| 摘要 |
A double side coating device which can maintain a thickness of a coated film in constant has a first coating head (1) that coats a first surface of a web material (W) with a coating material (P), two or more vacuum conveyors (4) that are placed downstream of the first coating head (1) in a conveying direction for the web material (W) and have a endless belt (7) formed with a number of through holes (9) and a vacuum chamber (8) sucking the web material (W) through the through holes (9) so as to suck uncoated portions of the first surface of the web material (W), and a second coating head (3) that is placed opposite to the vacuum conveyors (4) and coats a second surface of the web material (W) with a coating material (P).
|
