WO2021161238A1 - Procédé de production de panneaux - Google Patents

Procédé de production de panneaux Download PDF

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Publication number
WO2021161238A1
WO2021161238A1 PCT/IB2021/051169 IB2021051169W WO2021161238A1 WO 2021161238 A1 WO2021161238 A1 WO 2021161238A1 IB 2021051169 W IB2021051169 W IB 2021051169W WO 2021161238 A1 WO2021161238 A1 WO 2021161238A1
Authority
WO
WIPO (PCT)
Prior art keywords
foil
sheet metal
edge
free end
shaping
Prior art date
Application number
PCT/IB2021/051169
Other languages
English (en)
Inventor
Simone BORSATO
Original Assignee
Robor Srl
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 Robor Srl filed Critical Robor Srl
Priority to EP21711365.3A priority Critical patent/EP4103790A1/fr
Publication of WO2021161238A1 publication Critical patent/WO2021161238A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/04—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by at least one layer folded at the edge, e.g. over another layer ; characterised by at least one layer enveloping or enclosing a material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/046—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B19/00—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B19/00—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica
    • B32B19/04—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica next to another layer of the same or of a different material
    • B32B19/041—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica next to another layer of the same or of a different material of metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/28—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer comprising a deformed thin sheet, i.e. the layer having its entire thickness deformed out of the plane, e.g. corrugated, crumpled
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/03—3 layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/40—Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/304—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2607/00—Walls, panels
    • 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
    • E04B1/02—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements
    • E04B1/14—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements the elements being composed of two or more materials
    • 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
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/78—Heat insulating elements
    • E04B1/80—Heat insulating elements slab-shaped
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/0004—Joining sheets, plates or panels in abutting relationship

