WO2007095944A1 - A method of making surface-covered edges on furniture boards in particular - Google Patents

A method of making surface-covered edges on furniture boards in particular Download PDF

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Publication number
WO2007095944A1
WO2007095944A1 PCT/DK2007/000056 DK2007000056W WO2007095944A1 WO 2007095944 A1 WO2007095944 A1 WO 2007095944A1 DK 2007000056 W DK2007000056 W DK 2007000056W WO 2007095944 A1 WO2007095944 A1 WO 2007095944A1
Authority
WO
WIPO (PCT)
Prior art keywords
covering layer
board
boards
working
edges
Prior art date
Application number
PCT/DK2007/000056
Other languages
French (fr)
Inventor
John Nymann Pedersen
Leo Handberg
Original Assignee
Ulmadan A/S
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 Ulmadan A/S filed Critical Ulmadan A/S
Publication of WO2007095944A1 publication Critical patent/WO2007095944A1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B13/00—Details of tables or desks
    • A47B13/08—Table tops; Rims therefor
    • A47B13/083—Rims for table tops
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B95/00—Fittings for furniture
    • A47B95/04—Keyplates; Ornaments or the like
    • A47B95/043—Protecting rims, buffers or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N7/00—After-treatment, e.g. reducing swelling or shrinkage, surfacing; Protecting the edges of boards against access of humidity
    • 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
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
    • B29C70/74—Moulding material on a relatively small portion of the preformed part, e.g. outsert moulding
    • B29C70/76—Moulding on edges or extremities of the preformed part
    • B29C70/763—Moulding on edges or extremities of the preformed part the edges being disposed in a substantial flat plane

Definitions

  • the invention relates to a method of making surface-treated edges on furniture boards, such as chipboards, fibreboards, plywood boards, solid wood boards and laminated boards.
  • the covering layer has been applied to the edge and the faces, these are to be subjected to a subsequent treatment e.g. grinding or milling, which easily results in destruction of the covering layer and subsequent tearing of the fibres, which are exposed now.
  • a subsequent treatment e.g. grinding or milling
  • This imparts an unattractive appearance to the board, and, moreover, it is not protected by means of a barrier layer, and, therefore, moisture may be absorbed, with the consequent risk of weakening and destruction of the board edges. This may cause destruction of boards, in particular in case of outdoor storage of boards at building sites and similar places.
  • the bevelling operation is allowed to comprise a rounding operation, good results may be achieved, and surface-treated boards with rounded edges and corners may be produced.
  • figs. 1A - 1 C show a profile view of a board member before and after application of a covering layer and working
  • figs. 2A - 2D show a profile view of a board member before and after bevelling, application of a covering layer and working
  • figs. 3A - 3D show a profile view of a board member before and after bevelling, application of a covering layer and working
  • figs. 4A - 4D show a profile view of a board member before and after rounding, application of a covering layer and working, and
  • figs. 5A - 5D show a profile view of a board member before and after bevelling, application of a covering layer and working.
  • the board 1 will be referred to as a furniture board below, but this is to be taken to mean that the term comprises boards made by means of finely divided material mixed with a binder and compressed to form the board as well as laminated boards, such as veneer and veneered boards, and moreover solid wood boards.
  • This board may then be cut into suitable lengths, which, as needed, may be coated with some form of a liquid covering material, such as varnish, which is applied to the board edge.
  • a liquid covering material such as varnish
  • the first example which is shown in figs. 1A - 1C, involves the manufac- ture of a board with sharp edges with a covering layer around the board edge 2.
  • the method comprises application of a covering layer 3 in so ample an amount that the layer 3a around edge 2 is extra strong.
  • the subsequent working in the form of grinding or the like may take place without the covering layer 4 being penetrated, so that it extends uninterruptedly after the working, also around the edge where the covering layer 4b will be intact. This provides security against contact with the plate 1 itself, and certainty of an effective moisture barrier.
  • the next example is, as shown in figs. 2A - 2D, a method of providing a rounded edge on the board.
  • the working of the board 1 comprises a bevel 5 in the form of a profiled corner, which gives a good attachment for the covering agent 3 when it is applied, and will create a strong covering layer 3a, which constitutes the corner material.
  • the covering layer 4 will provide a strong and sturdy corner 4a, which will effectively protect the edge against damage.
  • a third example is shown in figs. 3A - 3D.
  • the covering layer 3a will constitute the finished rounded corner 4a after the working, as shown in fig. 3D.
  • a rounded comer may moreover be made as shown in figs. 4A - 4D, where the bevel is formed by a rounded portion 7 of the board edge 2.
  • the covering layer 3a will extend externally on the rounded portion 7 to form a uniform covering layer 4, 4b along the board edge after the working.
  • a bevelled corner may be created with a uniformly extending covering layer 4, 4c.
  • the described methods may all be performed with generally known machinery and application equipment.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Mechanical Engineering (AREA)

