EP0545479A1 - Vorbehandlung von Faserplatten - Google Patents
Vorbehandlung von Faserplatten Download PDFInfo
- Publication number
- EP0545479A1 EP0545479A1 EP92203657A EP92203657A EP0545479A1 EP 0545479 A1 EP0545479 A1 EP 0545479A1 EP 92203657 A EP92203657 A EP 92203657A EP 92203657 A EP92203657 A EP 92203657A EP 0545479 A1 EP0545479 A1 EP 0545479A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hold
- ironing
- profile
- fibreboard
- edge surface
- 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- Withdrawn
Links
Images
Classifications
-
- 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
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/12—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by mechanical means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/06—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to wood
Definitions
- the invention relates to making an edge surface of a wood fibreboard suitable for the application of paint.
- MDFB medium density fibre board
- HDFB high density fibre board
- German published patent application 1,290,849 states the polishing of a surface to be treated with artificial resins and a solvent, on certain conditions as to the concentration of the solvent.
- the Australian patent specification AU-B-549776 describes a treatment which causes a sealant to penetrate into the pores by means of a heated ironing member.
- DE-B-1,180,122 states a treatment at which, under pressure, a liquid thermoplastic is brought into the pores of wood fibreboards.
- German patent specification 906,189 proposes an application of a protein containing solution.
- the invention offers a solution to the last-mentioned disadvantages by providing that the pores in the edge surface are sealed by moving the edge surface along a heated ironing surface while pressing the ironing surface against the edge surface.
- the ironing surface is preferably heated to 250-350°C. It has been found that, in doing so, discolouration as a result of burning can be completely prevented and that, moreover, a smooth surface is obtained which, as experience has shown, forms a well adhesive sub stratum for common paints and varnishes.
- the hold-down pressure is preferably 2-25 kg/cm2. This hold-down pressure is not entirely fixed, because a resilient mounting of hold-down members and ironing members is preferably avoided. Such a resilient mounting does give a well defined hold-down force but its disadvantage is that the members must be withdrawn whenever a new object to be treated is brought in.
- a further elaboration of the invention provides that a profile cut out off a fibre board, which has at least one edge surface reaching from the one main surface of the fibreboard to the other, is propelled in its longitudinal direction between a hold-down member and the ironing member by means of driven rollers.
- edge surface has a flat surface and, adjacent to it and close to one of the main surfaces, a curved part and when the ironing surface has a complementary shape, while the profile is moved to the ironing surface by a hold-down member located opposite the flat surface and by one located opposite the curved surface.
- a hold-down member also has an ironing surface, for example when a profile with two edge surfaces located opposite each other has to be treated.
- the invention also comprises a device suitable for the application of the method and a profile obtained by applying the method.
- an ironing member is indicated with 1, which is set up alongside a track with a bearing surface 4 which has freely rotating rollers 7 underneath that rise a little above the top of the surface 4.
- On the top driven rollers 5 are applied, which can be pressed against a profile to be treated 3 by means of parts not drawn.
- ironing members located opposite each other 1 and 2, which also serve for each other as hold-down members.
- These ironing members have a flat surface 8 and beneath it a small arc 9.
- the surfaces 8 can be positioned vertical as well as somewhat inclined.
