ES296457A1 - Method of making cigarette filter rods - Google Patents

Method of making cigarette filter rods

Info

Publication number
ES296457A1
ES296457A1 ES0296457A ES296457A ES296457A1 ES 296457 A1 ES296457 A1 ES 296457A1 ES 0296457 A ES0296457 A ES 0296457A ES 296457 A ES296457 A ES 296457A ES 296457 A1 ES296457 A1 ES 296457A1
Authority
ES
Spain
Prior art keywords
filaments
rollers
cellulose
roller
gripped
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
ES0296457A
Other languages
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Celanese Corp
Original Assignee
Celanese Corp
Celanese Corp of America
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Celanese Corp, Celanese Corp of America filed Critical Celanese Corp
Publication of ES296457A1 publication Critical patent/ES296457A1/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/02—Manufacture of tobacco smoke filters
    • A24D3/0204—Preliminary operations before the filter rod forming process, e.g. crimping, blooming
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
    • D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
    • D02J1/18—Separating or spreading

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)

Abstract

A cigarette filter plug comprising a bundle of substantially uniformly crimped continuous filaments extending through the length of the plug with the crimps in the individual filaments wholly or mainly out of registration with those in adjacent filaments, the bundle being contained in a tube of paper, is characterized in that the bundle is free from inter-filamentary coalescence and increases in diameter by at least 20% when released from the restraint imposed by the tube of paper. Crimped tow 12 is drawn upwardly from a bale 11 over a bar 13, passes horizontally through an airspreader 14, over bars 15, 16 and 17 and downwardly, at an angle preferably less than 25 degrees to the vertical, to the nip of rollers 18, 19. Roller 19 is a smooth driven roller and roller 18 is a steel idler roller, spring-urged into contact with roller 18 and having helical grooves. The tow then passes between a further pair of similar rollers 20, 21 which are driven at a speed faster than the rollers 18, 19. The helical grooves on the rollers 18 and 20 ensure that the filaments are only gripped between the rollers in regions alternating with other regions where the filaments are not so gripped, the particular filaments gripped changing repeatedly during the passage of the tow between the rollers so that different groups of filaments are gripped and released. The opened tow then passes to the garniture 22 of a machine 24, from which it emerges as a continuous rod 25 which is cut into lengths 27 by a knife 26. Preferably the filaments are of cellulose acetate but may be made from other cellulose esters, e.g. cellulose propionate, cellulose acetate propionate, highly esterified cellulose containing less than 0.29 free hydroxyl groups per anhydro-glucose unit such as cellulose triacetate, regenerated cellulose, linear super polyamides such as nylon-6 and nylon-66, linear polyesters and polymers and copolymers of vinylidene compounds such as ethylene, propylene, vinylidene cyanide and acrylonitrile. Quantitative examples are given.
ES0296457A 1963-03-08 1964-02-04 Method of making cigarette filter rods Expired ES296457A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US263855A US3329543A (en) 1963-03-08 1963-03-08 Method of making cigarette filter rods
US26551863A 1963-03-15 1963-03-15

Publications (1)

Publication Number Publication Date
ES296457A1 true ES296457A1 (en) 1964-07-16

Family

ID=26950086

Family Applications (2)

Application Number Title Priority Date Filing Date
ES0296457A Expired ES296457A1 (en) 1963-03-08 1964-02-04 Method of making cigarette filter rods
ES0298964A Expired ES298964A1 (en) 1963-03-08 1964-04-20 Method of making cigarette filter rods

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES0298964A Expired ES298964A1 (en) 1963-03-08 1964-04-20 Method of making cigarette filter rods

Country Status (10)

Country Link
US (1) US3329543A (en)
AT (1) AT285401B (en)
BE (1) BE644835A (en)
CH (1) CH440084A (en)
DE (1) DE1432623B1 (en)
ES (2) ES296457A1 (en)
GB (1) GB1042064A (en)
LU (1) LU45598A1 (en)
NL (1) NL6401608A (en)
SE (2) SE311853B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3461508A (en) * 1967-05-05 1969-08-19 Du Pont Acute angle tow opener
DE2036486A1 (en) * 1970-07-23 1972-02-03 Hauni-Werke Körber & Co KG, 2050 Hamburg Method for peeling off a dewstrip for cigarette filters
DE102006018101A1 (en) * 2006-04-18 2007-10-25 Hauni Maschinenbau Ag Processing unit for processing at least one filter tow strip and a device with at least two such processing units
US8967155B2 (en) 2011-11-03 2015-03-03 Celanese Acetate Llc Products of high denier per filament and low total denier tow bands
DE102013209591A1 (en) * 2013-05-23 2014-11-27 Hauni Maschinenbau Ag Material entry in a filter tow
PL3117724T3 (en) * 2014-03-13 2019-10-31 Daicel Corp Cellulose acetate tow band for use in cigarette filters and cigarette filter

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2638634A (en) * 1947-06-20 1953-05-19 Deering Milliken Res Trust Stretch breaking apparatus and method
BE536168A (en) * 1952-12-05
US2908045A (en) * 1955-10-20 1959-10-13 Eastman Kodak Co Method for removing false twist and longitudinal folds from continuous filament crimped tow
US3017309A (en) * 1957-02-21 1962-01-16 Eastman Kodak Co Method for the manufacture of filters composed of cellulose acetate
DE1084626B (en) * 1957-06-07 1960-06-30 Eastman Kodak Co Tobacco smoke filter element
BE573050A (en) * 1957-11-07
US3016581A (en) * 1957-11-07 1962-01-16 Eastman Kodak Co Apparatus for opening continuous multifilament crimped tow
CA674101A (en) * 1961-11-13 1963-11-12 T. Dunlap Donald Tow opening

Also Published As

Publication number Publication date
SE311853B (en) 1969-06-23
BE644835A (en) 1964-09-07
SE365702B (en) 1974-04-01
US3329543A (en) 1967-07-04
CH440084A (en) 1967-07-15
AT285401B (en) 1970-10-27
DE1432623B1 (en) 1970-11-12
GB1042064A (en) 1966-09-07
LU45598A1 (en) 1965-09-06
NL6401608A (en) 1964-09-09
ES298964A1 (en) 1964-08-16

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