Method and apparatus for curving sheets of glass

Details Method and apparatus for curving sheets of glass Method and apparatus for curving sheets of glass

C - Chemistry, Metallurgy

03

B

49/7

C03B 23/02 (2006.01) C03B 23/025 (2006.01)

Patent

CA 1071404

METHOD AND APPARATUS FOR CURVING SHEETS OF GLASS ABSTRACT OF THE DISCLOSURE The sheet to be curved, such as glass at a softening temperature, is advanced on a fixed curved bed formed by a series of curved rods having different angles of inclination to form an ascending convex bed with an increasing curvature pro- file. The sheet is thus gradually raised and simultaneously curved by sagging of the edges. The curved rods have aligned end sections mounted in the same horizontal plane and the in- clinations progressively increase. The bed is followed by a bed of constant curvature profile formed by curved rods having the same inclination. Means are provided for independently ad- justing the inclination of each rod. Particular ranges of spacing and rate of advance are given.

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