Pneumatic conveying system for rod-like articles

In a pneumatic filter rod conveying system a vent (12) is provided in the line (10) close to the distributor (2). This enables a relatively high pressure gradient to be established, with resultant high filter transfer rates at the distributor, without having excessively high pressures in the distrib...

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Bibliographic Details
Main Authors ALBERT DANIEL SEIM II, HERMAN JOSEPH STEINBUCHEL IV, CLIVE WILLIAM WATSON
Format Patent
LanguageEnglish
Published 28.05.1997
Edition6
Subjects
CIGARETTES
CIGARS
HUMAN NECESSITIES
MACHINES FOR MAKING CIGARS OR CIGARETTES
SMOKERS' REQUISITES
TOBACCO
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Summary:In a pneumatic filter rod conveying system a vent (12) is provided in the line (10) close to the distributor (2). This enables a relatively high pressure gradient to be established, with resultant high filter transfer rates at the distributor, without having excessively high pressures in the distributor and/or higher than necessary line transmission speeds. Also provided is a selectable pressure switch (40) for reducing air pressure at the distributor when there are fewer than normal filters in the line, e.g. at the end of a run: this also allows avoidance of undesirably high line transmission speeds.
Bibliography:Application Number: GB19970003281