Reinforcing ring construction for containers

Details Reinforcing ring construction for containers Reinforcing ring construction for containers

B - Operations, Transporting

65

D

190/78, 26/83

B65D 3/30 (2006.01) B21D 39/03 (2006.01)

Patent

CA 1276573

A B S T R A C T In a metal reinforcing ring applied to the top edge of a paperboard container, an improved construction which avoids presenting any sharp edges by curling the lower edge of the reinforcing ring under a shoulder on the inside of the container such that the lower edge of the ring is butted against the inside container surface at an unexposed location. Special crimping rolls apply the reinforcing ring to the top edge of the container.

513923

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