EP1184525A1 - Faserplatte - Google Patents
Faserplatte Download PDFInfo
- Publication number
- EP1184525A1 EP1184525A1 EP01119297A EP01119297A EP1184525A1 EP 1184525 A1 EP1184525 A1 EP 1184525A1 EP 01119297 A EP01119297 A EP 01119297A EP 01119297 A EP01119297 A EP 01119297A EP 1184525 A1 EP1184525 A1 EP 1184525A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- density
- plate
- maximum
- core
- plate according
- 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.)
- Granted
Links
- 239000000835 fiber Substances 0.000 claims abstract description 3
- 239000003292 glue Substances 0.000 claims abstract description 3
- 229920002635 polyurethane Polymers 0.000 claims abstract description 3
- 239000004814 polyurethane Substances 0.000 claims abstract description 3
- 239000011230 binding agent Substances 0.000 claims description 3
- 239000011094 fiberboard Substances 0.000 abstract description 2
- 239000007767 bonding agent Substances 0.000 abstract 1
- 238000009413 insulation Methods 0.000 description 4
- 229920002522 Wood fibre Polymers 0.000 description 3
- 239000002025 wood fiber Substances 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000002557 mineral fiber Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/10—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
- E04C2/16—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products of fibres, chips, vegetable stems, or the like
Definitions
- the invention relates to a plate made of lignocellulosic fibers and and Polyurethane glue as a binder.
- Such a wood fiber board is known for example from DE 196 00 478.
- Panels are used as building boards, for planking ceilings and walls or for example used in the furniture industry.
- the known plates are based on their size is quite heavy and therefore sometimes difficult to handle. Will you Used as building boards, they have to be fastened with special screws in order to prevent the plate from breaking out at the fastening point and from the surface can be solved. The panels must be cut to size carefully to avoid breaking out at the kerf. Overall, processing requires the building boards some experience to get a result with high quality achieve. Especially inexperienced do-it-yourselfers can hardly handle the plates.
- the invention has for its object to improve the known plate.
- the plate described above is characterized by an average bulk density of not more than 350 kg / m 3 , the density profile in the core of the plate being substantially constant over a range of two thirds of the plate thickness symmetrically to the center, and Deviation of the average density in the core from the maximum density in the top layer is a maximum of 15% but a maximum of 30 kg / m 3
- the maximum density in the top layer can be smaller or larger than the middle one Density at the core. If the density in the top layer is lower than in the core, the Impact sound properties of the panel significantly improved.
- a thermal conductivity ⁇ of 0.04-0.05 W / mK can be set for a plate with an average bulk density in the range of 180 kg / m 3 . This means that such a fiberboard insulates like a mineral insulation material.
- the low weight of the plate also allows it, even plate thicknesses of 30 mm or 80 mm to realize, without the handling of the plate being particularly restricted would. This enables very good thermal insulation to be achieved with the panel become.
- the panel also has good sound insulation, in particular impact sound insulation on. So it can be used not only as a door panel, but also as a floor substructure for screed-free floors for covering with carpets or the like Find use.
- the board surface is so fine that cement slurry cannot penetrate and the impact sound insulation is not destroyed becomes. A floor structure can thus be manufactured more cost-effectively. So far Mineral fiber mats used, on which a barrier film had to be placed, to prevent cement slurry from entering.
- the plate preferably has a thickness of 30 mm to 80 mm.
- a core 1 and two cover layers 2 forming the top and bottom of the plate are formed in the ultralight wood fiber board.
- the plate has an average density which is less than or equal to 350 kg / m 3 .
- the average density runs constant over at least two thirds of the plate thickness s symmetrically to the center line M.
- the average density in the outer layers 2 deviates by a maximum of 15% from the average density in the core 1, but is at most 30 kg / m 3 more.
- a tongue (3) can be milled out of the plate, which corresponds to a groove (not shown here) provided on the opposite side edge, so that two plates can be inserted into one another and a wind and moisture-proof connection is created.
