EP0468204B1 - Metal sheet or metal strips - Google Patents

Metal sheet or metal strips Download PDF

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Publication number
EP0468204B1
EP0468204B1 EP91110253A EP91110253A EP0468204B1 EP 0468204 B1 EP0468204 B1 EP 0468204B1 EP 91110253 A EP91110253 A EP 91110253A EP 91110253 A EP91110253 A EP 91110253A EP 0468204 B1 EP0468204 B1 EP 0468204B1
Authority
EP
European Patent Office
Prior art keywords
protective film
sheet
sheet metal
strip
metal
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
EP91110253A
Other languages
German (de)
French (fr)
Other versions
EP0468204A1 (en
Inventor
Mathias Tolle
Dietrich Kleffmann
Kurt Kraes
Wulf Binder
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.)
Novelis Deutschland GmbH
Original Assignee
Alcan Deutschland 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 Alcan Deutschland GmbH filed Critical Alcan Deutschland GmbH
Publication of EP0468204A1 publication Critical patent/EP0468204A1/en
Application granted granted Critical
Publication of EP0468204B1 publication Critical patent/EP0468204B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/24—Roof covering by making use of flat or curved slabs or stiff sheets with special cross-section, e.g. with corrugations on both sides, with ribs, flanges, or the like
    • E04D3/30—Roof covering by making use of flat or curved slabs or stiff sheets with special cross-section, e.g. with corrugations on both sides, with ribs, flanges, or the like of metal
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/12—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements of metal or with an outer layer of metal or enameled metal
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/24—Safety or protective measures preventing damage to building parts or finishing work during construction
    • E04G21/30—Safety or protective measures preventing damage to building parts or finishing work during construction against mechanical damage or dirt, e.g. guard covers of stairs

Definitions

  • the invention relates to a sheet metal or sheet metal strip for wall or roof cladding, which sheet sheet or sheet metal strip one or more, e.g. Has fold-forming bends and the like with a surface coating in the form of a varnish. is provided, which is covered by a removable protective film on the coating.
  • a removable protective film on the coating.
  • Such sheets coated in the coil coating process mostly consist of aluminum.
  • the protective film which is usually made of plastic, is used to protect the mostly sensitive surface coating from damage during transport and further processing of the roof and wall cladding sheets, which are cut, folded, laid and rebated, during which the inspection of the laid sheets is done is inevitable.
  • the protective film should, on the one hand, perform its function until the assembly work has been completely completed, that is, only when the metal sheets are no longer exposed to the risk of damage due to foot traffic or other impairments after assembly. On the other hand, when executing For lightning protection reasons, fold connections are not worked into the fold seam and remain jammed there.
  • the protective film has been removed and folded back so far from the edge area of the surface-coated sheet before the seams are produced that the sheet areas to be folded were exposed, but the remaining sheet areas were still as far as possible from damage during further assembly or other construction work , Tools, walking or the like. remained protected by the protective film.
  • This for example, through brochures from Alcan Diffusion S.A. (France) known procedure has the disadvantage, however, that the protective film folded back with the adhesive side up is a hindrance to further work and acts as a dirt trap. The dirt together with the adhesive layer exposed to sunlight forms dark adhesive edges that are difficult to remove on the lacquer layer.
  • the film is often removed by hand further than necessary, which unnecessarily exposes areas in some areas, which are then subject to the risk of damage.
  • the object of the invention is therefore to remedy these disadvantages.
  • This is achieved according to the invention in that the protective film has perforations or similar weakenings arranged in a line, which extend approximately along the fold or the folds of the sheet metal strip or strip or at a distance parallel thereto and for separating a film region adjacent to the perforation lines from the others Areas of the protective film are formed.
  • the invention is not only applicable to sheets to be folded for wall and roof cladding, but can also be transferred to color-coated sheets for other uses when the task arises, the protective film only in parts in an intermediate stage of production in an exact line in a simple manner to remove.
  • the perforation line or weakening line according to the invention is provided at a distance from the sheet metal edge corresponding to the fold width. If there are several folds, it can run along a fold-forming fold or at a suitable distance parallel to it, as required.
  • Fig. 1 shows a section through a flat sheet or a flat sheet metal strip 1 made of aluminum with a surface coating 2, which is glued on by a Plastic film 3 is protected.
  • This plastic film is provided with line-shaped perforations 4 which extend at a distance and parallel to the two side or longitudinal edges of the sheet or sheet web. The distance of these perforation lines 4 from the adjacent sheet metal edges is dimensioned such that it is matched to the distance from the sheet metal edges of the fold to be produced later during sheet metal assembly.
  • Fig. 2 shows a sheet metal strip 1 with surface coating 2 and protective film 3, which is folded twice on one longitudinal edge to form an angular fold 5 and folded three times on its other longitudinal edge to form a U-fold 6. Such folds are used to fold two sheet metal strips of this type laid next to one another in the manner shown in FIGS. 4 and 5.
  • the protective film 3 is provided with a perforation line which extends exactly along the first bend, while on the right triple bend 6 in FIG. 2 the perforation line 4 runs at the crease line of the third bend.
  • 3 and 4 show, on average, in a larger representation, two sheets 1, which are folded together with these folds, with surface coating 2 and protective film 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Finishing Walls (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Abstract

