EP1442858A1 - A method of producing veneered doors - Google Patents

A method of producing veneered doors Download PDF

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Publication number
EP1442858A1
EP1442858A1 EP04001297A EP04001297A EP1442858A1 EP 1442858 A1 EP1442858 A1 EP 1442858A1 EP 04001297 A EP04001297 A EP 04001297A EP 04001297 A EP04001297 A EP 04001297A EP 1442858 A1 EP1442858 A1 EP 1442858A1
Authority
EP
European Patent Office
Prior art keywords
paper
sheet
wood
decorative
covering panel
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP04001297A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1442858A9 (en
Inventor
Claudio Cesare Botto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ITALPORTE S.P.A
Original Assignee
Jolly Legno Srl
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jolly Legno Srl filed Critical Jolly Legno Srl
Publication of EP1442858A1 publication Critical patent/EP1442858A1/en
Publication of EP1442858A9 publication Critical patent/EP1442858A9/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C5/00—Processes for producing special ornamental bodies
    • B44C5/04—Ornamental plaques, e.g. decorative panels, decorative veneers
    • B44C5/043—Ornamental plaques, e.g. decorative panels, decorative veneers containing wooden elements
    • 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
    • B27N7/005—Coating boards, e.g. with a finishing or decorating layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44F—SPECIAL DESIGNS OR PICTURES
    • B44F9/00—Designs imitating natural patterns
    • B44F9/02—Designs imitating natural patterns wood grain effects
    • 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

Definitions

  • the present invention relates in general to a method of producing veneered doors and, more particularly, veneered doors having panels that are covered with sheets of decorative furniture paper.
  • sheets of decorative furniture paper is used to indicate not only actual sheets of paper printed so as to reproduce the appearance of wood but, in general, sheets of any other material (for example, of plastics material such as PVC) which can be subjected to a printing process in order to adopt an appearance similar to that of wood.
  • veneering process which consists in applying to the frame of the door leaf, which is made of low quality wood, one or more covering panels each composed of a series of strips of wood (for example, fir), a wood-pulp substrate, and an outer, thin layer of good quality wood (of the order of a few tenths of a millimetre thick).
  • the veneering method is advantageously used to produce so-called imitation heartwood doors, that is, doors the leaves of which reproduce the contrast effect between the vertical grain of the two vertical side elements of the leaf (the stiles) and the horizontal grain of the horizontal elements of the leaf (the rails) which extend between the two stiles.
  • imitation heartwood effect is achieved simply by applying a panel with a vertical grain in the region of each stile of the leaf and a panel with a horizontal grain in the region of each rail.
  • Novel materials such as sheets of decorative furniture paper have recently been introduced for the production of the outer layer of veneering panels the paper being subjected to a special printing process in order to reproduce faithfully the colour and grain of natural wood and then impregnated with melamine resins.
  • the object of the present invention is therefore to provide a method of producing veneered, imitation heartwood doors that are covered with decorative furniture paper.
  • a veneered, imitation heartwood door leaf is generally indicated 10 and, in the embodiment shown, has a pair of glazed openings 11 and 12, that is, an upper opening and a lower opening, respectively.
  • the veneer reproduces the contrast effect between the vertical grain of a pair of vertical side portions 13, or imitation stiles, and the horizontal grain of a series of central horizontal portions 14, or imitation rails, which extend between the two imitation stiles and delimit the openings 11, 12 at the top and at the bottom.
  • a continuous central portion with a horizontal grain will extend between the two imitation stiles.
  • the first step of the method consists in producing the sheet of decorative paper intented be applied to the outer surface of the veneering panel to be fixed to the internal structure of the door leaf.
  • a roll of decorative furniture paper of per-se-known type is subjected to a printing process by means of which both the vertical grain (that is, the longitudinal grain with reference to the direction of unrolling of the roll of paper) and the horizontal grain (that is, the transverse grain) are printed simultaneously.
  • a piece of printed decorative paper sheet according to the present invention is shown schematically in Figure 2.
  • the decorative paper is printed by the superimposition of a series of print layers each of which is produced by a respective printing cylinder 16.
  • Each printing cylinder is prepared by means of a suitable apparatus, generally indicated 15 in Figure 3.
  • the main difficulty to be overcome in performing two-directional printing that is, printing which provides both for a pattern extending longitudinally and for a pattern extending transversely, is represented by the different colour setting that is required when printing in the longitudinal direction, in comparison with that required when printing in the transverse direction.
  • the movements of the longitudinal register of the printing machine may give rise to a longitudinal offset between the various print layers and hence to a blurred effect in the transverse grain of the pattern, which reduces the final print quality to an unacceptable level.
  • the design of each print layer is defined so as to exclude any obligatory point of coincidence, or of intersection, between the layers, by means of the use of various blurring filters.
  • FIG 4 there is shown an apparatus, generally indicated 17, in which the various types of printing paper are tested and the colour setting is performed in order to determine the correct printing definition.
  • the definitive data for proceeding to the engraving of the printing cylinders by means of the apparatus 15 ( Figure 3) is derived from the experimental results obtained.
  • the paper After printing, the paper is impregnated in per-se-known manner with melamine resins which enable to give the paper the final appearance of a wooden door panel.
  • the impregnated paper is supplied in stiff sheets of predetermined format, for example 2440 mm x 1830 mm which, at this point, have to be arranged perfectly in alignment on wood or wood-pulp substrates so as to form the veneering panels to be applied to the door.
  • a reference line of a very clear colour is drawn on the printed paper for a set of laser devices of an alignment station which are intended to guide the sheet of paper on the wood substrate.
  • This alignment station is disposed at the input of a press in which the wood substrate and impregnated paper assembly is subjected to predetermined pressure and temperature conditions so as to give rise to the chemical reaction which causes the melamine resin of the paper to fuse onto the surface of the wood substrate, thus enabling to produce a single panel having the superficial appearance of wood.
  • the panel thus produced is then applied to the door leaf by the method generally used for the production of veneered doors.
  • the main advantage of the invention is that the simultaneous printing of both the vertical grain and the horizontal grain enables a single panel to be produced for application to the door leaf without the need to perform various cutting and gluing operations which would increase the processing time and the number of rejects.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Forests & Forestry (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
EP04001297A 2003-01-29 2004-01-22 A method of producing veneered doors Withdrawn EP1442858A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITTO20030052 2003-01-29
ITTO20030052 ITTO20030052A1 (it) 2003-01-29 2003-01-29 Procedimento per la produzione di porte impiallacciate

