PREFORM COATING DEVICE, METHOD FOR MANUFACTURING PREFORM, AND METHOD FOR MANUFACTURING PLASTIC BOTTLE

摘要

The present invention provides a preform coating device (10) provided with a cylindrical transfer roller (11) for rotating about a center shaft (111), and an application device for applying a coating liquid in a predetermined thickness to an external peripheral face of the transfer roller (11), the external peripheral face of the transfer roller (11) rotating so as to touch an external peripheral face of a preform (1), and the coating liquid thereby being transferred from the external peripheral face of the transfer roller (11) to the external peripheral face of the preform (1).