WO2008142558A2 - Coating or furnishing element, method and installation for carrying out said element - Google Patents

Coating or furnishing element, method and installation for carrying out said element Download PDF

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Publication number
WO2008142558A2
WO2008142558A2 PCT/IB2008/001317 IB2008001317W WO2008142558A2 WO 2008142558 A2 WO2008142558 A2 WO 2008142558A2 IB 2008001317 W IB2008001317 W IB 2008001317W WO 2008142558 A2 WO2008142558 A2 WO 2008142558A2
Authority
WO
WIPO (PCT)
Prior art keywords
plate
coating
sheet
support layer
element according
Prior art date
Application number
PCT/IB2008/001317
Other languages
French (fr)
Other versions
WO2008142558A3 (en
Inventor
Novello Bavieri
Original Assignee
Eco Tecnology Center S.R.L.
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 Eco Tecnology Center S.R.L. filed Critical Eco Tecnology Center S.R.L.
Priority to EP08762720A priority Critical patent/EP2162280A2/en
Publication of WO2008142558A2 publication Critical patent/WO2008142558A2/en
Publication of WO2008142558A3 publication Critical patent/WO2008142558A3/en

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 form; Layered products 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 form; Layered products 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 form; Layered products 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
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C41/14—Dipping a core
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C41/22—Making multilayered or multicoloured articles
    • 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
    • B32B15/10—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 wood
    • 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
    • B32B15/12—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 paper or cardboard
    • 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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/16—Layered products comprising a layer of metal next to a particulate 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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/18—Layered products comprising a layer of metal comprising iron or steel
    • 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
    • B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
    • 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
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B21/08—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/10—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/14—Layered products comprising a layer of synthetic resin next to a particulate 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 form; Layered products 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 form; Layered products 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 form; Layered products 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
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products 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 form; Layered products 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
    • B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products 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 formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/0046—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by constructional aspects of the apparatus
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1284—Application of adhesive
    • 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/02—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising animal or vegetable substances, e.g. cork, bamboo, starch
    • B32B9/025—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising animal or vegetable substances, e.g. cork, bamboo, starch comprising leather
    • 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/24—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
    • B32B2037/243—Coating
    • 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/06—Coating on the layer surface on metal 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber 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
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02—Composition of the impregnated, bonded or embedded layer
    • B32B2260/021—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
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02—Composition of the impregnated, bonded or embedded layer
    • B32B2260/025—Particulate 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
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02—Composition of the impregnated, bonded or embedded layer
    • B32B2260/026—Wood 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
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02—Composition of the impregnated, bonded or embedded layer
    • B32B2260/028—Paper 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
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/04—Impregnation, embedding, or binder material
    • B32B2260/046—Synthetic resin
    • 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
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/554—Wear resistance
    • 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
    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/08—Dimensions, e.g. volume
    • B32B2309/10—Dimensions, e.g. volume linear, e.g. length, distance, width
    • B32B2309/105—Thickness
    • 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
    • B32B2311/00—Metals, their alloys or their compounds
    • 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
    • B32B2317/00—Animal or vegetable based
    • B32B2317/12—Paper, e.g. cardboard
    • 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
    • B32B2317/00—Animal or vegetable based
    • B32B2317/16—Wood, e.g. woodboard, fibreboard, woodchips
    • 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
    • B32B2419/00—Buildings or parts thereof
    • 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
    • B32B2471/00—Floor coverings
    • 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
    • B32B2479/00—Furniture
    • 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

