Coating apparatus and method for coating using the same

摘要

A coating apparatus to apply a coating solution onto a base material, including a first body portion, a second body portion spaced-apart by a gap from the first body portion, a coating solution inlet arranged in one region of the second body portion, a coating solution passage connecting the coating solution inlet to said gap, a coating solution outlet arranged at one end of the gap to discharge the coating solution supplied to the coating solution inlet and a gap adjusting arrangement including a plurality of gap adjusting portions arranged on the first body portion to adjust a size of the coating solution outlet, the plurality of gap adjusting portions being arranged in a width direction of the base material.

主权项

1. A coating apparatus to apply a coating solution onto a base material, comprising:
a first body portion; a second body portion spaced-apart by a gap from the first body portion; a coating solution inlet arranged in one region of the second body portion; a coating solution passage connecting the coating solution inlet to said gap; a coating solution outlet arranged at one end of the gap to discharge the coating solution supplied to the coating solution inlet; a plurality of air pressure cylinders arranged on the first body portion and in a width direction of the base material, each of the air pressure cylinders including a moving member, each of the air pressure cylinders to adjust a size of the coating solution outlet by adjusting a width of the gap in a width direction of the base material by forward and backward movements of the moving member; an air pressure controller and a switching valve to control the forward and the backward movements of the moving member of one of the air pressure cylinders.