Cover feed assembly

Details Cover feed assembly Cover feed assembly

2006-10-24

2006-10-24

Banks, Derris H. (Department: 3725)

Sheet metal container making

Apparatus applying closure to receptacle

Seamer

C413S035000, C413S045000

Reexamination Certificate

active

07125214

ABSTRACT:
Described is a seaming machine for use with a container (22) and an end closure (28). The machine includes a seaming head (62) with multiple shaft assemblies (100) and a lifter table (60) located below the seaming head (62) and including multiple container stations. During use, the lifter table (60) and seaming head (62) rotate in unison about the centerline of a spindle (64). A single shaft assembly (100) is provided at each station to perform a two-step seaming operation on its corresponding container (22). In one embodiment, a seaming cam (66) is located above the seaming head (62) for moving first and second cam followers (116), (118) in the shaft assembly (100). In another embodiment, the cam followers (116) and (118) have a master/slave relationship dependent on which step of the seaming operation is being conducted. In another embodiment, a single piece plate (122) is used in a cover feed assembly (120) and provides end closures (28) to a make-up point (30).

REFERENCES:
patent: 2539467 (1951-01-01), Pechy
patent: 2579976 (1951-12-01), Simpson
patent: 2680419 (1954-06-01), Peterson, Jr. et al.
patent: 2746413 (1956-05-01), Peterson, Jr.
patent: 2750913 (1956-06-01), Pechy
patent: 3238908 (1966-03-01), Gilbert
patent: 4808053 (1989-02-01), Nagai et al.
patent: 5320469 (1994-06-01), Katou et al.
patent: 5839869 (1998-11-01), Moran et al.
patent: 5911552 (1999-06-01), Shimizu et al.
patent: WO 93/15957 (1993-08-01), None

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