EP0193559A1 - Procede et dispositif de fendage de plaques de bois agglomere - Google Patents

Procede et dispositif de fendage de plaques de bois agglomere

Info

Publication number
EP0193559A1
EP0193559A1 EP85904299A EP85904299A EP0193559A1 EP 0193559 A1 EP0193559 A1 EP 0193559A1 EP 85904299 A EP85904299 A EP 85904299A EP 85904299 A EP85904299 A EP 85904299A EP 0193559 A1 EP0193559 A1 EP 0193559A1
Authority
EP
European Patent Office
Prior art keywords
knife
board
jaws
splitting
chipboard
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Withdrawn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
EP85904299A
Other languages
German (de)
English (en)
Inventor
Halftan Nilsen
Rune Nilsen
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0193559A1 publication Critical patent/EP0193559A1/fr
Withdrawn legal-status Critical Current

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
    • B27M3/02—Manufacture or reconditioning of specific semi-finished or finished articles of roofing elements, e.g. shingles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
    • B27L7/00—Arrangements for splitting wood

Definitions

  • This invention relates to a method for splitting chipboard so as to obtain two sections, each having the same area as the original board.
  • the board is split in such a way that the surface texture of each section is determined by the manner in which the glued fibres are torn apart from one another.
  • this invention relates to a device which allows this splitting to be effected in accordance with this method.
  • the latest developments in design for interior and exterior cladding and panelling materials for houses and buildings show a clear tendency towards the choice of natural products such as stone or timber and wood. This has in turn affected the amount of selection and varieties available in surface texture and aspect. Clients are no longer satisfied with plain wood panelling or painted chipboard.
  • US-3.554.250 presents a method and a device for feeding a board or a piece of solid wood against a saw blade and thus divide the board into two parts, each part having a sloping surface.
  • Figure 1 Wedge-shaped knife which splits a piece of chipboard, and rollers which feed the board towards the knife.
  • FIG. 1 This shows the design of the knife itself, its edge and how it is held between jaws.
  • FIG. 4 This figure shows the movement effected by the knife.
  • Figure 1 shows how a set of rollers (3) feed a piece of chipboard (2) towards a wedge-shaped knife (1) so that the feeding speed remains even and the board can be directed at a correct angle against the knife (1).
  • These rollers exert a constant pressure on the board (2), thus preventing the formation of cracks.
  • the board (2) is split into two sections, not by a cutting action but by a wedging action. The surface texture of those two sections will depend on how the fibres, which are glued together, will tear away from one another to give a rough and uneven surface.
  • the knife (1) is sharpened with a constantly increasing angle towards the blade edge. This is meant to give a wedge effect. See figure 1.
  • the knife is undulated in both the horizontal and vertical planes. It is fixed between a set of jaws (4). These are connected to vibrators which impart a rotating motion to the knife(1) in its main plane.
  • Figure 4 shows how this rotating motion is imparted to the knife (1) .
  • Figure 3 illustrates how the knife (1) positioned against the edge of the board (2) starts its splitting action as the wavy edge is directed into the board.
  • the knife will then respond with an undulatory tension between the jaws (4). This increases the splitting effectiveness and reduces the risks of planing the split surfaces down.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Manufacturing & Machinery (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Laminated Bodies (AREA)
  • Stringed Musical Instruments (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Abstract

Procédé de fendage de plaques de bois, en particulier de bois aggloméré, de manière à obtenir deux sections d'égales dimensions dont les surfaces présentent une texture rugueuse et décorative, et dispositif permettant de mettre en oeuvre ce procédé. La plaque de bois est dirigée entre deux cylindres (3) contre un couteau en forme de coin (1) qui est fixé entre deux mâchoires (4). Les mâchoires (4) confèrent un mouvement rotatif au couteau (1) dans son plan principal. Ces mâchoires (4) sont réglées suivant un petit angle par rapport au plan principal du couteau (1) de sorte que, outre le mouvement rotatif, le couteau se déplace aussi avec un mouvement ondulatoire perpendiculaire au sens de rotation.
EP85904299A 1984-08-30 1985-08-30 Procede et dispositif de fendage de plaques de bois agglomere Withdrawn EP0193559A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO843442 1984-08-30
NO843442A NO155917C (no) 1984-08-30 1984-08-30 Fremgangsmaate og anordning for klyving av trefiberplater.

Publications (1)

Publication Number Publication Date
EP0193559A1 true EP0193559A1 (fr) 1986-09-10

Family

ID=19887813

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85904299A Withdrawn EP0193559A1 (fr) 1984-08-30 1985-08-30 Procede et dispositif de fendage de plaques de bois agglomere

Country Status (4)

Country Link
EP (1) EP0193559A1 (fr)
DK (1) DK152264C (fr)
NO (1) NO155917C (fr)
WO (1) WO1986001452A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1264433A (fr) * 1985-12-23 1990-01-16 Troels A. Jaeger Machine a fendre le bois
TW391917B (en) * 1998-06-01 2000-06-01 Meinan Machinery Works An apparatus for splitting a board article

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB178835A (en) * 1921-04-21 1922-07-27 Moteurs Salmson Improvements in wood slicing machines
DE351159C (de) * 1921-11-30 1922-04-01 David Loewy & Soehne Verfahren zur Herstellung von Blumen- und Riegelfurnieren
CH179174A (de) * 1934-08-24 1935-08-31 Gerber Voegeli Gottfried Maschine zum Schälen von Furnieren.
US2128521A (en) * 1937-04-26 1938-08-30 Axel E Beckman Shake-splitting machine
FR969320A (fr) * 1948-07-12 1950-12-19 Nat Molinor S A Perfectionnements apportés aux machines à dérouler et à trancher les bois de placage
US2704093A (en) * 1954-01-20 1955-03-15 Pacific Shake & Shingle Compan Guillotines adapted for use in splitting shakes
US2839105A (en) * 1956-01-20 1958-06-17 Harvey A Gantenbine Shake riving machines
US2851072A (en) * 1956-07-16 1958-09-09 Harry H Gerjets Wood splitting machine
DE1151650B (de) * 1958-03-13 1963-07-18 Inst Holztechnologie Ziehklingenmaschine
US3407856A (en) * 1965-12-15 1968-10-29 Lloyd I. Ritchie Blank-splitting device
GB1113669A (en) * 1965-12-31 1968-05-15 Exnii Metallorezh Stankov A tool for machines for contour machining of shaped surfaces
FR1538353A (fr) * 1967-04-25 1968-09-06 I P I R Di Natale Zangheri Procédé de fabrication de feuilles de placage imitant les essences de bois précieux et produits en résultant
CH473653A (de) * 1968-07-31 1969-06-15 Bauwerk Bodenbelagsind Ag Verfahren und Vorrichtung zum Schneiden von Holz und Holzwerkstoffen
GB2035202B (en) * 1978-10-26 1982-11-10 Meinan Machinery Works Cutter unit for use in trimming and reinforcing a veneer sheet
FR2516434A1 (fr) * 1981-11-19 1983-05-20 Claux Antony Machine pour la fabrication des bardeaux

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO8601452A1 *

Also Published As

Publication number Publication date
DK152264C (da) 1988-07-11
DK183686A (da) 1986-04-22
WO1986001452A1 (fr) 1986-03-13
DK183686D0 (da) 1986-04-22
NO843442L (no) 1986-04-17
NO155917C (no) 1987-06-24
NO155917B (no) 1987-03-16
DK152264B (da) 1988-02-15

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