EP1772206B1 - Thin plate, method for manufacturing a thin plate, and apparatus for manufacturing a thin plate - Google Patents

Thin plate, method for manufacturing a thin plate, and apparatus for manufacturing a thin plate Download PDF

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Publication number
EP1772206B1
EP1772206B1 EP06121479A EP06121479A EP1772206B1 EP 1772206 B1 EP1772206 B1 EP 1772206B1 EP 06121479 A EP06121479 A EP 06121479A EP 06121479 A EP06121479 A EP 06121479A EP 1772206 B1 EP1772206 B1 EP 1772206B1
Authority
EP
European Patent Office
Prior art keywords
protrusions
thin plate
depressions
separate
extending
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.)
Revoked
Application number
EP06121479A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1772206A1 (en
Inventor
Keijo Kuunila
Janne Tanhuanpää
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.)
Rautaruukki Oyj
Original Assignee
Rautaruukki Oyj
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
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Application filed by Rautaruukki Oyj filed Critical Rautaruukki Oyj
Priority to PL06121479T priority Critical patent/PL1772206T3/pl
Publication of EP1772206A1 publication Critical patent/EP1772206A1/en
Application granted granted Critical
Publication of EP1772206B1 publication Critical patent/EP1772206B1/en
Revoked legal-status Critical Current
Anticipated expiration legal-status Critical

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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

