| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an exhaust gas purification device capable of thermally insulating a cone portion in the exhaust gas purification device with a simple constitution.SOLUTION: In an exhaust gas purification device including an exhaust gas treatment body 120, a cylindrical casing 130, a holding seal material 110 wound around the exhaust gas treatment body 120 and disposed between the exhaust gas treatment body 120 and the casing 130, a first cone member 140, a second cone member 150, and a heat insulating material 10 covering an outer peripheral face of the casing 130 and an outer peripheral face of the first cone member 140, the heat insulating material 10 is composed of a mat including inorganic fiber, and includes a casing heat insulating portion 20 wound on an outer peripheral face of the casing 130, and a first cone heat insulating portion 30 covering an outer peripheral face of the first cone member 140, and side faces of the casing heat insulating portion 20 and the first cone heat insulating portion 30 are at least partially continued and connected.</p> |
