Multi component cigarette filter assembly
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United States of America Patent
Stats
-
Feb 14, 2012
Grant Date -
Apr 3, 2008
app pub date -
Jul 30, 2007
filing date -
Sep 28, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A cigarette filter assembly comprises a hollow paper tube with a spaced apart solid fiber plugs inside the tube together with granular filter material in the spaces between the plugs. Energy activated adhesive is only between the solid filter plugs and interior surface portions of the tube. After the spaced apart solid fiber plugs are within the tube the adhesive is activated to secure the plugs to the tube. The energy activated adhesive is only on selected portions of the hollow tube where the solid fiber plugs are located or alternatively the adhesive is only on the exterior surface portions of the solid fiber plugs.
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Family
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