| 摘要 |
<P>PROBLEM TO BE SOLVED: To use heat generated from hot water in a bathtub for heating antifreeze liquid in a pipe wound round the outer wall of the bathtub to be used for floor heating and snow melting on the roof and passage. <P>SOLUTION: In this device, the pipe 3 is inserted in a stopper 1 with a hole to be wound round the outer wall of the bathtub, and the pipe 3 and the outer wall of the bathtub are covered with a heat insulation material 5. <P>COPYRIGHT: (C)2004,JPO&NCIPI |
