To provide a cylinder unsealing device capable of dispensing with special equipment for storage without having any restriction on handling.
A cylinder unsealing device includes a cylinder for storing a gas, a sealing plate for sealing an opening of the cylinder, a cutter for drilling a hole through the sealing plate, a spring compressed and arranged at an end of the cutter, a fixing member coming into contact with the cutter and fixing the cutter at a location separate from the sealing plate, and a holding member for holding the fixing member. The fixing member is removed from the cutter by changing a shape of the holding member, and the cylinder is unsealed by piercing the cutter to the sealing plate by means of a stress of the compressed spring.
JPH1095392A | 1998-04-14 | |||
JP2002193170A | 2002-07-10 | |||
JP2004008750A | 2004-01-15 | |||
JPH11223300A | 1999-08-17 | |||
JPH1095392A | 1998-04-14 | |||
JP2002193170A | 2002-07-10 | |||
JP2004008750A | 2004-01-15 |
Naoki Shimosaka