A metal sheet or a metal strip (1) for wall or roof coverings, which sheet or strip is provided with a surface coating (2) in the form of a lacquer or the like, which is covered by a protective film (3) removably applied to the coating (2). According to the invention, the protective film has linearly arranged perforations (4) or similar material weakenings which are constructed for separating one film region adjoining the perforation lines from the remaining regions of the protective film (3). In a metal sheet or a metal strip (1) with one or more, for example, groove-forming edges, the perforation or weakening line (4) advantageously extends approximately along the edge of the metal sheet or of the strip or at a distance parallel thereto. <IMAGE>

Description

Die Erfindung betrifft eine Blechbahn oder einen Blechstreifen für Wand- oder Dachverkleidungen, welche Blechbahn oder welcher Blechstreifen eine oder mehrere, z.B. falzbildende Abkantungen aufweist und mit einer Oberflächenbeschichtung in Form einer Lackierung o.dgl. versehen ist, die durch eine auf die Beschichtung abziehbar aufgeklebte Schutzfolie abgedeckt ist. Solche im Bandbeschichtungsverfahren beschichteten Bleche bestehen meist aus Aluminium. Die in der Regel aus Kunststoff bestehende Schutzfolie dient dazu, die meist empfindliche Oberflächenbeschichtung vor Beschädigungen während des Transportes und der Weiterverarbeitung der Dach- und Wandverkleidungsbleche zu schützen, die zugeschnitten, abgekantet, verlegt und verfalzt werden, wobei während der Montage das Begehen der verlegten Bleche unvermeidlich ist.The invention relates to a sheet metal or sheet metal strip for wall or roof cladding, which sheet sheet or sheet metal strip one or more, e.g. Has fold-forming bends and the like with a surface coating in the form of a varnish. is provided, which is covered by a removable protective film on the coating. Such sheets coated in the coil coating process mostly consist of aluminum. The protective film, which is usually made of plastic, is used to protect the mostly sensitive surface coating from damage during transport and further processing of the roof and wall cladding sheets, which are cut, folded, laid and rebated, during which the inspection of the laid sheets is done is inevitable.

Die Schutzfolie soll einerseits möglichst bis zum vollständigen Abschluß der Montagearbeiten ihre Funktion ausüben, also erst dann, wenn die Bleche nach Montage nicht mehr einer Beschädigungsgefahr durch Begehen oder andere Beeinträchtigungen ausgesetzt sind, abgezogen werden. Andererseits darf sie bei der Ausführung von Falzverbindungen aus Blitzschutzgründen nicht in die Falznaht eingearbeitet und dort verbleibend verklemmt werden.The protective film should, on the one hand, perform its function until the assembly work has been completely completed, that is, only when the metal sheets are no longer exposed to the risk of damage due to foot traffic or other impairments after assembly. On the other hand, when executing For lightning protection reasons, fold connections are not worked into the fold seam and remain jammed there.

