floor panels
GB2187219A (en) * 1986-02-28 1987-09-03 Mallinson Denny Floor tile or panel with edge of base tray enfolded with edge of lid

Also Published As

Publication number Publication date
GB8812613D0 (en) 1988-06-29
GB2206140B (en) 1991-04-24
GB8712507D0 (en) 1987-07-01
GB2206140A (en) 1988-12-29
EP0295801A3 (de) 1991-02-06

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