Method of producing shaped articles of fiber/binder mixtures
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United States of America Patent
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-
Apr 7, 1992
Grant Date -
N/A
app pub date -
Nov 29, 1990
filing date -
Dec 1, 1989
priority date (Note) -
Expired
status (Latency Note)
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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.
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