HOLDING SEAL MATERIAL METHOD FOR MANUFACTURING HOLDING SEAL MATERIAL EXHAUST GAS PURIFYING APPARATUS AND METHOD FOR MANUFACTURING EXHAUST GAS PURIFYING APPARATUS

摘要

The holding sealer protrudes from the end portion of the metal casing when the holding sealer is displaced from the exhaust gas treating body when the exhaust gas treating body wound with the holding sealer is accommodated in the metal casing by press fitting, A holding sealer capable of preventing a holding sealer from being displaced from an exhaust gas treating body when introducing exhaust gas, and an exhaust gas processing device using the holding sealer. A first main surface and a second major surface opposite to the first major surface, and a second main surface opposite to the first major surface, a second major surface opposite to the first major surface, a first major surface and a second major surface opposite to the first major surface, A holding seal material comprising a substantially rectangular mat in a plane including inorganic fibers having side faces, wherein a film is adhered to the first main surface, the second major surface, the first long side, and the second long side And an exposed portion which is an area where the film is not adhered is provided on the second main surface and the exposed portion is formed in a strip shape connecting the first end side and the second end side, Wherein the shortest distance from the side surface to the exposed portion is longer than the shortest distance from the side of the second longest portion to the exposed portion.