Definitions

  • the present invention refers to an element for coating and furnishing, in particular, fit for carrying out tiles or plates for flooring and coating and for carrying out tops, elements of furniture or pieces of furniture, partition walls and the like.
  • the invention refers furthermore to a method and to an installation for carrying out said coating or furnishing element.
  • Said known tiles have a support, for example, made of concrete of resinous matrix, generally square or rectangular shaped with the visible face coated, a backside face for assembly and a number, usually four, of lateral faces.
  • a drawback of said known tiles consists in that the lateral faces are not coated.
  • Another disadvantage of the known methods consists in that they require highest precision in the dosage of the materials or complex evacuation systems of the material excesses.
  • An object of the present invention is to propose an element for coating or furnishings in which also all the lateral faces may be coated.
  • Another object is to propose an element whose coating is almost free from wear localized and resistant to the solicitations and the frictions.
  • Further object is to propose a relatively simple method and a system and that do not require the perfect dosage of the material that constitutes the support of the element.
  • - figure 1 shows a schematic view of transport and immersion means, for perforated metallic plates, of the system object of the present invention
  • - figure 2 shows a schematic view of means for impregnating or clamping, for plates or sheets of coating, of the installation
  • FIG. 3 shows a schematic view of moving and overlapping means of each plate perforated with a respective coating plate
  • FIG. 4 shows a schematic view of shearing and folding means integrated for each perforated plate with the respective coating plate or sheet;
  • FIG. 4 shows a schematic view of pressing means for pressing the mutual union and consolidation of each perforated plate with the respective coating plate or sheet with a correspondent support;
  • FIG. 5 shows a in plant view of a coating element object of the present invention
  • figure 6 shows a view of the element sectioned along the plane Vl - Vl of figure 5;
  • figure 7 shows a view of the element sectioned along the plane the VII - VII of figure 5;
  • figure 8 shows an axonometric and sectioned view of the element of figure 5;
  • figure 9 shows an enlarged view of a detail of figure 8.
  • 1 indicates the coating or furnishings element, object of the present invention, fit to coat walls, floors and building elements and to realize tops for consoles, for tables and furniture and furnishings elements in general.
  • the element 1 is shaped like a tile or plane, squared or rectangular, and has an assembly face M fit to adhere to assembly glues for the wall or floor installation or to be fixed to furniture or furnishings elements.
  • the face opposite to the assembly face is the visible face V; such assembly and visible faces are interconnected through four lateral faces L shaped as lengthened rectangle.
  • the lateral faces L and the visible face V are equipped with one coating 3 fixed to a support layer 4 of element 1.
  • the support layer 4 and the coating 3 extend also to the lateral faces of the element 1.
  • the element 1 comprises a support 2 fixed to the support layer 4 and adhering to the faces of this latter opposite to the coating 3.
  • the invention provides that the element can be made by only the support 4 and coating 3 layer without the support 2 or with a concave support that carries out a thin thickness on the faces of the support layer 4 opposite to the coating 3.
  • the recess of the assembly face of this alternative embodiment of the element does not compromise the assembly, as an example a wall, as the plane of assembly of the element is perfectly defined by the free boards of the lateral faces.
  • the support layer 4 consists in a plate of material lacking or almost lacking of memory, cut and folded in order to assume the form of the lateral and visible faces.
  • the plate of the support layer 4 of metal or metallic alloy in particular that or constituted from a plate of aluminate or ferrous metal, or of respective alloys and compounds, of thickness comprised between about 0,1 mm and about 2,0 mm.
  • the invention provides that the support layer 4 is made of synthetic material, as an example reinforced, preformed resin.
  • the support layer 4 is at least perforated in correspondence of the visible face in such a way to guarantee also the direct adhesion between 3 coating and support 2.
  • the coating 3 consists in a plate or sheet of wood, its by-products, its substitute and the like; preferably the coating 3 is made of a plate or sheet of wood with thickness comprised between about 0,5 mm and about 4,0 mm.
  • the coating 3 may consist in a plate, sheet or layer of paper, fabric, natural or synthetic leather or hides or of other flexible materials.
  • the coating 3 is fixed to the support layer 4 by means of a resinous material and possibly it may be impregnated of, or strewed with, the resinous material, as an example of the epoxy bi-member type, in a position fit for making the wood impermeable and improving the resistance to the wear.
  • the support 2 is made of solid elements, preferably inerts, in form of powders and/or grains and/or pieces and/or fragments and/or fibers, also obtained by scrap or debris, in a matrix of resinous material, for instance polyurethane material, or preferably epoxy, and is fixed to the support layer 4 by means of the same resinous material.
  • resinous material for instance polyurethane material, or preferably epoxy
  • the assembly face is made of the support having shape almost flat, irregular convex or flat with rabbets and/or assembly relieves.
  • the method, object of the present invention, for carrying out a coating element or furnishings having an assembly face M, a plurality of side faces L and a visible face V provided with a coating 3 comprises the following sequence of steps:
  • the first fluid may contribute to the adhesion of the matrix to the plate for the support layer 4 and in cooperation with the fluid, makes the adhesion of the fixing face 5 of the coating plate or sheet 3 to the external face of the plate for the support layer 4.
  • the method provides to put under pressure and/or heating the plate for the support layer 4 matching with the plate or coating sheet 3 sheared and folded for the mutual adhesion, without applying the support 2 thereto made of powders and/or grains and/or pieces and/or fragments and/or fibers in a matrix of resinous material.
  • the method further comprises each one of the following steps:
  • the installation, object of the present invention, for carrying out a coating or furnishings element comprises:
  • - supplying means known and not shown, of a mixture of powders and/or grains and/or pieces and/or fragments and/or fibers in a resinous matrix inside a concavity 7 formed of the coating plate or sheet 3 adhering to the plate for the support layer 4 folded and placed in the housing;
  • a mobile element 72 of the pressing means fit to compress said mixing and coating plate or sheet 3 adhering to the plate for the support layer 4.
  • Transport and immersion means 20 comprise a catenary 21 with suspension elements for the perforated plates provided with a curved line with descending and ascending path for the immersion of said perforated plates in a basin 22 for the first fluid.
  • the impregnating or damping means 30 for the fixing faces 5 of the coating plates or sheet 3, comprise a conveyor tape, or chain like or rolls like 32, for the advancing of said plates or sheets and a set of cylinders 31 standing above the, and transversal to, the conveyor 32.
  • Said cylinders are made of impermeable material imbibed of the second fluid, for impregnating at least the fixing faces 5 of said plates or sheets 3.
  • the moving and overlapping means 40 comprise drawing means, known and not shown, of the plates or plate and sheet from the conveyor and immersion means and from the means for impregnating and damping and comprise overlapping means of said plates or sheet, of a known and not illustrated type.
  • the shearing means 50 and the folding means 60 are integral and comprise punching or cutting means or folding means with male 51 or female 52 members.
  • An advantage of the present invention is to provide an element for coating or furnishings in which also all the lateral faces may be coated.