Im Hinblick darauf hat man bisher die Schutzfolie vor der Herstellung der Falznähte so weit vom Randbereich des oberflächenbeschichteten Bleches abgezogen und zurückgefaltet, daß die zu verfalzenden Blechbereiche freigelegt waren, die übrigen Blechbereiche aber noch so weit wie möglich vor Beschädigungen bei weiteren Montage- oder anderen Bauarbeiten, Werkzeuge, Begehen o.dgl. durch die Schutzfolie geschützt blieben. Diese beispielsweise durch Prospekte der Firma Alcan Diffusion S.A. (Frankreich) bekannte Verfahrensweise hat jedoch den Nachteil, daß die mit der Klebeseite nach oben zurückgefaltete Schutzfolie bei den weiteren Arbeiten hinderlich ist und als Schmutzfänger wirkt. Der Schmutz zusammen mit der dem Sonnenlicht ausgesetzten Klebstoffschicht bildet auf der Lackschicht schwer entfernbare dunkle Klebstoffränder. Außerdem wird die Folie von Hand häufig weiter abgezogen als notwendig, wodurch bereichsweise Oberflächen unnötig freigelegt werden, die dann der Gefahr von Beschädigungen unterliegen.In view of this, the protective film has been removed and folded back so far from the edge area of the surface-coated sheet before the seams are produced that the sheet areas to be folded were exposed, but the remaining sheet areas were still as far as possible from damage during further assembly or other construction work , Tools, walking or the like. remained protected by the protective film. This, for example, through brochures from Alcan Diffusion S.A. (France) known procedure has the disadvantage, however, that the protective film folded back with the adhesive side up is a hindrance to further work and acts as a dirt trap. The dirt together with the adhesive layer exposed to sunlight forms dark adhesive edges that are difficult to remove on the lacquer layer. In addition, the film is often removed by hand further than necessary, which unnecessarily exposes areas in some areas, which are then subject to the risk of damage.

Der Erfindung liegt daher die Aufgabe zugrunde, diese Nachteile zu beheben. Dies wird erfindungsgemäß dadurch erreicht, daß die Schutzfolie linienförmig angeordnete Perforationen oder dgl. Materialschwächungen hat, die sich etwa entlang der Abkantung oder den Abkantungen der Blechbahn oder des Blechstreifens oder im Abstand parallel dazu erstrecken und zum Abtrennen eines an die Perforationslinien angrenzenden Folienbereichs von den übrigen Bereichen der Schutzfolie ausgebildet sind.The object of the invention is therefore to remedy these disadvantages. This is achieved according to the invention in that the protective film has perforations or similar weakenings arranged in a line, which extend approximately along the fold or the folds of the sheet metal strip or strip or at a distance parallel thereto and for separating a film region adjacent to the perforation lines from the others Areas of the protective film are formed.

Diese Ausbildung ermöglicht es, auf einfache Weise Streifen der Schutzfolie in genau dem erforderlichen Ausmaß von der zu schützenden beschichteten Blechoberfläche abzuziehen und dabei nicht nur mit ihrer Klebeseite nach oben umzuschlagen, sondern völlig zu entfernen. Damit wird verhindert, daß abgezogene Randstreifen mit ihrer die weiteren Arbeiten störenden Klebeseite zurückbleiben. In den übrigen Flächenbereichen bleibt die Schutzfolie randscharf unbeschädigt erhalten und kann bis zum Abschluß der Bauarbeiten den notwendigen Schutz für die empfindliche Oberflächenbeschichtung der Bleche bieten.This design makes it easy to strip the protective film to the extent required by the coating to be protected Peel off the sheet surface and not only turn it up with its adhesive side, but completely remove it. This prevents peeled off edge strips with their adhesive side which disturbs further work. In the remaining areas, the protective film remains undamaged and can provide the necessary protection for the sensitive surface coating of the sheets until the construction work is complete.

Die Erfindung ist nicht nur bei zu verfalzenden Blechen für Wand- und Dachbekleidung anwendbar, sondern läßt sich auch auf farbbeschichtete Bleche für andere Verwendungszwecke übertragen, wenn sich die Aufgabe stellt, die Schutzfolie nur in Teilbereichen in einer Zwischenstufe der Fertigung in exakter Linie auf einfache Weise zu entfernen.The invention is not only applicable to sheets to be folded for wall and roof cladding, but can also be transferred to color-coated sheets for other uses when the task arises, the protective film only in parts in an intermediate stage of production in an exact line in a simple manner to remove.

