Cushioning apparatus for web roll let-off and method
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United States of America Patent
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-
Apr 13, 1999
Issued Date -
N/A
app pub date -
Apr 23, 1997
filing date -
Aug 28, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Apparatus and method for cushioning the impact when placing a web roll on a belt let-off has pneumatic cylinders (A) operating bell crank arms (B) for raising a roll carried on one end (C) while lowering a roll (D) carried on an opposite end of the bell crank for tightening the belt (F) ejecting an empty core roll preparatory to receiving a web roll (W) which is supported by the arms (B) while being lowered and cushioned by the air cylinders until it is received and supported for rotation in a cradle formed by the belt (F) for unwinding.
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