A bottom for a package with internal overpressure

Details A bottom for a package with internal overpressure A bottom for a package with internal overpressure

B - Operations, Transporting

65

D

B65D 8/04 (2006.01)

Patent

CA 2234634

A three part package of polymer coated aluminium for fill-goods under pressure includes a for example frusto-conical barrel (1), a top (2) and a bottom (3). The bottom includes a central, circular dome (4) facing inwardly in the package, outside thereof a circular portion (6), which is inwardly curved and extends towards the barrel, and a rim (8), which extends downwardly from the curved portion and is intended for sealing to the barrel.

Cette invention se rapporte à un emballage en trois parties, en aluminium à revêtement polymère, pour articles remplis sous pression, cette emballage comprenant par exemple un cylindre tronconique (1), une partie supérieure (2) et un fond (3). Ce fond comporte un dôme circulaire central (4) tourné vers l'intérieur de l'emballage, une partie circulaire (6) qui est située à l'extérieur de ce dôme et qui est incurvée vers l'intérieur et s'étend en direction du cylindre, ainsi qu'une bordure (8), qui s'étend vers le bas à partir de cette partie incurvée et qui sert à fermer hermétiquement ledit cylindre.

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