EP0560870A1 - Parkettstruktur und verfahren zu deren herstellung. - Google Patents
Parkettstruktur und verfahren zu deren herstellung.Info
- Publication number
- EP0560870A1 EP0560870A1 EP92900967A EP92900967A EP0560870A1 EP 0560870 A1 EP0560870 A1 EP 0560870A1 EP 92900967 A EP92900967 A EP 92900967A EP 92900967 A EP92900967 A EP 92900967A EP 0560870 A1 EP0560870 A1 EP 0560870A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- parquet
- wood
- resin
- lacquer
- varnish
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
- B27M3/04—Manufacture or reconditioning of specific semi-finished or finished articles of flooring elements, e.g. parqueting blocks
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/04—Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members
- E04F15/047—Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members with a butcher-block like top surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/02—Processes; Apparatus
- B27K3/0207—Pretreatment of wood before impregnation
- B27K3/0214—Drying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/02—Processes; Apparatus
- B27K3/15—Impregnating involving polymerisation including use of polymer-containing impregnating agents
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2201/00—Joining sheets or plates or panels
- E04F2201/01—Joining sheets, plates or panels with edges in abutting relationship
- E04F2201/0107—Joining sheets, plates or panels with edges in abutting relationship by moving the sheets, plates or panels substantially in their own plane, perpendicular to the abutting edges
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2201/00—Joining sheets or plates or panels
- E04F2201/02—Non-undercut connections, e.g. tongue and groove connections
- E04F2201/023—Non-undercut connections, e.g. tongue and groove connections with a continuous tongue or groove
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2201/00—Joining sheets or plates or panels
- E04F2201/07—Joining sheets or plates or panels with connections using a special adhesive material
Definitions
- the present invention relates to a parquet structure, wherein the direction of wood grains constituting the parquet surface layer is perpendicular or at an acute angle relative to the level of a parquet surface.
- the invention relates also to a method for manufacturing a parquet, said method comprising the following oper ⁇ ations:
- An object of the invention is to provide a parquet struc ⁇ ture and its manufacturing method, whereby even the otherwise good wear resistance and hardness of vertical- grain wood can yet be substantially improved while pro ⁇ viding for an effective additional protection against the penetration of moisture and an effective binding against the forces of remaining moisture induced movements while, at the same time, the amount of an expensive par ⁇ quet lacquer or varnish can be conventional.
- Fig. 1 is a perspective view of a cross-sectioned parquet element having a structure of the invention.
- Fig. 2 illustrates the use of hexagonal wood blocks in the surface wood layer of a parquet.
- Fig. 3 shows a cross-section of the sandwich structure of a parquet
- fig. 4 is a larger-scale view showing a vertical sec ⁇ tion of the surface wood layer of a parquet with wood grains extending in vertical direction.
- parquet structure of the invention proceeds as follows.
- a polygonal balk of fresh wood is cut perpendicularly or at an acute angle to the wood grains into blocks of suitable thickness (e.g. 14 mm thick) .
- These wood blocks a hexagonal example being shown in fig. 2, is impregnated with a water-soluble polyalcohol, e.g. polyethylene glycol (PEG) , which is allowed to absorb and take effect in wood blocks by replacing cell-wall water therein.
- PEG polyethylene glycol
- Absorption can be intensified by a thermal treatment, wherein the wood blocks are heated in a microwave oven and the non- diluted, fluidization-heated PEG is applied as a film to a wood block whose internal vacuum accelerates the absorption of PEG into wood.
- the water-soluble impregnant replaces a sufficient amount of the cell-wall water in wood cells. This prevents the post-movements (dimensional variations) of wood material caused by seasoning cracks and moisture fluc ⁇ tuations. It is well known that the moisture-induced movements of wood result explicitly from the amount of water contained in cell walls and from the swelling and shrinking of a cell wall caused by the fluctuations thereof.
- the wood blocks thus impregnated with a water-soluble polyalcohol (e.g. PEG), are stored for 1 to 3 days at a temperature of 50 - 80 C for a sufficient penetration and diffusion of polyalcohol, whereafter the blocks are dried and, thus, the polyalcohol concentrates upon the removal of water.
- the block surfaces are ground and the outlines are worked to precise measures.