Abstract

A coating or furnishings element has an assembly face (M), a plurality of side faces (L) and a visible face (V) provided with a coating (3). Said coating (3) is fixed to a support layer (4) of the element (1 ).

Description

COATING OR FURNISHING ELEMENT, METHOD AND INSTALLATION FOR CARRYING OUT SAID ELEMENT
TECHNICAL FIELD
The present invention refers to an element for coating and furnishing, in particular, fit for carrying out tiles or plates for flooring and coating and for carrying out tops, elements of furniture or pieces of furniture, partition walls and the like. The invention refers furthermore to a method and to an installation for carrying out said coating or furnishing element.
BACKGROUND ART
There are known tiles and methods for carrying out a front face equipped with a coating sheet or plate, for example made of wood. Said known tiles have a support, for example, made of concrete of resinous matrix, generally square or rectangular shaped with the visible face coated, a backside face for assembly and a number, usually four, of lateral faces.
A drawback of said known tiles consists in that the lateral faces are not coated.
Other drawback of said known tiles consists in that also small differences of quantity or of volume of the material constituting the support cause irregularities of the assembly face causing difficulty and lose of time in the setting-up operation.
Further drawback of said known tiles consists in that in the coating status drops directly on an inhomogeneous material because it can cause localized wear and damages to the coating in case of solicitations and frictions. A disadvantage of the known methods and installations for carrying out said floor tiles consists in that they are very complex and expensive to be actuated or carried out.
Another disadvantage of the known methods consists in that they require highest precision in the dosage of the materials or complex evacuation systems of the material excesses.
DISCLOSURE OF THE INVENTION
An object of the present invention is to propose an element for coating or furnishings in which also all the lateral faces may be coated.
Further object is to propose an element easy to assembly also in case of irregularity and concavity of the assembly face.
Other object is to propose an element whose coating is almost free from wear localized and resistant to the solicitations and the frictions.
Further object is to propose a relatively simple method and a system and that do not require the perfect dosage of the material that constitutes the support of the element.
BRIEF DESCRIPTION OF THE DRAWINGS
The features of the invention are highlighted in the following with reference to the attached design in which:
- figure 1 shows a schematic view of transport and immersion means, for perforated metallic plates, of the system object of the present invention; - figure 2 shows a schematic view of means for impregnating or clamping, for plates or sheets of coating, of the installation;
- figure 3 shows a schematic view of moving and overlapping means of each plate perforated with a respective coating plate;
- figure 4 shows a schematic view of shearing and folding means integrated for each perforated plate with the respective coating plate or sheet;
- figure 4 shows a schematic view of pressing means for pressing the mutual union and consolidation of each perforated plate with the respective coating plate or sheet with a correspondent support;
- figure 5 shows a in plant view of a coating element object of the present invention;
- figure 6 shows a view of the element sectioned along the plane Vl - Vl of figure 5;
- figure 7 shows a view of the element sectioned along the plane the VII - VII of figure 5;
- figure 8 shows an axonometric and sectioned view of the element of figure 5;
- figure 9 shows an enlarged view of a detail of figure 8.
BEST MODE OF CARRYING OUT THE INVENTION
With reference to the figures from 1 to 9, 1 indicates the coating or furnishings element, object of the present invention, fit to coat walls, floors and building elements and to realize tops for consoles, for tables and furniture and furnishings elements in general.
The element 1 is shaped like a tile or plane, squared or rectangular, and has an assembly face M fit to adhere to assembly glues for the wall or floor installation or to be fixed to furniture or furnishings elements.
The face opposite to the assembly face is the visible face V; such assembly and visible faces are interconnected through four lateral faces L shaped as lengthened rectangle.
The lateral faces L and the visible face V are equipped with one coating 3 fixed to a support layer 4 of element 1.
As visible in the figures 5-9, the support layer 4 and the coating 3 extend also to the lateral faces of the element 1.
The element 1 comprises a support 2 fixed to the support layer 4 and adhering to the faces of this latter opposite to the coating 3.
Alternatively, the invention provides that the element can be made by only the support 4 and coating 3 layer without the support 2 or with a concave support that carries out a thin thickness on the faces of the support layer 4 opposite to the coating 3.
The recess of the assembly face of this alternative embodiment of the element does not compromise the assembly, as an example a wall, as the plane of assembly of the element is perfectly defined by the free boards of the lateral faces. The support layer 4 consists in a plate of material lacking or almost lacking of memory, cut and folded in order to assume the form of the lateral and visible faces.
In particular the plate of the support layer 4 of metal or metallic alloy, in particular that or constituted from a plate of aluminate or ferrous metal, or of respective alloys and compounds, of thickness comprised between about 0,1 mm and about 2,0 mm.
Alternatively, the invention provides that the support layer 4 is made of synthetic material, as an example reinforced, preformed resin.
The support layer 4 is at least perforated in correspondence of the visible face in such a way to guarantee also the direct adhesion between 3 coating and support 2.
The coating 3 consists in a plate or sheet of wood, its by-products, its substitute and the like; preferably the coating 3 is made of a plate or sheet of wood with thickness comprised between about 0,5 mm and about 4,0 mm.
Alternatively the coating 3 may consist in a plate, sheet or layer of paper, fabric, natural or synthetic leather or hides or of other flexible materials.
The coating 3 is fixed to the support layer 4 by means of a resinous material and possibly it may be impregnated of, or strewed with, the resinous material, as an example of the epoxy bi-member type, in a position fit for making the wood impermeable and improving the resistance to the wear.
