Method and apparatus for molding articles from fibrous material

Details Method and apparatus for molding articles from fibrous material Method and apparatus for molding articles from fibrous material

1976-02-27

1978-09-19

White, Robert F.

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

With reshaping or surface embossing of formed article

264165, 264236, 264137, B29D 2300

Patent

active

041154983

ABSTRACT:
Method of continuously molding articles from a fibrous material containing a hardenable bonding material wherein a quantity of fibrous material is supplied to a forming member that engages the surface of the fibrous material and shapes the material into the desired cross-sectional shape. The exterior surface of the shaped fibrous material is then heated so that the bonding material on the exterior surface of the fibrous material cures to form a hard, tough skin on the exterior surface of the fibrous material. Then, additional heat is supplied to the fibrous material to cure the remaining uncured bonding material on the fibrous material so the fibrous material will be held in the desired shape by the cured bonding material.

REFERENCES:
patent: 3093532 (1963-06-01), Miller et al.
patent: 3150025 (1964-09-01), Slayter et al.
patent: 3377220 (1968-04-01), Berger et al.
patent: 3518157 (1970-06-01), Terry et al.
patent: 3535178 (1970-10-01), Parlin et al.
patent: 3549738 (1970-12-01), Troyer
patent: 4029461 (1977-06-01), Lacon

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