Package making – Methods – Closing package or filled receptacle
Patent
1996-03-20
1997-11-18
Culver, Horace M.
Package making
Methods
Closing package or filled receptacle
53306, 53317, 533315, B67B 320, B65B 728
Patent
active
056875525
ABSTRACT:
An adapter system is provided for a capping machine. A first adapter is mounted on the capping machine spindle. A second adapter carries the capping head and is axially movable on the first adapter. The second adapter is urged with an axial capping load to an extended position relative to the first adapter. The spindle can be moved to a second position while rotating to engage the cap with the container and move the first adapter axially toward the second adapter. A travel stop can be provided to impose a higher, initial load on the cap when the cap thread initially engages the container thread. After the initial engagement, the rotating spindle effects continued threaded engagement of the cap which, owing to the helical thread engagement, moves downwardly on the container thread under a lower axial capping load. The travel stop can also be omitted to provide a single axial capping load.
REFERENCES:
patent: 4254603 (1981-03-01), Obrist
patent: 4295320 (1981-10-01), Willingham
patent: 4485609 (1984-12-01), Kowal
patent: 4979350 (1990-12-01), Arnemann
patent: 5437139 (1995-08-01), Martin
Abbott Laboratories
Culver Horace M.
Woodworth Brian R.
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