| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a simple and small pipe heater improved in thermal efficiency. <P>SOLUTION: The pipe heater made of silicon carbide sintered compact is composed of a plurality of hollow cylinder-shaped heaters made of silicon carbide sintered compact and a plurality of hollow coupling members coupling end of the heaters to each other. <P>COPYRIGHT: (C)2007,JPO&INPIT |
