Global Patent Index - EP 1163481 A2

EP 1163481 A2 2001-12-19 - METHOD AND APPARATUS FOR DRYING AND THERMALLY TREATING WOOD

Title (en)

METHOD AND APPARATUS FOR DRYING AND THERMALLY TREATING WOOD

Title (de)

VERFAHREN UND VORRICHTUNG ZUR TROCKNUNG UND THERMISCHEN BEHANDLUNG VON HOLZ

Title (fr)

PROCEDE ET APPAREIL DE SECHAGE ET DE TRAITEMENT THERMIQUE DU BOIS

Publication

EP 1163481 A2 (EN)

Application

EP 00906391 A

Priority

  • FI 0000132 W
  • FI 990376 A
  • FI 991443 A

Abstract (en)

[origin: WO0050207A2] The invention relates to a method and an apparatus for drying and/or thermally treating wood, wherein a batch of wood (2) to be processed is placed in a drying chamber (1) that is divided off from its surroundings, and energy is supplied to the chamber to dry the wood. In order to provide rapid drying, a negative pressure is generated in the drying chamber (1), and the energy used in the drying is supplied to the drying chamber (1) in the form of high frequency energy. When the moisture content has almost dropped to the final moisture level, the negative pressure is eliminated from the drying chamber (1), whereupon the final drying and/or thermal treatment are carried out by means of heat.

IPC 1-7 (main, further and additional classification)

F26B 3/34; F26B 5/04; F26B 7/00; F26B 23/08

IPC 8 full level (invention and additional information)

F26B 5/04 (2006.01); F26B 7/00 (2006.01)

CPC (invention and additional information)

F26B 5/048 (2013.01); F26B 7/00 (2013.01); F26B 2210/16 (2013.01)

Citation (search report)

See references of WO 0050207A3

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

WO 0050207 A2 20000831; WO 0050207 A3 20001228; AU 2807700 A 20000914; EP 1163481 A2 20011219; FI 110891 B 20030415; FI 991443 A0 19990624; FI 991443 A 20000823

INPADOC legal status


2004-12-08 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20040601

2003-08-06 [RTI1] TITLE (CORRECTION)

- Free text: METHOD AND APPARATUS FOR DRYING AND THERMALLY TREATING WOOD

2001-12-19 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20010906

2001-12-19 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A2

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

2001-12-19 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Free text: AL;LT;LV;MK;RO;SI