Patent ID: 7527691

Claim:
A coating apparatus for coating with coating liquid a surface of a strip-shaped body carried in a fixed direction, the apparatus comprising: a primary bar extending along a width direction of a carrying plane, which is a carrying path of the strip-shaped body; a secondary bar extending in parallel with the primary bar and disposed at a downstream side of the primary bar; and a between-bars liquid reservoir disposed between the primary bar and the secondary bar for storing the coating liquid at a time of coating of the coating liquid, wherein coating conditions at the primary bar, which is supplied with the coating liquid by a coating liquid supply flow path, and the secondary bar are set so that the following condition is met, W 2 <W 1 <1.3 ×W 2 where W 1 is a coating amount of the coating liquid that is deposited on the strip-shaped body at the primary bar and W 2 is a coating amount of the coating liquid that is deposited on the strip-shaped body after the strip-shaped body has passed the secondary bar, wherein the coating apparatus further comprises a backup member supporting the primary bar and the secondary bar from below, wherein the between-bars liquid reservoir is formed as a space defined by the primary bar, the secondary bar, and the backup member, wherein the coating apparatus further comprises an air-liquid interface forming portion, which is provided at the between-bars liquid reservoir, for forming an air-liquid interface at a time of coating, wherein the air-liquid interface that is formed by the air-liquid interface forming portion is an interface between the coating liquid and air, wherein the air-liquid interface forming portion includes a coating liquid sucking out portion for sucking out the coating liquid stored in the between-bars liquid reservoir.