| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a passage disconnecting device for disconnecting a gas passage at the time of abnormal overheat which can be easily installed into an existing gas passage, and which reduces pressure loss of gas after installation. <P>SOLUTION: This passage disconnecting device is composed of a thermal expansion member 10 inserted into a tube member 1 composing the gas passage to be expanded by heat over a set temperature to disconnect the gas passage, and a pressure-welding member 3 to pressure-weld the thermal expansion member 10 with an inner wall of the tube member 1. <P>COPYRIGHT: (C)2004,JPO |
