| 摘要 |
<p>PROBLEM TO BE SOLVED: To reduce manufacturing cost, simplify assembling operation, and remarkably reduce acoustic strength of noise even in a chemically offensive high temperature gas. SOLUTION: An inside covering hose 9 is formed of metal wire rod fabric, glass fiber fabric, synthetic fabric, natural fabric, ceramic fabric, non-woven fabric, or a thin soft sheet formed of polyurethane, polyamide, polytetrafluoroethylene, or a composite of these materials according to the mechanical load, chemical load or thermal load received by a gas to be guided. The surface of the inside covering hose 9 is bonded to metal elements 19, 20 having large masses, a material insert body is manufactured by accumulating a mineral fiber 12 and/or a metal fiber and/or an entropy elastic material chip and/or chip, and a gas guide element 1 has a winding of at least 360 deg. between a gas inlet and a gas outlet.</p> |
