Patent ID: 8882238

Claim:
A coating device, using an inkjet method to jet droplets of a coating solution onto a long-roll supporting body, which body is continuously conveyed, and forming a coated film thereon, the coating device comprising: a plurality of inkjet heads which are arranged to cover an area to be coated in a width direction of the long-roll supporting body; a pressure adjusting mechanism which is configured to adjust back-pressure of the coating solution in the plurality of inkjet heads; a plurality of solution feeding pipes which supply the coating solution from the pressure adjusting mechanism to the plurality of the inkjet heads; and a storage tank which is configured to store the coating solution, wherein in the plurality of solution feeding pipes, connected to the plurality of inkjet heads, a feeding volume of coating solution in each pipe is adjusted to be equal, and wherein the plurality of inkjet heads are arranged at different heights compared to the pressure adjusting mechanism, in each line of a staggered arrangement in the width direction of the long-roll supporting body, and the lengths of the solution feeding pipes are configured to differ each other in each line of the inkjet heads.