WO2002072336A1 - Piece perfectionnee pour le laminage de panneaux - Google Patents

Piece perfectionnee pour le laminage de panneaux Download PDF

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Publication number
WO2002072336A1
WO2002072336A1 PCT/ES2002/000101 ES0200101W WO02072336A1 WO 2002072336 A1 WO2002072336 A1 WO 2002072336A1 ES 0200101 W ES0200101 W ES 0200101W WO 02072336 A1 WO02072336 A1 WO 02072336A1
Authority
WO
WIPO (PCT)
Prior art keywords
laminate
piece
edges
board
marginal
Prior art date
Application number
PCT/ES2002/000101
Other languages
English (en)
Spanish (es)
Inventor
José Miguel MENÉNDEZ OCHOA
Original Assignee
Naisa, Naves En Alquiler Para La Industria S.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 Naisa, Naves En Alquiler Para La Industria S.L. filed Critical Naisa, Naves En Alquiler Para La Industria S.L.
Publication of WO2002072336A1 publication Critical patent/WO2002072336A1/fr

Links

Classifications

    • 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
    • B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/02—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material
    • B29C63/04—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material by folding, winding, bending or the like
    • 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
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/02—Bending or folding
    • B29C53/04—Bending or folding of plates or sheets
    • B29C53/06—Forming folding lines by pressing or scoring
    • B29C53/063—Forming folding lines by pressing or scoring combined with folding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2711/00—Use of natural products or their composites, not provided for in groups B29K2601/00 - B29K2709/00, for preformed parts, e.g. for inserts
    • B29K2711/12—Paper, e.g. cardboard
    • B29K2711/126—Impregnated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2711/00—Use of natural products or their composites, not provided for in groups B29K2601/00 - B29K2709/00, for preformed parts, e.g. for inserts
    • B29K2711/14—Wood, e.g. woodboard or fibreboard

