| 摘要 |
<P>PROBLEM TO BE SOLVED: To decrease the probability of damage caused by receiving strong force, and also to decrease the probability of losing a gas extraction valve. <P>SOLUTION: A valve device 12 includes a male screw 40 mounted on a gas cylinder and a gas passing part 20. The gas passing part 20 includes an internal channel. The gas flowing out of the gas cylinder flows in the internal channel. The valve device 12 further includes a gas extraction valve 22 for extracting the gas, and a gas extraction valve connection part 24. The gas extraction valve connection part 24 connects the gas passing part 20 to the gas extraction valve 22 in such a manner that the gas extraction valve 22 can be stored in at least a predetermined space and that the gas extraction valve 22 can expand out of the predetermined space. <P>COPYRIGHT: (C)2013,JPO&INPIT |
