Web, unwinding device for web and control method of unwinding device for web

摘要

The present invention provides a web, a web unwinding device, and a web unwinding device control method in which no tail occurs when the old web and the new web are connected. SOLUTION: A new web W2 is fully wound on a second winding core 2 into a roll shape, and the width direction of the tip portion of the new web W2 on the outer peripheral surface of the wound new web W2. A first double-sided adhesive tape 64 is formed along the widthwise direction, and a second double-sided adhesive tape 66 is formed in the width direction at a position away from the first double-sided adhesive tape 64 at a predetermined distance at the tip. [Selected figure] Figure 3