WO1991013769A1 - Method for forming grooved panels faced with thermodeformable material, and panel obtained by the method - Google Patents
Method for forming grooved panels faced with thermodeformable material, and panel obtained by the method Download PDFInfo
- Publication number
- WO1991013769A1 WO1991013769A1 PCT/EP1991/000398 EP9100398W WO9113769A1 WO 1991013769 A1 WO1991013769 A1 WO 1991013769A1 EP 9100398 W EP9100398 W EP 9100398W WO 9113769 A1 WO9113769 A1 WO 9113769A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- groove
- substrate
- forming
- wall
- tool
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000000463 material Substances 0.000 title claims abstract description 21
- 239000000758 substrate Substances 0.000 claims abstract description 22
- 239000004033 plastic Substances 0.000 claims description 6
- 239000000470 constituent Substances 0.000 claims 2
- 238000003801 milling Methods 0.000 description 6
- 210000003195 fascia Anatomy 0.000 description 3
- 239000011093 chipboard Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
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
- A47B96/00—Details of cabinets, racks or shelf units not covered by a single one of groups A47B43/00 - A47B95/00; General details of furniture
- A47B96/20—Furniture panels or like furniture elements
- A47B96/201—Edge features
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/70—Door leaves
- E06B3/7001—Coverings therefor; Door leaves imitating traditional raised panel doors, e.g. engraved or embossed surfaces, with trim strips applied to the surfaces
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/006—Doors, windows, or like closures for special purposes; Border constructions therefor for furniture
Definitions
- This invention relates to a method for forming grooved panels faced with thermodeformabie material, and a panel obtained by the method.
- thermodeformabie material for use generally for doors and/or front sections of furniture. They generally comprise a chipboard or MDF substrate in which grooves of the desired ornamental cross- section motif are formed generally by copy milling.
- thermoplastic material is then applied to the thus prepared substrate, generally with a hot press, to cover at least the front surface and possibly the edges of the panel, and adhere to the walls of the previously prepared grooves.
- the traditional method of forming the grooves by copy milling means that at the corner joints between two straight lengths of groove, the connection between the outer walls must be rounded, with a radius not less than the radius of the cutter,
- An object of the invention is to provide grooved panels faced with thermodeformabie material, in which the grooves are of sharp corner also at the joints between the outer walls.
- a further object of the invention is to provide grooved panels faced with thermodeformabie material, in which the groove can be surrounded externally by a fascia raised from the plane of the panel.
- a further object of the invention is to provide grooved panels of the aforesaid type using conventional equipment both to prepare the substrate and to effect the facing with the sheet of plastic thermodeformabie material.
- thermodeformabie material characterised by forming in a substrate grooves having at least their outer wall flat, then to said wall applying separately-prepared portions of profiled sections chamfered at their ends to form sharp-edged joints in the corners, and finally applying a facing sheet to the thus treated substrate.
- the panel obtained is formed of a substrate comprising grooves which join together with a sharp edge at the corners, and faced with a sheet of plastic thermodeformabie material.
- Figure 1 is a plan view of a panel portion in an intermediate working stage
- Figure 2 is a cross-section therethrough on the line II-II of
- Figure 3 shows it in the same view as Figure 1 on termination of facing stage
- Figure 4 is a cross-section therethrough on the line IV-IV of
- Figure 5 shows it in the same view as Figure 1 but in a different embodiment of the method
- Figure 6 is a cross-section on the line VI-V1 of Figure 5;
- Figure 7 shows it in the same view as figure 5, on termination of the facing stage;
- Figure 8 is a cross- section therethrough on the line VIII- VIII of Figure 7;
- Figure 9 shows it in the same view as Figure 1 but in a third embodiment of the method
- Figure 10 is a cross-section therethrough on the line X-X of
- Figure 11 shows it in the same view as Figure 9 , on termination of the facing stage
- Figure 12 is a cross-section therethrough on the line XII-XII of Figure 11;
- Figure 13 shows it in the same view as Figure 1 but in a fourth embodiment of the method
- Figure 14 is a cross-section therethrough on the line XIV-XIV of Figure 13 ;
- Figure 15 shows it in the same view as Figure 13, on termination of the facing stage
- Figure 16 is a cross-section therethrough on the line XVI-XVI of Figure 15.
- the method according to the invention is used, in the embodiment shown in Figures 1 to 4, to obtain panels with a groove the outer edge of which is not raised from the exposed surface of the panel.
- a substrate 1 is subjected to copy milling, to form in it one or more grooves 2 having the desired ornamental motif.
- Each groove 2 is formed by two milling passes using two different tools 3, 4.