  • the invention relates to a thin plate, according to the preamble of claim 1, whose both sides are provided with protrusions while corresponding depressions are provided on a side of the thin plate opposite to the protrusions.
  • the invention further relates to an apparatus according to the preamble of claim 11 for manufacturing a thin plate whose both sides are provided with protrusions while corresponding depressions are provided on a side of the thin plate opposite to the protrusions, the apparatus comprising a pair of rolls whose outer surface is provided with teeth and which are arranged to rotate in different directions with respect to one another around parallel axles and to be spaced apart from one another such that during operation, the teeth of a first/second roll extend to cavities provided in a second/first roll, whereby the thin plate is provided with protrusions/depressions as it travels between the rolls.
  • the invention still further relates to a method according to the preamble of claim 20 for manufacturing a thin plate, the method comprising providing both sides of the thin plate with protrusions while corresponding depressions are provided on a side of the thin plate opposite to the protrusions.
  • Prior art thin plates comprise dot-like, short and line-shaped protrusions on a first and a second side thereof while corresponding depressions are provided on an opposite side of the this plate.
  • Thin plates also exist which comprise continuous uninterrupted protrusions and depressions which extend in one or more predetermined directions of the thin plate.
  • Such protrusions are conventionally provided in the thin plates by embossing or stamping, and they generally serve to increase the stiffness of the thin plate for desired uses.
  • embossing refers to providing the surface of a plate with an embossing pattern by means of a rotary tool.
  • Stamping in turn, herein refers to compression moulding or deep drawing.
  • Such embossed prior art thin plates are disclosed e.g. in publications WO94/12294 and EP0279798 , on which the preambles of claims 1, 11 and 20 are based.
  • a problem with the above-described arrangement is that the prior art protrusion and depression embossing patterns as such are not suitable for all uses in which the thin plate is to have different characteristics in different directions.
  • Regular dot-like embossing patterns generally also provide a relatively regular stiffening in different directions.
  • using uninterrupted protrusions/depressions makes the thin plate stiffen substantially in the direction of these uninterrupted protrusions/depressions only.
  • using uninterrupted protrusions exclusively makes the thin plate more difficult to employ in different structures where e.g. screw fastenings are necessary since such a plate provides no spot where to arrange a screw or another fastening element such that it will not slip while being tightened.
  • Such aforementioned embossing patterns are generally mainly used for providing metallic materials with a desired look.
  • An object of the invention is thus to provide a thin plate, an apparatus for manufacturing a thin plate, as well as a method for manufacturing a thin plate so as to enable the aforementioned problems to be solved.
  • the object of the invention is achieved by a thin plate according to claim 1.
  • the object of the invention is further achieved by an apparatus according to claim 11, and by a method according to claim 20.
  • Claim 32 refers to uses of the thin plate according to the invention.
  • a thin plate which on its first side comprises protrusions extending in a first direction and, between the protrusions, separate depressions in succession in the first direction.
  • These successive depressions constitute protrusions on one side of the thin plate; similarly, on the opposite side, the uninterrupted protrusions constitute depressions such that the depressions corresponding to all protrusions are, correspondingly, provided on the side of the thin plate opposite to the protrusions.
  • These separate depressions may have a desired shape, they may be e.g. dot-like or line-shaped.
  • dot-like refers to a separate depression or protrusion which may have the shape of a circle, square, oval, triangle or any other polygon or the like.
  • Line-shaped in turn, herein refers to an elongated depression which has a predetermined size and which may have the shape of e.g. a square, oval or a line in general; however, it does not have to be absolutely straight but it may be curved or otherwise winding.
  • the definition that the depressions reside between the protrusions herein means that the depressions do not extend or they are not located above the protrusions or they do not intersect with the protrusions, but are situated completely within the area between the protrusions such that the protrusions extend uninterruptedly in a first direction of the thin plate. Similarly, the corresponding separate protrusions residing on the other side of the thin plate are situated between the uninterrupted depressions.
  • a first side of the thin plate is provided with continuous uninterrupted protrusions which continue along the entire length of the thin plate in order to stiffen the thin plate in the direction of these uninterrupted protrusions.
  • the areas between these protrusions are further provided with separate depressions in succession in the direction of the protrusions.
  • An advantage of the solution according to the invention is that using the uniform uninterrupted protrusions extending in a given direction makes the thin plate even stiffer in the direction of these protrusions. At the same time, the stiffness of the thin plate changes with respect to the uninterrupted protrusions in a traverse direction.
  • the solution of the invention thus enables the stiffening effect provided by the uninterrupted protrusions to be utilized, and further, desired stiffness characteristics to be achieved for the thin plate in a direction traverse to these uninterrupted protrusions by arranging separate depressions therebetween.
  • the thin plate may be provided with the desired characteristics while at the same time the stiffness of the thin plate may be made to increase or decrease in the direction of the uninterrupted protrusions as well. It is thus possible to provide the thin plate with a dynamic stiffness in a desired direction, which in many structures plays an important role e.g. for airborne sound insulation.
  • the separate depressions residing between the uninterrupted protrusions provide advantageous places for screws and other fastening means, so that they do not slide along the surface of the plate but stop at a depression, which, in turn, considerably alleviates procedures at a working site.
  • a thin plate herein refers to any plate-like product, which may be made of metal, such as steel, sheet steel, copper, aluminium, or any other metal, plastic, or other corresponding plate-like material which can be processed by embossing or stamping.
  • Figure 1 schematically shows a first side of a thin plate according to the present invention.
  • Figure 2 schematically shows a second side of the thin plate of Figure 1 .
  • Figure 1 shows an embodiment of a thin plate 1 according to the present invention whose first side is provided with uninterrupted and uniform protrusions extending in one direction and having a predetermined distance between one another; these are designated in the thin plate 1 by broken lines 2 and they extend in a first direction of the thin plate 1.
  • These protrusions 2 are arranged at predetermined intervals and provided with a predetermined width, according to a desired stiffness of the thin plate. They may be provided e.g. at intervals of 4 mm, having a width of 1 mm.
  • the direction in which these protrusions 2 extend may be as desired and made suitable for a given use. In other words, they may extend in a longitudinal or a lateral direction of a thin plate 1 being manufactured, or at an angle with respect to the longitudinal and lateral directions thereof. The most important point is that in their direction they extend uninterruptedly along the entire length of the thin plate 1.
  • separate depressions 4 are further provided in succession in a first direction, i.e. in the longitudinal direction of the protrusions 2. These depressions are thus provided between the uninterrupted protrusions 2 such that they do not substantially extend above the protrusions and do not intersect therewith. Between two adjacent protrusions 2, the depressions 4 form a line of successive depressions 4, wherein a distance between the successive depressions 4 may vary as desired. Between two adjacent protrusions 2, two or more adjacent separate depressions 4 may also be provided such that these adjacent depressions are repeated in succession between the protrusions 2 and in the direction thereof.
  • the depressions 4 may have a desired shape, e.g. that of a dot or a line.
  • Dot-like refers to a separate depression or protrusion which may have the shape of a circle, square, oval, triangle or any polygon or the like.
  • Line-shaped, in turn, herein refers to a longitudinal depression which has a predetermined size and which may have the shape of e.g. a square, oval or a line in general; however, it does not have to be absolutely straight but it may be curved or otherwise winding. Even the line-shaped depressions 4 do not extend above the protrusions 2; nor do they intersect therewith. These line-shaped depressions 4 may be substantially parallel with respect to the uninterrupted protrusions 2, or at an angle thereto.
