Abstract: A seaming assembly configured to seam a can end onto a can body to form a seamed container is disclosed. The seaming assembly includes a lifter assembly, a seaming chuck, and a knockout pad. The lifter assembly may be configured to lift a can body, and may include a spring. The seaming chuck may include a surface that is configured to contact a portion of the can end during seaming. The knockout pad may be movable relative to the seaming chuck, and may be configured to locate the can end prior to seaming. The spring may be preloaded to provide a force between 30 lbf and 90 lbf to the can body when the lifter assembly has lifted the can body and the can end has contacted the seaming chuck. The force provided to the can body may increase to between 90 lbf and 150 lbf after the spring has been compressed.

Abstract: A seaming assembly (10) configured to seam a can end (14) onto a can body (18) to form a seamed container (20) is disclosed. The seaming assembly (10) includes a lifter assembly (27), a seaming chuck (28), and a knockout pad (30). The lifter assembly (27) is configured to lift a can body (18), and includes a spring (166). The seaming chuck (28) includes a surface (58) that is configured to contact a portion of the can end (14) during seaming. The knockout pad (30) is movable relative to the seaming chuck (28), and is configured to locate the can end prior to seaming. The spring (166) is preloaded to provide a force between 301bf and 901bf to the can body (18) when the lifter assembly (27) has lifted the can body (18) and the can end (14) has contacted the seaming chuck (28). The force provided to the can body (18) may increase to between 901bf and 1501bf after the spring (166) has been compressed.

Abstract: A chuck-knockout assembly for seaming a can end onto a can body to form a seamed container is disclosed. The chuck-knockout assembly may include an upper chuck body and a lower chuck body. The upper chuck body may include a first drive surface and may be rotatably coupled to a seaming machine frame. The lower chuck body may include a second drive surface and may be longitudinally moveable relative to the upper chuck body. The second drive surface may be configured to engage a periphery of the can end during seaming and disengagement of the container.

Abstract: A system for creating marked can tabs may include an isolation mechanism located in the path of the tab material strip between a tab material dereeler and a tab forming press and a system suitable for marking the tab material strip. The isolation mechanism may be configured to convert discontinuous motion of the tab material strip proximate the tab forming press into continuous motion of the tab material strip at the dereeler. The system may be suitable for marking the tab material strip. The marking system may be located between the dereeler and the isolation mechanism such that the laser system acts on the tab material strip while it is moving at a relatively constant speed.

Abstract: A seaming assembly configured to seam a can end onto a can body to form a seamed container is disclosed. The seaming assembly includes a lifter assembly, a seaming chuck, and a knockout pad. The lifter assembly may be configured to lift a can body, and may include a spring. The seaming chuck may include a surface that is configured to contact a portion of the can end during seaming. The knockout pad may be movable relative to the seaming chuck, and may be configured to locate the can end prior to seaming. The spring may be preloaded to provide a force between 30 lbf and 90 lbf to the can body when the lifter assembly has lifted the can body and the can end has contacted the seaming chuck. The force provided to the can body may increase to between 90 lbf and 150 lbf after the spring has been compressed.

Abstract: A chuck-knockout assembly for seaming a can end onto a can body to form a seamed container is disclosed. The chuck-knockout assembly may include an upper chuck body and a lower chuck body. The upper chuck body may include a first drive surface and may be rotatably coupled to a seaming machine frame. The lower chuck body may include a second drive surface and may be longitudinally moveable relative to the upper chuck body. The second drive surface may be configured to engage a periphery of the can end during seaming and disengagement of the container.