To provide a device to supply a slip sheet from a roll of sheet in compliance with the size of the glass.

The slip sheet supply device to supply a slip sheet to between plate glass products is composed of a slip sheet draw-out device to draw out a slip sheet from a roll of sheet, a slip sheet cutting device to cut the drawn-out sheet, and a slip sheet inserting device to insert the cut sheet between the glass products, wherein the slip sheet draw-out device is composed at least of two supporting rolls, a roll driving motor, and a tension roll, in which the operation takes place in such a manner that the roll of sheet is placed on the two supporting rolls, the supporting rolls are rotated by the motor for drawing out the sheet from the roll of sheet, and that the sheet drawn out of the roll of sheet runs round one supporting roll to be drawn out toward the tension roll.