Publications (2)

Publication Number Publication Date
EP1442858A1 true EP1442858A1 (en) 2004-08-04
EP1442858A9 EP1442858A9 (en) 2009-07-29

Family

ID=32652482

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04001297A Withdrawn EP1442858A1 (en) 2003-01-29 2004-01-22 A method of producing veneered doors

Country Status (5)

Country Link
EP (1) EP1442858A1 (it)
IT (1) ITTO20030052A1 (it)
PL (1) PL207786B1 (it)
RU (1) RU2347055C2 (it)
UA (1) UA35709U (it)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1734219A2 (en) * 2005-06-13 2006-12-20 Visel Puertas, S.A. Method for decorating doors and doors obtained thereby
CN101021134B (zh) * 2007-03-28 2010-05-19 刁宏伟 一种仿嵌板式门扇及其加工方法
WO2012030310A1 (en) * 2010-09-02 2012-03-08 Yildiz Entegre Agac Sanayi Ve Ticaret Anonim Sirketi A method for manufacturing a door panel
US8201333B2 (en) 2009-02-25 2012-06-19 Masonite Corporation Method of making flush door skins
CN104400868A (zh) * 2013-11-19 2015-03-11 柳州林道轻型木结构制造有限公司 贴木皮实木门板的制作方法
CN105545178A (zh) * 2015-12-29 2016-05-04 常熟市利尔建材有限公司 复合材料仿真实木门

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202009014669U1 (de) * 2009-10-30 2010-01-21 Hueck Rheinische Gmbh Werkstoffplatte mit Dekorschicht und Prägung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2638787A1 (de) * 1976-08-27 1978-03-02 Westag & Getalit Ag Verfahren zur herstellung eines moebelwandelementes oder tuerblattes und insbesondere nach einem derartigen verfahren hergestelltes moebelwandelement oder tuerblatt
GB2301312A (en) * 1995-08-31 1996-12-04 Woodberry Bros & Haines Ltd Furniture panels
GB2345469A (en) * 1998-10-26 2000-07-12 Auto Plas International Limite Embossing of a plastic sheet in register with a printed pattern to look and feel like woodgrain
US6309503B1 (en) * 1998-02-06 2001-10-30 Mdf, Inc. Flat skinned door that simulates a three dimensional molded skin door and corresponding method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2638787A1 (de) * 1976-08-27 1978-03-02 Westag & Getalit Ag Verfahren zur herstellung eines moebelwandelementes oder tuerblattes und insbesondere nach einem derartigen verfahren hergestelltes moebelwandelement oder tuerblatt
GB2301312A (en) * 1995-08-31 1996-12-04 Woodberry Bros & Haines Ltd Furniture panels
US6309503B1 (en) * 1998-02-06 2001-10-30 Mdf, Inc. Flat skinned door that simulates a three dimensional molded skin door and corresponding method
GB2345469A (en) * 1998-10-26 2000-07-12 Auto Plas International Limite Embossing of a plastic sheet in register with a printed pattern to look and feel like woodgrain

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1734219A2 (en) * 2005-06-13 2006-12-20 Visel Puertas, S.A. Method for decorating doors and doors obtained thereby
ES2283185A1 (es) * 2005-06-13 2007-10-16 Visel Puertas, S.A. Procedimiento de decoracion de puertas y puertas asi decoradas.
EP1734219A3 (en) * 2005-06-13 2012-06-27 Visel Puertas, S.A. Method for decorating doors and doors obtained thereby
CN101021134B (zh) * 2007-03-28 2010-05-19 刁宏伟 一种仿嵌板式门扇及其加工方法
US8201333B2 (en) 2009-02-25 2012-06-19 Masonite Corporation Method of making flush door skins
WO2012030310A1 (en) * 2010-09-02 2012-03-08 Yildiz Entegre Agac Sanayi Ve Ticaret Anonim Sirketi A method for manufacturing a door panel
CN104400868A (zh) * 2013-11-19 2015-03-11 柳州林道轻型木结构制造有限公司 贴木皮实木门板的制作方法
CN105545178A (zh) * 2015-12-29 2016-05-04 常熟市利尔建材有限公司 复合材料仿真实木门

Also Published As

Publication number Publication date
ITTO20030052A1 (it) 2004-07-30
PL207786B1 (pl) 2011-02-28
UA35709U (ru) 2008-10-10
PL364616A1 (en) 2004-08-09
EP1442858A9 (en) 2009-07-29
RU2004102581A (ru) 2005-07-10
RU2347055C2 (ru) 2009-02-20

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