COVER WITH FOAMED SECTION AND METHOD OF FORMING SUCH COVER Russian patent published in 2020 - IPC B65D41/04

Abstract RU 2728884 C2

FIELD: packaging industry.

SUBSTANCE: cover comprises top plate and side wall extending downwards from periphery of top plate. Cover includes a sealing element extending downwards from the upper plate within the side wall. Upper plate comprises a foamed area defined by a boundary defined by the radial extension of the sealing element. Sealing element is substantially non-foamed.

EFFECT: invention provides high strength.

17 cl, 20 dwg

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RU 2 728 884 C2

Authors

Torn Nikola

Nabe Bryuno

Verit Silven

Dates

2020-07-31—Published

2017-04-20—Filed