WO1989001857A1 - Procede de fabrication de planches de plancher et planche de plancher fabriquee selon le procede - Google Patents

Procede de fabrication de planches de plancher et planche de plancher fabriquee selon le procede Download PDF

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Publication number
WO1989001857A1
WO1989001857A1 PCT/SE1988/000444 SE8800444W WO8901857A1 WO 1989001857 A1 WO1989001857 A1 WO 1989001857A1 SE 8800444 W SE8800444 W SE 8800444W WO 8901857 A1 WO8901857 A1 WO 8901857A1
Authority
WO
WIPO (PCT)
Prior art keywords
board sections
flawless
board
sections
boards
Prior art date
Application number
PCT/SE1988/000444
Other languages
English (en)
Inventor
Olav Hoel
Original Assignee
Olav Hoel
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 Olav Hoel filed Critical Olav Hoel
Publication of WO1989001857A1 publication Critical patent/WO1989001857A1/fr

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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
    • B27M3/0013—Manufacture or reconditioning of specific semi-finished or finished articles of composite or compound articles
    • B27M3/006—Manufacture or reconditioning of specific semi-finished or finished articles of composite or compound articles characterised by oblong elements connected both laterally and at their ends
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
    • B27G1/00—Machines or devices for removing knots or other irregularities or for filling-up holes
    • 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