- the blocks are glued into blanks of board par ⁇ quet, i.e. fitted between two body layers 4. Attach ⁇ ment to the body layer 4 of a parquet element can be ef ⁇ fected by using a resin or wood adhesive 5 (e.g. a poly ⁇ ester resin or a pol inyl acetate glue) .
- a resin or wood adhesive 5 e.g. a poly ⁇ ester resin or a pol inyl acetate glue
- the body 4 can preferably be made of plywood having a thickness of e.g. 9 mm.
- the body 4 may also include one or a plural ⁇ ity of reinforced plastic layers.
- the blank is sawn in two parts in the middle of wood blocks 1 and the result ⁇ ing boards are provided with but ents and the sawn surf ⁇ aces are ground. Following the sawing and grinding, the vertical-grained surface layer 1 has a thickness of e.g. 3,0 - 3,5 mm.
- filling resin or varnish which is allowed to impregnate inside wood grains and in interstices therebetween.
- the impregnation of filling resin is accelerated basically the same way as described above in relation to the impregnation of PEG.
- the boards are pre-heated and, upon cooling, they absorb the resin to a sufficient depth inside wood grains and in the interstices therebetween.
- the employed filling resin or varnish is preferably some inexpensive poly ⁇ ester resin to maintain the parquet manufacturing costs reasonable despite the fact that, due to the porosity of the surface, the required amount of resin will be more than
- the filling resin or varnish impreg ⁇ nates locally to the depth of up to 0,5 mm and over most of the surface area to the depth of more than 0,2 mm.
- the thickness of a filling resin or varnish layer 2 varies according to the porosity and absorbing capacity of wood but remains typically with ⁇ in the above range.
- the process preferably involves the use of a UV-setting polyester resin but also a conventional extra heat activated (accelerated) curing reaction is possible.
- the layer built by filling resin or varnish 2 improves substantially the wear resistance and hardness of vertical-grained wood.
- the surface filling layer also provides an extra barrier against the penetration of moisture and at the same time braces the structure against the forces created by the remain ⁇ ing moisture-induced movements.
- expen ⁇ sive parquet lacquers such as UV-setting polyurethane lacquers
- the consumption of expen ⁇ sive parquet lacquers remains on the same level as or lower than in conventional board parquets, i.e. it is typically
- the amount of wood-impregnating filling resin or varnish is appr. 4 - 5 times that of a parquet lacquer.
- the filling resin may also be one of the following alternatives: acrylic resin, epoxy resin, urea formaldehyde and phenolic resin.
- acrylic resin, epoxy resin, urea formaldehyde and phenolic resin A clear, colourless polyester resin is preferable as it is capable of well bringing out the inherent hues and natural beauty of wood.
- the filling resin can be admixed with whitening pigments, such as titanium white or resin-soluble colourants.
- a method of the invention can also be used for manu ⁇ facturing high-quality parquet from soft grades of wood. For example, tests have been made with alder to manufacture a vertical-grained wood parquet having about a double hardness and a multiple wear resistance compared with normal oakwood parquet. Also aspen can be used to manufacture a parquet competitive with cur ⁇ rent grades of parquet in terms of its wear resistance and hardness. The same applies also to the relatives of aspen, e.g. poplar. In fact, one discovery and ad ⁇ vantage of the invention relates to the very use of soft grades of wood. Since the compression strength of soft grades of wood in the transverse direction of grains is low, also the cross-grain directed forces, which the grain structure is able to transmit, remain low and this is another reason why the contact-induced movements of parquet remain quite negligible.
- An individual parquet element can be made relatively wide ⁇ e.g. 278 mm) whereby, when using wood blocks dif ⁇ ferent from each other in terms of colour tones and sizes/shapes, it is possible to create an extensive selection of designs by varying their lay-down patterns.
- This method can be applied for manufacturing a ready- made parquet or board parquet but it can also be applied as a genuine parquet, which is directly laid down on the floor and corresponds to a traditional block parquet with the blocks glued directly to the floor, ground and varnished with parquet lacquers.
