CLEANING METHOD AND CLEANING DEVICE FOR MASK FOR SEALING HONEYCOMB STRUCTURE, AND METHOD FOR MANUFACTURING HONEYCOMB FILTER

摘要

A cleaning method in one embodiment of the present invention, said method being a method for cleaning a mask (1) that has a plurality of through-holes (5) running through the thickness direction (D1) thereof from a top surface (1a) to a bottom surface (1b), is provided with the following steps: a step wherein the mask (1) is conveyed in a conveyance direction (D2) perpendicular to the thickness direction (D1) of the mask; and a step wherein a cleaning solution (24) is sprayed towards the top surface (1a) and bottom surface (1b) of the conveyed mask (1), from two-fluid spray nozzles (26a, 26b), in the axial direction of the through-holes (5). The axis (A3) along which the cleaning solution (24) is sprayed towards the top surface (1a) and the axis (A4) along which the cleaning solution (24) is sprayed towards the bottom surface (1b) are separated from each other in the conveyance direction (D2).