Importance

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Abstract

In a coating apparatus including: an anilox roller which is rotatably supported and in which multiple recessed cells are formed on an outer peripheral surface; and a chamber device which is in contact with the outer peripheral surface of the anilox roller and in which varnish to be coated on a sheet is delivered from a delivery path of a chamber head into a chamber, the chamber device configured to supply the delivered varnish from the chamber to the cells of the anilox roller and discharge the varnish in the chamber from a discharge hole of a chamber body to the outside, the chamber device has pressure fluctuation reducing means, in an attachment hole of the chamber body, for reducing a pressure fluctuation in the chamber of the chamber head in such a way that the pressure in the chamber is maintained constant.

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First Claim