Apparatus for injecting a fluid into filter tow
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United States of America Patent
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-
Feb 7, 1995
Grant Date -
N/A
app pub date -
Jun 2, 1992
filing date -
Jun 2, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A fluid injection device and method of injecting and distributing a fluid, such as a gas, liquid or combination thereof, to a continuous, multifilament filter tow used in the manufacture of filters for smokable tobacco products. The injection device includes a converging tongue portion from which a nozzle block is suspended and rigidly supported. A nozzle conduit with a plurality of feed holes is formed in the nozzle block for delivering the fluid to a precise location in the advancing filter tow during its formation and consolidation into a filter rod. Additives, such as flavorants, may be injected into the tow or the tow may be further bloomed by a gas, such as air, to decrease tow usage.
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