  • the line-shaped depressions 4 are at an acute angle with respect to the uninterrupted protrusions 2, but they may also be at an obtuse angle with respect to the protrusions 2 or perpendicular thereto.
  • Line 6 in Figure 1 depicts a shape line which is not a part of the depression 4 itself but which depicts the shape that is formed when producing successive depressions 4 according to Figure 1 .
  • the adjacent depressions 4 residing in adjacent spaces provided by the protrusions 2 form a line designated in broken line 12, which extends at an angle with respect to the protrusions 2 extending in a first direction.
  • this line 12 extends at an acute angle with respect to the direction of the protrusions 2, i.e. the aforementioned first direction.
  • the adjacent depressions 4 residing in the spaces adjacent to the protrusions 2 may also be provided such that the line 12 defined thereby is perpendicular, in which case the depressions 4 reside completely in parallel with respect to the direction of the protrusions 2 or at an obtuse angle thereto.
  • the depressions 4 may further be provided such that their shape, size, orientation and spacing differ at different points of the thin plate, in other words e.g. at edges of the thin plate 1.
  • the adjacent separate line-shaped depressions 4 residing between the protrusions 2 extending in the first direction and/or the successive separate line-shaped depressions 4 residing between two adjacent protrusions may also extend mutually in parallel or in different directions with respect to the protrusions 2.
  • the orientation of the line-shaped depressions 4 refers to their longitudinal direction.
  • a thin sheet 1 In order to manufacture a thin sheet 1 according to the present invention, its both sides are to be provided with protrusions, the corresponding depressions thus being provided on a side of the thin plate opposite to the protrusions.
  • the thin plate 1 on its first side the thin plate 1 comprises protrusions 2 extending uninterruptedly in a first direction and, between the protrusions, separate depressions 4 in succession in the first direction.
  • a second side of the thin plate 1 comprises, correspondingly, depressions 8 and protrusions 10 such that the depressions 8 correspond with the protrusions 2 and the protrusions 10 with the depressions 4 on the first side of the thin plate 1.
  • the shape of the protrusions is always determined in accordance with the depressions on the opposite side, in other words the protrusions are provided by pressing from the opposite side, when the dimensions of the depressions are generally more accurate than those of the protrusions.
  • the thin plate according to the invention may be manufactured e.g. by stamping or embossing.
  • embossing the apparatus comprises a pair of rolls provided with teeth on the outer surfaces thereof and arranged to rotate in different directions with respect to one another around parallel axles and spaced apart from another such that during operation, the teeth of a first/second roll extend to cavities provided in a second/first roll, whereby the thin plate is provided with protrusions/depressions as it travels between the rolls.
  • the teeth of the first roll are provided such that they provide a first side of the thin plate 1 with uninterrupted protrusions 2 extending in a first direction
  • the teeth of the second roll are provided such that they provide the first side of the thin plate 1, between the protrusions 2, with separate depressions 4 in succession in the first direction.
  • the first roll touching the surface of a second side of the thin plate 1 is provided with circumferentially extending teeth which continue uninterruptedly between the ends of the first roll.
  • These circumferential uninterrupted teeth may provide the first roll with one or more circles, in which case the uninterrupted protrusions 2 and depressions 8 being provided in the thin plate extend in parallel with the direction of travel of the thin plate 1 in the apparatus.
  • These circle-forming teeth then extend perpendicularly to the axle of the first roll.
  • these teeth are provided in parallel with the direction of the axle of the first roll such that they extend uninterruptedly between the ends of the first roll, providing the thin plate with uninterrupted protrusions/depressions perpendicular to the direction of travel of the thin plate in the apparatus.
  • these teeth of the first roll may extend sprirally around the first roll, from one end to another, at an angle with respect to the axle of the first roll.
  • the thin plate 1 is then provided with uninterrupted depressions/protrusions at an angle with respect to the direction of travel of the thin plate in the apparatus.
  • the second roll is then to be provided with cavities or grooves corresponding with the teeth of the first roll and capable of receiving the teeth thereof.
  • the second roll is further equipped with separate teeth which provide the space between the protrusions 2 extending in parallel on the first side of the thin plate with separate depressions 4 in order to provide the thin plate 1 with the above-described separate depressions.
  • the first roll thus comprises cavities, grooves or the like for receiving these teeth of the second roll such that the first side of the thin plate is provided with depressions 4 while the second side is provided with protrusions 10 as the thin plate 1 travels between the first and the second rolls.
  • the teeth of the second roll are situated in the slots of the grooves therein which receive the teeth of the first roll such that the teeth of the second roll are not in connection with these grooves therein, in which case the depressions/protrusions provided in the thin plate by the teeth of the second roll are situated between the uninterrupted protrusions/depressions provided in the thin plate by the first roll, but not above them.
  • These teeth of the second roll are provided such that the separate depressions are dot-like or line-shaped, as described above.
  • the teeth may be provided in the second roll in lines in parallel with the axle thereof, in lines at an angle with respect to the axle, or in lines perpendicularly to the axle.
  • the teeth of the second roll may be provided such that the separate depressions 4 are line-shaped and extend at an angle with respect to the protrusions on the first side of the thin plate.
  • the teeth of the second roll may be provided such that the separate line-shaped depressions 4 being formed on the first side of the thin plate extend at an acute angle with respect to the protrusions being formed on the first side of the thin plate.
  • the teeth of the second roll may be provided such that the adjacent separate depressions between the protrusions being provided in the thin plate and extending in the first direction form a line which extends at an angle with respect to the protrusions extending in the first direction.
  • the teeth of the second roll may be provided such that the adjacent separate line-shaped depressions residing between the protrusions extending in the first direction and/or the successive separate line-shaped depressions residing between two adjacent protrusions are mutually parallel with respect to the protrusions.
  • the teeth of the second roll are provided such that the adjacent separate line-shaped depressions residing between the protrusions extending in the first direction and/or the successive separate line-shaped depressions residing between two adjacent protrusions extend mutually in different directions with respect to the protrusions.
  • the teeth of the second roll may be provided such that the separate line-shaped depressions residing between the protrusions extending in the first direction extend in different directions with respect to the protrusions in different areas of the thin plate.
  • the thin plate according to what has been disclosed above and according to the invention may be manufactured by means of the described embossing apparatus or by stamping.
  • such a thin plate provided with embossed patterns may be used when manufacturing different building elements or other structures, such as dividing wall beams, frontal side beam structures for buildings, frontal side panel structures for buildings and roof coverings or the like.
  • the embossing pattern according to the invention stiffens the thin plate such that a thinner thin plate may be utilized for achieving a desired stiffness, which enables materials to be saved.
  • by providing a metallic thin plate with the embossing pattern according to the invention increases the temperature of the thin plate during the embossing procedure, thus tempering the thin plate.
  • the uninterrupted protrusions 2 preferably extend in the longitudinal direction of the beam, stiffening the beam in its longitudinal direction and adjusting the flexibility transverse with respect to the longitudinal direction as desired.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
  • Forging (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Compositions Of Oxide Ceramics (AREA)
EP06121479A 2005-10-07 2006-09-29 Thin plate, method for manufacturing a thin plate, and apparatus for manufacturing a thin plate Revoked EP1772206B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06121479T PL1772206T3 (pl) 2005-10-07 2006-09-29 Cienka płyta, sposób wytwarzania cienkiej płyty oraz urządzenie do wytwarzania cienkiej płyty

