EP1493876B1 - Method for changing the width and/or length of a sandwich construction unit - Google Patents

Method for changing the width and/or length of a sandwich construction unit Download PDF

Info

Publication number
EP1493876B1
EP1493876B1 EP04102241A EP04102241A EP1493876B1 EP 1493876 B1 EP1493876 B1 EP 1493876B1 EP 04102241 A EP04102241 A EP 04102241A EP 04102241 A EP04102241 A EP 04102241A EP 1493876 B1 EP1493876 B1 EP 1493876B1
Authority
EP
European Patent Office
Prior art keywords
unit
core element
surface sheets
element material
edge
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
EP04102241A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1493876A1 (en
Inventor
Jim Willberg
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.)
Paroc Hold Oy AB
Original Assignee
Paroc Oy AB
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 Paroc Oy AB filed Critical Paroc Oy AB
Publication of EP1493876A1 publication Critical patent/EP1493876A1/en
Application granted granted Critical
Publication of EP1493876B1 publication Critical patent/EP1493876B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
    • E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
    • E04C2/292—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and sheet metal
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38—Connections for building structures in general
    • E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
    • E04B1/6108—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together
    • E04B1/612—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces
    • E04B1/6125—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces with protrusions on the one frontal surface co-operating with recesses in the other frontal surface

Definitions

  • the present invention relates to a method for changing the width and/or length of a sandwich construction unit, said construction unit comprising a core element of a thermally insulating material, having surface sheets attached to its two opposite major surfaces.
  • a sandwich construction unit comprising a core element of a thermally insulating material, having surface sheets attached to its two opposite major surfaces.
  • Such construction elements are commonly known, see e.g. GB 2 227 261 A .
  • Sandwich construction units are typically manufactured on a production line in certain modular sizes, e.g. in a width of 1200 mm. Occasionally, however, it is necessary to use a unit narrower than the standard width, for example for the highest row of units in a system of tongued-and-grooved units to be mounted on top of each other, or along a row of windows, which causes problems, especially in cases that such a narrower unit must also have both of its opposite edges profiled.
  • a method of the invention comprises splitting and/or breaking the unit by cutting it longitudinally and/or laterally along a desired line, followed by removing a piece of core element material from alongside the cut edge to enable edge-profiling devices to fit in a space between the surface sheets, followed by reprofiling the cut edge of the surface sheets and by replacing the removed piece of core element material with a fresh piece of core element material.
  • the method is applied to a construction unit, which construction unit comprises a core element of a thermally insulating material, having edge-profiled surface sheets attached to its two opposite major surfaces with a bonding agent, whereby, in the process of manufacturing the unit, the method comprises coating the inner surface of the unit's surface sheets along a desired cutting line of the unit with a relatively narrow protective layer extending longitudinally and/or laterally of the unit for preventing the adherence of a bonding agent to the inner surface of a surface sheet, followed by attaching the surface sheets to the core element by means of the bonding agent, whereafter the unit is cut along said protective layer and the necessary removal of core element material is performed prior to reprofiling the edge.
  • the method is applied to a construction unit, in which construction unit a core element is formed by foaming a thermally insulating material into a space between two surface sheets, whereby the foamed core element material adheres to the surface sheets, whereby, in the process of manufacturing the unit, the method comprises coating the inner surface of the unit's surface sheets along a desired cutting line of the unit with a relatively narrow protective layer extending longitudinally and/or laterally of the unit for preventing the adherence of a foamed core element material to the inner surface of a surface sheet, followed by foaming the core element material into a space between the surface sheets, whereafter the unit is cut along said protective layer and the necessary removal of core element material is performed prior to profiling the edge.
  • the unit shown by way of example in the figures comprises a core element 2 of a thermally insulating material, such as, for example, mineral wool, having surface sheets 3 and 4 attached to its opposite surfaces by means of a bonding agent, the opposite lengthwise edges of said sheets being formed with edge profiles 5 and 6 for fastening adjacent units to each other with a tongue-and-groove joint.
  • the tongue is represented by reference numeral 5 and the groove by reference numeral 6.
  • the unit 1 is first split along a desired line to a certain width, e.g. by means of a saw represented in fig. 2 by reference numeral 10. This is followed by removing from the unit a piece of core element material from alongside a split edge 5a, for example to the depth of about 50 mm, and possible traces or residues of the bonding agent and/or thermally insulating material are finally scraped off the sheet's inner surface.
  • the removal of the thermally insulating material can be performed for example by means of a plane device 7 shown in fig. 3 .
  • fig. 5 illustrates a split unit 1 formed with a new profile 5, the formation of said edge profile being followed by replacing a fresh piece of thermally insulating material 2b in the vacated space between the surface sheets 3 and 4. After this, the narrowed unit is ready for service.
  • the added piece of thermally insulating material 2b may consist of previously removed thermally insulating material or it may consist of a fresh thermally insulating material, possibly even a material other than the previous one.
  • Fig. 1 depicts one preferred implementation of the method, in which the unit's surface sheets 3 and 4 are first coated with a protective layer 9 along a desired cutting line, prior to attaching the surface sheets to the core element 2.
  • the protective layer can be applied prior to profiling the surface sheets 3, 4 on a production line, or during or after the profiling process.
  • the protective layer may comprise, for example, a tape or an adhesive film, or a liquid material which sets on the inner surface of a surface sheet to form a desired protective layer, or a greasy type of material, and said protective layer being relatively easily removable from the sheet's inner surface.
  • this protective layer 9 By virtue of this protective layer 9, the removal of a bonding agent, intended for the attachment of a core element and particularly a core element and a surface sheet, to be performed after splitting the unit, will be considerably easier from alongside a cut edge than the removal of a bonding agent from the surface sheets' inner surface by scraping or in a similar fashion.
  • the inventive method can be carried out either on an installation site or completed in a factory, as the case may be.
  • the inventive method can be used for the shortening of a unit and it is also applicable to reducing the width and/or length of units with all edges tongued and grooved.
  • the core element material may comprise e.g. mineral wool or a corresponding heat insulating material, which is attached by means of a bonding agent to surface sheets, or the thermally insulating material may comprise a foamed material, which adheres directly to surface sheets when applied in a space between the surface sheets.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)
  • Soil Working Implements (AREA)
  • Building Environments (AREA)
  • Basic Packing Technique (AREA)
  • Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
  • Pinball Game Machines (AREA)
EP04102241A 2003-06-30 2004-05-21 Method for changing the width and/or length of a sandwich construction unit Expired - Lifetime EP1493876B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20035114A FI120371B (fi) 2003-06-30 2003-06-30 Menetelmä sandwich-rakennuselementin leveyden ja/tai pituuden muuttamiseksi
FI20035114 2003-06-30

