Plastic and nonmetallic article shaping or treating: processes – Direct application of fluid pressure differential to... – Bulk deposition of particles by differential fluid pressure
Patent
1983-03-07
1985-06-25
Czaja, Donald
Plastic and nonmetallic article shaping or treating: processes
Direct application of fluid pressure differential to...
Bulk deposition of particles by differential fluid pressure
264121, B29J 500
Patent
active
045253218
ABSTRACT:
The invention relates to a process for preparing flat articles which are moulded in any desired shaped in dry moulds from 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, are metered by means of a gravity-compensating air stream onto a preform sieve, and are then compression-moulded without a cooling cycle in sieve-free moulds between two surfaces which are smooth or embossed in any desired pattern.
REFERENCES:
patent: 4257995 (1981-03-01), McLaughlin et al.
patent: 4375448 (1983-03-01), Appel et al.
Particleboard, A. A. Moslemi, Southern Illinois University Press, 1974, p. 39.
Czaja Donald
Deutsche Fibrit Gesellschaft Ebers & Dr. Muller mbH
Fischbach V.
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