EP1504827A1 - Tôle ou bande métallique - Google Patents

Tôle ou bande métallique Download PDF

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Publication number
EP1504827A1
EP1504827A1 EP04254782A EP04254782A EP1504827A1 EP 1504827 A1 EP1504827 A1 EP 1504827A1 EP 04254782 A EP04254782 A EP 04254782A EP 04254782 A EP04254782 A EP 04254782A EP 1504827 A1 EP1504827 A1 EP 1504827A1
Authority
EP
European Patent Office
Prior art keywords
strip material
column
deformations
columns
strip
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.)
Withdrawn
Application number
EP04254782A
Other languages
German (de)
English (en)
Inventor
Jonathan Leslie Evans
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1504827A1 publication Critical patent/EP1504827A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • B21D13/00—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form
    • B21D13/04—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form by rolling
    • 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
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/08—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of metal, e.g. sheet metal
    • 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
    • E04C2/32—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 formed of corrugated or otherwise indented sheet-like material; composed of such layers with or without layers of flat sheet-like material
    • E04C2/326—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 formed of corrugated or otherwise indented sheet-like material; composed of such layers with or without layers of flat sheet-like material with corrugations, incisions or reliefs in more than one direction of the element

Definitions

  • This invention relates to sheet or strip material, hereinafter referred to as strip material, and is particularly concerned with metal strip material, such as a mild steel strip, and the processing thereof.
  • a main intended use of metal strip of the invention is in a partitioning systems, such as those comprising a series of vertical steel elements (studs with a lipped channel shaped cross-sectional profile) and top and bottom channels for these to be received in (tracks with a channel shaped cross-sectional profile).
  • a partitioning systems such as those comprising a series of vertical steel elements (studs with a lipped channel shaped cross-sectional profile) and top and bottom channels for these to be received in (tracks with a channel shaped cross-sectional profile).
  • the studs will be fixed top and bottom to the tracks using self tapping screws.
  • Plasterboard is attached to either side of the resulting framework using a series of screws along the length of the studs and tracks. Deformations are required in the strip material due to the need for plasterboard screws to locate firmly into the metal of the framework. The inclusion of such deformations provides a challenge to configure the stiffness of the strip metal material in the most effective manner.
  • An object of the invention is to provide strip material having improved, preferably optimised, bending strength/stiffness about a longitudinal axis.
  • strip material having a plurality of rectilinear columns of spaced deformations, the deformations in one column being offset/staggered relative to the deformations in the or each column next thereto, such that any straight line on a surface of the material perpendicular to the columns must pass through a deformation.
  • the strip material is formed flat between each column and the offset column next thereto.
  • the strip material is formed with parallel corrugations, each column of deformations being at one side of the material in a crest of the corrugations.
  • the troughs between said crests do not contain such deformations.
  • a method of manufacturing strip material comprises passing undeformed or substantially undeformed strip material through the nip of two rolls, one of which is of male toothed form and the other of which is either of corresponding female form or is of corresponding axially splined form, the male teeth being in a plurality of rectangular columns, the teeth in one column being offset/staggered relative to those in the or each column next thereto.
  • the processed strip material is formed with an offset flat pattern, whilst with the male and splined forms, the processed strip material is formed with an offset ribbed pattern. In both cases however the longitudinal strength/stiffness, i.e. its resistance to bending is improved.
  • Figure 1 shows a planar, elongate metal strip, preferably of galvanised mild steel, which is processed according to one aspect of the invention to produce an offset flat pattern along its length consisting of a number of equispaced parallel columns 10 of deformations.
  • the deformations are in the form of depressions 11, whilst the material deformed out of the plane of the strip at said one side to form the depressions, correspondingly forms equivalent projections (not shown) at the other side of the strip.
  • each depression has a innermost central square base 12 from each of the four sides of which extends a sloping frustoconical surface 13.
  • each projection has a central square flat crest from each of the four sides of which depends an outwardly sloping frustoconical surface.
  • one pair of opposite sides of the square base 12 and also of the square at the open end of each depression is parallel to the length of the strip material, whilst the other pair of sides is perpendicular thereto, i.e. parallel to the rectilinear columns 10 which extend regularly spaced transversely across the width of the strip.
  • the deformations (projections and depressions) in one column are offset/staggered relative to the deformations in the respective columns at opposite sides thereof.
  • the offsetting is by approximately half the distance between adjacent depressions/projections in a column.
  • the centre of the depression in one column will be aligned with the metal between a pair of depressions in the next column, and so on.
  • any straight line on either surface of the strip material which is perpendicular to the columns, i.e. which extends longitudinally of the strip material must pass through a deformation.
  • the metal between adjacent columns of deformations is plain, undeformed, i.e. flat, as was the original sheet, and rectilinear.
  • the opposite longitudinal edges of the strip are shown plain, undeformed, merely due to the tool used being insufficiently wide to deform the strip across its whole width, as would normally be the case.
  • Figures 3 and 4 show two co-acting rolls which are used to manufacture the strip material shown in Figure 1, these being operated in a conventional manner as is well known from the prior art referred to in the introduction hereof. Accordingly the roll 14 shown in Figure 3 has a series of spaced axial columns of spaced teeth 15, with each tooth being shaped to produce the depression 11 and corresponding projection described in relation to the columns of deformations in Figure 1. Accordingly each tooth matches the described shape of a projection at the side of the strip which is not visible in Figure 1.
  • the roll shown in Figure 4 is the corresponding mating female roll 16 which rotates on a parallel axis to the axis of rotation of the roll 14, with two rolls being placed in the same vertical plane so that with the sheet to be processed being passed through the nip of the two rolls the teeth 14 deform the material of the strip and force it into the depression 17 of roll 16 thereby forming the depressions and projections of the Figure 1 embodiment.
  • the column of teeth 15 are alternatively relatively offset, as are the columns of depressions 17, in order to produce the offset/staggered columns of deformations shown in Figure 1.
  • the offset flat pattern has now been replaced by an offset ribbed pattern with the strip, in side view, being corrugated, with troughs and crests of the corrugations alternating at respective opposite sides of the strip.
  • the strip in side view, being corrugated, with troughs and crests of the corrugations alternating at respective opposite sides of the strip.
  • each column of depressions and projections is formed along a corrugation so that there are no 'flat' spaces between the depressions/projections in each column.
  • the metal between alternate staggered/offset columns of deformations is no longer flat but is formed of troughs (or crests) in longitudinal cross-section.
  • the corrugations are denoted by the numeral 20 whilst the projections are denoted by the numeral 21, with the corresponding depressions being on the opposite side of the strip which is not visible.
  • the 'flat' male/female strip of Figure 1 is the purest form of the invention.
  • the 'splined roll' embodiment producing material with a ribbed appearance ( Figure 2) is an alternative which also achieves the desired effect, but by using a much cheaper roll opposing the male roll.
  • the use of the male toothed roller 14 again produces the offsetting/staggering of adjacent columns of projections and depressions so that with the Figure 2 strip, any straight line on a surface of the material which is perpendicular to the lateral columns of deformations must pass through a deformation, in contrast to the prior art arrangements where since the deformations are not so staggered, straight lines can be drawn of significantly reduced cross-sectional thickness.
  • the strength of the strip material is maximised, given that any bend about a longitudinal axis will be resisted by it having to pass through the deformations referred to. In other words it is improved over the prior art where a bend through flatter material along the length of the strip material will be facilitated and thus not provide the same level of resistance to longitudinal compression as with the present invention.
  • the material's stiffness along the length of the stud is much less important, as the profile's cross-section provides a much higher degree of stiffness. In the direction which prevents bending of the stud and track 'legs', the material stiffness is much more important.
  • the 'offsetting/staggering' breaks up any possible bending axis for a 'leg', and constitutes inventive concept of the present invention.
  • the offset deformations must at least 'overlap' the deformations in an adjacent column. By definition, this results in a vertical plane through which the cross-section is linear and hence weak.
  • this is not important since the stiffness in that vertical plane is provided by the cross-section of the profile. The greater the 'overlap' of the deformations, the more convoluted the rectilinear path, and therefore the greater the resistance to bending.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
EP04254782A 2003-08-07 2004-08-09 Tôle ou bande métallique Withdrawn EP1504827A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0318474A GB0318474D0 (en) 2003-08-07 2003-08-07 Sheet or strip material
GB0318474 2003-08-07