- the hold-down members 6 are used for pressing the profile 3 down against the curved part 9 of the ironing members 1 and 2.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Manufacturing & Machinery (AREA)
- Forests & Forestry (AREA)
- Mechanical Engineering (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL9102001A NL9102001A (nl) | 1991-11-29 | 1991-11-29 | Voorbehandeling van vezelplaten. |
NL9102001 | 1991-11-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0545479A1 true EP0545479A1 (de) | 1993-06-09 |
Family
ID=19859979
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92203657A Withdrawn EP0545479A1 (de) | 1991-11-29 | 1992-11-27 | Vorbehandlung von Faserplatten |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0545479A1 (de) |
NL (1) | NL9102001A (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5520777A (en) * | 1994-02-28 | 1996-05-28 | Midnorth Forest Industry Alliance Inc. | Method of manufacturing fiberboard and fiberboard produced thereby |
EP0744260A1 (de) * | 1995-05-23 | 1996-11-27 | Homag Maschinenbau Ag | Verfahren und Vorrichtung zur Durchlauf-Bearbeitung von im wesentlichen flächigen oder leistenförmigen Werkstücken aus offenporigen Holzwerkstoffen und dergleichen im Kantenbereich |
EP0864407A1 (de) * | 1997-03-11 | 1998-09-16 | Karl-Heinz Wessel | Vorrichtung zum Vergüten von Kantenflächen an Werkstücken aus Spanplattenmaterial |
WO1999046094A1 (de) * | 1998-03-10 | 1999-09-16 | Wendt Maschinenbau Gmbh & Co. Kg | Verfahren zur finalen oberflächenbearbeitung von rauhen spanplatten oder ähnlichen bauteilen und vorrichtung dafür |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1180122B (de) * | 1962-02-22 | 1964-10-22 | Novopan Ges Mit Beschraenkter | Verfahren und Vorrichtung zur Behandlung der Kanten von Holzspanplatten |
US4197078A (en) * | 1977-11-03 | 1980-04-08 | Masonite Corporation | Apparatus for edge treatment for fibreboard panels and the like |
US4268565A (en) * | 1977-07-28 | 1981-05-19 | Masonite Corporation | Post-press molding of man-made boards to produce contoured furniture parts |
AU549776B2 (en) * | 1982-07-12 | 1986-02-13 | Csr Limited | Wax edge sealing |
-
1991
- 1991-11-29 NL NL9102001A patent/NL9102001A/nl not_active Application Discontinuation
-
1992
- 1992-11-27 EP EP92203657A patent/EP0545479A1/de not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1180122B (de) * | 1962-02-22 | 1964-10-22 | Novopan Ges Mit Beschraenkter | Verfahren und Vorrichtung zur Behandlung der Kanten von Holzspanplatten |
US4268565A (en) * | 1977-07-28 | 1981-05-19 | Masonite Corporation | Post-press molding of man-made boards to produce contoured furniture parts |
US4197078A (en) * | 1977-11-03 | 1980-04-08 | Masonite Corporation | Apparatus for edge treatment for fibreboard panels and the like |
AU549776B2 (en) * | 1982-07-12 | 1986-02-13 | Csr Limited | Wax edge sealing |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 10, no. 77 (M-464)26 March 1986 & JP-A-60 220 704 ( DAIKEN KOGYO KK ) 5 November 1985 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5520777A (en) * | 1994-02-28 | 1996-05-28 | Midnorth Forest Industry Alliance Inc. | Method of manufacturing fiberboard and fiberboard produced thereby |
EP0744260A1 (de) * | 1995-05-23 | 1996-11-27 | Homag Maschinenbau Ag | Verfahren und Vorrichtung zur Durchlauf-Bearbeitung von im wesentlichen flächigen oder leistenförmigen Werkstücken aus offenporigen Holzwerkstoffen und dergleichen im Kantenbereich |
EP0864407A1 (de) * | 1997-03-11 | 1998-09-16 | Karl-Heinz Wessel | Vorrichtung zum Vergüten von Kantenflächen an Werkstücken aus Spanplattenmaterial |
WO1999046094A1 (de) * | 1998-03-10 | 1999-09-16 | Wendt Maschinenbau Gmbh & Co. Kg | Verfahren zur finalen oberflächenbearbeitung von rauhen spanplatten oder ähnlichen bauteilen und vorrichtung dafür |
Also Published As
Publication number | Publication date |
---|---|
NL9102001A (nl) | 1993-06-16 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LI LU NL PT SE |
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17P | Request for examination filed |
Effective date: 19930625 |
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17Q | First examination report despatched |
Effective date: 19940721 |
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APCB | Communication from the board of appeal sent |
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APCB | Communication from the board of appeal sent |
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APCB | Communication from the board of appeal sent |
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APCB | Communication from the board of appeal sent |
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APAB | Appeal dossier modified |
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STAA | Information on the status of an ep patent application or granted ep patent |
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18D | Application deemed to be withdrawn |
Effective date: 19970527 |
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APAF | Appeal reference modified |
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