US3863644A - Smoking articles - Google Patents

Smoking articles Download PDF

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Publication number
US3863644A
US3863644A US295453A US29545372A US3863644A US 3863644 A US3863644 A US 3863644A US 295453 A US295453 A US 295453A US 29545372 A US29545372 A US 29545372A US 3863644 A US3863644 A US 3863644A
Authority
US
United States
Prior art keywords
tubes
rod
filter
smoking
tobacco
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 - Lifetime
Application number
US295453A
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English (en)
Inventor
Frederick J Hunt
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.)
Brown and Williamson Holdings Inc
Original Assignee
Brown and Williamson Tobacco Corp
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 Brown and Williamson Tobacco Corp filed Critical Brown and Williamson Tobacco Corp
Application granted granted Critical
Publication of US3863644A publication Critical patent/US3863644A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes

Definitions

  • Cl A24d 01/02 a rod of king m erial having two or more chan- [58] Field of S arch 131/4 R, 4 B, 7, 3 R, 16, nels', for instance tubes, of small cross section extend- 131/9, 2, 6, 10 A, 13, 14, 10.5 ing substantially longitudinally of the rod from near the mouthend to points short of the other end, at least [56] References Cit d two of the said channels being of different lengths.
  • the smoking article may have a smoke filter against 29,436 7/1860 Lindsley 131/4 B ux whlch the Chamels substamauy abut 346,025 7/1886 Cook 131/8 R 4 Claims, 5 Drawing Figures a van SMOKING ARTICLES
  • the invention concerns improvements relating to smoking articles, particularly but not exclusively ciga- Closely disposed tubes 4 may form an assembly, of subshown in FIG. 4, or one-near the central axis and the other near the circumference as shown in FIG. 5.
  • More than two tubes 4 may be employed, provided I that at least two of them are of different lengths.
  • a smoking article com- 5 percent to ac XtraCt, 2 percent glycerol and 7 prises a rod of smoking material having two or more P ent odium carboxymethyl cellulose, by weight.
  • This Composition, P p ih Sheet form, may be longitudinally of the rod from near the mouthend to made into a P2115te y dissolving it in a little Waterpoints short of the other end, at least two of the said he Cigarettes used for the following Examples were channels being of different lengths.
  • the substantially as shOWn in FlGS- l and the tubes 4 smoking material will comprise natural or reconstituted themselves being made in the anner just described. tobacco, but it may comprise a tobacco substitute.
  • a tobacco rod may be wrapped in paper in conventional EXAMPLE l manner.
  • the article may be provided with a smoke fil- T tubes f 40 mm d 30 mm length respectively in known manner.
  • the channels of different lengths may be provided by d f 65 mm hang-thy f a cigarette. o smoking the tubes.
  • the tubes may be of the same or different diamecigarette to a butt length of 23 mm under standard conters, the internal diameter being within the range of 0.1 ditions of one puff per minute of 35 ml volume and 2 to 4 mm.
  • the tubes may be made ofa combustible nonseconds duration the following yields of total particutoxic material such as paper, a cellulosic material, tolate matter (TPM) per puff were obtained.
  • a comparable normal filter cigarette when smoked position such as is referred to below.
  • to a butt length of 23 mm in eight puffs gave yields of A cigarette in accordance with the invention may be TPM which increased with successive puffs, the sum of produced on a conventional cigarette-making machine the yields being about mg.
  • the sum of 24.2 reprewhich has been modified for inserting the tubes or assents a reduction of about 3] percent. sembly of tubes in the tobacco rod.
  • FIG. 1 is a longitudinal section through a cigarette him diamelelon smoking the Cigarette Under the Stan provided with i i l tubes, dard conditions, the following yield of TPM per puff
  • FIG. 2 is a cross section on the line n n in FIG. 1, 40 were Obtained- Puff No. l 2 3 4 5 e 7 s 9 10 Sum Yield (mg) 1.6 1.6 1.8 1.6 2.2 2.2 2.4 2.2 2.2 2.2 20.0
  • FIGS. 3 to 5 are similar cross sections illustrating aling puff number.
  • the cigarette illustrated comprises, in aconventional cigarette, a reduction in the sum TPM of percent arrangement, a tobacco rod 1 in a paper wrapper 2 and 50 was obtained.
  • Open-ended tubes 4 of the same diameter, but different lengths extend longitudinally through the tobacco rod 1.
  • EXAMPLE 3 they abut or substantially abut against the inner end of Two tubes, of 40 mm and 30 mm length and 1.3 mm the filter plug 3. Their outer ends are located short of diameter were used.
  • the per-puff yields of TPM were the outer end of the tobacco rod 1. as follows:
  • the pressure drop was about 10.5 cm water gauge as against 12.9 cm for a comparable normal filter cigarettef
  • the presence of the tubes reduces the volume of tobacco or other smoking material required to produce cigarettes of given external dimensions.
  • the tobacco reduction amounted to about 3 percent.
  • a smoking article comprising a rod of smoking material and a filter at one end of said rod, at least two combustible tubes of small cross section. open at each end, and extending longitudinally through the rod of smoking material from points closely adjacent the filter to points short of the end of the rod of smoking material opposite the filter, said tubes being of different lengths, the ends of said tubes located at the end of the rod opposite said filter being positioned at such different distances from said rod end so that a programmed air ventilation effect is achieved whereby during the initial puffs a mixture of air and tobacco smoke is delivered through the tubes providing a delivery of a higher TPM smoke to the filter than that which would be delivered in the initial puffs during smoking of the same tobacco column without inclusion of the tubes, and during successive puffs, the ratio of air to tobacco smoke in said mixture is increased as the fire cone moves through the tobacco rod to the ends of the tubes.

