Method and apparatus for bending a glass sheet

摘要

The present invention relates to a method and an apparatus for bending a glass sheet, and has an object of achieving high forming accuracy of a glass sheet along a perpendicular direction perpendicular to a conveying direction of the glass sheet, in particular, to obtain high forming accuracy both along the conveying direction and the perpendicular direction. An apparatus 10 for bending a glass sheet for bending a heated glass sheet G while the glass sheet G is conveyed in a conveying direction X by a roller conveyer 18, 20 comprising a plurality of conveying rollers; the apparatus 10 comprising a plurality of straight rollers that are arranged upper and lower positions across a conveying surface for the glass sheet G and not curved on the conveying surface, and a plurality of curving rollers 36 arranged upper and lower positions across the conveying surface for the glass sheet G on adjacently downstream side of the straight rollers 34 and curvable along a perpendicular direction Y in the conveying surface so as to bend the glass sheet G along the perpendicular direction Y.