Patent ID: 7727451
Filing Date: 2010-06-01
Classification: B01D,B01J,B28B,C04B,F01N,Y02T

Abstract:
1. A sealing method of a honeycomb molded body comprising: filling a plug material paste into either a first end or a second end of each of a plurality of cells of a honeycomb molded body which has a first end portion and a second end portion in a longitudinal direction of the honeycomb molded body, the plurality of cells each extending along the longitudinal direction from said first end at the first end portion to said second end at the second end portion; drying said plug material paste; supporting the honeycomb molded body having dried plug material paste; providing at least one flat plate movable along the longitudinal direction and having a flat surface substantially perpendicular to the longitudinal direction to face either one of the first and second end portions; moving the at least one flat plate along the longitudinal direction to directly contact with the either one of the first and second end portions so as to flatten the first end portion and the second end portion; and rotating said at least one flat plate in a plane substantially perpendicular to the longitudinal direction keeping the flat surface of the at least one flat plate in direct contact with the either one of the first and second end portions.