EP0074821A2 - Procédé pour la fabrication d'un carreau en bois - Google Patents

Procédé pour la fabrication d'un carreau en bois Download PDF

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Publication number
EP0074821A2
EP0074821A2 EP82304781A EP82304781A EP0074821A2 EP 0074821 A2 EP0074821 A2 EP 0074821A2 EP 82304781 A EP82304781 A EP 82304781A EP 82304781 A EP82304781 A EP 82304781A EP 0074821 A2 EP0074821 A2 EP 0074821A2
Authority
EP
European Patent Office
Prior art keywords
tile
wood
adhesive
members
sheet
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
Application number
EP82304781A
Other languages
German (de)
English (en)
Other versions
EP0074821A3 (en
EP0074821B1 (fr
Inventor
Bunlue Yontrarak
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
Priority to AT82304781T priority Critical patent/ATE33785T1/de
Publication of EP0074821A2 publication Critical patent/EP0074821A2/fr
Publication of EP0074821A3 publication Critical patent/EP0074821A3/en
Application granted granted Critical
Publication of EP0074821B1 publication Critical patent/EP0074821B1/fr
Expired legal-status Critical Current

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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
    • B27M3/04—Manufacture or reconditioning of specific semi-finished or finished articles of flooring elements, e.g. parqueting blocks
    • 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
    • B27L5/00—Manufacture of veneer ; Preparatory processing therefor

Definitions

  • This invention relates to a method of making wooden tiles.
  • Wood tiles have long been made and used as a covering material, particularly for floors.
  • good quality logs were abundant and wastage of wood was considerable.
  • the tiles in those early days were made unnecessarily thick, so thick that the wood in the tiles could have outlasted the floor itself, but unfortunately they delaminated before the end of their service life.
  • the natural wood logs have become more scarce and expensive, so the thickness of flooring in general has been reduced.
  • the normal conventional tile is about 6 to 7 mm thick. As a matter of fact, even this thickness is still too much and certainly more than you need for flooring.
  • a thinner tile has not been available on the market simply because it has been uneconomical to manufacture by conventional methods.
  • the cutting of the wood with a saw results in a closed grain surface on both the top and bottom major surfaces of the cut sheet resulting in the finished tile being of a rigid construction having substantially no flexibility and being brittle.
  • a method of making a wooden tile comprising the steps of knife cutting a sheet like piece of wood of a predetermined thickness from a piece of timber, cutting the sheet like piece of wood into a plurality of members, applying adhesive to sides of the members, forming a plurality of said members into a tile with a side of one member abutting a side of another member, and allowing the adhesive to set to bond said members together.
  • the knife cutting machine on which the sheet like piece of wood is removed from the timber is a rotary lathe which may be operated with a full round rotary cut.
  • the knife cutting may be effected with a slicing machine in which the cutting knife lies parallel with the longitudinal axis of a bolt of wood and may be moved horizontally, vertically or in a slanted fashion in a direction transverse to the longitudinal axis of the bolt.
  • the cutting knife may be moved lengthwise through the bolt of wood parallel to the longitudinal axis of the bolt.
  • the members are formed of a predetermined length and breadth and the length is arranged to be longer than the breadth.
  • the members are arranged together to form a square tile.
  • a self-adhesive can be applied to the undersurface of the tile, which self-adhesive is a double sided self-adhesive tape applied to the undersurface of the tile.
  • the tile is sanded to a thickness of 2.5 mm and is trimmed to have sides of 305 mm.
  • the tile may be formed of wood selected from teak, oak and rarewood species, and is boiled, cooled to ambient temperature, boiled again and knife cut whilst hot.
  • the adhesive applied to the individual members to each other is ureaformaldehyde, although any other suitable adhesive may be used.
  • the curing or setting of the bonding adhesive may be achieved by placing individually assembled tiles side by side on a platen of a hot press and subsequently pressure of some 10 metric tons per square foot is applied to the tiles at high temperature for approximately three minutes.
  • the tile is shown to be square and is assembled from a plurality of independent solid wood fingers 1 which are bonded together along abutting edges with a suitable adhesive such as urea formaldehyde.
  • the fingers 1 are formed into blocks of five parallel fingers laid side-by-side and the blocks are laid so that the longitudinal fingers of each block lie at right angles to the next adjacent block. In this way sixteen such blocks can be laid side-by-side and bonded together to form the tile as shown in Figure 1.
  • Figure 2 illustrates an edge view of the tile in the direction of arrow A of Figure 1 and further illustrates the bonded joints 2 between the blocks of fingers 1. Although not shown in Figure 2, the blocks of individual fingers are similarly butted and bonded together.
  • a teak log is boiled or steamed and then allowed to cool to ambient temperature where upon its temperature is quickly raised again for boiling or steaming for a second time.
  • the log is placed in a rotary lathe such as is manufactured by Capital Corporation in the United States of America, and while the log is still hot but cooled sufficiently to allow efficient cutting of the wood the log is rotated and a sheet of wood of a thickness of a little more than 2.5 mm is cut by a knife from the surface of the log.
  • the knife blade is some 4 feet in length and is positioned at an angle which will provide the maximum release of the stresses and strains within the log as the sheet is removed.
  • the sheets peeled from the log are cut by means of a saw into a plurality of elongate rectangular fingers.
  • the fingers are then stacked with their respective edge surfaces in common planes so that adhesive such as urea formaldehyde can be applied to the edge surfaces.
  • the fingers are then laid in a jig in the pattern shown in Figure 1 with surfaces of the jig supporting the outer peripheral surface 3 of the tile in Figure 1.
  • the jig is then removed and the tile placed on a platen of a hot press with other similarly formed tiles.
  • the hot press is operated to apply a pressure of some 10 metric tons per square foot to the tile for some three minutes and when released the adhesive is cured and the fingers of the tile bonded together.
  • the tile When the adhesive has cured, the tile is trimmed around its edges to define a square tile with each of the sides having a length of 305 mm.
  • the main upper and lower surfaces of the tile are finished in a conventional manner by sanding to provide commercially acceptable surfaces which can be polished. After this finishing process, the tile has a thickness of some 2.5 mm and does not have a backing substrate.
  • the advantages gained by the method of manufacturing a tile in accordance with the present invention is that by cutting the wooden sheet from the log with a knife provides an open grain surface on both the upper and lower surfaces of the wooden sheet. Accordingly, in the finished tile, the upper and lower surfaces have this open grained feature which permits the tile to have a flexibility which is hitherto unknown in wooden floor tiles. Furthermore, the method provides for a thinner solid wooden tile than that previously manufactured, the thinness also resulting in a tile which is both light in weight and economical to produce.
  • woods may be used in making such tiles but it is not necessary to subject all of them to the boiling or steaming process described. However, it is essential the sheet of wood taken from the log or bolt is cut with a knife to obtain open grain surfaces on the tiles.
  • Wooden tiles made by the process of the present invention may be as thin as 0.5 mm when used as a wall covering. However, for practical purposes the tiles are manufactured with thickness in the range 1.5 mm to 10 mm. Thicker tiles may be produced but become more uneconomical as the thickness increases.
  • the finished tile is coated on its backing or undersurface with a self adhesive covered by a removable non adhesive material.
  • the shape of the tile is not restricted to a square tile but may be of any shape such as an elongate rectangular form or a. six sided form for example.
  • the pattern on the tile formed by the positioning of the fingers can be varied as desired and the fingers can be of different lengths to accommodate alternative patterns.
EP82304781A 1981-09-15 1982-09-10 Procédé pour la fabrication d'un carreau en bois Expired EP0074821B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82304781T ATE33785T1 (de) 1981-09-15 1982-09-10 Verfahren zur herstellung einer holzfliese.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8127823 1981-09-15
GB8127823 1981-09-15

