| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a header which reduces the cost without impairing the sealing performance between a branch pipe and a branch pipe connecting part, and confirms the sealing performance and the antislip-off performance of the header before the completion of the header. <P>SOLUTION: This header is manufactured by assembling a cassette 13 formed by unifying a lock ring 16 and first and second O-rings 17, 18 by a metallic or super engineering ring plastic case 19, in a branch pipe connecting part 12 of a header body 11 made of a synthetic resin. <P>COPYRIGHT: (C)2003,JPO |