The support 2 is made of solid elements, preferably inerts, in form of powders and/or grains and/or pieces and/or fragments and/or fibers, also obtained by scrap or debris, in a matrix of resinous material, for instance polyurethane material, or preferably epoxy, and is fixed to the support layer 4 by means of the same resinous material.
The assembly face is made of the support having shape almost flat, irregular convex or flat with rabbets and/or assembly relieves.
The method, object of the present invention, for carrying out a coating element or furnishings having an assembly face M, a plurality of side faces L and a visible face V provided with a coating 3 comprises the following sequence of steps:
- to dip a plate for a support layer 4 made of a material almost lacking of memory in a first fluid for the adhesion;
- to at least impregnate or to damp a fixing face 5 of a plate or sheet of coating 3 with a second fluid for the adhesion;
- to place the plate for the support layer 4 matching with the fixing face 5 of the coating plate or sheet 3;
- to shear or to cut the plate for the support layer 4 matching with the coating plate or sheet 3 for removing corners from the edges, that is in order to eliminate square portions of edges, and to fold the edges of such plates laterally to the eliminated vertexes in order to define the thickness thereof, in order to realize the visible face V and the plurality of lateral faces L of element 1 and, consequently, in order to form a concavity 7 comprised between such faces;
- to place in a housing of a pressing means the plate for the support layer 4 matching with the coating plate or sheet 3 sheared and folded, with concavity 7 towards the high; - to pour in the concavity 7 solid elements like powders and/or grains and/or pieces and/or fragments and/or fibers mixed with a fluid material fit to constitute a matrix for said solid elements and to adhere to the faces of the plate for the support layer 4 that defines the concavity;
- to press and possibly to heat by pressing means the plate for the support layer 4 matching with the coating plate or sheet 3 and said mixture until their adhesion and consolidation.
The first fluid may contribute to the adhesion of the matrix to the plate for the support layer 4 and in cooperation with the fluid, makes the adhesion of the fixing face 5 of the coating plate or sheet 3 to the external face of the plate for the support layer 4.
Alternatively the method provides to put under pressure and/or heating the plate for the support layer 4 matching with the plate or coating sheet 3 sheared and folded for the mutual adhesion, without applying the support 2 thereto made of powders and/or grains and/or pieces and/or fragments and/or fibers in a matrix of resinous material.
The method further comprises each one of the following steps:
- to use a plate for the perforated support layer 4;
- to use a coating plate or sheet 3 of paper, material, natural or synthetic leather or hides or of other flexible materials or of wood or its substitutes and by-products, preferably of recomposed wood;
- to use a coating plate or sheet 3 having dimensions equal to or slightly greater than the dimensions of the plate for the support layer 4; - to use a first fluid and a second fluid consisting in two members of a resinous material or to use a first fluid and a second fluid consisting in the same resinous fluid material or two compatible resinous materials;
- to use a first fluid compatible with the resinous material.
The installation, object of the present invention, for carrying out a coating or furnishings element comprises:
- transport and immersion means 20, in a first fluid, of a plate for a support layer 4;
- impregnating or damping means 30 at least a fixing face 5 of a coating plate or sheet 3 placed parallel in respect to the transport and immersion means;
- moving and overlapping means 40 of the fixing face 5 of the coating plate or sheet 3 up to the plate for a support layer 4, placed downstream of transport and immersion means and of the impregnating and damping means;
- shearing means 50 of the edges of the coating plate or sheet 3 adhering to the plate for the support layer with the plate for the support layer 4 placed downstream of the moving or overlapping means;
- folding means 60 of the edges of the coating plate or sheet 3 adhering to the plate for the support layer 4, placed downstream of shearing means or integrated to them; - pressing means 70 having a housing 71 for the coating plate or sheet 3 adhering to the plate for the support layer 4 and folded ;
- supplying means, known and not shown, of a mixture of powders and/or grains and/or pieces and/or fragments and/or fibers in a resinous matrix inside a concavity 7 formed of the coating plate or sheet 3 adhering to the plate for the support layer 4 folded and placed in the housing;
- a mobile element 72 of the pressing means fit to compress said mixing and coating plate or sheet 3 adhering to the plate for the support layer 4.
Transport and immersion means 20 comprise a catenary 21 with suspension elements for the perforated plates provided with a curved line with descending and ascending path for the immersion of said perforated plates in a basin 22 for the first fluid.
The impregnating or damping means 30 for the fixing faces 5 of the coating plates or sheet 3, comprise a conveyor tape, or chain like or rolls like 32, for the advancing of said plates or sheets and a set of cylinders 31 standing above the, and transversal to, the conveyor 32.
Said cylinders are made of impermeable material imbibed of the second fluid, for impregnating at least the fixing faces 5 of said plates or sheets 3.
The moving and overlapping means 40 comprise drawing means, known and not shown, of the plates or plate and sheet from the conveyor and immersion means and from the means for impregnating and damping and comprise overlapping means of said plates or sheet, of a known and not illustrated type. iυ
The shearing means 50 and the folding means 60 are integral and comprise punching or cutting means or folding means with male 51 or female 52 members.
An advantage of the present invention is to provide an element for coating or furnishings in which also all the lateral faces may be coated.
Further advantage is to provide an element easy to assembly also in case of irregularities and concavities of the assembly face.
Other advantage is to provide an element whose coating is almost free from wear localized and resistant to the solicitations and the friction.
Further advantage is to provide a relatively simple method and an installation and that they do not require the perfect dosage of the material that constitutes the support of the element.

