EP1485550B1 - A construction and manufacturing process of a wooden floorboard - Google Patents

A construction and manufacturing process of a wooden floorboard Download PDF

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Publication number
EP1485550B1
EP1485550B1 EP02788464A EP02788464A EP1485550B1 EP 1485550 B1 EP1485550 B1 EP 1485550B1 EP 02788464 A EP02788464 A EP 02788464A EP 02788464 A EP02788464 A EP 02788464A EP 1485550 B1 EP1485550 B1 EP 1485550B1
Authority
EP
European Patent Office
Prior art keywords
wooden
strips
construction
manufacturing process
floorboard
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.)
Expired - Lifetime
Application number
EP02788464A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1485550A1 (en
Inventor
Daniel Nugroho Handoyo
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.)
PT Tanjung Kreasi Parquet Industry
Original Assignee
PT Tanjung Kreasi Parquet Industry
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 PT Tanjung Kreasi Parquet Industry filed Critical PT Tanjung Kreasi Parquet Industry
Publication of EP1485550A1 publication Critical patent/EP1485550A1/en
Application granted granted Critical
Publication of EP1485550B1 publication Critical patent/EP1485550B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • E04F15/022—Flooring consisting of parquetry tiles on a non-rollable sub-layer of other material, e.g. board, concrete, cork
    • 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
    • E04F15/041—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 top layer of wood in combination with a lower layer of other material
    • 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
    • E04F15/045—Layered panels only of wood
    • E04F15/046—Plywood panels
    • 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
    • E04F15/048—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 top surface of assembled elongated wooden strip type

Definitions

  • the present invention generally relates to the special construction and manufacturing process of engineered wooden- floorboard which could simultaneously perform surface durability, structural-integrity, stability and mechanical strength, compared to other existing wooden-floorboards either manufactured in solid or in engineered wood process.
  • floorboards are either in solid-wood flooring; engineered wood flooring, or High DensityFiberboard with a thin slice of wood (or plastic) lamination.
  • Solid-wood flooring is generally known for their more expensive cost; their heavier weights ; their lack of stability due to the nature of the solid-wood itself; and also their random, irregular length and width normally available, because of the method of their manufacturing.
  • Engineered-Wood Flooring is generally produced more for aesthetic installation, with limited engineered and structural merits. They are not produced with the intended surface-durability, structural-integrity, stability or mechanical strength, unless otherwise intended.
  • Laminate Flooring is mass-produced mostly for aesthetic and economical installation only, and works more like a floor-covering product than real wood flooring.
  • a wooden floor board that comprises a top layer that is composed of a set of wooden strips, wherein elastomer membranes are placed between the strips to allow dimensional variations.
  • the substrate of the wooden strips comprises a finger joint at one end and a groove on the other end side to allow the floor board to be connected to other floor boards that have similar finger joints and grooves.
  • French patent FR 1 070 192 a wooden floor board is disclosed wherein wooden strips of a top layer comprise finger joints for interconnecting the wooden strips.
  • the invention is created to answer requirements of engineered wood flooring with all the merits of durability, structural-integrity, stability and mechanical strength; but without the cost, weight, and disadvantages of solid-wood flooring; and with comparable aesthetics and beauty against any other pre-finished, engineered wood-floorings in market.
  • Product dimension could also be made uniform for the ease of transportation, handling, storage and installation.
  • the object of the invention is to provide a wooden-floorboard having a surface-durability as the Solid Wood Flooring; having structural-integrity and mechanical strength as the Solid Wood Flooring; with a lighter weight and a more compatible cost.
  • the manufacturing, conditioning and assembling processes used the Engineered Wood Flooring process so as to make a high stability of the product as the Engineered Wood Flooring products.
  • the invention consits in the construction and manufacturing process of a wooden floorboard, as defined in claim 1.
  • the present invention is created to diminish the drawbacks of many kinds of wooden-floorboards presently existed, by creating a unique product which could simultaneously perform high surface-durability; structural-integrity; and good mechanical strength; and also could perform high stability with competitive price with other wooden-floorboard products from the same class.
  • the present invention can be manufactured with uniform sizes, and the finishing process is held in the manufactory itself, so as to completely provide the ease of packing, transportation, handling, storage and installation.
  • the present invention relates to a engineered wood flooring consisting of an assembly of top-layer (wear-layer) with an extreme thickness of between 5,0-9,0 mm ( ⁇ 0,20-0,35”) and a substrate of between 5,0-10 mm ( ⁇ 0,20-0,40”) custom rotary-cut plywood with special veneer composition and glue bonding.
  • butt-joint In general, a conventional joining method is called butt-joint. In this method, we only need to solely joint the edges of the wooden-strips without any profiling, so that in this kind of joint, there will be no adequate strength since the area of glue-contact is as thick as the wood-strips themselves. When the surface of the wood-strips is worn-out and re-sandpaper, the joint becomes weaker as the surface of the wood-strips is dropped and the glue-contact area will be smaller.
  • a unique method for joining, invented and designed for the present invention needs some mechanical processes for creating profiles, and the edges of the wood-strips to be joined, as a finger-joint profile and a high-scoring profile, are as can be seen from Fig. 3 .
  • Finger-joint profile is designed for providing strong finger-joints between the wooden-strips when completed. This method is chosen in order to increase the surface of glue-contact area when compared to a conventional butt-joint, and on completion, it gives twice as much as area of glue-contact compared to conventional butt-joint.
  • the high-scoring profile applied to the present joining method is intended to obtain and to maximize the thickness of the top layer (wear-layer) so as to achieve an extra-thick layer, which practically similar to the wear-layer thickness of solid wood flooring of comparable thickness.
  • the finger-joint profile made with around 10,0-12,0 mm ( ⁇ 0,40"-0,47”) high for creating a strong joint, meets a high scoring made to around 3,55-7,55 mm ( ⁇ 0,14"-0,30”) thick will provide not only an extreme thickness for the layer, but also a surface which is able to resist worn-out or re-sandpaper until the high-scoring is dropped; and even when it happens, the remaining joint area on the below finger-joint profile will still has a glue-contact area of more than 50% of the total width of the original joining area.
  • the wood-strips being finished to be joined and split into top layer will be assembled together by using a substrate of custom plywood consisting of 4 until 6 rotary-cut veneers, laid up from top to bottom with alternating "short-long-short" pattern of grain direction, thus the lowermost veneer of the plywood, which will be the "back" of the finished floorboard, is long grain aligned with the grain direction of the top layer (wear-layer).
  • Veneers are bonded to each other using heat-cured Phenol Formaldehyde Resin glue. After hot pressed under high temperature. The resulted plywood has between ⁇ 6,0-11,0 mm ( ⁇ 0,24-0,44") thick before process and will get further finishing process.
  • the final assembly between the top layer (wear-layer) and the substrate plywood is done by cold pressing under high pressure, utilizing the similar PVAc ( Poly Vynil Acetat ) class B-4 exterior glue-bonding, like the top-layer assembly.
  • PVAc Poly Vynil Acetat
  • the edges of the floorboards are machined to create the tongue and groove profiles, as well as machined on the backside to create 6 pieces of narrow grooves across the width of the backside at an equidistant of 313,0 mm ( ⁇ 12,32”), meant to balance the stresses within the floorboard assembly.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Floor Finish (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Steering Controls (AREA)
  • Display Devices Of Pinball Game Machines (AREA)
  • Adornments (AREA)
  • Laminated Bodies (AREA)
EP02788464A 2001-12-06 2002-11-26 A construction and manufacturing process of a wooden floorboard Expired - Lifetime EP1485550B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ID20010956 2001-12-06
ID20010956 2001-12-06
PCT/ID2002/000006 WO2003048482A1 (en) 2001-12-06 2002-11-26 Wooden floor

