Blow tube for a sheet-stacking apparatus
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United States of America Patent
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-
Mar 6, 2001
Grant Date -
N/A
app pub date -
Jun 23, 1998
filing date -
Jul 17, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A sheet-stacking apparatus has a conveyor including a plurality of parallel upper belts extending in a transport direction for delivering a succession of sheets one at a time to a stacking station and a plurality of blow tubes each having a main portion extending in the direction. The main portions are interleaved with the upper belts and are each formed with a plurality of downwardly open holes. Respective tubular rivet bodies set in the holes have heads bearing upward against the respective tube main portions and form downwardly open nozzles. Interiors of the tubes can be pressurized with air to project jets of air downward from the nozzles of the tube main portions.
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