Bei einer Blechbahn oder einem Blechstreifen, die bzw. der mit einem Verbindungsfalz versehen werden soll oder versehen ist, ist die erfindungsgemäße Perforationslinie oder Schwächungslinie in einem der Falzungsbreite entsprechenden Abstand vom Blechrand vorgesehen. Bei mehreren Falzknickungen kann sie je nach Bedarf entlang einer falzbildenden Abkantung oder in zweckmäßigem Abstand parallel dazu verlaufen.In the case of a sheet metal sheet or a sheet metal strip which is or is to be provided with a connecting fold, the perforation line or weakening line according to the invention is provided at a distance from the sheet metal edge corresponding to the fold width. If there are several folds, it can run along a fold-forming fold or at a suitable distance parallel to it, as required.

In der Zeichnung sind besonders vorteilhafte Ausführungsbeispiele der Erfindung dargestellt, die im folgenden näher beschrieben werden.The drawing shows particularly advantageous exemplary embodiments of the invention, which are described in more detail below.

Fig. 1 zeigt einen Schnitt durch ein ebenes Blech oder einen ebenen Blechstreifen 1 aus Aluminium mit einer Oberflächenlackierung 2, die durch eine aufgeklebte Kunststoffolie 3 geschützt ist. Diese Kunststoffolie ist mit linienförmigen, sich im Abstand und parallel zu den beiden Seiten- oder Längsrändern des Blechs oder der Blechbahn erstreckenden Perforationen 4 versehen. Der Abstand dieser Perforationslinien 4 von den benachbarten Blechrändern ist so bemessen, daß er auf den Abstand der später bei der Blechmontage herzustellenden Abkantung von den Blechrändern abgestimmt ist.Fig. 1 shows a section through a flat sheet or a flat sheet metal strip 1 made of aluminum with a surface coating 2, which is glued on by a Plastic film 3 is protected. This plastic film is provided with line-shaped perforations 4 which extend at a distance and parallel to the two side or longitudinal edges of the sheet or sheet web. The distance of these perforation lines 4 from the adjacent sheet metal edges is dimensioned such that it is matched to the distance from the sheet metal edges of the fold to be produced later during sheet metal assembly.

Fig. 2 zeigt einen Blechstreifen 1 mit Oberflächenlackierung 2 und Schutzfolie 3, welcher an einem Längsrand zur Bildung eines Winkelfalzes 5 zweimal abgekantet und an seinem anderen Längsrand zur Bildung eines U-Falzes 6 dreimal abgekantet ist. Solche Abkantungen dienen dazu, zwei nebeneinander verlegte derartige Blechstreifen in der in Fig. 4 und 5 gezeigten Weise miteinander zu verfalzen. Am Fuße der in Fig. 2 linken Abkantung 5 ist die Schutzfolie 3 mit einer Perforationslinie versehen, die sich exakt längs der ersten Abkantung erstreckt, während an der in Fig. 2 rechten dreifachen Abkantung 6 die Perforationslinie 4 an der Knicklinie der dritten Abkantung verläuft.Fig. 2 shows a sheet metal strip 1 with surface coating 2 and protective film 3, which is folded twice on one longitudinal edge to form an angular fold 5 and folded three times on its other longitudinal edge to form a U-fold 6. Such folds are used to fold two sheet metal strips of this type laid next to one another in the manner shown in FIGS. 4 and 5. At the foot of the bend 5 on the left in FIG. 2, the protective film 3 is provided with a perforation line which extends exactly along the first bend, while on the right triple bend 6 in FIG. 2 the perforation line 4 runs at the crease line of the third bend.

Fig. 3 und 4 zeigen im Schnitt in größerer Darstellungsweise zwei über diese Abkantungen miteinander verfalzte Bleche 1 mit Oberflächenlackierung 2 und Schutzfolie 3. Die von den Perforationslinien 4 gemäß Fig. 2 begrenzten Randstreifen der Schutzfolien 3 sind vor Falzung entfernt worden.3 and 4 show, on average, in a larger representation, two sheets 1, which are folded together with these folds, with surface coating 2 and protective film 3. The edge strips of the protective films 3, delimited by the perforation lines 4 according to FIG. 2, have been removed before folding.

