FIELD: transport, package.
SUBSTANCE: proposed capping device is arranged between container top edge and cover edge. Cover is to be pressed into container top edge to seal container. Cover and container are made from thin sheet material. Note here that metal protrudes outward on container top edge with curvature radius of 180 degrees. Peripheral groove run between cover edge and main surface of cover. Cover edge extends beyond main cover surface axial position along main axis because of outer flange. Outer flange top part protrudes outward with curvature radius greater than that of container top edge to form rolled edge accommodating annular packing material that fills said rolled edge to run downward so that: free edge of rolled edge terminates at radial distance from outer flange. Note here that said distance is selected so that, in sealing, container top edge runs between outer flange and sealing material to be kept by free end inside rolled edge. Invention covers also container with cover.
EFFECT: new capping design for containers intended for dangerous fluids.
13 cl, 3 dwg
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