Definitions

  • the present invention relates to a perfected piece for the laminate of boards, specifically a laminated piece which, being of the type constituted, preferably, by two or more sheets of paper impregnated in resins, of which the outermost sheet of paper It is of a decorative type, it is intended to be plated without continuity solution on at least one side of a wood chipboard.
  • the wood chipboard boards or the like that must be covered with laminated pieces in the form of sheets of the laminated material mentioned above, are cut to the specific measures requested by the customer, while in a parallel operation it proceeds to the cut of the covering sheet to the size of the board, which can be carried out conventionally so that the laminate piece has a marginal area that exceeds the width of the board in a portion suitable for covering the edge of the board, which will have been profiling by milling in shape, preferably, that includes one or more blunt edges or convex curved shape, without excluding other configurations, after which the piece of laminate on the corresponding face of the board is clamped, by gluing, heat and pressure, subtracting the marginal area thereof in cantilever and without placating, which is carried out in a subsequent postforming operation, in which , also by gluing, heat and pressure, said marginal area is placated on the surface of the profiled edge of the board.
  • the laminate piece In all cases, the problem arises that for quality products, the laminate piece must have a sufficient thickness so that in the cladding they do not transcend the small granular irregularities due to the specific deformation of the laminate piece itself. of the board, but against them these pieces of laminate are extremely difficult to postform in the act of placating the curved edges of the board, which, in practice, precludes the post-forming of edges in the pieces of high quality laminate.
  • the narrow grooves are made in a thin wooden plate that, attached to the laminate in the marginal zone of curvature, defines supporting partitions of the laminate on the curved surface of the edges and edges of the wood chipboard.
  • the solution has been adopted to give the board laminate piece greater flexibility in the zones of the same that undergo a more pronounced flexion, especially in the areas in which the piece is curved to pass from a flat surface to a curved surface or to another flat surface through a blunt edge of more or less pronounced radius.
  • the laminate piece for boards object of the invention has been developed, according to which the piece for laminate, on its face not seen of cladding without continuity solution to the wood chipboard and one or both edges thereof, it has, longitudinally in a marginal area, a milled strip in which the nominal thickness of the laminate is reduced, while maintaining it in the rest of the piece, and said milled strip is extended in coincidence with a transition zone of the agglomerate board which, defined by the edges formed between the flat faces of the same and the surface of its edges, must be flattened with said marginal zone.
  • a feature of the invention is that the milled strip of the marginal zone has the reduction of the nominal thickness of the laminate over the entire length of its width, either symmetrically gradually or substantially constant throughout the practical extension of its width.
  • Characteristic of the invention is the fact that the width of the milled strip of the marginal zone is proportional to the amplitude of the transition zone between the flat face of the board and the flat surface of the corresponding edge thereof, or the entire surface of the I sing in the case that this is curvilinear profile. Consequently, in general, the laminate piece maintains the nominal thickness in the flat parts and reduced in the milled laminated strip of the marginal zone.
  • the number of milled stripes in the marginal zone is a function of the number of transition zones to be covered in each edge of the board.
  • Figure 1 represents, schematically in straight section, a side portion of a wooden chipboard board that has a straight edge of blunt edge is clamped on both sides by means of laminated pieces of which one extends into a marginal area intended for its placated or postformed on said song, all according to the conventional procedure.
  • Figure 2 represents, on an enlarged scale, the postforming arrangement of the marginal area of the laminate part of Figure 1.
  • Figure 3 similarly to the previous figure, represents a marginal area of a piece of laminate in which a conventional embodiment of the milled strip is shown, according to which the nominal thickness of the piece is reduced intermittently, throughout the width of the milled strip and in the form of slots of rectangular section.
  • Figure 4 represents, analogously to figure 2, the postforming arrangement of the marginal area of the laminate piece of figure 3, in relation to its milled strip, on a blunt edge of a board edge.
  • Figure 5 represents transversely, on a very enlarged scale, a marginal area of a piece of laminate in which an embodiment of a milled strip, characteristic of the invention, according to which the nominal thickness of the piece of laminate is reduced in Continuous form.
  • Figure 6 represents, on an enlarged scale, the postforming arrangement of the marginal area of the laminate piece of Figure 5, in relation to its milled strip, on a blunt edge of a board edge.
  • Figure 7 represents, analogously to Figure 5, a marginal area of a piece of laminate in which an embodiment of the milled strip characteristic of the invention can be seen, according to which the reduction of the nominal thickness of the piece is kept substantially constant of laminate
  • Figure 8 depicts, analogously to Figure 6, the postforming arrangement of the marginal area of the laminate part of Figure 7, in relation to its milled strip, on a blunt edge of a board edge.
  • Figure 9 represents a case of postforming forming a board that has a chamfered edge with two blunt edges.
  • Figure 10 represents the case of cladding and postforming a board intended to constitute a countertop.
  • laminated boards intended for the construction of furniture and countertops, especially used in kitchens and bathrooms, without excluding covering panels or compartmentalisation of spaces, troughs and others are essentially constituted by a board 1 of wood agglomerate that has one or two longitudinal edges 2, which are configured flat with blunt edges, rounded or other shaped, and one or both of its major faces covered by a cladding of a postformable piece of laminate 3 which is constituted, at least, by two layers of paper impregnated in resins, of which the exterior is constituted by a design paper, with decorative printing and impregnated in a thermosetting resin of melamine-formaldehyde, while the interior is constituted by a barrier paper, without design features and impregnated with a mixture of melamine thermosetting resins -formaldehyde and phenol-formaldehyde.
  • the laminate piece 3 located superiorly in the drawings has a marginal cantilevered area 3A that is not adhered or flattened to the board 1 and that has a width that allows its postforming by adhesive, heat and pressure over the entire width of the edge 2.
  • the nominal thickness E of the laminate pieces must be sufficient so that the possible small point irregularities do not transcend through them, which can incorporate the surface of the larger faces and the edges 2 of the boards 1 , such as granules of the material itself or foreign materials, slight concave or convex surface irregularities, etc.
  • This drawback occurs when said nominal thickness E and the Compactness of the laminate pieces 3, are of reduced value, thereby deforming superficially by copying said irregularities. Otherwise, when the nominal thickness E and the compactness of the laminate pieces 3 are adequate, such irregularities are absorbed by the thickness of the laminate pieces 3 and do not transcend the visible face thereof.
  • the laminate part 3 as shown in figure 3 has a milled strip 4A in its marginal zone 3, so that it has a reduced value e of the nominal thickness E in parts 6 of the extension of its width A, while in parts 7 alternated with the previous ones the nominal thickness is maintained.
  • the parts of reduced thickness e consist of narrow parallel grooves whose depth is less than the nominal thickness of the marginal zone 3A, said parts being configured in the form of narrow grooves, such as those indicated with reference 6 in figure 3, which have parallel walls and define rectangular straight sections, or are formed by inclined walls converging towards the face 3a of the laminate 3, which have not been represented.
  • Figure 4 corresponds to the postforming of the marginal zone 3A provided with the milled strip 4A, resulting in a product prone to cracking on the outer face of the milled strip 4A.
  • the laminate part 3 object of the invention has been developed, according to which said laminate piece, in its face not seen of cladding without continuity solution on a corresponding face of a board 1 of agglomerated wood and one or both edges 2 thereof, it has, longitudinally in the marginal area 3A, as shown in Figure 5, a milled strip 4B in which the nominal thickness E is reduced to a dimension e, at the same time that said nominal thickness E is maintained for the rest of the laminate part 3, and extends in coincidence with the transition zone 5 of the wood agglomerate board 1 which, defined by the blunt edges of smaller or greater amplitude formed between the flat faces of the board 1 and the surface of the edges 2 thereof.
  • the milled strip 4B of the marginal zone 3A of the rolling piece 3 has the thickness e, reduced of the nominal thickness E, over the entire length of its width A, so that, as can be seen in figure 6, after the postforming operation, the milled strip 4B curves over the blunt edge 5 of the edge 2, creating minimum compression and tensile stresses that allow the use of any high value for the nominal thickness dimension E, at time a configuration with a vault effect is created.
  • Figure 7 shows a milled strip 4C, similar to the milled strip 4B of the marginal area 3A of the rolling piece 3, in which the reduced thickness g is of practically constant value throughout the entire length of its width A, depicting in figure 8 the flattening of the marginal zone on the edge 2 of a board 1.
  • the width A of the milled strips 4B and 4C of the marginal zone 3A is proportional to the amplitude of the transition zone 5 between the flat face of the board 1 and the flat surface of the edge
  • Figures 8 and 9 show the cases in which the marginal area 3A of the laminate piece 3 comprises two milled strips 4B intended for a chamfered edge, in the first, and a countertop edge, in the second.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention concerne une pièce pour laminé stratifié, destinée à être appliquée par sa face invisible sans solution de continuité sur le panneau de bois aggloméré et sur un ou les deux bords de celui-ci, et présentant, de manière longitudinale dans une zone marginale, une frange fraisée dans laquelle est réduite l'épaisseur nominale du laminé, tandis qu'elle est maintenue identique dans le reste de la pièce, ladite frange fraisée s'étendant de manière à coïncider avec une zone de transition du panneau aggloméré définie par les arêtes formées entre les faces plates de celui-ci et la superficie de ses bords, et qui doit être rattachée à ladite zone marginale.
PCT/ES2002/000101 2001-03-09 2002-03-07 Piece perfectionnee pour le laminage de panneaux WO2002072336A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES200100551U ES1048527Y (es) 2001-03-09 2001-03-09 Pieza perfeccionada para el laminado de tableros.
ESU200100551 2001-03-09

