Process and an apparatus for the continuous manufacture of board

Details Process and an apparatus for the continuous manufacture of board Process and an apparatus for the continuous manufacture of board

1978-05-12

1980-08-05

Arnold, Donald J.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

264119, 264120, 425174, 425335, 425371, H05B 100

Patent

active

042161797

ABSTRACT:
Particleboard made from particles in the form of chips or fibers or the like is made by distributing a mass of chip material onto an endless belt conveyer system. The mass of material is subsequently passed to a precompressor, a high frequency preheating device, a further press and a finishing press. The unheated further press serves to reduce the thickness of the material to substantially that of the finished board prior to its consolidation by temperature and pressure in the finishing press. A further endless belt contacts the surface of the material and runs through the precompressor, the high frequency heating device and the further press and serves to counteract any tendency of the chip material to expand after leaving the precompressor. This endless belt additionally yields a number of other significant advantages, in particular a reduction of loss of heat from the material prior to reaching the finishing press.

REFERENCES:
patent: 3230287 (1966-01-01), Caron et al.
patent: 3942929 (1976-03-01), De Mets
patent: 4005162 (1977-01-01), Bucking
patent: 4111744 (1978-09-01), Reiniger

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