Definitions

  • the present invention relates to a method for manufacturing floorboards comprising a top layer and a bottom -layer joined to said top layer by gluing.
  • Timber floorings have been used from time im- memorial, and although many alternatives exist nowa ⁇ days, a great many floors are still laid with timber because timber has excellent properties for this type of use.
  • Most timber floors consist of solid planks having a width of about 75-200 mm, a thickness of 8-25 mm or more, and normally a length of 0.3-4.8 m. The width depends on the diameter of the log from which the planks are cut, but is standardised to 75, 125 and 175 mm or, alternatively, 100, 150 and 200 mm.
  • the length of the boards supplied to the floor-layer is entirely optional and normally varies between about 0.3 and 2.4 .
  • the varying length is due to flaws which occur in the timber and as a result of which large parts of the timber must be cut off and discard ⁇ ed as waste. This means that the floor-layer is obliged to use relatively high-grade timber at high cost. None ⁇ theless, the waste is considerable, and the varying length naturally makes the laying of the floor more complicated.
  • This object is achieved by working boards unsorted in re ⁇ spect of quality to the desired width and thickness; cutting the worked boards where necessary to remove board sections containing flaws; and gluing the flaw- containing board sections end to end on at least one flat side of flawless board sections also positioned end to end, such that a continuous assembly is obtained which is cut to the desired lengths, worked, tongued and grooved, and finished.
  • the cut board sections containing flaws are first split along the central plane parallel to the flat sides and then worked and glued on the opposite flat sides of the flawless board sections, whereupon the result ⁇ ing assembly is split along the central plane of the flawless board sections parallel to the flat sides.
  • the invention also relates to a floorboard com ⁇ prising laminates with a top layer of flawless board sections of varying lengths and at least one bottom layer including flaw-containing board sections cut from the starting material to provide the said flaw ⁇ less board sections forming the top layer.
  • Fig. 1 the starting material is worked to provide a board of predetermined width and thickness.
  • Fig. 2 illu ⁇ strates the removal of a flaw-containing board sec ⁇ tion from the worked board.
  • Figs. 3 and 4 illustrate the splitting and working of removed board sections con ⁇ taining flaws.
  • Fig. 5 illustrates the application of glue to a flawless board, and
  • Fig. 6 shows how flaw- containing board sections are joined with flawless board sections.
  • Fig. 1 the starting material is worked to provide a board of predetermined width and thickness.
  • Fig. 2 illu ⁇ strates the removal of a flaw-containing board sec ⁇ tion from the worked board.
  • Figs. 3 and 4 illustrate the splitting and working of removed board sections con ⁇ taining flaws.
  • Fig. 5 illustrates the application of glue to a flawless board
  • Fig. 6 shows how flaw- containing board sections are joined with flawless board sections.
  • Fig. 1 the starting
  • the starting material for the manufacture of the floorboards according to the invention consists of un- sorted boards which, however, must have a fixed minimum width and minimum thickness.
  • the boards 10 are planed as shown at 11 in Fig. 1.
  • the planed boards 10 normally have flaws, such as knots 12, discolourations etc. that are not tolerated in a decorative layer. Such flaws must be removed, which is done by cutting off board sections, as shown at 13 in Fig. 2.
  • the board 10 is divided into sections 14 containing flaws 12 and flawless sections 15. The sections 14 containing flaws 12 are then split, as.indicated at .
  • the flawless board sections 15 are first coated with glue on their oppo ⁇ site flat sides, as shown at 17 in Fig. 5. Although this does not appear from the drawings, also the end faces are coated with glue. A desired number of flaw ⁇ less board sections 15 are then placed in a row in end-to-end relationship, and board sections 14a, 14b containing flaws 12, are pressed against the opposite flat sides of the board sections 15, as indicated by the arrows 18 in Fig. 6. Also the board sections 14a, 14b are placed in a row in end-to-end relationship, before which the end surfaces, if desired, can be coated with glue. Instead of making the ends of the board sec ⁇ tions abut end to end, they can also be finger-jointed.
  • the laminates 21 thus obtained are first planed as shown at 11 in Fig. 8 and are then tongued and grooved as shown in Fig. 9 by means of suitable milling tools 22 milling a tongue on one long side of the la ⁇ minate and a groove in the other long side, as shown at 23 and 24 in Fig. 9.
  • the short sides are similarly tongued and grooved, whereupon the laminate 21 is fi- nished in accordance with Fig. 10, for example sanded (at 25) and varnished, if desired.
  • the floorboard is now ready for use.
  • a simpler way of achieving the object of the invention is to work the starting boards 10 already at the outset to final thickness and to glue the cut board sections 14 containing the flaws 12 to one flat side of flawless board sections 15, whereupon the resultant two-layer assembly is cut into the desired lengths which are worked, tongued and grooved, and finished in the manner described above.
  • boards of predetermined lengths can be manufactured, although it is preferred to manufacture a continuous strand which is then cut into standard lengths or according the customer's specifications.
  • the glued joint lies in the neutral zone as regards pressure and tensile stress and does not affect the properties of the board.
  • the lamination provides a final product of higher grade than before and at a far cheaper price than before.
  • the method according to the invention can be modified in different ways and that, although but one bottom or support layer is shown in the drawings, several such layers can be provided, if this is desired for specific purposes, in which case the board sections are split in a dif ⁇ ferent manner that may be more convenient for the specific purpose.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Floor Finish (AREA)

Abstract

On fabrique des planches de plancher par usinage de planches non triées du point de vue de la qualité, à une largeur et une épaisseur prédéterminées. On coupe les planches là où cela est nécessaire afin d'enlever les parties de planches présentant des défauts (12) après quoi on fend ces parties de planches le long de leur plan central, puis on les usine et on les colle dans une relation bout-à-bout sur les côtés plats opposés des parties de planches (15) sans défauts qui ont également été placées bout-à-bout, selon le mode de réalisation préféré de l'invention. On fend l'ensemble ainsi obtenu le long du plan central des parties de planche précitées (15), puis les bandes sont travaillées, rainurées, languetées et finies. Une planche de plancher fabriquée de cette manière comprend une couche supérieure de parties de plancher (15) sans défauts de longueurs variables, ainsi qu'une couche inférieure comportant des parties de planches (14a, 14b) contenant des défauts, et ayant été coupées à partir du matériau de base afin de produire lesdites parties de planches (15) sans défauts.
PCT/SE1988/000444 1987-08-31 1988-08-30 Procede de fabrication de planches de plancher et planche de plancher fabriquee selon le procede WO1989001857A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8703354-4 1987-08-31
SE8703354A SE8703354L (sv) 1987-08-31 1987-08-31 Saett foer framstaellning av golvbraedor och enligt saettet framstaelld golvbraeda

