EP 0255950 A3 19891102 - METHOD OF MANUFACTURING FIBRE BOARDS
Title (en)
METHOD OF MANUFACTURING FIBRE BOARDS
Publication
Application
Priority
- DE 3626767 A 19860807
- DE 3712381 A 19870411
Abstract (en)
[origin: EP0255950A2] Method of manufacturing fibre boards, in which the fibre boards, after manufacture, are subjected to an impregnation treatment by which it is possible to manufacture fibre boards which are hardly flammable and which attain fire classification B1 according to DIN 4102. For this purpose, according to the invention the fibre boards are to consist of resinoid-bonded compressed wood fibres and are to be provided with a paraffin emulsion and/or other waterproofing agents, and the boards are to be impregnated with an aqueous salt solution so that they contain, after subsequent drying, 100 to 300 kg of salt mixture per m<3>.
IPC 1-7
IPC 8 full level
B27K 3/32 (2006.01); B27K 3/52 (2006.01); B27N 7/00 (2006.01); B27N 9/00 (2006.01)
CPC (source: EP)
B27N 7/00 (2013.01); B27N 9/00 (2013.01); B27K 3/08 (2013.01); B27K 3/32 (2013.01); B27K 3/52 (2013.01); B27K 2240/70 (2013.01)
Citation (search report)
- [A] US 3935343 A 19760127 - NUTTALL HAROLD W
- [A] US 2931737 A 19600405 - JESSE THORNTON
- [A] US 3516851 A 19700623 - KAILA ANJAL AULIS
- [A] DE 1492551 A1 19690130 - ARVIDSSON E
- [A] US 4343840 A 19820810 - EDWARDS BEN E, et al
- [A] GB 337133 A 19301030 - CHARLES GOODALL
- [A] US 3840388 A 19741008 - PERLUS T, et al
- [A] DE 2904041 A1 19791011 - FISCHER AG BRUGG GEORG
- [A] TASCHENBURCH DER HOLZTECHNOLOGIE, 1966, Seite 149, Veb Fachbuchverlag, Leipzig, CH; "Hydrophobierungsmittel"
Designated contracting state (EPC)
AT BE CH DE ES FR GB GR IT LI LU NL SE
DOCDB simple family (publication)
EP 0255950 A2 19880217; EP 0255950 A3 19891102; EP 0255950 B1 19930317; AT E86911 T1 19930415; DE 3726108 A1 19880211; FI 873431 A0 19870807; FI 873431 A 19880208
DOCDB simple family (application)
EP 87111367 A 19870806; AT 87111367 T 19870806; DE 3726108 A 19870806; FI 873431 A 19870807