Claims (1)

  1. Sheet metal length or sheet metal strip (1) for wall or roof coverings, which length or strip comprises one or more, e.g. fold-forming bent portions (5, 6) and is provided with a surface coating (2) in the form of a coat of lacquer or similar which is covered by a protective foil (3) which is applied to the coating (2) such that it can be drawn off, characterised in that the protective foil (3) has perforations (4) or material weakenings of this kind which are disposed in linear fashion, extend approximately along the bent portion or portions of the sheet metal length or sheet metal strip (1) or at a distance therefrom and parallel thereto and are formed so that a foil area which adjoins the perforation lines can be separated from the other areas of the protective foil (3).
EP91110253A 1990-07-27 1991-06-21 Metal sheet or metal strips Expired - Lifetime EP0468204B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9011117U DE9011117U1 (en) 1990-07-27 1990-07-27 Sheet metal or sheet metal strip
DE9011117U 1990-07-27

Publications (2)

Publication Number Publication Date
EP0468204A1 EP0468204A1 (en) 1992-01-29
EP0468204B1 true EP0468204B1 (en) 1994-04-13

Family

ID=6856002

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91110253A Expired - Lifetime EP0468204B1 (en) 1990-07-27 1991-06-21 Metal sheet or metal strips

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EP (1) EP0468204B1 (en)
AT (1) ATE104391T1 (en)
DE (2) DE9011117U1 (en)
DK (1) DK0468204T3 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE503442C2 (en) * 1994-11-25 1996-06-17 Ssab Tunnplaat Ab Plastered cladding element and way to coat a steel plate with plaster
EP0892124B1 (en) * 1997-07-14 2004-04-28 Alcan Deutschland Gmbh Peelable protective sheet for metal sheets or strips
DE10018525B4 (en) * 2000-04-15 2016-02-11 Erlus Aktiengesellschaft The weather of exposed roof tiles with hydrophobic surface and method of applying a protective layer on the tile
EP1340614A1 (en) * 2002-02-27 2003-09-03 Corus Bausysteme GmbH Coated metal sheet
US8226791B1 (en) * 2004-02-13 2012-07-24 Bambi Lyn Cahilly Sealing device for a surface

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2099474A (en) * 1981-05-29 1982-12-08 Grace W R & Co Forming a waterproofing layer on a surface using preformed flexible laminates

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Publication number Priority date Publication date Assignee Title
US3318060A (en) * 1965-12-08 1967-05-09 Alsco Inc Dielectric coated aluminum panel siding
DE1778194A1 (en) * 1968-04-04 1971-08-05 Pegulan Werke Ag Multi-layer material cut, in particular for the interior roof cladding of vehicles and the like.
GB1471397A (en) * 1976-05-28 1977-04-27 British Cellophane Ltd Application of synthetic thermoplastic film to metal and coated metal sheets
US4598516A (en) * 1982-09-13 1986-07-08 Groshong Frank E Ceiling finish joint for dry wall partitions and method of making same
NL8302002A (en) * 1983-06-06 1985-01-02 Nbm Aannemingsbedrijf Bv Coating metal plate with plastics foil, adhesive and HF heating - coating edges with strips by local HF heating and using pressure rollers
CH666450A5 (en) * 1983-08-30 1988-07-29 Joerg Horn COLLECTIVE PACKAGE FOR PROTECTIVE COVERS FOR VEHICLE PARTS.
DE3344335A1 (en) * 1983-12-08 1985-06-13 Lohmann Gmbh & Co Kg, 5450 Neuwied LAMINATE SECTIONS WITH COVER AND REMOVAL AID THEREFOR
DE8428908U1 (en) * 1984-10-02 1984-12-06 Nordenia Kunststoffe Peter Mager KG, 2841 Steinfeld Shrink film for packing solid objects with a sensitive surface
DE8704836U1 (en) * 1987-03-25 1987-06-11 Folien Fischer AG, Dottikon Film wrapping for objects, especially product packaging
DD269354A1 (en) * 1988-03-07 1989-06-28 Leuna Werke Veb ADHESIVE

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2099474A (en) * 1981-05-29 1982-12-08 Grace W R & Co Forming a waterproofing layer on a surface using preformed flexible laminates

Also Published As

Publication number Publication date
DK0468204T3 (en) 1994-09-12
EP0468204A1 (en) 1992-01-29
ATE104391T1 (en) 1994-04-15
DE9011117U1 (en) 1990-10-11
DE59101361D1 (en) 1994-05-19

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