| 摘要 |
PROBLEM TO BE SOLVED: To provide a fluid jetting device in which the sealability between a cylinder and a sharp body is largely improved. SOLUTION: This gas jetting device 10 for jetting a high-pressure gas from the cylinder 1 having an opening part 3 sealed by a cover 2 and filled with the gas comprises a holder member 11 to which the opening part 3 of the cylinder 1 is fitted; and the sharp body 13 for forming a hole in the cover 2 of the cylinder 1 fitted to the holder member 11. The sharp body 13 is so installed as to allow the movement of the holder member 11 in the surface direction of the hole. COPYRIGHT: (C)2008,JPO&INPIT
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