Publications (2)

Publication Number Publication Date
EP1493876A1 EP1493876A1 (en) 2005-01-05
EP1493876B1 true EP1493876B1 (en) 2012-03-07

Family

ID=8566447

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04102241A Expired - Lifetime EP1493876B1 (en) 2003-06-30 2004-05-21 Method for changing the width and/or length of a sandwich construction unit

Country Status (5)

Country Link
EP (1) EP1493876B1 (fi)
AT (1) ATE548522T1 (fi)
DK (1) DK1493876T3 (fi)
FI (1) FI120371B (fi)
NO (1) NO331636B1 (fi)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2227261B (en) * 1988-10-06 1992-11-18 Keysan Ltd Wall and method of partitioning the interior of a building
US5293728A (en) * 1992-09-17 1994-03-15 Texas Aluminum Industries, Inc. Insulated panel
AUPP289898A0 (en) * 1998-04-09 1998-05-07 Unipanel Pty Ltd A building panel

Also Published As

Publication number Publication date
FI20035114A (fi) 2004-12-31
NO331636B1 (no) 2012-02-13
EP1493876A1 (en) 2005-01-05
FI120371B (fi) 2009-09-30
DK1493876T3 (da) 2012-06-11
NO20042286L (no) 2005-01-03
FI20035114A0 (fi) 2003-06-30
ATE548522T1 (de) 2012-03-15

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