B - Operations – Transporting – 27 – N
Patent
B - Operations, Transporting
27
N
B27N 3/14 (2006.01)
Patent
CA 2334578
Method for continuous forming of a fiber mat for manufacturing fiberboard according to the dry method, including metering fiber material and depositing the material on a surface of a moving transport means and forming the mat by means of adjustable rotating forming rolls (1). The forming rolls (1) are working in the deposited material whereby the upper surface of the mat is defined by the last forming roll (5). A bulb (4) of material is formed in front of the last forming roll (5) and the size of the bulb is indicated and used for control of the vertical position of the last forming roll (5).
L'invention concerne un procédé de formation continue d'un mat de fibres pour fabriquer des panneaux de fibres conformément au procédé par voie sèche. Ce procédé consiste à mesurer une matière fibreuse, à la déposer sur une surface d'un dispositif de transport mobile et à former le mat au moyen de rouleaux (1) de formation rotatifs et réglables (1). Ces rouleaux de formation (1) passent sur la matière déposée. De cette façon, la surface supérieure du mat est définie par le dernier rouleau de formation (5). Une bulbe (4) de matière est formée devant le dernier rouleau de formation (5). La dimension de cette bulbe sert à commander la position verticale de ce dernier rouleau de formation (5).
Mathiasson Mikael
Thorbjornsson Sven-Ingvar
Fetherstonhaugh & Co.
Valmet Fibertech Ab
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