Closure pre-tightener for closure applicating machines
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United States of America Patent
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-
Jan 5, 1982
Grant Date -
N/A
app pub date -
Dec 3, 1979
filing date -
Dec 3, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
This invention provides a pre-tightening mechanism for effecting the initial application of a threaded closure on a threaded bottle neck. The pre-tightening mechanism includes a friction rail for effecting a turning movement of the closure relative to the bottle neck and a spring biased cap hold-down plate which maintains a substantially constant pressure on the closure and maintains the closure panel horizontal during the pre-tightening operation.
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