Global Patent Index - EP 1011940 A1

EP 1011940 A1 2000-06-28 - METHOD AND DEVICE FOR MANUFACTURING MOULDED BODIES FROM CRUSHED MATERIAL

Title (en)

METHOD AND DEVICE FOR MANUFACTURING MOULDED BODIES FROM CRUSHED MATERIAL

Title (de)

VERFAHREN UND VORRICHTUNG ZUR HERSTELLUNG VON FORMKÖRPERN AUS ZERKLEINERTEM MATERIAL

Title (fr)

PROCEDE ET DISPOSITIF POUR PRODUIRE DES CORPS MOULES A PARTIR DE MATERIAU BROYE

Publication

EP 1011940 A1 (DE)

Application

EP 98945303 A

Priority

  • DE 19738953 A
  • EP 9805562 W

Abstract (en)

[origin: DE19738953C1] A particle board, a fibre board or an OSB (oriented strand board) (25) is formed from a cellulosic material to which a radiation settable binder has been added. The method of the invention involves first forming a diffusion layer (4) that undergoes a final compression in a press (16), and where relevant, a pre-compression in a prepress (5), and followed by sudden setting of said layer (4) by means of an electron bombardment device (22). Unlike the known manufacturing method, using a thermosetting binder, the inventive method is hindered neither by heat transfer to the centre of the boards nor by a non homogeneous humidity profile. The risk of board splitting is avoided so that high quality boards may be produced at a high yield. Unlike the known manufacturing method using a thermosetting binder, these boards require no conditioning storage.

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

B27N 3/00

IPC 8 full level (invention and additional information)

B27N 3/00 (2006.01); B27N 3/24 (2006.01)

CPC (invention and additional information)

B27N 3/00 (2013.01); B27N 3/002 (2013.01)

Citation (search report)

See references of WO 9912711A1

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

DE 19738953 C1 19990304; AT 208252 T 20011115; AU 9265898 A 19990329; CA 2303300 A1 19990318; CA 2303300 C 20060530; DE 19881279 D2 20010118; EP 1011940 A1 20000628; EP 1011940 B1 20011107; ES 2167937 T3 20020516; JP 2001515802 A 20010925; US 6582648 B1 20030624; WO 9912711 A1 19990318

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