Claims

1) Coating or furnishings element having an assembly face (M), a plurality of side faces (I) and a visible face (V) provided with a coating (3); said element (1) being characterized in that the coating (3) is fixed to a support layer (4) of the element (1 ).
2) Element according to claim 1 characterized in comprising a support (2), fixed to the support layer (4) and adhering to the faces of this latter opposite to the coating (3).
3) Element according to the claim 1 or claim 2 characterized in that the support layer (4) and the coating (3) extends also to the lateral faces of the element (1).
4) Element according to any of the previous claims characterized in that the support layer (4) is made of preformed synthetic material.
5) Element according to any of the claims 1-3 characterized in that the support layer (4) consists in a plate of material lacking or almost lacking of memory, cut and folded in order to assume the form of the lateral and visible faces.
6) Element according to claim 5 characterized in that the plate of the support layer (4) is made of metal or metallic alloy.
7) Element according to any of the previous claims characterized in that the support layer (4) is perforated at least in correspondence of the visible face.
8) Element according to any of the claims 5-7 characterized in that the support layer (4) is constituted by a plate made of aluminum or of iron or respective alloys and compounds, having thickness comprised between about 0,1 mm and about 2,0 mm.
9) Element according to any of the previous claims characterized in that the coating (3) consists in a plate or sheet made of wood, its by-products, its substitutes and the like.
10) Element according to the claim 9 characterized in that the coating (3) consists in a plate or sheet of recomposed wood.
11) Element according to any of the claims 1-8 characterized in that the coating (3) consists in a plate, sheet or layer of paper, fabric, leather or hides natural or synthetic or of other flexible materials.
12) Element according to any of the claims 9-11 characterized in that the coating (3) has a thickness comprised between about 0,5 mm and about 4,0 mm.
13) Element according to any of the previous claims characterized in that the coating (3) is fixed to the support layer (4) by means of a resinous material.
14) Element according to claim 13 characterized in that the coating (3) is impregnated of, or strewn with the resinous material.
15) Element according to claim 2 characterized in that the support (2) is constituted by powders and/or grains and/or pieces and/or fragments and/or fibers in a resinous matrix.
16) Element according to claim 15 characterized in that the support (2) is fixed to the support layer (4) by means of the resinous material of the resinous matrix. 17) Element according to claim 2 characterized in that the assembly face is constituted by the support (2) having shape almost flat, irregular convex or flat with assembly rabbets and/or relieves.
18) Method for carrying out a coating or furnishing element having an assembly face (M), a plurality of side faces (L) and a visible face (V) provided with a coating (3), said method being characterized in: -dipping a plate for a support layer (4) made of material almost lacking of memory in a first fluid for the adhesion; - impregnating or damping at least a fixing face (5) of a coating plate or sheet (3) with a second fluid for the adhesion; - placing the plate for the support layer (4) matching with the fixing face
(5) of the coating plate or sheet (3);
- shearing or cutting and folding the edges of the plate for the support layer (4) matching with the coating plate or sheet (3) in order to carry out the visible face (V) and the plurality of side faces (L) of the element (1).
19) Method according to claim 18 characterized in shearing or cutting the plate for the support layer (4) and coating plate or sheet (3) mutually matching for removing corners from the vertexes of such plates, or plate and sheet, eliminating a square portion thereof and folding the edges of such plates, or plates and sheet, laterally to the eliminated vertexes in order to define the thickness of the element.
20) Method according to claim 18 characterized in subjecting to pressure and/or heating the plate for the support layer (4) matching with the coating plate or sheet (3) sheared and folded for the mutual adhesion.
