FIELD: transport, package.
SUBSTANCE: invention relates to bottle made of glass billet. The bottle contains substantially cylindrical body and neck. On the neck below its edge there are male thread and a ring. Outer diameter of the ring is substantially equal to diameter of thread crests, and at the center of the ring there is groove.
EFFECT: neck execution provides accuracy of manufacturing and lowers bottle prime cost.
2 dwg
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| CLOSURE DEVICE | 2023 |
|
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