FI104286B - Sätt att förhindra inre sprickor i trä - Google Patents

Sätt att förhindra inre sprickor i trä Download PDF

Info

Publication number
FI104286B
FI104286B FI942209A FI942209A FI104286B FI 104286 B FI104286 B FI 104286B FI 942209 A FI942209 A FI 942209A FI 942209 A FI942209 A FI 942209A FI 104286 B FI104286 B FI 104286B
Authority
FI
Finland
Prior art keywords
wood
temperature
difference
internal cracks
internal
Prior art date
Application number
FI942209A
Other languages
English (en)
Finnish (fi)
Other versions
FI104286B1 (sv
FI942209A0 (sv
FI942209A (sv
Inventor
Pertti Viitaniemi
Saila Jaemsae
Pentti Ek
Alpo Ranta-Maunus
Original Assignee
Valtion Teknillinen
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8540685&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI104286(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Valtion Teknillinen filed Critical Valtion Teknillinen
Priority to FI942209A priority Critical patent/FI104286B/sv
Publication of FI942209A0 publication Critical patent/FI942209A0/sv
Priority to PCT/FI1994/000190 priority patent/WO1994027102A1/en
Priority to JP52502094A priority patent/JP3585492B2/ja
Priority to ES94915166T priority patent/ES2154676T3/es
Priority to AT94915166T priority patent/ATE198661T1/de
Priority to DE69426563T priority patent/DE69426563T2/de
Priority to EP94915166A priority patent/EP0695408B1/en
Priority to AU66516/94A priority patent/AU6651694A/en
Priority to CA002162374A priority patent/CA2162374C/en
Priority to US08/545,791 priority patent/US5678324A/en
Priority to DK94915166T priority patent/DK0695408T3/da
Priority to PT94915166T priority patent/PT695408E/pt
Priority to AU24106/95A priority patent/AU2410695A/en
Priority to AT95918005T priority patent/ATE163084T1/de
Priority to EP95918005A priority patent/EP0759137B1/en
Priority to PCT/FI1995/000252 priority patent/WO1995031680A1/en
Priority to DE69501588T priority patent/DE69501588T2/de
Priority to DK95918005T priority patent/DK0759137T3/da
Priority to FI955391A priority patent/FI104285B1/sv
Publication of FI942209A publication Critical patent/FI942209A/sv
Publication of FI104286B1 publication Critical patent/FI104286B1/sv
Publication of FI104286B publication Critical patent/FI104286B/sv
Application granted granted Critical
Priority to GR20010400549T priority patent/GR3035701T3/el

Links

Landscapes

  • Drying Of Solid Materials (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)

Claims (4)

1. Förfarande för minskning av inre sprickbildning i trä i samband med värmebehandling som utförs vid en temperatur over 90 °C, kännetecknatavatt träets inre partier 5 bringas till en fukthalt understigande 10 %, och därefter höjs omgivningens temperatur anefter sä att temperaturskillnaden mellan den uppmätta temperaturen inne i träet respektive pä dess yta är högst 30 °C.
2. Förfarande enligt krav 1, kännetecknat av att sagd temperaturskillnad är 10 - 10 30 °C.
3. Förfarande enligt krav 1,kännetecknat av att trävaran torkas i en torknings-ugn före värmebehandlingen vid en temperatur av ca 110 -140 °C för sänkning av träets fukthalt. 15
4. Förfarande enligt krav 1, kännetecknat av att temperatusskillnaden är 10 - 30 °C vid avkylning av träet. 20
FI942209A 1993-05-12 1994-05-11 Sätt att förhindra inre sprickor i trä FI104286B (sv)

Priority Applications (20)

