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Method of producing shaped articles of fiber/binder mixtures

  • US 5,102,596 A
  • Filed: 11/29/1990
  • Issued: 04/07/1992
  • Est. Priority Date: 12/01/1989
  • Status: Expired due to Fees
First Claim
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1. A method of producing shaped articles, comprising the steps of:

  • (a) adding a quantity of water to a raw fiber product to form a mass of the raw fiber product moistened with said quantity of water;

    (b) combining said mass of said raw fiber product moistened with said quantity of water with a binder hydratable with water of hydration to cause setting of said binder, thereby forming a mixture of said binder with said mass, said quantity of water in said mass providing at least part of the total water required to hydrate said binder;

    (c) milling said mixture to comminute said mass into fibers and blend said fibers with said binder in said mixture;

    (d) thereafter shaping said mixture under pressure to a shape of an article; and

    (e) allowing said article to set by reaction of said binder at least in part with water from said mass.

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