Patent ID: 8733275

Claim:
An application apparatus for applying a coating liquid on an upper surface of a running web, the application apparatus comprising: an application bar positioned to form a bead of the coating liquid at a bead forming area existing in the upstream neighborhood of a contact portion between the application bar and the web, the center portion of the bead having a bulge that becomes smaller at end portions of the bead, a coating liquid supply provided to supply the coating liquid to the upper surface of the web at a position upstream from a position of the application bar, wherein the coating liquid supply has a smooth portion on which the coating liquid flows down in a state that an upper side of the coating liquid is open to the outside, wherein the coating liquid supply is provided at a position that allows the coating liquid to be supplied directly to the bead forming area existing in the upstream neighborhood of the contact portion between the application bar and the web, wherein an edge of the smooth portion that is faced toward the application bar has an arc-like recessed shape having both end portions thereof being extended farther downward than the center portion thereof in the width direction of the web, wherein the edge of the smooth portion is positioned to be inserted into the bead forming at the bead forming area over nearly an entire width of the edge, and wherein the edge of the smooth portion having the arc-like recessed shape, when inserted into the bead, is configured to shift the position of streaks in the coating liquid toward an end of a coated portion of the running web, thus widening the coated portion of the web that can be used.