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  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
US295453A 1971-10-21 1972-10-06 Smoking articles Expired - Lifetime US3863644A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4902371 1971-10-21

Publications (1)

Publication Number Publication Date
US3863644A true US3863644A (en) 1975-02-04

Family

ID=10450827

Family Applications (1)

Application Number Title Priority Date Filing Date
US295453A Expired - Lifetime US3863644A (en) 1971-10-21 1972-10-06 Smoking articles

Country Status (11)

Country Link
US (1) US3863644A (da)
AU (1) AU462083B2 (da)
BE (1) BE790395A (da)
BR (1) BR7207325D0 (da)
CH (1) CH557649A (da)
DE (1) DE2250984A1 (da)
DK (1) DK128342B (da)
FI (1) FI56105C (da)
GB (1) GB1346116A (da)
NL (1) NL173017C (da)
ZA (1) ZA727011B (da)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4027679A (en) * 1974-12-19 1977-06-07 Joseph Kaswan Tobacco product
US4142534A (en) * 1975-09-04 1979-03-06 Victor Brantl Reduction of toxic substances in tobacco smoke
US4347855A (en) * 1980-07-23 1982-09-07 Philip Morris Incorporated Method of making smoking articles
US4391285A (en) * 1980-05-09 1983-07-05 Philip Morris, Incorporated Smoking article
EP0077123A3 (en) * 1981-09-14 1983-07-06 Philip Morris Incorporated Low delivery cigarette
US4655229A (en) * 1984-01-30 1987-04-07 R. J. Reynolds Tobacco Company Flavor delivery system
US4771795A (en) * 1986-05-15 1988-09-20 R. J. Reynolds Tobacco Company Smoking article with dual burn rate fuel element
US4881556A (en) * 1988-06-06 1989-11-21 R. J. Reynolds Tobacco Company Low CO smoking article
US4989619A (en) * 1985-08-26 1991-02-05 R. J. Reynolds Tobacco Company Smoking article with improved fuel element
US5020548A (en) * 1985-08-26 1991-06-04 R. J. Reynolds Tobacco Company Smoking article with improved fuel element
US5024241A (en) * 1989-03-31 1991-06-18 Turmac Tobacco Company B.V. Method and apparatus for manufacturing a rod of tobacco or the like enclosed by a paper strip, and cigarette manufactured by said method
US5042509A (en) * 1984-09-14 1991-08-27 R. J. Reynolds Tobacco Company Method for making aerosol generating cartridge
EP0482872A1 (en) * 1990-10-26 1992-04-29 Rothmans International Services Limited Smoking article
TR25521A (tr) * 1991-12-01 1993-05-01 Rothmans Int Tobacco BIR FILTRE KISMI BULUNAN TüTüN VEYA TüTüN GIBI ICILEBILEN NESNE.
EP0636324A1 (en) * 1993-07-27 1995-02-01 R.J. Reynolds Tobacco Company Controlled delivery smoking article and method
US20080029106A1 (en) * 2006-08-03 2008-02-07 Philip Morris Usa Inc. Immobilized additive inserts

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8329501D0 (en) * 1983-11-04 1983-12-07 British American Tobacco Co Smoking articles
NL8503427A (nl) * 1984-12-19 1986-07-16 Tobacco Res & Dev Sigaret en werkwijze voor het vervaardigen daarvan.
US7914622B2 (en) * 2005-12-21 2011-03-29 Philip Morris Usa Inc. Smoking article having flavorant materials retained in hollow heat conductive tubes

