Manufacture of tobacco smoke filters

A - Human Necessities – 24 – D

Patent

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A24D 3/00 (2006.01) A24D 3/08 (2006.01) B01D 39/16 (2006.01) C08J 9/00 (2006.01) C08J 9/12 (2006.01)

Patent

CA 1293098

-11- "Improvements Relating to the Manufacture of Tobacco Smoke Filters" A B S T R A C T A particulate plastics material, a polysaccharide and water are fed to an extruder which is operated under such heat and pressure conditions that upon emergence of the extrudate from the extruder die, the extrudate assumes a cross-section greater than that of the exit orifice of the die.

567911

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