Application Number Priority Date Filing Date Title
FI942209A FI104286B (sv) 1994-05-11 1994-05-11 Sätt att förhindra inre sprickor i trä
PT94915166T PT695408E (pt) 1993-05-12 1994-05-13 Processo para aumentar a resistencia de produtos celulosicos contra o bolor e o apodrecimento
US08/545,791 US5678324A (en) 1993-05-12 1994-05-13 Method for improving biodegradation resistance and dimensional stability of cellulosic products
JP52502094A JP3585492B2 (ja) 1993-05-12 1994-05-13 セルロース製品の耐生分解特性および寸法安定性を向上させる方法
ES94915166T ES2154676T3 (es) 1993-05-12 1994-05-13 Procedimiento para el aumento de la resistencia de productos celulosicos contra hongos y putrefaccion.
AT94915166T ATE198661T1 (de) 1993-05-12 1994-05-13 Verfahren zur verbesserung des widerstandes von zellulosehaltigen produkten gegen schimmel und fäulnis
DE69426563T DE69426563T2 (de) 1993-05-12 1994-05-13 Verfahren zur verbesserung des widerstands von cellulosehaltigen produkten gegen schimmel und fäulnis
EP94915166A EP0695408B1 (en) 1993-05-12 1994-05-13 Method for increasing the resistance of cellulosic products against mould and decay
AU66516/94A AU6651694A (en) 1993-05-12 1994-05-13 Method for improving biodegradation resistance and dimensional stability of cellulosic products
CA002162374A CA2162374C (en) 1993-05-12 1994-05-13 Method for improving biodegradation resistance and dimensional stability of cellulosic products
PCT/FI1994/000190 WO1994027102A1 (en) 1993-05-12 1994-05-13 Method for improving biodegradation resistance and dimensional stability of cellulosic products
DK94915166T DK0695408T3 (da) 1993-05-12 1994-05-13 Fremgangsmåde til forbedring af celluloseholdige produkters modstandsevne over for skimmel og råd
DK95918005T DK0759137T3 (da) 1994-05-11 1995-05-11 Fremgangsmåde til bearbejdning af træ ved forhøjede temperaturer
AU24106/95A AU2410695A (en) 1994-05-11 1995-05-11 Method for processing wood at elevated temperatures
AT95918005T ATE163084T1 (de) 1994-05-11 1995-05-11 Verfahren zur bearbeitung von holz bei erhöhten temperaturen
EP95918005A EP0759137B1 (en) 1994-05-11 1995-05-11 Method for processing wood at elevated temperatures
PCT/FI1995/000252 WO1995031680A1 (en) 1994-05-11 1995-05-11 Method for processing wood at elevated temperatures
DE69501588T DE69501588T2 (de) 1994-05-11 1995-05-11 Verfahren zur bearbeitung von holz bei erhöhten temperaturen
FI955391A FI104285B1 (sv) 1993-05-12 1995-11-09 Förfarande för förbättring av hållfastheten mot biodegradering och dimensionsstabiliteten hos cellulosabaserade produkter
GR20010400549T GR3035701T3 (en) 1993-05-12 2001-04-05 Method for improving biodegradation resistance and dimensional stability of cellulosic products

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI942209 1994-05-11
FI942209A FI104286B (sv) 1994-05-11 1994-05-11 Sätt att förhindra inre sprickor i trä

Publications (4)

Publication Number Publication Date
FI942209A0 FI942209A0 (sv) 1994-05-11
FI942209A FI942209A (sv) 1995-11-12
FI104286B1 FI104286B1 (sv) 1999-12-15
FI104286B true FI104286B (sv) 1999-12-15

Family

ID=8540685

Family Applications (1)

Application Number Title Priority Date Filing Date
FI942209A FI104286B (sv) 1993-05-12 1994-05-11 Sätt att förhindra inre sprickor i trä

Country Status (1)

Country Link
FI (1) FI104286B (sv)

Also Published As

Publication number Publication date
FI104286B1 (sv) 1999-12-15
FI942209A0 (sv) 1994-05-11
FI942209A (sv) 1995-11-12

Similar Documents

Publication Publication Date Title
AU730803C (en) Process for treating green wood and accelerating drying of green wood
US3521373A (en) Process and plant for the vacuum drying of wood in the form of planks or laths
JP3898764B2 (ja) 木材のガラス遷移温度で木材を処理する方法
US4182048A (en) Method of drying lumber
CA1125959A (en) Process and plant for drying solid wood in planks or semi-finished products by means of a superheated steam system
CA2333883C (en) Method and apparatus for drying wood
Tarmian et al. Moisture diffusion coefficient of reaction woods: compression wood of Picea abies L. and tension wood of Fagus sylvatica L.
CA1119397A (en) Method for preventing sticker marks on architectural grade plywood and lumber
RU2162993C2 (ru) Способ сушки древесины
EP0759137B1 (en) Method for processing wood at elevated temperatures
FI104286B (sv) Sätt att förhindra inre sprickor i trä
Chang et al. Hygroscopic property of heat treated yellow poplar (Liriodendron tulipifera) wood
US20040045183A1 (en) Double-shell dryer
FI73310B (fi) Saett att bestaemma fuktkvoten i virke under torkning.
JP2007022077A (ja) 木材の乾燥方法
FI97961C (sv) Förfarande för tillverkande av pressträ
JPH1076501A (ja) 心持ち柱材の割れ抑制乾燥方法
JP2575767B2 (ja) 木材の材質改良方法
JP2003170405A (ja) 木材の蒸気加熱による乾燥方法及び装置
Pang et al. High-temperature kiln drying of softwood timber: The role of mathematical modelling
Chen et al. Stress relief for sapwood Pinus radiata boards by cooling and steam-conditioning processes
FI104285B (sv) Förfarande för förbättring av hållfastheten mot biodegradering och dimensionsstabiliteten hos cellulosabaserade produkter
CA2441553A1 (en) Method for drying timber
WO2002101308A1 (en) Method for drying wood
JP2024090478A (ja) ブリーディング水除去促進方法

Legal Events

Date Code Title Description
FCK Appeal rejected

Free format text: APPLICATION REJECTED