21) Method according to claim 18 characterized in placing the plate for the support layer (4) matching with the coating plate or sheet (3) sheared and folded to form a concavity (7), in a housing of pressing means with the concavity towards the high; pouring into the concavity (7) a mixture of powders and/or grains and/or pieces and/or fragments and/or fibers in a fluid resinous matrix; pressing and possibly heating by pressing means the plate for the support layer (4) matching with the coating plate or sheet (3) and said mixture until their adhesion and consolidation.
22) Method according to claim 18 characterized in using a plate for the perforated support layer (4).
23) Method according to claim 18 characterized in using a coating plate or sheet (3) of paper, fabric, natural or synthetic leather or hides or of other flexible materials or of wood or its substitutes and by-products, preferably of recomposed wood.
24) Method according to claim 18 characterized in using a coating plate or sheet (3) having equal to or slightly greater dimensions than the dimensions of the plate for the support layer (4).
25) Method according to claim 18 characterized in using a first fluid and a second fluid consisting in two components of a resinous material.
26) Method according to claim 18 characterized in using a first fluid and a second fluid consisting in the same resinous fluid material or in two resinous compatible materials.
27) Method according to claim 18 characterized in using a first fluid compatible with the resinous material.
28) Installation for carrying out a coating or furnishings element having an assembly face (M), a plurality of side faces (L) and a visible face (V) provided with a coating (3), said installation being characterized in comprising at least: - transport and immersion means, in a first fluid, for a plate for a support layer (4);
- means for impregnating or damping a fixing face (5) of a coating plate or sheet (3) placed almost parallel in respect to the transport and immersion means;
- moving and overlapping means of the fixing face (5) of the coating plate or sheet (3) up to the plate for a support layer (4), placed downstream of the transport and immersion means and of the impregnating or damping means; - shearing means of the edges of the coating plate or sheet (3) adhering to the plate for the support layer (4) placed downstream of the moving and overlapping means;
- folding means of the edges of the coating plate or sheet (3) adhering to the plate for the support layer (4), placed downstream of the shearing means or integral thereto.
29) Installation according to claim 28 characterized in comprising, downstream of the folding means, pressing means having a housing for the coating plate or sheet (3) adhering to the plate for the support layer (4) and folded; supplying means of a mixture of powders and/or grains and/or pieces and/or fragments and/or fibers in a resinous matrix inside a concavity (7) formed by the coating plate or sheet (3) adhering to the plate for the support layer (4) folded and placed in the housing; a mobile element of the pressing means fit to compress said mixture and coating plate or sheet (3) adhering to the plate for the support layer (4).
30) Installation according to claim 28 characterized in that the transport and immersion means comprise a catenary with an immersion path in a basin for the first fluid.
31) Installation according to claim 28 characterized in that the impregnating and damping means for at least a fixing face (5) of a coating plate or sheet (3) comprise a set of impregnation cylinders standing above a conveyor tape, chains or rolls for such plate or sheet.
32) Installation according to claim 28 characterized in that the moving and overlapping means comprise drawing means of the plates or plate and sheet from the transport and immersion means and from the impregnating and damping means and comprise overlapping means of such plates or sheet.
33) Installation according to claim 28 characterized in that the shearing and the folding means are integral and comprise punching and folding means with male and female members.
PCT/IB2008/001317 2007-05-24 2008-05-26 Coating or furnishing element, method and installation for carrying out said element WO2008142558A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08762720A EP2162280A2 (en) 2007-05-24 2008-05-26 Coating or furnishing element, method and installation for carrying out said element

