Holding sealing material, method for winding the holding sealing material around object and exhaust gas purifying apparatus

摘要

A holding sealing material includes laminated mats. One or more fixed parts partially combine the mats. Each of the mats has a basic rectangular shape. Each of the mats has a recess on one of shorter sides of the rectangular shape and a projection on another shorter side and is designed to be wound around an object to be wound so that the projection and the recess are fitted to each other. The mats have respective longitudinal lengths that increase as a distance from the object to each of the mats increases. A mat that is placed at a closest position to the object has a shortest longitudinal length. An area of the projection of the mat that is placed at a closest position to the object is smaller than an area of the projection of a mat that is placed at a farthest position from the object.

主权项

1. A holding sealing material comprising:
a plurality of laminated mats each including inorganic fibers; and one or more fixed parts partially combining said mats, wherein each of said mats has a basic rectangular shape that has longer sides along a longitudinal direction of said mats and shorter sides substantially perpendicular to the longer sides in a plan view, each of said mats has a recess on one of the shorter sides of said rectangular shape, and a projection on another shorter side, each of said mats is designed to be wound around an object to be wound so that the projection and the recess are fitted to each other, said mats have respective longitudinal lengths that increase as a distance from said object to each of said mats increases, a mat that is placed at a closest position to said object having a shortest longitudinal length, and an area of the projection of the mat that is placed at the closest position to said object is smaller than an area of the projection of a mat that is placed at a farthest position from said object.