Patents Assigned to Projiso
  • Process and apparatus for the preparation of a mix composed of mineral fibers and inorganic hydraulic binders
    Patent number: 4615489
    Abstract: Process and apparatus for the preparation of a mix composed of mineral fibers and of inorganic hydraulic binders in particle or liquid form. A bale of fibers is continuously defibrated. The fibers are continuously conveyed to the input end of a screw type conveyor-mixer. Binders are continuously added to the fibers during their travel. The resulting mix is discharged at the outlet end of the screw type conveyor-mixer.
    Type: Grant
    Filed: December 17, 1984
    Date of Patent: October 7, 1986
    Assignee: Projiso
    Inventor: Ange Lafata