Definitions

  • the invention relates primarily to a method for producing, e.g. continuously, panels formed of two outer sheet metals and an inner layer of insulating material (e.g. glass wool or foamed synthetic material).
  • insulating material e.g. glass wool or foamed synthetic material
  • WO 2010/029587 describes a well-known plant for the production of these panels.
  • the production lines allow manufacturing very long panels (up to 25 m long) but not very wide ones (1100 mm at most). Often the area to be covered is so large that the panels have to form a tessellation when placed on site. To ensure continuity of coverage between a panel and the adjacent one, one of the two sheet metals protrudes from the panel by a certain length, and this overhang is used to overlap the adjacent panel. See e.g. EP1371483 for general information.
  • insulating panels are produced in-line, and preferably continuously, having two outer sheet metals made from a continuous foil of sheet metal and an insulating layer between them, and the foil of sheet metal is formed by the union of a first and second foil of sheet metal.
  • This method is advantageous because it allows for the production of larger panels than the known ones, so the installation of such panels drastically reduces not only the number and time of manpower but also the application aids such as gaskets and fasteners.
  • a larger panel allows for fewer overlaps between panels for the same covered area, which means less likelihood of rainwater infiltration.
  • the joining of the first and second foil of sheet metal may be done in various ways, e.g. by welding.
  • the first foil of sheet metal comprises a first edge that extends along a first longitudinal axis
  • the second foil of sheet metal comprises a second edge extending along a second longitudinal axis, wherein a free end of the first edge is inserted into a concavity formed by a U- shaping obtained by bending the second edge about its longitudinal axis.
  • both edges are U-shaped and have one free end (of the U) contained in a concavity formed by the U-shaping of the other edge.
  • edges may both be U-shaped first and then connected to each other.
  • the first edge is bent about its longitudinal axis to shape it into a U and form a concavity with the U, a free end of the second edge is inserted into the concavity of the first edge, and the edges are flattened on top of each other so that both edges end up U-shaped and have one free end contained in a U-shaping of the other edge.
  • the two foils of sheet metal end up joined along a splicing strip and form a composite foil.
  • the composite foil of sheet metal formed by splicing the first and second foil of sheet metal can be used to produce the foil of sheet metal from which only one of the outer sheet metals, or both, is/are obtained.
  • one of the two outer sheet metals preferably undergoes in line a cold profiling to shape it according to a corrugation.
  • the profile of the corrugation usually comprises, e.g. flat, troughs and crests joined by inclined, e.g. flat, planes.
  • the waving of the corrugation increases the length of the outer sheet metal required to produce the corrugated side of the panel.
  • the outer sheet metal opposite the corrugated one is flat.
  • the method can be applied to either one or each of the two aforementioned outer sheet metals.
  • the corrugated sheet metal is the one with the longest length, the advantages of the method are more pronounced when applied to the sheet metal on which the corrugation is eventually to be made.
  • the composite foil of sheet metal comprising the corrugation has a profile that develops orthogonally to the direction of the splicing strip.
  • the composite foil is profiled so that the splicing strip is located on the corrugation at an inclined plane connecting a trough and a crest of the profile.
  • the composite foil is profiled and/or oriented so that the composite foil at the splicing strip, going from the side corresponding to the outside of the panel to the side corresponding to the interior of the panel, comprises the overlap of a portion of the U-shaping of the foil of sheet metal forming the nearest crest, the free end of the U-bent foil of sheet metal forming the next trough, the free end of the U-bent foil of sheet metal forming the nearest crest, a portion of the U-shaping of the foil of sheet metal forming the next trough.
  • This sequence of overlapping layers of sheet metal ensures water tightness and tear resistance when the splicing strip is e.g. stressed by an expanding foam, e.g. polyurethane, injected under the corrugation (between the two outer sheet metals) to form the insulation layer of the panel.
  • an expanding foam e.g. polyurethane
  • Another aspect of the invention is a machine comprising means for performing a or each of the steps of the method.
  • Another aspect of the invention is a plant for producing, preferably continuously, insulating panels having two outer sheet metals made from a continuous foil of sheet metal and an insulating layer between them, comprising in line a machine or means to perform a or each of the steps of the method.
  • Fig. 1 shows a cross-sectional view of the ends of two foils of sheet metal
  • - Fig. 2 shows a preferred operational step to achieve the configuration of Fig. 1 ;
  • - Fig. 3 shows a partial cross-sectional view of a panel and a profile thereof.
  • a foil of sheet metal formed by the union of a first foil 10 of sheet metal and a second foil 20 of sheet metal is used (see fig. 1).
  • the two foils 10, 20 are, for example, unwound from two coils (not shown) and processed to be connected to each other as shown in Fig. 1.
  • the foil 10 comprises an edge 12 extending along a first longitudinal axis X1
  • the foil 20 comprises an edge 22 extending along a longitudinal axis X2.
  • each edge 12, 22 is bent about its longitudinal axis X1, X2 so as to eventually form a U-shaping.
  • each U-shaping comprises a proximal portion 14, 24, a portion 16, 26 bent by 180 degrees, and a distal portion 18, 28, respectively.
  • the U-shaped edges 12, 22 are coupled to each other so that in the concavity formed by the curved portion of a foil the distal portion of the other foil is inserted.
  • the distal portion of the other foil in the concavity formed by the portion 16, 26 there is inserted - respectively - the distal portion 28, 18.
  • the distal portion and the proximal portion of each edge lie on two substantially parallel planes.
  • edges 12, 22 may both first be U-shaped and then connected. Or (see sequence of Fig. 2) the edge 12 is bent about its longitudinal axis X1 to shape it into a U and form said concavity with said U-shaping.
  • the lying planes of the distal portion 18 and the proximal portion 28 are substantially orthogonal to the lying plane of the remaining portion of the foil 10.
  • the distal portion 28 of the edge 20 is then inserted into the concavity of the edge 12, and then the edges 12, 22 are flattened on each other (see arrow F) to achieve and make the configuration of Fig. 1. Specifically, the assembly given by the proximal portion 14, the distal portion 18, and the distal portion 28 is folded toward the proximal portion 24.
  • the relative position between the U-shaping and the rest of the foil 10 may also vary from that shown in Fig. 2.
  • Fig. 1 after the mutual connection the two foils 12, 22 end up joined along a splicing strip and form a single composite foil 40.
  • the composite foil 40 will then usually undergo cold forming.
  • the aim is for example to shape it according to a corrugation having profile 42 (see fig. 3) that develops orthogonally to the direction of the splicing strip (direction orthogonal to the page of the figures).
  • the profile 42 generally comprises crests 44 and troughs 46 connected by inclined planes 48.
  • Fig. 3 also shows a foil 90 of sheet metal that makes the other half of the sandwich panel, wherein between the composite foil 40 and the foil 90 insulation material is placed, e.g. glass wool or expanded polyurethane.
  • insulation material e.g. glass wool or expanded polyurethane.
  • the composite foil 40 is profiled so that the splicing strip is located on an inclined plane 48 of the corrugation, as in Fig. 3.
  • the insulation inside the panel is expanding material 50 such as polyurethane
  • the junction must withstand the thrust P of the expanding material 50. The mutual coupling between the two U's obtained on the edges 12, 22 ensures strong separation resistance.
  • the composite foil 40 is profiled and/or oriented so that on the corrugation 42, in correspondence with the splicing strip, there is a particular configuration of the folded layers of the edges 12, 22. That is, going from the outside of the panel towards the inside, it is preferable that the overlapping of layers is in this order: the proximal portion 24, the distal portion 18, the distal portion 28, and the proximal portion 14.
  • the point on the inclined plane 48 where the junction strip is placed may be any. E.g. in fig. 3 the aforesaid point may be located also or only on the inclined plane 48 which in the drawing is the leftmost.
  • the same type of junction in Fig. 1 and/or 2 may be used for the foil 90, which for a corrugated panel requires fewer junctions because less is needed per unit length of panel.

