Method of producing tobacco filters

Details Method of producing tobacco filters Method of producing tobacco filters

1998-06-26

1999-11-09

Derrington, James

Tobacco

Smoke separator or treater

Plural diverse elements

131331, 131332, 131345, A24D 300, A24D 302

Patent

active

059794607

ABSTRACT:
A tobacco filter with a circumferential length of 17 to 27 mm is prepared by creping or embossing, with a roller of a temperature not lower than 100.degree. C., a sheet-like material comprising not less than 20% by weight of a cellulose ester component and having a web structure with a basis weight of 20 to 35 g/m.sup.2 and a density of 0.25 to 0.45 g/cm.sup.3, and wrapping up the creped or embossed material into a rod form. The cellulose ester component includes e.g. a cellulose ester short staple, a fibrillated fiber, an esterified fiber and a fiber coated with a cellulose ester. This tobacco filter shows a pressure drop of 200 to 500 mm WG, a firmness of 88% or more and a cross-sectional porosity of 2% or less provided that it has a circumferential length of 24.5 mm and a length of 10 cm.

REFERENCES:
patent: 3900037 (1975-08-01), Horsewell et al.
patent: 4085760 (1978-04-01), Toyoshima et al.
patent: 4192838 (1980-03-01), Keith et al.
patent: 4283186 (1981-08-01), Keith et al.
patent: 5150721 (1992-09-01), Lece et al.
patent: 5495860 (1996-03-01), Teufel et al.
patent: 5823201 (1998-10-01), Matsumura
Database WPI Week 9502/Derwent Publications Ltd; "Biodegradable Cellulose Acetate Fibre Sheet--Having Degree of Acetylation Decreasing Front Surface to Centre", AN 95-012313, XP 002026822, JP 06 299 407 A (Teijin Limited), Oct. 25, 1994.

Affiliated with

Also associated with

Rating

Method of producing tobacco filters does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method of producing tobacco filters, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of producing tobacco filters will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1443691