Sheet metal container making – Apparatus to form container closure – Having means uniting pull tab to closure
Reexamination Certificate
2006-06-20
2006-06-20
Banks, Derris H. (Department: 3725)
Sheet metal container making
Apparatus to form container closure
Having means uniting pull tab to closure
C413S012000, C413S014000, C413S016000, C413S025000, C413S056000
Reexamination Certificate
active
07063492
ABSTRACT:
A system for forming and attaching lift-tabs to can ends to form easy opening lift-tab can ends comprises a frame and a means for forming a lift-tab. The means for forming a lift-tab is mounted on the frame and adapted to form at least one lane of lift-tabs in a strip of metal stock material. The system also includes a drive roller supported on the frame and adapted to move the strip of metal stock material through the means for forming a lift-tab. The system further includes a means for attaching a lift-tab onto a can end. The means for attaching a lift-tab onto a can end is mounted on the frame and adapted to attach a lift-tab onto a can end to form an easy opening lift-tab can end. The system also includes a conveyor means for conveying the at least one lane of formed lift-tabs from the means for forming a lift-tab to the means for attaching a lift-tab onto a can end, a power source for providing power to operate either or both of the means for forming a lift-tab and the means for attaching a lift-tab onto a can end, and a crank shaft operatively connected to the power source. The crank shaft is adapted to transmit power for operating either or both of the means for forming a lift-tab and the means for attaching a lift-tab onto a can end. In a preferred embodiment, the system comprises two frames in close proximity to each other.
REFERENCES:
patent: 4026226 (1977-05-01), Hahn et al.
patent: 4568230 (1986-02-01), Brown
patent: 5511920 (1996-04-01), Artrip
patent: 5660516 (1997-08-01), Artrip et al.
patent: 6682286 (2004-01-01), Artrip
patent: 6802683 (2004-10-01), Turner et al.
Artrip Jerry
Banks Derris H.
Nguyen Jimmy
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