Landscapes

  • Laminated Bodies (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

L'invention concerne un procédé de production en ligne, et de préférence en continu, de panneaux isolants ayant deux tôles extérieures constituées d'une feuille continue de tôle et d'une couche isolante (50) entre eux, la feuille de tôle étant formée par épissage d'une première et d'une seconde feuille (10, 20) de tôle.
PCT/IB2021/051169 2020-02-14 2021-02-12 Procédé de production de panneaux WO2021161238A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP21711365.3A EP4103790A1 (fr) 2020-02-14 2021-02-12 Procédé de production de panneaux

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102020000002980A IT202000002980A1 (it) 2020-02-14 2020-02-14 Metodo di produzione per pannelli
IT102020000002980 2020-02-14

Publications (1)

Publication Number Publication Date
WO2021161238A1 true WO2021161238A1 (fr) 2021-08-19

Family

ID=70480661

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2021/051169 WO2021161238A1 (fr) 2020-02-14 2021-02-12 Procédé de production de panneaux

Country Status (3)

Country Link
EP (1) EP4103790A1 (fr)
IT (1) IT202000002980A1 (fr)
WO (1) WO2021161238A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3469873A (en) * 1966-08-15 1969-09-30 Emanuel Michael Glaros Joint with planar connector member
US4580384A (en) * 1983-08-04 1986-04-08 Hunter Douglas International N.V. Roof panel material
EP1371483A2 (fr) * 2002-06-10 2003-12-17 Kingspan Research and Developments Limited Procédé de fabrication de panneaux d'isolation

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE547576T1 (de) 2008-09-15 2012-03-15 Robor Srl Verfahren und anlage zur herstellung von platten

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3469873A (en) * 1966-08-15 1969-09-30 Emanuel Michael Glaros Joint with planar connector member
US4580384A (en) * 1983-08-04 1986-04-08 Hunter Douglas International N.V. Roof panel material
EP1371483A2 (fr) * 2002-06-10 2003-12-17 Kingspan Research and Developments Limited Procédé de fabrication de panneaux d'isolation

Also Published As

Publication number Publication date
EP4103790A1 (fr) 2022-12-21
IT202000002980A1 (it) 2021-08-14

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