Labeling apparatus having porting arrangement and related methods
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United States of America Patent
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Feb 28, 2012
Grant Date -
Feb 18, 2010
app pub date -
Aug 12, 2008
filing date -
Aug 12, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A labeling apparatus is for applying labels to articles advanced along an article conveyor. The labeling apparatus may include a frame to be positioned adjacent the article conveyor, and a labeler carried by the frame. The labeler may include a housing, a rotary bellows wheel carried by the housing, and bellows carried by the rotary bellows wheel. The rotary bellows wheel and adjacent portions of the housing may define a porting arrangement for selectively connecting the rotary bellows wheel to a fluid flow to selectively control internal fluid pressure for the bellows so that each bellows is movable between a retracted label pick-up position and an extended label-applying position and so that a peak negative internal fluid pressure is applied at the label pick-up position and a peak positive internal fluid pressure is applied at the label-applying position.
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