Method and apparatus for producing fiberboard according to...

Details Method and apparatus for producing fiberboard according to... Method and apparatus for producing fiberboard according to...

D - Textiles, Paper

21

J

92/7

D21J 1/00 (2006.01) B27N 3/08 (2006.01)

Patent

CA 1061619

METHOD AND APPARATUS FOR PRODUCING FIBERBOARD ACCORDING TO THE DRY METHOD ABSTRACT OF THE INVENTION Method and apparatus for producing fiberboard and the like from fibrous sheeting material by the dry method, in which the fibrous sheeting material is advanced from a forming station while supported on a perforated endless belt to a pressing station where it is compressed to desired thickness and compactness. During the ad- vancement of the sheeting material from the forming station to the pressing station, air is evacuated from the fibrous material by suction from beneath the endless belt while the sheeting is being simultaneously subjected to a preliminary compression, without dis- turbing the fiber orientation therein, but sufficient to render the sheeting material self-supporting during its further advancement to the pressing station, from which it is passed to cutting station for subdivision into board units.

281972

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