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

B - Operations, Transporting

29

D

18/955, 154/8.17

B29D 23/00 (2006.01) B28B 1/52 (2006.01)

Patent

CA 1096762

ABSTRACT OF THE DISCLOSURE This invention relates to a method and apparatus for molding articles, such as one piece pipe insulation, from fibrous material, in part- icular, fibrous insulation material containing a hardenable binder material. The fibrous insulation is formed into a hollow cylindrical shape and advanced, by means of a rotating helix engaging its interior surface, through a cooling coil to keep the material in its uncured state. The material is advanced into a heating chamber where first the exterior surface is cured and then the interior. After cooling, material is reopened along the seam.

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