- the wood fibers mixed with the binder are used a residual moisture content of 7% to 12% sprinkled and shaped into a mat.
- the Mat is warmed up and further heat energy is supplied in a Contipress pressed to the plate, the mat first continuously except for the Target thickness s of the plate (for example 30 mm) is pressed and the pressure for a constant period of time is kept constant when the target strength s is reached.
- the specific Pressing time is 7 to 10 seconds.
- a specific pressing time is advantageous of 8.5 seconds. Very good results were achieved at a feed rate of 130 mm / s.
- Figure 3 shows the setting of the press (distance) over the length in the distance curve of their frame.
- the associated table of values is shown in FIG. 4, with distance I the setting for a plate of conventional design and distance II the setting for a plate according to the invention.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
- Laminated Bodies (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
Description
- Figur 1 -
- einen Teilausschnitt einer Platte im Querschnitt;
- Figur 2 -
- das Rohdichte-Profil bezogen auf den Querschnitt eines ersten Ausführungsbeispiels;
- Figur 2a -
- das Rohdichte-Profil bezogen auf den Querschnitt eines zweiten Ausführungsbeispiels;
- Figur 3 -
- eine Distanzkurve zur Herstellung einer erfindungsgemäßen Platte;
- Figur 4 -
- die zur Distanzkurve nach Figur 3 zugehörige Wertetabelle.
Claims (4)
- Platte aus lignocellulosehaltigen Fasern und einem Polyurethanleim als Bindemittel mit einer mittleren Rohdichte von nicht mehr als 350 kg/m3, wobei der Dichteverlauf im Kern (1) über einen Bereich von zwei Dritteln der Plattenstärke (s) symmetrisch zur Mitte (M) im wesentlichen konstant ist, und die Abweichung der mittleren Dichte im Kern (1) zur maximalen Dichte in der Deckschicht (2) maximal 15% höchstens jedoch 30 kg/m3 beträgt.
- Platte nach Anspruch 1, gekennzeichnet durch eine Wärmeleitfähigkeit (λ) von 0,04 - 0,05 W/mK.
- Platte nach Anspruch 1 oder 2, gekennzeichnet durch eine Stärke (s) von mindestens 30 mm, insbesondere 30 mm bis 80 mm.
- Platte nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass an mindestens zwei sich gegenüberliegenden Seitenkanten ein Feder-Nut-Profil ausgebildet ist.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SI200130285T SI1184525T1 (en) | 2000-08-30 | 2001-08-10 | Fibreboard |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10042534A DE10042534A1 (de) | 2000-08-30 | 2000-08-30 | Faserplatte |
| DE10042534 | 2000-08-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1184525A1 true EP1184525A1 (de) | 2002-03-06 |
| EP1184525B1 EP1184525B1 (de) | 2004-11-03 |
Family
ID=7654273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01119297A Expired - Lifetime EP1184525B1 (de) | 2000-08-30 | 2001-08-10 | Faserplatte |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP1184525B1 (de) |
| AT (1) | ATE281570T1 (de) |
| DE (2) | DE10042534A1 (de) |
| DK (1) | DK1184525T3 (de) |
| ES (1) | ES2231359T3 (de) |
| PT (1) | PT1184525E (de) |
| SI (1) | SI1184525T1 (de) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005046950A1 (en) * | 2003-11-13 | 2005-05-26 | Swedwood International Ab | Particle board |
