WO1978000002A3 - Improvements relating to open flooring - Google Patents

Improvements relating to open flooring Download PDF

Info

Publication number
WO1978000002A3
WO1978000002A3 PCT/GB1978/000035 GB7800035W WO7800002A3 WO 1978000002 A3 WO1978000002 A3 WO 1978000002A3 GB 7800035 W GB7800035 W GB 7800035W WO 7800002 A3 WO7800002 A3 WO 7800002A3
Authority
WO
WIPO (PCT)
Prior art keywords
bars
longitudinal bars
flooring
intermediate elements
transverse
Prior art date
Application number
PCT/GB1978/000035
Other languages
French (fr)
Other versions
WO1978000002A2 (en
Inventor
R Skidmore
Original Assignee
Redman Fisher Eng 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 Redman Fisher Eng Ltd filed Critical Redman Fisher Eng Ltd
Publication of WO1978000002A2 publication Critical patent/WO1978000002A2/en
Publication of WO1978000002A3 publication Critical patent/WO1978000002A3/en

Links

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
    • E04C2/30—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
    • E04C2/421—Gratings; Grid-like panels made of bar-like elements, e.g. bars discontinuous in one direction
    • E04C2/422—Gratings; Grid-like panels made of bar-like elements, e.g. bars discontinuous in one direction with continuous bars connecting at crossing points of the grid pattern
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D47/00—Making rigid structural elements or units, e.g. honeycomb structures
    • B21D47/005—Making gratings

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Floor Finish (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Ceramic Products (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Railway Tracks (AREA)

Abstract

The invention relates to open flooring comprising a plurality of longitudinal bars (10) connected together by transverse bars (11) each of which extends across a number of the longitudinal bars. In the gaps between adjacent longitudinal bars there are provided rectilinear intermediate elements (12) which have a smaller cross section than do the longitudinal bars. The upper edges of the transverse bars lie in the same plane as the upper-edges of the longitudinal bars. The intermediate elements are secured beneath the transverse bars. In manufacture of the flooring the longitudinal bars and intermediate elements are supported in the required relative positions and the transverse bars are then secured by forge welding.
PCT/GB1978/000035 1977-12-02 1978-11-02 Improvements relating to open flooring WO1978000002A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB50250/77 1977-12-02
GB50250/77A GB1593869A (en) 1977-12-02 1977-12-02 Open flooring

Publications (2)

Publication Number Publication Date
WO1978000002A2 WO1978000002A2 (en) 1978-12-07
WO1978000002A3 true WO1978000002A3 (en) 1979-02-08

Family

ID=10455233

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1978/000035 WO1978000002A2 (en) 1977-12-02 1978-11-02 Improvements relating to open flooring

Country Status (4)

Country Link
FR (1) FR2410712A1 (en)
GB (2) GB1593869A (en)
NO (1) NO783308L (en)
WO (1) WO1978000002A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9507076D0 (en) * 1995-04-05 1995-05-31 Redman Fisher Eng Ltd Flooring grid

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE660199C (en) * 1938-05-19 Hermann Kappert Dipl Ing Cover grille
US2246766A (en) * 1939-04-06 1941-06-24 Kerlow Steel Flooring Co Grating
US2437186A (en) * 1944-05-27 1948-03-02 Carnegie Illinois Steel Corp Grating and method of making the same
US2580185A (en) * 1947-05-14 1951-12-25 Reliance Steel Prod Co Traffic bearing slab
US2645985A (en) * 1950-04-26 1953-07-21 United States Steel Corp Open floor grating
US2747474A (en) * 1952-02-19 1956-05-29 Reliance Steel Prod Co Gratings
US2767627A (en) * 1952-08-30 1956-10-23 Allison Steel Mfg Company Bridge gratings
DE1260751B (en) * 1960-08-13 1968-02-08 Eberspaecher J Grating

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE660199C (en) * 1938-05-19 Hermann Kappert Dipl Ing Cover grille
US2246766A (en) * 1939-04-06 1941-06-24 Kerlow Steel Flooring Co Grating
US2437186A (en) * 1944-05-27 1948-03-02 Carnegie Illinois Steel Corp Grating and method of making the same
US2580185A (en) * 1947-05-14 1951-12-25 Reliance Steel Prod Co Traffic bearing slab
US2645985A (en) * 1950-04-26 1953-07-21 United States Steel Corp Open floor grating
US2747474A (en) * 1952-02-19 1956-05-29 Reliance Steel Prod Co Gratings
US2767627A (en) * 1952-08-30 1956-10-23 Allison Steel Mfg Company Bridge gratings
DE1260751B (en) * 1960-08-13 1968-02-08 Eberspaecher J Grating

Also Published As

Publication number Publication date
FR2410712A1 (en) 1979-06-29
NO783308L (en) 1978-11-20
GB2036149A (en) 1980-06-25
WO1978000002A2 (en) 1978-12-07
GB2036149B (en) 1982-04-21
FR2410712B1 (en) 1982-12-03
GB1593869A (en) 1981-07-22

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