FIELD: packing industry.
SUBSTANCE: tight container includes a body, a lock, a cover of cup shape with a sealing gasket in the form of a ring arranged in a slot of a cover formed by a generatrix and external flanging. On the generatrix of the cover under the sealing gasket there are additional six-nine equidistant ledges with size of (20-40)% from the sealing gasket width.
EFFECT: invention provides for reliable sealing of containers, prevents fallout and twisting of a sealing gasket from a cover and simplifies process of sealing gasket removal and replacement.
2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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|
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RU2295486C1 |
