A method and apparatus for continuously producing molded member, especially sheets, from a mixture of gypsum and fibrous material. In a first mixing stage, measured-out quantities of gypsum and fibrous material are thoroughly mixed together, with the dry mixture being weighed and subsequently moistened...http://www.google.fr/patents/US4942003?utm_source=gb-gplus-shareBrevet US4942003 - Method for continuously producing molded members from a mixture of gypsum and fibrous material
Method for continuously producing molded members from a mixture of gypsum ...