Publications (1)

Publication Number Publication Date
WO1989001857A1 true WO1989001857A1 (fr) 1989-03-09

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE1988/000444 WO1989001857A1 (fr) 1987-08-31 1988-08-30 Procede de fabrication de planches de plancher et planche de plancher fabriquee selon le procede

Country Status (2)

Country Link
SE (1) SE8703354L (fr)
WO (1) WO1989001857A1 (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0387902A2 (fr) * 1989-03-17 1990-09-19 Peter Schacht Procédé de fabrication de panneaux laminés, de préférence pour planchers
EP0637659A1 (fr) * 1993-08-06 1995-02-08 Margaritelli - S.P.A. Strips de plancher formés par une couche de matériau boisé par chèr servant de base pour une rangée de segments de bois de qualité supérieure
EP0692372A1 (fr) * 1994-07-14 1996-01-17 Tetsuya Hashiguchi Stratifié en bois et procédé de sa fabrication
EP0727292A1 (fr) * 1995-01-17 1996-08-21 Triangle Pacific Corporation Lattes de plancher en bois dur de faible épaisseur et procédé pour leurs fabrications
US5804019A (en) * 1997-01-31 1998-09-08 Triangle Pacific Corporation Apparatus and method for applying adhesive and release paper to wooden flooring strips
US5816304A (en) * 1997-08-04 1998-10-06 Triangle Pacific Corporation Apparatus and method for increasing the flexibility of and straightening flooring strips
US5894700A (en) * 1997-08-04 1999-04-20 Triangle Pacific Corporation Glue-down prefinished wood flooring product
US5935668A (en) * 1997-08-04 1999-08-10 Triangle Pacific Corporation Wooden flooring strip with enhanced flexibility and straightness
US6148884A (en) * 1995-01-17 2000-11-21 Triangle Pacific Corp. Low profile hardwood flooring strip and method of manufacture
NL1019102C2 (nl) * 2001-10-03 2003-04-04 Luxwood Systems B V Werkwijze en inrichting voor het vervaardigen van vloerdelen, alsmede een vloerdeel.
EP1317983A2 (fr) * 2001-12-05 2003-06-11 Parkett Hinterseer GmbH Appareil pour la fabrication de parquet lamellaire de faible épaisseur disposé sur la tranche
NL1023205C2 (nl) * 2003-04-17 2004-10-19 Roy Johannes Hofste Werkwijze voor het vervaardigen van houtstructuren en bouwelement bevattende zulke houtstructuren.

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1778333A (en) * 1928-06-27 1930-10-14 Frank F Flanner Manufacture of lumber
FR733944A (fr) * 1932-03-21 1932-10-13 Fabrication de panneaux contreplaqués à usage de parquets et de ravêtements
DE943972C (de) * 1953-03-07 1956-06-07 A J Eggstein Soehne & Cie Verfahren zum Zusammenstueckeln von Ausschnitten aus aestigen Holzbrettern zu fehlerfreien Holzflaechen
US2942635A (en) * 1959-01-16 1960-06-28 Roy C Horne Method of reconstituting lumber and product thereof
DK65579A (da) * 1978-02-16 1979-08-17 Metallgesellschaft Ag Fremgangsmaade til fremstilling af en methanholdig varmegas
SE409432B (sv) * 1976-02-24 1979-08-20 Statens Skogsind Ab Sett att framstella lamellvirke eller lamellprofiler
US4236557A (en) * 1979-02-16 1980-12-02 Conduit-Amherst Limited Method for manufacturing wood mouldings