Abstract

When furniture boards (1 ) are to be surface-treated with a covering layer and finished such that the board edges (2) are covered completely, the method according to the invention is useful as it ensures an undamaged board edge with an unbroken moisture barrier. The method comprises bevelling of the corner (2, 6, 7) with subsequent application (3, 3a) of a covering layer in so ample amounts that the subse- quent working can take place without the covering layer being penetrated.

Description

A METHOD OF MAKING SURFACE-COVERED EDGES ON FURNITURE BOARDS IN PARTICULAR
The prior art
The invention relates to a method of making surface-treated edges on furniture boards, such as chipboards, fibreboards, plywood boards, solid wood boards and laminated boards.
The use of furniture boards of compressed fibres in the form of e.g. chips for making so-called chipboards and similar boards is rapidly increasing, partly because of their dimensional stability and strength, partly because of their relatively low production costs.
The problem of furniture boards is the weak corners and edges, which are easily damaged, and which are difficult to give the required breaking strength by means of surface agents, such as varnish or other covering agents.
Thus, when the covering layer has been applied to the edge and the faces, these are to be subjected to a subsequent treatment e.g. grinding or milling, which easily results in destruction of the covering layer and subsequent tearing of the fibres, which are exposed now. This imparts an unattractive appearance to the board, and, moreover, it is not protected by means of a barrier layer, and, therefore, moisture may be absorbed, with the consequent risk of weakening and destruction of the board edges. This may cause destruction of boards, in particular in case of outdoor storage of boards at building sites and similar places. The object of the invention
It is the object of the invention to improve the protection of particularly corners and edges on boards, and this is achieved by a method, wherein so thick a covering layer is applied to the board edges that the subsequent working does not touch or damage the board material.
In this surprisingly simple manner, so much covering material is applied to the exposed locations, e.g. along edges and corners, that no penetration of the covering material and thus no tearing of the locations concerned on the board take place.
This results in an unprecedentedly effective covering with covering material and thus a good barrier against moisture penetration, and, following the surface finishing, the board will have a uniform appearance.
When, as stated in claim 2, corners and edges are bevelled prior to the application of the covering layer and a thick layer is applied in these areas at the same time, working may take place without any risk of penetration of the covering layer and thus destruction of the surface of the board.
When, as stated in claim 3, the bevelling operation is allowed to comprise a rounding operation, good results may be achieved, and surface-treated boards with rounded edges and corners may be produced.
Finally, it is expedient, as stated in claim 4, to ensure a uniform covering layer throughout after working, since this will give the board the desired uniform appearance. The drawing
Examples of the performance of the method will be described more fully below with reference to the drawing, in which
figs. 1A - 1 C show a profile view of a board member before and after application of a covering layer and working,
figs. 2A - 2D show a profile view of a board member before and after bevelling, application of a covering layer and working,
figs. 3A - 3D show a profile view of a board member before and after bevelling, application of a covering layer and working,
figs. 4A - 4D show a profile view of a board member before and after rounding, application of a covering layer and working, and
figs. 5A - 5D show a profile view of a board member before and after bevelling, application of a covering layer and working.
Description of the exemplary embodiments
The board 1 will be referred to as a furniture board below, but this is to be taken to mean that the term comprises boards made by means of finely divided material mixed with a binder and compressed to form the board as well as laminated boards, such as veneer and veneered boards, and moreover solid wood boards.
This board may then be cut into suitable lengths, which, as needed, may be coated with some form of a liquid covering material, such as varnish, which is applied to the board edge. This covering material may be coloured, of course, if coloured boards are to be manufactured
The first example, which is shown in figs. 1A - 1C, involves the manufac- ture of a board with sharp edges with a covering layer around the board edge 2. The method comprises application of a covering layer 3 in so ample an amount that the layer 3a around edge 2 is extra strong. Hereby, the subsequent working in the form of grinding or the like may take place without the covering layer 4 being penetrated, so that it extends uninterruptedly after the working, also around the edge where the covering layer 4b will be intact. This provides security against contact with the plate 1 itself, and certainty of an effective moisture barrier.
The next example is, as shown in figs. 2A - 2D, a method of providing a rounded edge on the board.
The working of the board 1 comprises a bevel 5 in the form of a profiled corner, which gives a good attachment for the covering agent 3 when it is applied, and will create a strong covering layer 3a, which constitutes the corner material. After the working, the covering layer 4 will provide a strong and sturdy corner 4a, which will effectively protect the edge against damage.
A third example is shown in figs. 3A - 3D. This, too, involves a covering layer which extends externally on a bevel 6 on the board edge 2. Here, too, the covering layer 3a will constitute the finished rounded corner 4a after the working, as shown in fig. 3D.
A rounded comer may moreover be made as shown in figs. 4A - 4D, where the bevel is formed by a rounded portion 7 of the board edge 2. Here, the covering layer 3a will extend externally on the rounded portion 7 to form a uniform covering layer 4, 4b along the board edge after the working.
Finally, as shown in figs. 5A - 5D, a bevelled corner may be created with a uniformly extending covering layer 4, 4c.
All the shown and described methods will ensure an unbroken covering layer around corners and edges and also provide a good protection of the corner, which becomes sturdy, and the covering layer constitutes a good moisture barrier around the board edge.
The described methods may all be performed with generally known machinery and application equipment.

