| 摘要 |
PURPOSE:To prevent a copying paper from winding itself round a squeezing roller by controlling a revolving speed of the squeezing roller extending from the time when a rotation of the squeezing roller is started to the time when the tip of the copying paper reaches the squeezing roller. CONSTITUTION:When an adhesive accumulated matter Q' is generated in a nip area of a rubber roller 1 and a hard roller 2, a number of rotation N of a squeezing roller 3 of the time when the tip of a copying paper (p) has reached becomes n+alpha/4<N<=n+(3/2)pi. As a result, the accumulated matter Q' is at a position which does not meet with the tip of a copying paper P, and winding is not caused. Generally speaking, although it depends upon a kind of a copying paper, unless the adhesive accumulated matter adheres to a part within 20- 30mm. from the tip, the copying paper can be carried without winding itself round the roller by stiffness of paper of itself. Provided that (n) and alpha denote an integer, and an angle range occupied by the adhesive accumulated matter, seen from the center of the rubber roller, respectively. |
