FIELD: food industry; stopping of bottles. SUBSTANCE: thermoplastic stopper has body with concentric outer and inner tubular members with common bottom, ring projections on inner surface of outer tubular member and on outer surface of inner tubular member. Outer surface of outer tubular member is made conical, tapering towards the bottom. Stopper is made of low and high pressure polyethylene. EFFECT: enhanced reliability of sealing. 2 cl, 3 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| THERMOPLASTIC STOPPER FOR BOTTLE | 1996 |
|
RU2107646C1 |
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|
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| COIN ACCUMULATING, STORAGE AND DISPENSING DEVICE | 1998 |
|
RU2138975C1 |
| APPARATUS FOR OPENING OR DILATING CAVITY OF BODY | 1995 |
|
RU2096018C1 |
