| 摘要 |
Pressing gaseous vessel is filled with block of matter (2), which is impregnated by solvent, in which the explosive gas is dissolved. The safety device against backfire, created by recoil disc (8), arranged under the valve opening (3), deviates the tongue of flame, which at the backfire enters inside in direction to internal surface of steel cover (1) and in direction to valve (5) and leads the explosive energy out. By this is prevented the explosion of pressing gas bottle. The pin (10) passing through the center of recoil disc (8), whose diameter is not higher than diameter of opening (3) on valve (5) in neck of bottle, serves as assembling element and at the sometime for fastening of recoil disc (8) in block of mass (2).
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