Spunbond cigarette filter

Details Spunbond cigarette filter Spunbond cigarette filter

1993-11-03

1996-07-23

Bahr, Jennifer

Tobacco

Smoke separator or treater

131332, A24D 104

Patent

active

055380190

ABSTRACT:
A filter made from a nonwoven spunbond web comprising a plurality of continuous intertwined filaments, each filament having a diameter of about 25 to about 100 microns, predominantly present in the web as loop springs having diameters of about 1 to 3 millimeters. The web is made from a plurality of spunbond filaments laid randomly onto a moving belt. The webs of the present invention find particular utility when formed into cylinders as filters for smoking articles. In the smoking articles, the filters of the invention have a desirable degree of firmness while demonstrating an acceptable pressure drop.

REFERENCES:
patent: 439004 (1890-10-01), Harris
patent: 2966156 (1960-12-01), Touey et al.
patent: 3110642 (1963-11-01), Harrington
patent: 3226795 (1966-01-01), Swerdloff
patent: 3276944 (1966-10-01), Levy
patent: 3329544 (1967-07-01), Smith et al.
patent: 3338992 (1967-08-01), Kinney
patent: 3341394 (1967-09-01), Kinney
patent: 3393685 (1968-07-01), Mumpower, II
patent: 3396733 (1968-08-01), Allseits et al.
patent: 3397700 (1968-08-01), Harlow et al.
patent: 3407822 (1968-10-01), Touey et al.
patent: 3461882 (1969-08-01), Epstein
patent: 3502538 (1970-03-01), Petersen
patent: 3502763 (1970-03-01), Hartmann
patent: 3509009 (1970-04-01), Hartmann
patent: 3538920 (1970-11-01), Davis
patent: 3542615 (1970-11-01), Dobo et al.
patent: 3595245 (1971-07-01), Buntin
patent: 3608564 (1971-09-01), Takahashi
patent: 3667478 (1972-06-01), Waterbury
patent: 3692618 (1972-09-01), Dorschner et al.
patent: 3704192 (1972-11-01), Soehngen et al.
patent: 3749685 (1973-07-01), Johnson, Jr.
patent: 3856025 (1974-12-01), Sato
patent: 3861404 (1975-01-01), Changani
patent: 3880173 (1975-04-01), Hill
patent: 3882877 (1975-05-01), Brackmann
patent: 3887730 (1975-06-01), Rainer
patent: 3930077 (1975-12-01), Levers et al.
patent: 3939849 (1976-02-01), Baxter
patent: 3978185 (1976-08-01), Buntin
patent: 4054550 (1977-10-01), Parker
patent: 4059121 (1977-11-01), Brackmann
patent: 4182350 (1980-01-01), Steinau
patent: 4232130 (1980-11-01), Baxter
patent: 4279848 (1981-07-01), Baxter et al.
patent: 4340563 (1982-07-01), Appel et al.
patent: 4364403 (1982-12-01), Horsewell et al.
patent: 4366826 (1983-01-01), Horsewell
patent: 4379465 (1983-04-01), Coq
patent: 4546040 (1985-10-01), Knotek
patent: 4729391 (1988-03-01), Woods et al.
patent: 4903714 (1990-02-01), Barnes et al.
patent: 4961415 (1990-10-01), Radwanski et al.
patent: 5012829 (1991-05-01), Thesing et al.
Japanese Abstract, JP,A06033359 dated Feb. 8, 1994.

Affiliated with

Also associated with

Rating

Spunbond cigarette filter does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Spunbond cigarette filter, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Spunbond cigarette filter will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-706848