Device for screwing on caps
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United States of America Patent
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-
Jan 11, 2005
Grant Date -
Oct 23, 2003
app pub date -
Apr 15, 2003
filing date -
Apr 22, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The device for screwing on a cap comprises a gripping head fixed to a rotary spindle, and a drive shaft connected to a drive member carried by a frame, the rotary spindle and the drive shaft are connected to each other on the same axis by a resilient coupling member, connected both to the rotary spindle and to the drive shaft, and the device further comprises a detector member for detecting relative rotation between the rotary spindle and the drive shaft, and a control member for interrupting tightening of the cap when the relative rotation reaches a predetermined threshold.
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