TIGHT CLOSING PROCESS OR DEVICE
Patent
·
OSTI ID:4838003
A device for tightly closing a container provided with a tubular element consists of a plug obturating the tubular element by a flexible disc. The disc is pressed against an annular rib of the tubular element by the plug, the plug being provided with a similar annular rib of a smaller diameter than the former rib, in order to transmit the pressure force to the disc. For the closing operation, the plug, the disc, and the rib on the tubular element are brought into contact, and the plug is fixed in this position. A push rod, sliding in an axial hole in the plug, is then pressed against the center of the disc, so that the latter is deformed and breaks contact with the plug rib. The position of the plug is then adjusted: it is brought into contact again with the outer surface of the disc. Finally the push-rod is retracted, so that the disc may come back part way towards its original position. Suitably the plug co-operates with the tubular element by a screw thread. (NPO)
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-15-032281
- OSTI ID:
- 4838003
- Report Number(s):
- FR 1218877
- Country of Publication:
- France
- Language:
- English
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