MY132237A - A method of producing lignocellulosic boards - Google Patents

A method of producing lignocellulosic boards

Info

Publication number
MY132237A
MY132237A MYPI96003004A MYPI9603004A MY132237A MY 132237 A MY132237 A MY 132237A MY PI96003004 A MYPI96003004 A MY PI96003004A MY PI9603004 A MYPI9603004 A MY PI9603004A MY 132237 A MY132237 A MY 132237A
Authority
MY
Malaysia
Prior art keywords
mat
steam
boards
middle layer
board
Prior art date
Application number
MYPI96003004A
Inventor
N Lennart Eriksson
Goran Lundgren
Lars-Otto Sislegard
Kjell Sjodin
Original Assignee
Sunds Defibrator Ind Ab
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 Sunds Defibrator Ind Ab filed Critical Sunds Defibrator Ind Ab
Publication of MY132237A publication Critical patent/MY132237A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/08—Moulding or pressing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/08—Moulding or pressing
    • B27N3/24—Moulding or pressing characterised by using continuously acting presses having endless belts or chains moved within the compression zone

Abstract

A METHOD OF THE PRODUCTION OF BOARDS OF A LIGNOCELLULOSIC FIBROUS MATERIAL WHEREIN A MATERIAL IS BROKEN UP INTO PARTICLES AND/OR FIBERS THAT ARE DRIED, GLUED AND FORMED TO A MAT AND PRESSED TO A FINISHED BOARD SO THAT STEAM IS INTRODUCED TO BE MAT. ACCORDING TO THE PRESENT INVENTION, THE STEAM IS INTRODUCED IN A LIMITED AMOUNT IN A FIRST INJECTION STEP. THIS AMOUNT IS ADJUSTED SO THAT THE STEAM ONLY PENETRATES INTO, HEATS AND CURES THE SURFACE LAYER OF THE MAT. THUS, A BOARD HAVING A SURFACE LAYER WITH A HIGHER DENSITY THAN A MIDDLE LAYER IS OBTAINED SO THAT THE SUBSEQUENT CALIBRATION COMPRESSION PROVIDES A GREATER THICKNESS THAT PERMITS THE MIDDLE LAYER TO EXPAND WHILE THE DENSITY OF THE SURFACE LAYERS IS MAINTAINED.
MYPI96003004A 1995-07-27 1996-07-22 A method of producing lignocellulosic boards MY132237A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9502714A SE504637C2 (en) 1995-07-27 1995-07-27 Process for making lignocellulosic discs

Publications (1)

Publication Number Publication Date
MY132237A true MY132237A (en) 2007-09-28

Family

ID=20399083

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI96003004A MY132237A (en) 1995-07-27 1996-07-22 A method of producing lignocellulosic boards

Country Status (11)

Country Link
EP (1) EP0842022A1 (en)
JP (1) JPH11510115A (en)
AR (1) AR003012A1 (en)
AU (1) AU6539596A (en)
CA (1) CA2226749A1 (en)
MY (1) MY132237A (en)
PL (1) PL324651A1 (en)
SE (1) SE504637C2 (en)
TW (1) TW396101B (en)
WO (1) WO1997004933A1 (en)
ZA (1) ZA966391B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19701596C2 (en) * 1996-02-15 1999-03-18 Siempelkamp Gmbh & Co Process and plant for preheating pressed material mats from glued pressed material
DK176116B1 (en) * 1997-03-18 2006-08-14 Wesser & Dueholm Process for manufacturing particleboard, fiberboard and the like
DE19963096C1 (en) * 1999-12-24 2001-05-03 Glunz Ag Polyurethane-bound molding, e.g. chipboard or fiberboard for insulation or wallboard, comprises applying isocyanate and polyol to separate batches of lignocellulose particles, mixing, preforming, calibration and heating
DE102007044163A1 (en) * 2007-09-15 2009-03-19 Dieffenbacher Gmbh + Co. Kg Process for the production of insulating and / or soundproofing panels made of wood fibers in a dry process and a calibration and curing device
PT2062709E (en) * 2007-11-23 2012-08-27 Glunz Ag Boards made from wood fibres using a bonding agent
DE102011003318B4 (en) * 2010-10-07 2016-06-23 Institut Für Holztechnologie Dresden Gemeinnützige Gmbh Fibreboard with functional density profile and process for its production
ITMO20120311A1 (en) * 2012-12-20 2014-06-21 Imal Srl METHOD FOR PROCESSING PANELS BASED ON WOODEN MATERIAL.
CN105922382A (en) * 2016-06-18 2016-09-07 王寿南 Culm sheath treatment system
CN105835174A (en) * 2016-06-18 2016-08-10 王寿南 Method for pre-treating bamboo shells through flatly-spreading device
CN105835173A (en) * 2016-06-18 2016-08-10 王寿南 Treatment method for pre-treating bamboo shells by jointly using steaming plant and flatly-spreading device
CN105835175A (en) * 2016-06-18 2016-08-10 王寿南 Method for pre-treating culm sheath waste by jointly using steaming device, airing support and flatly-spreading device
CN113500680B (en) * 2021-06-16 2022-05-24 千年舟新材科技集团股份有限公司 Light-weight high-strength veneer-faced oriented poplar shaving board and preparation method thereof

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4393019A (en) * 1981-11-30 1983-07-12 The United States Of America As Represented By The Secretary Of Agriculture Method of pressing reconstituted lignocellulosic materials
US4517147A (en) * 1984-02-03 1985-05-14 Weyerhaeuser Company Pressing process for composite wood panels
CA1255470A (en) * 1985-05-15 1989-06-13 Karl Walter Process for making a composite wood panel

Also Published As

Publication number Publication date
AR003012A1 (en) 1998-05-27
SE9502714D0 (en) 1995-07-27
SE504637C2 (en) 1997-03-24
CA2226749A1 (en) 1997-02-13
AU6539596A (en) 1997-02-26
SE9502714L (en) 1997-01-28
ZA966391B (en) 1997-02-19
PL324651A1 (en) 1998-06-08
EP0842022A1 (en) 1998-05-20
TW396101B (en) 2000-07-01
WO1997004933A1 (en) 1997-02-13
JPH11510115A (en) 1999-09-07

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