- the first tool which forms the inner wall 5 of each groove, consists of a cutter 3 shaped to correspond to the particular design of said wall 5.
- the second tool which forms the flat outer wall 6 inclined to the upper surface of the substrate 1, consists of a conical cutter with its angle corresponding to this inclination.
- the conical cutter 4 can also form a sharp-edged joint between the two outer wall portions 6 provided it is removed from the groove 2 with an outward and upward translational movement (see arrow in Figures 1 and 2) with an inclination equal to that of the tool generators.
- the groove or grovves 2 in the substrate 1 have their inner wall 5 of finished form and their outer wall 6 flat and inclined.
- a separately prepared profiled frame 8 chamfered at its corners to form a sharp-edged joint is then appied to the outer wall 6.
- the panel is then subjected to conventional facing with a. sheet of plastic thermodeformabie material 9, which covers the entire surface to give the panel its final shape, with the grooves forming a sharp-edged joint at the corners.
- the final stage of the method is the traditional facing of the substrate 1 of a sheet 9 of suitable thermodeformabie material.
- Figures 9 to 12 illustrate a third embodiment of the method, which while comprising the formation of a recess 11' for receiving the ends of the two angle-chamfered sections 8, can use sections of a lower height than the depth of the grooves 2.
- the inner wall 5 of the groove 2 is formed by a traditional profiled cutter 3
- the outer wall 6' is formed by two passes at different height with a cylindrical cutter 4" of height less than the depth of the groove 2, so that the recess 11' formed in this manner does not reach the upper surface of the panel, but instead stops at a lower level.
- the recess thus formed can then house the chamfered ends of the two outer sections 8 and the entire surface finally be faced with the sheet of plastic thermodeformabie material 9 which covers all joints.
- the thin diaphgram 12 which covers the recess 11' , and which is curved in plan view at the corner, represents an obstacle to obtaining a sharp-edged joint between the two profiled sections 8, it can be removed with a conical cutter, used as indicated in relation to Figures 1 to 4.
- the inner wall 5 of the groove 2 and the base are formed by milling the panel 1, the groove outer wall being obtained by means of a separately formed profiled section 8 applied to the flat wall 6 or 6' of the groove.
- the starting panel 1 must be formed of good quality material which can be milled without producing any irregularity or disintegration of the worked surface.
- chipboard panels of poor quality may sometimes have to be used in which it is not possible to form a groove with perfectly finished walls, the invention provides the embodiment shown in Figures 13 to 16, by which a groove 2' of rectangular cross-section is formed in the panel 1, to then house a profiled section 13 formed of better quality material and reproducing the ornamental motif of the complete groove.
- a cutter 14 with a conical tip 15 and an overlying cylindrical portion 16 of height less than the height of the groove 2'.
- first groove with rounded outer corners can be made with a first pass of the cutter 14, followed by a pass using a deeper cutter to complete the groove and also form the corner recesses 11', which are covered by a thin corner diaphgram 12.
- the ability to remove the diaphgram 12 is due essentially to the lower conical tip 15 of the cutter 14, this tip forming a triangular groove 17 in the base of the groove 2.
- the triangular groove 17 is completely hidden from view by the fact of totally covering the groove 2' with the separately formed profiled section 13.
- the panel When the section 13 has been applied, the panel can be covered in the traditional manner with a sheet of plastic thermodeformabie material 9. It is also possible to face the grooved panel 1 before applying the section 13, which can be finished and possibly covered separately with a sheet of thermodeformabie material of different characteristics.
- This latter embodiment is particularly advantageous in that besides allowing the use of panels which in themselves would not allow profiled grooves to be directly formed in them, it enables the base grooves to be formed without changing the tool.