| WO2013004433A1 (de) * | 2011-07-01 | 2013-01-10 | Egger Gmbh & Co. Og | Sandwichplatte, insbesondere für ein möbel, sowie herstellungsverfahren |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995020473A1 (en) * | 1994-01-28 | 1995-08-03 | Sunds Defibrator Industries Ab | Method of manufacturing lignocellulosic board |
| EP0733756A2 (de) * | 1995-03-22 | 1996-09-25 | Wilsonart International Inc. | Nut- und Feder-Verbindung und Verfahren zu ihrer Ausführung |
| DE19606262C1 (de) * | 1996-02-21 | 1997-04-17 | Glunz Ag | Verfahren und Vorrichtung zur Herstellung einer mitteldichten Faserplatte |
| DE19600478A1 (de) | 1996-01-09 | 1997-08-07 | Glunz Ag | Verfahren zur Herstellung einer leichten mitteldichten Faserplatte |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5492756A (en) * | 1994-07-22 | 1996-02-20 | Mississippi State University | Kenaf core board material |
| DE19647240B4 (de) * | 1996-11-15 | 2005-06-09 | Fritz Homann Gmbh & Co. Kg | Holzfaserplatte und Verfahren zu ihrer Herstellung |
| JP2002522251A (ja) * | 1998-08-05 | 2002-07-23 | フラウンホーファー ゲゼルシャフト ツア フェルデルング デア アンゲヴァンテン フォルシュング エー ファウ | 中密度ボードの製造方法 |
| US6641909B1 (en) * | 1999-05-18 | 2003-11-04 | Alberta Research Council Inc. | Hemp hurd composite panels and method of making |
-
2000
- 2000-08-30 DE DE10042534A patent/DE10042534A1/de not_active Withdrawn
-
2001
- 2001-08-10 DK DK01119297T patent/DK1184525T3/da active
- 2001-08-10 ES ES01119297T patent/ES2231359T3/es not_active Expired - Lifetime
- 2001-08-10 SI SI200130285T patent/SI1184525T1/xx unknown
- 2001-08-10 PT PT01119297T patent/PT1184525E/pt unknown
- 2001-08-10 EP EP01119297A patent/EP1184525B1/de not_active Expired - Lifetime
- 2001-08-10 AT AT01119297T patent/ATE281570T1/de active
- 2001-08-10 DE DE50104363T patent/DE50104363D1/de not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995020473A1 (en) * | 1994-01-28 | 1995-08-03 | Sunds Defibrator Industries Ab | Method of manufacturing lignocellulosic board |
| EP0733756A2 (de) * | 1995-03-22 | 1996-09-25 | Wilsonart International Inc. | Nut- und Feder-Verbindung und Verfahren zu ihrer Ausführung |
| DE19600478A1 (de) | 1996-01-09 | 1997-08-07 | Glunz Ag | Verfahren zur Herstellung einer leichten mitteldichten Faserplatte |
| DE19606262C1 (de) * | 1996-02-21 | 1997-04-17 | Glunz Ag | Verfahren und Vorrichtung zur Herstellung einer mitteldichten Faserplatte |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005046950A1 (en) * | 2003-11-13 | 2005-05-26 | Swedwood International Ab | Particle board |
| US8398905B2 (en) | 2003-11-13 | 2013-03-19 | Swedwood International Ab | Particle board |
| WO2013004433A1 (de) * | 2011-07-01 | 2013-01-10 | Egger Gmbh & Co. Og | Sandwichplatte, insbesondere für ein möbel, sowie herstellungsverfahren |
| EA025515B1 (ru) * | 2011-07-01 | 2016-12-30 | Фриц Эггер Гмбх Унд Ко. Ог | Многослойная плита для мебели, мебель с многослойной плитой, а также способ изготовления многослойной плиты |
Also Published As
| Publication number | Publication date |
|---|---|
| PT1184525E (pt) | 2005-02-28 |
| EP1184525B1 (de) | 2004-11-03 |
| DK1184525T3 (da) | 2005-01-31 |
| SI1184525T1 (en) | 2005-06-30 |
| DE50104363D1 (de) | 2004-12-09 |
| ES2231359T3 (es) | 2005-05-16 |
| ATE281570T1 (de) | 2004-11-15 |
| DE10042534A1 (de) | 2002-03-28 |
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