Method and arrangement for pre-pressing fiber material at...

Details Method and arrangement for pre-pressing fiber material at... Method and arrangement for pre-pressing fiber material at...

B - Operations, Transporting

27

N

B27N 3/24 (2006.01) B27N 3/10 (2006.01)

Patent

CA 2159200

A method and an arrangement for pre-pressing a formed mat of disintegrated lignocellylose-containing fiber material prior to finishing pressing at continuous manufacture of board. After the forming to a mat with subsequent first compression and expansion, the mat is introduced between two endless unheated belts (12) for successive compression in an inlet portion (7), pressing between nip rolls (8) and controlled restricted expansion in a delivery portion (9). The delivery portion (9) is provided for direct transfer of the mat to the finishing press.

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