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT84113A IT1239239B (it) | 1990-03-13 | 1990-03-13 | Metodo per realizzare pannelli scanalati rivestiti di materiale termodeformabile e pannello ottenuto con il metodo |
IT84113A/90 | 1990-03-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1991013769A1 true WO1991013769A1 (en) | 1991-09-19 |
Family
ID=11324187
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1991/000398 WO1991013769A1 (en) | 1990-03-13 | 1991-03-04 | Method for forming grooved panels faced with thermodeformable material, and panel obtained by the method |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU7476591A (it) |
IT (1) | IT1239239B (it) |
WO (1) | WO1991013769A1 (it) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000067613A1 (en) * | 1999-05-07 | 2000-11-16 | 3B S.P.A. | Wood-based furniture panel clad with thermodeformable material |
WO2001012015A1 (en) * | 1999-08-15 | 2001-02-22 | Liga Etz Ltd. | Panels finished in laminate with decorative elevations and depressions extending in diverse orientations and a method for their production |
DE102007002589A1 (de) * | 2007-01-12 | 2008-07-17 | Herport Innenausbauelemente Gmbh & Co. Kg | Verfahren zur Herstellung eines Türblattes und nach dem Verfahren hergestelltes Türblatt |
ITUD20100078A1 (it) * | 2010-04-15 | 2011-10-16 | Arko S P A | "anta rivestita in foglia polimerica termoformabile per mobili da bagno, cucina, con maniglia integrata complanare" |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1988236A (en) * | 1934-06-11 | 1935-01-15 | Boynton & Company | Decorative molding and the like |
DE2400467B1 (de) * | 1974-01-05 | 1975-07-03 | Gebrueder Halbert, 4970 Bad Oeynhausen | Vorrichtung zum Bekleben von Platten, Stäben oder Profilen mit Folien |
GB1471529A (en) * | 1974-06-27 | 1977-04-27 | Raw K | Decorated parts of burial cabinets and methods of providing them |
CA1228463A (en) * | 1986-05-23 | 1987-10-27 | Vincent Corvese | Recessed decorative moulding for wood panel |
EP0300156A2 (de) * | 1987-07-22 | 1989-01-25 | REPOL POLYESTER-PRODUKTE GMBH & CO.KG. | Mehrschicht-Ornamentplatte sowie Verfahren zur Herstellung einer Mehrschicht-Ornamentplatte |
EP0324038A1 (de) * | 1988-01-12 | 1989-07-19 | VD-Werkstätten GmbH & Co. KG | Verfahren zur Herstellung einer Möbelfrontplatte sowie nach diesem Verfahren hergestellte Möbelfrontplatte |
-
1990
- 1990-03-13 IT IT84113A patent/IT1239239B/it active IP Right Grant
-
1991
- 1991-03-04 AU AU74765/91A patent/AU7476591A/en not_active Abandoned
- 1991-03-04 WO PCT/EP1991/000398 patent/WO1991013769A1/en unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1988236A (en) * | 1934-06-11 | 1935-01-15 | Boynton & Company | Decorative molding and the like |
DE2400467B1 (de) * | 1974-01-05 | 1975-07-03 | Gebrueder Halbert, 4970 Bad Oeynhausen | Vorrichtung zum Bekleben von Platten, Stäben oder Profilen mit Folien |
GB1471529A (en) * | 1974-06-27 | 1977-04-27 | Raw K | Decorated parts of burial cabinets and methods of providing them |
CA1228463A (en) * | 1986-05-23 | 1987-10-27 | Vincent Corvese | Recessed decorative moulding for wood panel |
EP0300156A2 (de) * | 1987-07-22 | 1989-01-25 | REPOL POLYESTER-PRODUKTE GMBH & CO.KG. | Mehrschicht-Ornamentplatte sowie Verfahren zur Herstellung einer Mehrschicht-Ornamentplatte |
EP0324038A1 (de) * | 1988-01-12 | 1989-07-19 | VD-Werkstätten GmbH & Co. KG | Verfahren zur Herstellung einer Möbelfrontplatte sowie nach diesem Verfahren hergestellte Möbelfrontplatte |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000067613A1 (en) * | 1999-05-07 | 2000-11-16 | 3B S.P.A. | Wood-based furniture panel clad with thermodeformable material |
WO2001012015A1 (en) * | 1999-08-15 | 2001-02-22 | Liga Etz Ltd. | Panels finished in laminate with decorative elevations and depressions extending in diverse orientations and a method for their production |
DE102007002589A1 (de) * | 2007-01-12 | 2008-07-17 | Herport Innenausbauelemente Gmbh & Co. Kg | Verfahren zur Herstellung eines Türblattes und nach dem Verfahren hergestelltes Türblatt |
DE102007002589B4 (de) * | 2007-01-12 | 2016-12-15 | Herport Innenausbauelemente Gmbh & Co. Kg | Verfahren zur Herstellung eines Türblattes und nach dem Verfahren hergestelltes Türblatt |
ITUD20100078A1 (it) * | 2010-04-15 | 2011-10-16 | Arko S P A | "anta rivestita in foglia polimerica termoformabile per mobili da bagno, cucina, con maniglia integrata complanare" |
Also Published As
Publication number | Publication date |
---|---|
AU7476591A (en) | 1991-10-10 |
IT9084113A1 (it) | 1991-09-14 |
IT1239239B (it) | 1993-09-28 |
IT9084113A0 (it) | 1990-03-13 |
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