| 摘要 |
The invention relates to a device for fixation of valve (3) to a container (1); in this device, an annular collar (4) covers the flange (33) of the valve and assures the clamping of the valve gasket (7) by locking to the bead (23) of the container. A ring (5) surrounds the collar (4) and is screwed onto it, to prevent unlocking of the collar (4) under the influence of the internal pressure of the container.
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