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITBO20070372 ITBO20070372A1 (en) 2007-05-24 2007-05-24 ELEMENT FOR COATING OR FURNISHING, METHOD AND PLANT TO REALIZE IT
ITBO2007A000372 2007-05-24

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WO2008142558A2 true WO2008142558A2 (en) 2008-11-27
WO2008142558A3 WO2008142558A3 (en) 2009-05-14

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IT (1) ITBO20070372A1 (en)
WO (1) WO2008142558A2 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991019444A1 (en) * 1990-06-19 1991-12-26 Haworth, Inc. Resilient monolithic worksurface
DE9202621U1 (en) * 1992-02-28 1992-05-14 Pfrommer, Volker, 7505 Ettlingen, De
US5215826A (en) * 1990-09-25 1993-06-01 Rexham Industries Corp. Surfacing film with thermoformable carrier layer
WO2000015924A1 (en) * 1998-09-04 2000-03-23 Dominique Smeets Insulating roofing element
WO2005118976A1 (en) * 2004-05-26 2005-12-15 Studioart Srl Covering element, method and machine to produce said covering element

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991019444A1 (en) * 1990-06-19 1991-12-26 Haworth, Inc. Resilient monolithic worksurface
US5215826A (en) * 1990-09-25 1993-06-01 Rexham Industries Corp. Surfacing film with thermoformable carrier layer
DE9202621U1 (en) * 1992-02-28 1992-05-14 Pfrommer, Volker, 7505 Ettlingen, De
WO2000015924A1 (en) * 1998-09-04 2000-03-23 Dominique Smeets Insulating roofing element
WO2005118976A1 (en) * 2004-05-26 2005-12-15 Studioart Srl Covering element, method and machine to produce said covering element

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ITBO20070372A1 (en) 2008-11-25
WO2008142558A3 (en) 2009-05-14
EP2162280A2 (en) 2010-03-17

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