Abstract: In a glass-ribbon conveyance assisting device which is applied to a glass-ribbon conveyance device configured to convey a glass ribbon on a plurality of rotating glass-conveyance rolls, the glass-ribbon conveyance assisting device includes a rotary drive section, a plurality of rolls configured to be rotated by the rotary drive section, an annular belt configured to rotate while running with flexion under a state where the rolls have been inserted into the belt, and a wheel configured to press the glass ribbon which is conveyed on the belt. The glass ribbon is conveyed on the belt by a drive of the belt under a state where width-directional both end portions of the glass ribbon are sandwiched between the belt and the wheel.

Abstract: An apparatus for providing a cutting line on a glass sheet, in which the cutting line for bend-cutting the glass sheet is provided on the glass sheet conveyed on a carrying roller, is provided with: a cutter configured to provide the cutting line on the glass sheet; a ball slide device configured to freely move the cutter up and down in accordance with an up-down movement of the conveyed glass sheet, and to absorb an excessive pressing force of the cutter onto a glass sheet surface so as to keep the pressing force constant; a spring configured to apply an appropriate cutter pressure to the glass sheet surface; an arm configured to support the ball slide device, the spring, and the cutter; and a pressing device configured to press the arm toward the glass sheet surface.

Abstract: In a glass-ribbon conveyance assisting device which is applied to a glass-ribbon conveyance device configured to convey a glass ribbon on a plurality of rotating glass-conveyance rolls, the glass-ribbon conveyance assisting device includes a rotary drive section, a plurality of rolls configured to be rotated by the rotary drive section, an annular belt configured to rotate while running with flexion under a state where the rolls have been inserted into the belt, and a wheel configured to press the glass ribbon which is conveyed on the belt. The glass ribbon is conveyed on the belt by a drive of the belt under a state where width-directional both end portions of the glass ribbon are sandwiched between the belt and the wheel.