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Architecture (AREA)
- Wood Science & Technology (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Forests & Forestry (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Finishing Walls (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI906013 | 1990-12-05 | ||
FI906013A FI93431C (fi) | 1990-12-05 | 1990-12-05 | Parkettirakenne ja menetelmä sen valmistamiseksi |
PCT/FI1991/000374 WO1992010311A1 (en) | 1990-12-05 | 1991-12-05 | Parquet structure and method for its manufacturing |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0560870A1 true EP0560870A1 (de) | 1993-09-22 |
EP0560870B1 EP0560870B1 (de) | 1996-03-20 |
Family
ID=8531532
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92900967A Expired - Lifetime EP0560870B1 (de) | 1990-12-05 | 1991-12-05 | Parkettstruktur und verfahren zu ihrer herstellung |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0560870B1 (de) |
JP (1) | JPH06506163A (de) |
DE (1) | DE69118202T2 (de) |
FI (1) | FI93431C (de) |
RU (1) | RU2069723C1 (de) |
WO (1) | WO1992010311A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2285069A (en) * | 1993-12-21 | 1995-06-28 | Chung Hsien Chiou | Patterned floor tile |
DE10362218B4 (de) * | 2003-09-06 | 2010-09-16 | Kronotec Ag | Verfahren zum Versiegeln einer Bauplatte |
CN101171107B (zh) * | 2005-05-02 | 2011-09-14 | 巴斯福股份公司 | 处理木材表面的方法 |
DE102008051805A1 (de) * | 2008-10-17 | 2010-04-22 | Thomas Riemer | Verfahren zur Oberflächenveredelung von Holz, insbesondere Holzfußböden |
JP5704812B2 (ja) * | 2009-12-28 | 2015-04-22 | 永大産業株式会社 | 木質系床材 |
EP2733279B1 (de) * | 2012-11-20 | 2016-04-06 | Rainer Böhme GmbH | Sanierungselement für eine Trittstufe und Trittstufe |
US10464294B2 (en) | 2015-10-21 | 2019-11-05 | Freres Lumber Co., Inc. | Wood panel assemblies and methods of production |
US10131119B2 (en) | 2015-10-21 | 2018-11-20 | Freres Lumber Co., Inc. | Laminated wood product |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH440053A (de) * | 1962-11-07 | 1967-07-15 | Neodon Werk Helmut Sallinger | Verfahren zum Versiegeln von Holzfussböden |
AT264804B (de) * | 1963-02-28 | 1968-09-10 | Mo Och Domsjoe Ab | Verfahren und Behandlung von Holz |
DE1621820B1 (de) * | 1967-11-02 | 1972-03-09 | Bergolin Lack Und Farbenfabrik | Verfahren zum Grundieren von Holz |
AU2331370A (en) * | 1970-12-14 | 1972-06-15 | Antal John | Decorative hard surface timber floorcovering |
DE3045077A1 (de) * | 1980-11-29 | 1982-07-01 | Lhc Loba-Holmenkol-Chemie Dr. Fischer Und Dr. Weinmann Kg, 7257 Ditzingen | Verfahren zum versiegeln von parkettboeden und vorrichtung zur durchfuehrung des verfahrens |
ES2069258T3 (es) * | 1990-01-29 | 1995-05-01 | Ciba Geigy Ag | Pintura protectora para la madera. |
-
1990
- 1990-12-05 FI FI906013A patent/FI93431C/fi not_active IP Right Cessation
-
1991
- 1991-12-05 WO PCT/FI1991/000374 patent/WO1992010311A1/en active IP Right Grant
- 1991-12-05 DE DE69118202T patent/DE69118202T2/de not_active Expired - Fee Related
- 1991-12-05 JP JP4501680A patent/JPH06506163A/ja active Pending
- 1991-12-05 RU RU9193047200A patent/RU2069723C1/ru active
- 1991-12-05 EP EP92900967A patent/EP0560870B1/de not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO9210311A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE69118202D1 (de) | 1996-04-25 |
FI906013A0 (fi) | 1990-12-05 |
JPH06506163A (ja) | 1994-07-14 |
EP0560870B1 (de) | 1996-03-20 |
FI906013A (fi) | 1992-06-06 |
WO1992010311A1 (en) | 1992-06-25 |
FI93431B (fi) | 1994-12-30 |
FI93431C (fi) | 1995-04-10 |
DE69118202T2 (de) | 1996-11-28 |
RU2069723C1 (ru) | 1996-11-27 |
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