EP2192258A2 - Tür - Google Patents

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Publication number
EP2192258A2
EP2192258A2 EP09177157A EP09177157A EP2192258A2 EP 2192258 A2 EP2192258 A2 EP 2192258A2 EP 09177157 A EP09177157 A EP 09177157A EP 09177157 A EP09177157 A EP 09177157A EP 2192258 A2 EP2192258 A2 EP 2192258A2
Authority
EP
European Patent Office
Prior art keywords
layer
door
board
framework
boards
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Withdrawn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
EP09177157A
Other languages
English (en)
French (fr)
Other versions
EP2192258A3 (de
Inventor
Bo Ekstrand
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.)
Ekstrand & Son AB
Original Assignee
Ekstrand & Son AB
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 Ekstrand & Son AB filed Critical Ekstrand & Son AB
Publication of EP2192258A2 publication Critical patent/EP2192258A2/de
Publication of EP2192258A3 publication Critical patent/EP2192258A3/de
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • 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
    • 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
    • E06B3/72—Door leaves consisting of frame and panels, e.g. of raised panel type
    • 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
    • E06B2003/7049—Specific panel characteristics
    • E06B2003/7051—Specific panel characteristics of layered construction involving different materials

Definitions

  • the present invention concerns a door including a first board, that defines a first flat side of the door, an opposite second board, that defines a second flat side of the door, and a framework, that is placed between said boards, wherein the framework is permanently attached to the boards and extends along edges of these, and wherein each board on an inside facing the framework has a first layer, that comprises of a sheet of high-pressure laminate.
  • a common way to achieve protection against moisture entry is use of an aluminum sheet between the surface layer of the door and an inner framework thereof.
  • the sheet works well as a moisture protection for the framework as such, but does not prevent entry of moisture into the surface layer of the door.
  • delamination between the aluminum sheet and the surface layer is by no means an exceptional problem with such doors.
  • a second problem especially with aluminum sheets is that the material has a rather large thermal expansion coefficient of 2,3 mm/metre/100 Kelvin. In wintertime for a door with a typical height of two metres this can mean temperature depending length differences of approximately 2 mm between the outside and the inside of the door at an outdoor temperature of -25°C and an indoor temperature of +20°C. This is of course disadvantageous for the dimensional stability of the door and can also contribute to the delamination mentioned above.
  • a door face comprises of thin sheets of high-pressure laminate which are glued onto both sides of a wooden veneer.
  • a door face can due to the material choice be produced at a lower cost than a door face including thick sheets of solid high-pressure laminate, but due to the wooden veneer there is great risk of moisture damages, delamination and so on.
  • the object of the invention is to further develop the idea of using high-pressure laminate sheets towards lower manufacturing costs, better heat insulation in spite of an unchanged total thickness and an enhanced freedom of design.
  • each board on an outside of said first layer has a second layer, that comprises of a sheet containing a thermosetting plastic or plastic granules and a bonding agent, wherein the second layer in relation to the first layer has at least the double thickness.
  • each board outside the second layer has a third layer, that comprises of a sheet of high-pressure laminate, wherein the second layer in relation to the third layer has at least four times the thickness thereof.
  • a sandwich is created, that provides for added rigidity compared with the first embodiment, wherein in this sandwich the first and the third layers preferably have the same thickness.
  • the sheet material selected is rather easy to work upon and therefore it is possible, if desired, to form on at least one of the flat sides of the door decorative grooves in a board, said grooves leaving the first layer of the board intact. Hence, the dimensional stability is preserved on an acceptable high level.
  • the boards are glued directly to the framework, said framework having a filling of a dimensionally stable insulating material, that also is glue to the boards.
  • the first layer of high-pressure laminate has a thickness in the interval of 0,5 - 3,0 mm, preferably in the interval of 0,7 - 1,2 mm and most preferred of 0,8 mm, wherein the bigger thicknesses primarily come into use for solutions with only one sheet of high-pressure laminate on each side of the door and the smaller thicknesses primarily come into use for solutions with two sheets of high-pressure laminate on each side of the door (the sandwich mentioned above).
  • the plastic granules of the second layer preferably consist of shred, regained polyurethane of a mixed fraction.
  • a regained material is rather inexpensive and is offered for sale in the form of sheets, for instance labeled Ekronit TM , which are held together by means of a bonding agent, such as isocyanate.
  • the bonding agent of the second layer suitably is diffusion proof, which also promotes the moisture proofness of the door.
  • the door 1 shown in fig. 1 of the drawings is intended to be used as an entrance door especially in cold climates. Therefore it contains insulation 2 in the form of a dimensionally stable expanded plastic core (EPS or PUR), that fills the space inside of a rectangular wooden framework 3, which for instance can be sized WxHxD 920x2000x50 mm. Then the framework timber itself can have a cross-section of for instance 60x50 mm and is preferably of pinewood.
  • EPS dimensionally stable expanded plastic core
  • first and a second board 4, 5 are attached by means of an appropriate moisture proof glue, such as a PUR glue.
  • the boards 4, 5 define a first and a second flat side 6, 7 respectively of the door 1, which means that the framework 3 only shows along edges 8 of the door 1, that is, in case the door 1 does not have a rebate.
  • the boards 4, 5 have a thickness of 8,6 mm each, which means that the described door 1 has a total thickness of 67,2 mm.
  • Both boards 4, 5 are identically made and comprise of three layers each.
  • the first or internal layer, thus the one facing the framework 3, is a layer 4.1, 5.1 of high-pressure laminate.
  • High-pressure laminates are offered for sale in the form of sheets with thickness dimensions ranging from approximately 0,5 mm to 20 mm and consist of a large number of sheets of paper, which with the aid of phenolic resin and high pressure have been formed into a unit, that has a rather hard surface, is diffusion or moisture proof and has a rather small coefficient of expansion.
  • the layers 4.1, 5.1 have a thickness of 0,8 mm.
  • first and the second layers 4.1, 5.1, 4.2, 5.2 are attached to each other with the aid of a moisture proof glue, as for instance a PUR glue.
  • each second layer 4.2, 5.2 there is a third layer 4.3, 5.3, which like the first layer comprises of a sheet shaped high-pressure laminate with a thickness corresponding to the one of the first layer 4.1, 5.1.
  • the third layers 4.3, 5.3 have an outside that appears on the flat sides 6, 7 of the door 1, the high-pressure laminate of the third layers 4.3, 5.3 in a well-known way can be tinted or for instance wood patterned (compare kitchen worktops). However, they can also, exactly as the second layer 4.2, 5.2 where it shows, simply be varnished, wherein they due to their density form a basis, onto which the paint sticks for long time without risk for crackling.
  • the second and third layers 4.2, 5.2, 4.3, 5.3 are like the layers described above also attached to each other with the aid of a moisture proof glue, such as a PUR glue.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Laminated Bodies (AREA)
EP09177157.6A 2008-11-26 2009-11-26 Tür Withdrawn EP2192258A3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0802480A SE533150C2 (sv) 2008-11-26 2008-11-26 Dörr

