Method and apparatus for shaping sheet material

Details Method and apparatus for shaping sheet material Method and apparatus for shaping sheet material

C - Chemistry, Metallurgy

03

B

49/7

C03B 23/023 (2006.01) C03B 23/025 (2006.01) C03B 23/033 (2006.01) C03B 27/044 (2006.01)

Patent

CA 1145939

Abstract A method and apparatus are described for bending sheets in the plastic state, such as sheets of glass at their softening temperature, in two directions. The apparatus comprises a first bed of arcuate rods which can be positioned to impart a transverse curvature to the sheet and a second bed of arcuate rods which can be positioned to impart a longitudinal curvature to the sheet. Advantageously the bending is performed in a heated enclosure at a temperature at least equal to that at which the sheet is later tempered.

340693

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