Plastic and nonmetallic article shaping or treating: processes – Reactive gas or vapor treatment of work – Work is organic material
Patent
1995-11-17
2000-04-25
Theisen, Mary Lynn
Plastic and nonmetallic article shaping or treating: processes
Reactive gas or vapor treatment of work
Work is organic material
264109, 264113, B27N 308
Patent
active
060540818
ABSTRACT:
A process and installation for the continuous production of boards of wood-based material, includes the steps of forming on a continuously moving scattering belt, a pressed material mat includes an initial mixture of chips and/or fibers from a scattering station and mixed with binder; precompacting and preheating the pressed material mat between the scattering station and a main pressing region; and bringing into an end form and curing the pressed material with the application of pressure and heat in a main pressing regions. The moisture level of the pressed material mat is less on entry into the main pressing region than the moisture level of the initial mixture in the scattering of the pressed material mat, part of the moisture imparted to it in the scattering being extracted again by hot-air preheating.
REFERENCES:
patent: 3230287 (1966-01-01), Caron et al.
patent: 4293509 (1981-10-01), Buecking
patent: 5063010 (1991-11-01), Fischer et al.
patent: 5284546 (1994-02-01), Tilby
patent: 5892208 (1999-04-01), Harris et al.
Maschinenfabrik J. Dieffenbacher GmbH & Co.
Theisen Mary Lynn
LandOfFree
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