Publications (1)

Publication Number Publication Date
EP1504827A1 true EP1504827A1 (fr) 2005-02-09

Family

ID=27839767

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04254782A Withdrawn EP1504827A1 (fr) 2003-08-07 2004-08-09 Tôle ou bande métallique

Country Status (2)

Country Link
EP (1) EP1504827A1 (fr)
GB (1) GB0318474D0 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007046116A1 (fr) * 2005-10-20 2007-04-26 Metalmeccanica Meridionale S.P.A. Galet de formage pour formage a froid double d'une feuille, appareil et processus de realisation dudit galet
WO2011134664A1 (fr) * 2010-04-28 2011-11-03 Dbw Holding Gmbh Semi-produit plan en métal, procédé de fabrication et éléments structuraux associés

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR59765E (fr) * 1949-11-21 1954-07-19 Mannesmann Roehren Werke Ag Tôle ondulée et ses applications
GB2051909A (en) * 1979-06-20 1981-01-21 Tate Architectural Products Rigid flexure-resistant structural member and composite panel including same
WO1995005571A2 (fr) * 1993-08-04 1995-02-23 Insilco Corporation, Thermal Components Division Tube de radiateur, procede et dispositif de fabrication
WO1996041691A1 (fr) * 1995-06-10 1996-12-27 Metsec Plc Bande metallique
GB2302106A (en) * 1995-06-10 1997-01-08 Metsec Plc Enhancing rigidity of metal strip material

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR59765E (fr) * 1949-11-21 1954-07-19 Mannesmann Roehren Werke Ag Tôle ondulée et ses applications
GB2051909A (en) * 1979-06-20 1981-01-21 Tate Architectural Products Rigid flexure-resistant structural member and composite panel including same
WO1995005571A2 (fr) * 1993-08-04 1995-02-23 Insilco Corporation, Thermal Components Division Tube de radiateur, procede et dispositif de fabrication
WO1996041691A1 (fr) * 1995-06-10 1996-12-27 Metsec Plc Bande metallique
GB2302106A (en) * 1995-06-10 1997-01-08 Metsec Plc Enhancing rigidity of metal strip material

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007046116A1 (fr) * 2005-10-20 2007-04-26 Metalmeccanica Meridionale S.P.A. Galet de formage pour formage a froid double d'une feuille, appareil et processus de realisation dudit galet
WO2011134664A1 (fr) * 2010-04-28 2011-11-03 Dbw Holding Gmbh Semi-produit plan en métal, procédé de fabrication et éléments structuraux associés
CN102869462A (zh) * 2010-04-28 2013-01-09 Dbw控股有限公司 金属制成的平的半成品及其制法和由其制成的部件
US9802241B2 (en) 2010-04-28 2017-10-31 Dbw Holding Gmbh Flat semi-finished product made of metal and methods for producing same as well as components thereof

Also Published As

Publication number Publication date
GB0318474D0 (en) 2003-09-10

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