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1778333A (en) * 1928-06-27 1930-10-14 Frank F Flanner Manufacture of lumber
FR733944A (fr) * 1932-03-21 1932-10-13 Fabrication de panneaux contreplaqués à usage de parquets et de ravêtements
DE943972C (de) * 1953-03-07 1956-06-07 A J Eggstein Soehne & Cie Verfahren zum Zusammenstueckeln von Ausschnitten aus aestigen Holzbrettern zu fehlerfreien Holzflaechen
US2942635A (en) * 1959-01-16 1960-06-28 Roy C Horne Method of reconstituting lumber and product thereof
SE409432B (sv) * 1976-02-24 1979-08-20 Statens Skogsind Ab Sett att framstella lamellvirke eller lamellprofiler
DK65579A (da) * 1978-02-16 1979-08-17 Metallgesellschaft Ag Fremgangsmaade til fremstilling af en methanholdig varmegas
US4236557A (en) * 1979-02-16 1980-12-02 Conduit-Amherst Limited Method for manufacturing wood mouldings

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0387902A3 (fr) * 1989-03-17 1991-08-21 Peter Schacht Procédé de fabrication de panneaux laminés, de préférence pour planchers
EP0387902A2 (fr) * 1989-03-17 1990-09-19 Peter Schacht Procédé de fabrication de panneaux laminés, de préférence pour planchers
EP0637659A1 (fr) * 1993-08-06 1995-02-08 Margaritelli - S.P.A. Strips de plancher formés par une couche de matériau boisé par chèr servant de base pour une rangée de segments de bois de qualité supérieure
US5593530A (en) * 1994-07-14 1997-01-14 Hashiguchi; Tetsuya Laminated lumber and method of manufacturing the same
EP0692372A1 (fr) * 1994-07-14 1996-01-17 Tetsuya Hashiguchi Stratifié en bois et procédé de sa fabrication
US6148884A (en) * 1995-01-17 2000-11-21 Triangle Pacific Corp. Low profile hardwood flooring strip and method of manufacture
EP0727292A1 (fr) * 1995-01-17 1996-08-21 Triangle Pacific Corporation Lattes de plancher en bois dur de faible épaisseur et procédé pour leurs fabrications
US5597024A (en) * 1995-01-17 1997-01-28 Triangle Pacific Corporation Low profile hardwood flooring strip and method of manufacture
US5823240A (en) * 1995-01-17 1998-10-20 Triangle Pacific Corporation Low profile hardwood flooring strip and method of manufacture
US5804019A (en) * 1997-01-31 1998-09-08 Triangle Pacific Corporation Apparatus and method for applying adhesive and release paper to wooden flooring strips
US5816304A (en) * 1997-08-04 1998-10-06 Triangle Pacific Corporation Apparatus and method for increasing the flexibility of and straightening flooring strips
US5894700A (en) * 1997-08-04 1999-04-20 Triangle Pacific Corporation Glue-down prefinished wood flooring product
US5935668A (en) * 1997-08-04 1999-08-10 Triangle Pacific Corporation Wooden flooring strip with enhanced flexibility and straightness
US6156402A (en) * 1997-08-04 2000-12-05 Triangle Pacific Corp. Wooden flooring strip with enhanced flexibility and straightness
NL1019102C2 (nl) * 2001-10-03 2003-04-04 Luxwood Systems B V Werkwijze en inrichting voor het vervaardigen van vloerdelen, alsmede een vloerdeel.
EP1317983A2 (fr) * 2001-12-05 2003-06-11 Parkett Hinterseer GmbH Appareil pour la fabrication de parquet lamellaire de faible épaisseur disposé sur la tranche
EP1317983A3 (fr) * 2001-12-05 2003-09-17 Parkett Hinterseer GmbH Appareil pour la fabrication de parquet lamellaire de faible épaisseur disposé sur la tranche
NL1023205C2 (nl) * 2003-04-17 2004-10-19 Roy Johannes Hofste Werkwijze voor het vervaardigen van houtstructuren en bouwelement bevattende zulke houtstructuren.
WO2004091874A1 (fr) * 2003-04-17 2004-10-28 Roy Johannes Hofste Procede de production de structures en bois et element de construction renfermant de telles structures

Also Published As

Publication number Publication date
SE8703354D0 (sv) 1987-08-31
SE8703354L (sv) 1989-03-01

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