RESERVOIR IN FORM OF TIN MADE OF SHEET METAL WITH COVER MADE OF SHEET METAL Russian patent published in 2012 - IPC B65D55/08 B65D45/30 B65D45/32 

FIELD: transport, package.

SUBSTANCE: invention relates to reservoir in the form of tin made of sheet metal with removable cover made of sheet metal. The cover is protected against accidental opening by resilient plastic safety ring (24) which is made as annularly closed profile containing substantially U-shaped portion forming opened from bottom ring channel, which envelopes peripheral edge of cover and opened edge of tin and protects the cover, and using ring shoulder (29) engages under radial projecting portion (12) of opening edge portion (6) of tin. The safety ring (24) contains weakened spot (34) which can be torn to open reservoir under action of tearing forces exceeding specified maximum load for reservoir handling. The safety ring contains spot (37) of engagement located next to weakened spot for tearing tool (38) in order to provide by rocking motion tearing of safety ring on weakened spot which is essentially invisible. Engagement spot (37) for tearing tool (38) is formed by projection of the safety ring (24) which projection is located on outer side of the mentioned ring under shoulder for engagement of the mentioned ring. The mentioned projection passes near lower skirt edge and contains hole which is opened at least down.

EFFECT: invention permits to provide quick opening and closing tin made of sheet metal with cover made of sheet metal using simple tool.

6 cl, 4 dwg