Claims

PATENT CLAIMS
1. A method of making surface-covered edges on furniture boards, such as chipboards, fibreboards, plywood boards, solid wood boards and laminated boards, characterized in that so thick a covering layer (3, 3a) is applied to the board edges (2, 5, 6, 7) that the subsequent working does not touch or damage the board material (1).
2. A method according to claim 1, characterized in that the board edges (2) are profiled (5, 6, 7) before the covering layer (3) is applied to provide a so suitably thick covering layer (3a) that the subsequent working takes place in the covering material (3a) alone, without the board material (1) being touched.
3. A method of making rounded board edges according to claims 1 and 2, characterized by working, after the application of the covering layer (3, 3a), to provide a rounded corner in the covering layer (4a and 4b) itself (figs.2D, 3D and 4D).
4. A method according to any one of claims 1-3, characterized in that, after the working, the covering layer (4) has essentially the same thickness on the faces and the edge (figs.1C, 4D and 5D).
PCT/DK2007/000056 2006-02-22 2007-02-05 A method of making surface-covered edges on furniture boards in particular WO2007095944A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DKPA200600252 2006-02-22
DKPA200600252 2006-02-22

Publications (1)

Publication Number Publication Date
WO2007095944A1 true WO2007095944A1 (en) 2007-08-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DK2007/000056 WO2007095944A1 (en) 2006-02-22 2007-02-05 A method of making surface-covered edges on furniture boards in particular

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013102351A1 (en) * 2013-03-08 2014-09-11 W. Döllken & Co. GmbH Process for tempering furniture panels

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7118133U (en) * 1971-08-12 Bosse O Device for molding the plastic edging around a furniture plate, for example a table top
DE7620392U1 (en) * 1976-06-26 1976-10-21 Ottensmeyer, Juergen, 4900 Herford FURNITURE FRONT PANEL WITH TAPPING-ELASTIC EDGING FOR USE FOR FURNITURE DOORS, FLAPS, DRAWERS OR SIMILAR PARTS
DE3825473A1 (en) * 1988-07-27 1990-02-01 Nobilia Werke J Stickling Gmbh Method for forming edges on board-like furniture or extension parts, and board-like furniture or extension part
DE9114672U1 (en) * 1991-11-21 1992-02-27 Danielmeyer, Günter, 4972 Löhne Edge strip for furniture panels
DE19940329A1 (en) * 1999-08-25 2001-03-01 Doellken & Co Gmbh W Process for fastening cover strips on the narrow sides of furniture panels

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7118133U (en) * 1971-08-12 Bosse O Device for molding the plastic edging around a furniture plate, for example a table top
DE7620392U1 (en) * 1976-06-26 1976-10-21 Ottensmeyer, Juergen, 4900 Herford FURNITURE FRONT PANEL WITH TAPPING-ELASTIC EDGING FOR USE FOR FURNITURE DOORS, FLAPS, DRAWERS OR SIMILAR PARTS
DE3825473A1 (en) * 1988-07-27 1990-02-01 Nobilia Werke J Stickling Gmbh Method for forming edges on board-like furniture or extension parts, and board-like furniture or extension part
DE9114672U1 (en) * 1991-11-21 1992-02-27 Danielmeyer, Günter, 4972 Löhne Edge strip for furniture panels
DE19940329A1 (en) * 1999-08-25 2001-03-01 Doellken & Co Gmbh W Process for fastening cover strips on the narrow sides of furniture panels

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013102351A1 (en) * 2013-03-08 2014-09-11 W. Döllken & Co. GmbH Process for tempering furniture panels

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