Publications (1)

Publication Number Publication Date
WO2002072336A1 true WO2002072336A1 (fr) 2002-09-19

Family

ID=8497025

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ES2002/000101 WO2002072336A1 (fr) 2001-03-09 2002-03-07 Piece perfectionnee pour le laminage de panneaux

Country Status (2)

Country Link
ES (1) ES1048527Y (fr)
WO (1) WO2002072336A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1880838A1 (fr) * 2005-05-13 2008-01-23 Katomokuzai Kogyo Co., Ltd Corps stratifie, dispositif et procede pour sa fabrication et element de coupe utilise pour sa fabrication
EP3778162A4 (fr) * 2018-03-30 2021-12-22 Katomokuzai Kogyo Co., Ltd. Procédé de fabrication de produit revêtu et dispositif de fabrication

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0531261A2 (fr) * 1991-08-08 1993-03-10 MOBILI BERLONI - S.p.A. Feuille en laminé plastique pour le revêtement de surfaces autoportantes caractérisée en ce qu'elle est équipée de zones d'épaisseur réduite

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0531261A2 (fr) * 1991-08-08 1993-03-10 MOBILI BERLONI - S.p.A. Feuille en laminé plastique pour le revêtement de surfaces autoportantes caractérisée en ce qu'elle est équipée de zones d'épaisseur réduite

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1880838A1 (fr) * 2005-05-13 2008-01-23 Katomokuzai Kogyo Co., Ltd Corps stratifie, dispositif et procede pour sa fabrication et element de coupe utilise pour sa fabrication
EP1880838A4 (fr) * 2005-05-13 2012-04-25 Katomokuzai Kogyo Co Ltd Corps stratifie, dispositif et procede pour sa fabrication et element de coupe utilise pour sa fabrication
EP3778162A4 (fr) * 2018-03-30 2021-12-22 Katomokuzai Kogyo Co., Ltd. Procédé de fabrication de produit revêtu et dispositif de fabrication

Also Published As

Publication number Publication date
ES1048527U (es) 2001-09-01
ES1048527Y (es) 2001-12-16

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