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20055541A FI20055541A (fi) 2005-10-07 2005-10-07 Ohutlevy, menetelmä ohutlevyn valmistamiseksi ja laitteisto ohutlevyn valmistusta varten

Publications (2)

Publication Number Publication Date
EP1772206A1 EP1772206A1 (en) 2007-04-11
EP1772206B1 true EP1772206B1 (en) 2009-05-13

Family

ID=35185250

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06121479A Revoked EP1772206B1 (en) 2005-10-07 2006-09-29 Thin plate, method for manufacturing a thin plate, and apparatus for manufacturing a thin plate

Country Status (7)

Country Link
EP (1) EP1772206B1 (da)
AT (1) ATE431203T1 (da)
DE (1) DE602006006771D1 (da)
DK (1) DK1772206T3 (da)
FI (1) FI20055541A (da)
NO (1) NO20064524L (da)
PL (1) PL1772206T3 (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2450765B (en) 2007-11-13 2009-05-20 Hadley Ind Holdings Ltd Sheet material
DE102008035857A1 (de) * 2008-08-28 2010-03-04 Kme Germany Ag & Co. Kg Halbzeug für Bauklempnereiprodukte und Herstellverfahren
DE102010018676B4 (de) * 2010-04-28 2012-02-09 Dbw Holding Gmbh Wärmedämm- oder Isolierblech im Fahrzeugbereich aus einem flächigen Halbzeug aus Metall

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2272662C (en) * 1992-11-21 2007-05-08 Hadley Ind Plc Sheet material, method of producing same and rolls for use in the method
GB2302106B (en) * 1995-06-10 1999-08-25 Metsec Plc Metal strip
GB0130669D0 (en) * 2001-12-21 2002-02-06 Cellbond Ltd Structural component
GB0204873D0 (en) * 2002-03-01 2002-04-17 Hadley Ind Plc Strengthening of sheet materials

Also Published As

Publication number Publication date
EP1772206A1 (en) 2007-04-11
NO20064524L (no) 2007-04-10
DK1772206T3 (da) 2009-08-31
FI20055541A0 (fi) 2005-10-07
DE602006006771D1 (de) 2009-06-25
PL1772206T3 (pl) 2009-07-31
ATE431203T1 (de) 2009-05-15
FI20055541A (fi) 2005-11-04

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