| 摘要 |
An apparatus for shaping a metallic pull ring and simultaneously connecting it to a container closure is disclosed. The apparatus includes a pre-shaped article former for shearing with a rotary shearing blade a rectangular metal blank from the end portion of a thin metal strip and simultaneously blending it to form an annular pre-shaped article having overlapped opposite ends, a closure feeder as well as a pre-shaped article feeder for continuously positioning a container closure and the pre-shaped article to a rotating support member in such a relation that the free end portion of a tear-off tab of the closure and a part of the pre-shaped article overlap each other and a pull ring shaper and connecter for curling the peripheral edge of the pre-shaped article in the radial direction to form it into a ring and simultaneously rolling the tear-off tab into said ring and connecting them to each other. |
