Toyo Seikan Kaisha, Ltd.

Tamotsu Ikegami

Masanori Aizawa

Hiroshi Matsubayashi

Tateo Kubo

Michio Watanabe

Takashi Shimizu

Masao Naito

Kenji Morimoto

Shinichi Kizawa

Easy-open lid in which score cut edge can be covered and process for

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.

Apparatus for shaping an metallic pull ring and simultaneously

Growing community of inventors

Yokohama, Japan

Tamotsu Ikegami