Manufacture of fiberboard by independently controlling temperatu

Details Manufacture of fiberboard by independently controlling temperatu Manufacture of fiberboard by independently controlling temperatu

1994-02-07

1996-01-09

Dawson, Robert A.

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

With liberating or forming of particles

264109, 264121, 264123, 156 622, 156 624, B27N 304

Patent

active

054826667

ABSTRACT:
Methods of manufacturing fiberboard from lignocellulose-containing fibrous material are disclosed including defibering the lignocellulose-containing material, drying the defibered lignocellulose-containing material by contact with a heated drying gas in a first drying step to produce a partially dried lignocellulose-containing material, mixing the partially dried lignocellulose-containing material with a glue, drying the admixture of partially dried lignocellulose-containing material and glue by contact with a heated drying gas in a second drying step, which is conducted at a lower temperature than the first drying step, independently controlling the temperature and moisture content in the second drying step to produce a dried lignocellulose-containing material having a predetermined temperature and moisture content, forming the dried lignocellulose-containing material into a fiber mat, and hot pressing the fiber mat into fiberboard.

REFERENCES:
patent: 2872337 (1959-03-01), Heritage et al.
patent: 4404250 (1983-09-01), Clarke
patent: 4862599 (1989-09-01), Brunner

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