| 摘要 |
PROBLEM TO BE SOLVED: To facilitate the mounting of other gas pipes to a gas pipe, and moreover, to prevent a large amount of gases from leaking during the mounting work. SOLUTION: One end parts of first/second clamping members 1, 2 each other are connected so as to be turnable via a connection shaft 103. A fixing means 3, which fixes the first/second clamping members 1, 2 in a state of abutting each other, is provided between the other end parts of the first/second clamping members 1, 2. A through-hole 5, which penetrates the first/second clamping members 1, 2 in a direction parallel with the connection shaft 103, is formed between the abutting faces 13, 23 where the first/second clamping members 1, 2 are abutted each other. A guide hole 7 crossing the through-hole 5 is provided inside the first/second clamping members 1, 2. A shutter 4 to open/close the through-hole 5 is provided movably to the guide hole 7. A pair of seal members are provided on the inner peripheral face at one end part of the through-hole 5 to be divided into two parts by the shutter 4. Thin plate parts 106b, 107b as the inner peripheral part of a pair of the seal members are protruded radially inward from the inner peripheral face of the through-hole 5. COPYRIGHT: (C)2004,JPO
|
