Machine for continuous manufacture of chipboards, fibreboards or

Details Machine for continuous manufacture of chipboards, fibreboards or Machine for continuous manufacture of chipboards, fibreboards or

1994-05-26

1996-06-18

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With work feeding or handling means

1565833, 1565835, 15658391, 100 93RP, 100153, 425373, 492 16, 492 7, B30B 504

Patent

active

055274226

ABSTRACT:
A machine for the manufacture of chipboards or fibreboards comprises a pressure drum (1) and an endless steel belt (2) which wraps the pressure drum (1) around part of its periphery and forms there a compacting line (P) in which is for a sufficiently long time compacted and cured, by the action of pressure and temperature, material which is brought into it and which comprises lignocellulose or cellulose, is reduced to chips or fibres and is provided with an adhesive curable by heat. The compacting pressure and the heating are produced by extensive pressure shoes (10, 13, 14, 15) comprising a hydrostatic bearing pocket (11) supplied with hot pressurised oil. The pressure drum (1) is provided with a non-rotatable carrier (19) and a jacket (20) which is rotatable about it and is supported by supporting elements (21) supplied with hot pressurised oil, so that the jacket (20) is simultaneously heated and adjustable pressure forces without bearing loading are produced, while a uniform smooth gap is obtained.

REFERENCES:
patent: 4848119 (1989-07-01), Pav et al.
patent: 4852229 (1989-08-01), Crouse
patent: 4856154 (1989-08-01), Nikulainen et al.
patent: 4992133 (1991-02-01), Border
patent: 5242361 (1993-09-01), Brown et al.
patent: 5272967 (1993-12-01), Held

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