Method of producing shaped articles of fiber/binder mixtures

Details Method of producing shaped articles of fiber/binder mixtures Method of producing shaped articles of fiber/binder mixtures

1990-11-29

1992-04-07

Theisen, Mary Lynn

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

With liberating or forming of particles

106731, 106780, 156 39, 264333, C04B 7345

Patent

active

051025965

ABSTRACT:
Paper or cellulose pieces forming a fiber raw material are wetted with water prior to comminution so that the comminution into fibers is effected with the moistened raw material. The moisture content of the fibers makes up at least part of the water of hydration required to completely set the binder which is mixed with the fibers. The binder can be plaster (gypsum) or hydraulic cement. The mixture is pressed to the desired shape and heat may be applied.

REFERENCES:
patent: 3809566 (1974-05-01), Revord
patent: 4100242 (1978-07-01), Leach
patent: 4328178 (1982-05-01), Kossatz
patent: 4406703 (1983-09-01), Guthrie et al.
patent: 4840688 (1989-06-01), Vogt
patent: 4902348 (1990-02-01), Kossatz et al.
patent: 4942003 (1990-07-01), Bold

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