Publications (3)

Publication Number Publication Date
EP0074821A2 true EP0074821A2 (fr) 1983-03-23
EP0074821A3 EP0074821A3 (en) 1984-01-18
EP0074821B1 EP0074821B1 (fr) 1988-04-27

Family

ID=10524516

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82304781A Expired EP0074821B1 (fr) 1981-09-15 1982-09-10 Procédé pour la fabrication d'un carreau en bois

Country Status (9)

Country Link
EP (1) EP0074821B1 (fr)
AT (1) ATE33785T1 (fr)
AU (1) AU557673B2 (fr)
CA (1) CA1193823A (fr)
DE (1) DE3278391D1 (fr)
GB (1) GB2107642B (fr)
HK (1) HK5287A (fr)
MY (1) MY8700188A (fr)
SG (1) SG86686G (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2285069A (en) * 1993-12-21 1995-06-28 Chung Hsien Chiou Patterned floor tile
FR2757197A1 (fr) * 1996-12-16 1998-06-19 Sarl Soveco Reunion Procede de couverture en bardeaux a dimensions optimisees

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR555023A (fr) * 1922-08-10 1923-06-21 G Leroy Ets Dispositif de dérouleuses permettant l'obtention de planchettes de forme déterminée
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
GB835075A (fr) * 1957-11-29 1960-05-18
US3377223A (en) * 1963-12-19 1968-04-09 Simpson Timber Co Composite wood veneer and means for producing same
US3448530A (en) * 1967-03-21 1969-06-10 Aage W Mortensen Method and apparatus for conditioning logs to be cut into veneer
FR2184626A1 (fr) * 1972-05-18 1973-12-28 Hettich Karl
US4044182A (en) * 1975-06-14 1977-08-23 Hashimoto Denki Co., Ltd. Veneer core block for plywood and method for forming same
US4234024A (en) * 1978-04-20 1980-11-18 Meinan Machinery Works, Inc. Veneer lathe

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR555023A (fr) * 1922-08-10 1923-06-21 G Leroy Ets Dispositif de dérouleuses permettant l'obtention de planchettes de forme déterminée
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
GB835075A (fr) * 1957-11-29 1960-05-18
US3377223A (en) * 1963-12-19 1968-04-09 Simpson Timber Co Composite wood veneer and means for producing same
US3448530A (en) * 1967-03-21 1969-06-10 Aage W Mortensen Method and apparatus for conditioning logs to be cut into veneer
FR2184626A1 (fr) * 1972-05-18 1973-12-28 Hettich Karl
US4044182A (en) * 1975-06-14 1977-08-23 Hashimoto Denki Co., Ltd. Veneer core block for plywood and method for forming same
US4234024A (en) * 1978-04-20 1980-11-18 Meinan Machinery Works, Inc. Veneer lathe

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2285069A (en) * 1993-12-21 1995-06-28 Chung Hsien Chiou Patterned floor tile
FR2757197A1 (fr) * 1996-12-16 1998-06-19 Sarl Soveco Reunion Procede de couverture en bardeaux a dimensions optimisees

Also Published As

Publication number Publication date
ATE33785T1 (de) 1988-05-15
HK5287A (en) 1987-01-23
MY8700188A (en) 1987-12-31
EP0074821A3 (en) 1984-01-18
AU8841082A (en) 1983-03-24
GB2107642A (en) 1983-05-05
SG86686G (en) 1987-07-03
DE3278391D1 (en) 1988-06-01
EP0074821B1 (fr) 1988-04-27
CA1193823A (fr) 1985-09-24
AU557673B2 (en) 1987-01-08
GB2107642B (en) 1985-12-18

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