Publications (2)

Publication Number Publication Date
EP2192258A2 true EP2192258A2 (de) 2010-06-02
EP2192258A3 EP2192258A3 (de) 2013-12-04

Family

ID=41650102

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09177157.6A Withdrawn EP2192258A3 (de) 2008-11-26 2009-11-26 Tür

Country Status (2)

Country Link
EP (1) EP2192258A3 (de)
SE (1) SE533150C2 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2436867A2 (de) 2010-10-01 2012-04-04 VKR Holding A/S Isolierte Verbundstofftür mit einer Schicht aus Hochdrucklaminat
CN102926629A (zh) * 2012-10-17 2013-02-13 湖南城市学院 一种复合板门扇及其生产方法
EP2907958A1 (de) * 2014-02-14 2015-08-19 Sand Türen GmbH Verfahren zur herstellung von türblättern

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4146662A (en) 1978-01-30 1979-03-27 Simpson Timber Company Warp and weather resistant solid core wood door and method of making

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6485800B1 (en) * 2001-02-07 2002-11-26 Jeld-Wen, Inc. Articles of composite structure having appearance of wood
FR2927113B1 (fr) * 2008-01-31 2010-04-30 Yvon Caillaud Ouvrants dans le domaine de la menuiserie

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4146662A (en) 1978-01-30 1979-03-27 Simpson Timber Company Warp and weather resistant solid core wood door and method of making

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2436867A2 (de) 2010-10-01 2012-04-04 VKR Holding A/S Isolierte Verbundstofftür mit einer Schicht aus Hochdrucklaminat
CN102926629A (zh) * 2012-10-17 2013-02-13 湖南城市学院 一种复合板门扇及其生产方法
EP2907958A1 (de) * 2014-02-14 2015-08-19 Sand Türen GmbH Verfahren zur herstellung von türblättern

Also Published As

Publication number Publication date
SE0802480A1 (sv) 2010-05-27
SE533150C2 (sv) 2010-07-06
EP2192258A3 (de) 2013-12-04

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