METHOD FOR PRODUCING SUCH A METAL CLOSURE WITH SEPERATE DISC AND RING FROM A SINGLE CLOSURE BLANK.

摘要

A method of production for a 2-piece "Combo" style closure (1') having a disk (10') constrained within a peripheral ring (20'). The" combo" style closure (1') is produced from a convention alone-piece closure shell (1) by cutting the sidewall (20) in the vicinity of the top plate (10) to produce the ring (20') and disc (10') respectively.