| 摘要 |
The invention relates to a device which unconfines a charge containing an explosive, of the type comprising a sealing plug and a means of fastening this plug, characterised in that the means of fastening the plug comprises a deformable element made of shape-memory material which can successively occupy a blocking position at ambient temperature and an unblocking position when the ambient temperature is greater than a predefined critical value. According to a preferred embodiment, the sealing plug 3 includes, at its periphery, a deformable clamping ring 1, a guide disc 6 is fixed on to the upper part of the plug 3 and the plug 3 and the guide disc 6 are held by a clamping device 2. An O-ring 4 is used to reinforce the seal. <IMAGE>
|
