Barrel rings

Details Barrel rings Barrel rings

E - Fixed Constructions

06

B

160/9

E06B 9/171 (2006.01)

Patent

CA 1233405

ABSTRACT A barrel ring for use in rolling closures comprising at least two ring sections. One of the ring sections defines a part-circular outer surface. Another of the ring sections defines a part-spiral outer surface. The ring section are joined together end-to-end to form a barrel ring with the part-spiral surface, at one end, merging smoothly into the part-circular surface. A method for producing the barrel ring is also disclosed.

425057

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