FIELD: transport.
SUBSTANCE: proposed cap consists of in fact a cylindrical cap with inner thread having lateral wall with its lower edge furnished with fragile webs jointing said lower edge with safety ring top edge. Note here that the latter is provided with one or several teeth made integral with said ring and extending axially upward toward cap lateral wall. Note here that top section of every tooth is located in recess of mating shape made on cap lateral wall, on its lower edge. Every recess has bottom wall running in cap axial direction whereto thrusts relevant teeth to prevent cap and safety ring radial displacement that may cause rupture of one or several webs.
EFFECT: ruling out spontaneous rupture of webs.
12 cl, 6 dwg
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RU2258647C2 |
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RU2158608C2 |
