CLEANING METHOD AND CLEANING DEVICE FOR SEALING MASK, AND PRODUCTION METHOD FOR HONEYCOMB STRUCTURE

摘要

A sealing mask has a pair of principal surfaces opposed to each other and a plurality of through-holes opening in the pair of principal surfaces and is used for sealing predetermined cells out of a plurality of cells in a honeycomb structure. A cleaning device for the sealing mask is provided with: a rotator configured to support the sealing mask and rotate the sealing mask around a central axis L1 intersecting with the pair of principal surfaces; and a sprayer having a nozzle for spraying a cleaning liquid on one of the principal surfaces.