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US 8,967,155 B2Granted
Products of high denier per filament and low total denier tow bands
AssigneeCelanese Acetate LLC
InventorsChristopher M. Bundren, William S. Sanderson, Paul Busby, Edward J. Clark
Life of this patent
Estimating the term…
Abstract
A method for forming a filter rod may include providing a bale of crimped tow band having about 10 denier per filament or greater and about 20,000 total denier or less, the crimped tow band comprising a plurality of cellulose acetate filaments; and placing the crimped tow band in an apparatus so as to form a filter rod.
Claims19
A filter comprising:
- a tow having about 10 denier per filament or greater and about 15,000 total denier or less, the tow comprising a plurality of cellulose acetate filaments, the filter having an encapsulated pressure drop of about 3.5 mm water/mm length of filter or less, and the filter having a circumference of about 17 mm or less.
A smoking device comprising:
- a smokeable substance;
- and
- a filter comprising a tow having about 10 denier per filament or greater and about 15,000 total denier or less, the tow comprising a plurality of cellulose acetate filaments, and the filter having an encapsulated pressure drop of about 3.5 mm water/mm length of filter or less, the filter having a circumference of about 17 mm or less.
A pack of filters comprising:
- a pack comprising at least a plurality of filters having a circumference of about 17 mm or less, the filters comprising a tow having about 10 denier per filament or greater and about 15,000 total denier or less, the tow comprising a plurality of cellulose acetate filaments, and the filter having an encapsulated pressure drop of about 3.5 mm water/mm length of filter or less.
A pack of smoking devices comprising:
- a pack comprising at least one smoking device that comprises a filter that comprises a tow having about 10 denier per filament or greater and about 15,000 total denier or less, the tow comprising a plurality of cellulose acetate filaments, and the filter having a circumference of about 17 mm or less and an encapsulated pressure drop of about 3.5 mm water/mm length of filter or less.
A carton of smoking device packs comprising:
- a carton comprising at least one pack, the pack comprising at least one smoking device that comprises a filter that comprises a tow having about 10 denier per filament or greater and about 15,000 total denier or less, the tow comprising a plurality of cellulose acetate filaments, and the filter having a circumference of about 17 mm or less and an encapsulated pressure drop of about 3.5 mm water/mm length of filter or less.
Dependencies are inferred from the claim text.