Publications (2)

Publication Number Publication Date
EP1485550A1 EP1485550A1 (en) 2004-12-15
EP1485550B1 true EP1485550B1 (en) 2009-05-13

Family

ID=11005007

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02788464A Expired - Lifetime EP1485550B1 (en) 2001-12-06 2002-11-26 A construction and manufacturing process of a wooden floorboard

Country Status (11)

Country Link
EP (1) EP1485550B1 (da)
CN (1) CN1293275C (da)
AT (1) ATE431473T1 (da)
AU (1) AU2002353439A1 (da)
DE (1) DE60232374D1 (da)
DK (2) DK1485550T3 (da)
ES (1) ES2326629T3 (da)
FI (1) FI20031128A7 (da)
LU (1) LU91034B1 (da)
SE (1) SE526203C2 (da)
WO (1) WO2003048482A1 (da)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7926239B2 (en) 2006-03-31 2011-04-19 Columbia Insurance Company Flooring profile
US8261507B2 (en) 2006-05-12 2012-09-11 Columbia Insurance Company Flooring profile

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1170439A1 (fr) * 2000-07-05 2002-01-09 Geroclair "Elément de parquet à joints compensateurs, et procédé de fabrication de cet élément"

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1070192A (fr) * 1953-01-29 1954-07-20 Panneau, notamment pour parquets
CH328341A (de) * 1954-07-05 1958-03-15 Kristian Staerk A S Profilierte Sperrholzplatte
IT207242Z2 (it) * 1986-03-07 1988-01-04 Giordano Guglielmo Un manufatto per pavimentazione, costituito da elementi di legno con fibra ortogonale alla facciavista ed assemblato con un supporto in compensato
CN2372389Y (zh) * 1998-11-20 2000-04-05 尹国光 复合立木地板
NL1013198C1 (nl) * 1999-10-03 2001-04-05 Bakker De Houthandel Cv Vormvast vloerdeel.
CN2447458Y (zh) * 2000-10-02 2001-09-12 爱家强化木地板(深圳)有限公司 卡扣型强化木地板

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1170439A1 (fr) * 2000-07-05 2002-01-09 Geroclair "Elément de parquet à joints compensateurs, et procédé de fabrication de cet élément"

Also Published As

Publication number Publication date
LU91034B1 (fr) 2003-08-12
WO2003048482A1 (en) 2003-06-12
DK1485550T3 (da) 2009-08-31
DK176651B1 (da) 2009-02-02
SE0302164L (sv) 2003-09-24
ATE431473T1 (de) 2009-05-15
SE0302164D0 (sv) 2003-08-04
EP1485550A1 (en) 2004-12-15
HK1064721A1 (zh) 2005-02-04
DK200301135A (da) 2003-10-06
AU2002353439A1 (en) 2003-06-17
DE60232374D1 (de) 2009-06-25
CN1293275C (zh) 2007-01-03
SE526203C2 (sv) 2005-07-26
CN1498300A (zh) 2004-05-19
FI20031128A7 (fi) 2003-08-04
ES2326629T3 (es) 2009-10-16

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