Process for preparing flat articles which have been moulded...

Details Process for preparing flat articles which have been moulded... Process for preparing flat articles which have been moulded...

B - Operations, Transporting

27

N

18/1010

B27N 3/12 (2006.01) B27N 5/00 (2006.01)

Patent

CA 1209313

ABSTRACT OF THE DISCLOSURE The invention relates to a process for preparing generally flat articles which are moulded and shaped in dry mouldsfrom defibrated components of wood. In this process, the moisture required to give good felting remains a constituent of the wood fibres until the moulding stage. These wood fibres are mixed with fibre- and/or moisture-reactive binders and, if appropriate, auxiliaries, then metered by means of a gravity-compensating air stream onto a preform sieve, the preform being then compression-moulded without a cooling cycle in sieve-free moulds having surfaces which are smooth or embossed in any desired pattern, the novel method permitting improved preforms without high levels of binder and/or auxiliaries.

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