Method and device for producing shaped bodies

Details Method and device for producing shaped bodies Method and device for producing shaped bodies

B - Operations, Transporting

27

N

B27N 3/18 (2006.01) B27N 3/08 (2006.01)

Patent

CA 2332144

The invention relates to a method for producing shaped bodies, especially fibre boards, particle boards or similar. According to said method, fibres or cellulose- or lignocellulose-containing particles with added binders are dispersed to form a nonwoven material and then preheated. This nonwoven material is then pressed to form the shaped body, heat and pressure being applied. The nonwoven material consisting of pre-pressed fibres or similar particles is pre-heated by conveying heat energy from inside the nonwoven outside, to the surface. The invention also relates to a device for carrying out the inventive method.

L'invention concerne un procédé permettant de produire des corps moulés, notamment des plaques à base de fibres, de copeaux ou similaires. Selon ce procédé, des fibres, des particules contenant de la cellulose ou de la lignocellulose, mélangées avec des liants, sont disséminées pour former un non-tissé et préchauffées, avant que le non-tissé ne soit comprimé pour former le corps moulé, sous apport de chaleur et de pression. Le préchauffage du non-tissé à base de fibres précomprimées ou de particules similaires intervient sous apport d'énergie thermique depuis l'intérieur du non-tissé vers l'extérieur, en direction de la surface du non-tissé. L'invention concerne en outre un dispositif permettant de mettre ledit procédé en oeuvre.

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