APPARATUS FOR MANUFACTURING GLASS RIBBON BY FLOAT PROCESS

摘要

An apparatus for manufacturing glass ribbon by float process. The apparatus comprises a molten metal bath, at least two width-controlling mechanisms provided on both sides of the bath, and a delivery roll provided on exit side of the bath. Each width-controlling mechanism has a rotary member having a plurality of projections capable of freely rotating with the advance of the glass ribbon. And an angle of less than 45 DEG is formed by the plain containing the rotary member with respect to the direction of advance of the glass ribbon.