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US29436A (en) * 1860-07-31 Improvement in cigars
US346025A (en) * 1886-07-20 Chaeles c
US3674036A (en) * 1970-07-13 1972-07-04 Fidel Vega Cigarette smoking means
US3756249A (en) * 1971-09-23 1973-09-04 Kimberly Clark Co Smokable article having internal air passageway
US3773053A (en) * 1972-01-24 1973-11-20 Philip Morris Inc Cigarette with controlled smoking profile

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US29436A (en) * 1860-07-31 Improvement in cigars
US346025A (en) * 1886-07-20 Chaeles c
US3674036A (en) * 1970-07-13 1972-07-04 Fidel Vega Cigarette smoking means
US3756249A (en) * 1971-09-23 1973-09-04 Kimberly Clark Co Smokable article having internal air passageway
US3773053A (en) * 1972-01-24 1973-11-20 Philip Morris Inc Cigarette with controlled smoking profile

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4027679A (en) * 1974-12-19 1977-06-07 Joseph Kaswan Tobacco product
US4142534A (en) * 1975-09-04 1979-03-06 Victor Brantl Reduction of toxic substances in tobacco smoke
US4391285A (en) * 1980-05-09 1983-07-05 Philip Morris, Incorporated Smoking article
US4347855A (en) * 1980-07-23 1982-09-07 Philip Morris Incorporated Method of making smoking articles
US4984588A (en) * 1981-09-14 1991-01-15 Philip Morris Incorporated Low delivery cigarette
EP0077123A3 (en) * 1981-09-14 1983-07-06 Philip Morris Incorporated Low delivery cigarette
US4655229A (en) * 1984-01-30 1987-04-07 R. J. Reynolds Tobacco Company Flavor delivery system
US5042509A (en) * 1984-09-14 1991-08-27 R. J. Reynolds Tobacco Company Method for making aerosol generating cartridge
US5020548A (en) * 1985-08-26 1991-06-04 R. J. Reynolds Tobacco Company Smoking article with improved fuel element
US4989619A (en) * 1985-08-26 1991-02-05 R. J. Reynolds Tobacco Company Smoking article with improved fuel element
US4771795A (en) * 1986-05-15 1988-09-20 R. J. Reynolds Tobacco Company Smoking article with dual burn rate fuel element
US4881556A (en) * 1988-06-06 1989-11-21 R. J. Reynolds Tobacco Company Low CO smoking article
US5024241A (en) * 1989-03-31 1991-06-18 Turmac Tobacco Company B.V. Method and apparatus for manufacturing a rod of tobacco or the like enclosed by a paper strip, and cigarette manufactured by said method
EP0482872A1 (en) * 1990-10-26 1992-04-29 Rothmans International Services Limited Smoking article
TR25521A (tr) * 1991-12-01 1993-05-01 Rothmans Int Tobacco BIR FILTRE KISMI BULUNAN TüTüN VEYA TüTüN GIBI ICILEBILEN NESNE.
EP0636324A1 (en) * 1993-07-27 1995-02-01 R.J. Reynolds Tobacco Company Controlled delivery smoking article and method
US20080029106A1 (en) * 2006-08-03 2008-02-07 Philip Morris Usa Inc. Immobilized additive inserts
WO2008015572A3 (en) * 2006-08-03 2008-05-02 Philip Morris Prod Immobilized additive inserts
US8282739B2 (en) 2006-08-03 2012-10-09 Philip Morris Usa Inc. Preformed cigarette having a specifically defined immobilized flavorant additive insert positioned therein
US9011603B2 (en) 2006-08-03 2015-04-21 Philip Morris Usa Inc. Method for forming a smoking article capable of delivering flavorant to mainstream smoke when ignited during smoking
US10028523B2 (en) 2006-08-03 2018-07-24 :Philip Morris USA Inc. Immobilized additive inserts
US11229233B2 (en) 2006-08-03 2022-01-25 Philip Morris Usa Inc. Immobilized additive inserts

Also Published As

Publication number Publication date
AU462083B2 (en) 1975-06-12
BR7207325D0 (pt) 1973-09-13
AU4745572A (en) 1974-04-26
BE790395A (fr) 1973-02-15
DE2250984A1 (de) 1973-05-03
GB1346116A (en) 1974-02-06
DK128342B (da) 1974-04-16
NL7214015A (da) 1973-04-25
FI56105C (fi) 1979-12-10
CH557649A (de) 1975-01-15
FI56105B (fi) 1979-08-31
NL173017B (nl) 1983-07-01
ZA727011B (en) 1973-06-27
NL173017C (nl) 1983-12-01

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