EP2647300A3 - Segmented smoking article - Google Patents

Segmented smoking article Download PDF

Info

Publication number
EP2647300A3
EP2647300A3 EP13170124.5A EP13170124A EP2647300A3 EP 2647300 A3 EP2647300 A3 EP 2647300A3 EP 13170124 A EP13170124 A EP 13170124A EP 2647300 A3 EP2647300 A3 EP 2647300A3
Authority
EP
European Patent Office
Prior art keywords
segment
aerosol
mouth end
heat generation
length
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.)
Granted
Application number
EP13170124.5A
Other languages
German (de)
French (fr)
Other versions
EP2647300A2 (en
EP2647300B1 (en
Inventor
Billy Tyrone Conner
Andries Don Sebastian
Evon Llewellyn Crooks
Timothy Frederick Thomas
James Richard Stone
Chandra K. Banerjee
Yi-Ping Chang
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.)
RJ Reynolds Tobacco Co
Original Assignee
RJ Reynolds Tobacco Co
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
Priority claimed from US12/775,130 external-priority patent/US8839799B2/en
Priority claimed from US12/775,278 external-priority patent/US8424538B2/en
Priority claimed from US12/859,494 external-priority patent/US20120042885A1/en
Application filed by RJ Reynolds Tobacco Co filed Critical RJ Reynolds Tobacco Co
Publication of EP2647300A2 publication Critical patent/EP2647300A2/en
Publication of EP2647300A3 publication Critical patent/EP2647300A3/en
Application granted granted Critical
Publication of EP2647300B1 publication Critical patent/EP2647300B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/10—Chemical features of tobacco products or tobacco substitutes
    • A24B15/16—Chemical features of tobacco products or tobacco substitutes of tobacco substitutes
    • A24B15/165—Chemical features of tobacco products or tobacco substitutes of tobacco substitutes comprising as heat source a carbon fuel or an oxidized or thermally degraded carbonaceous fuel, e.g. carbohydrates, cellulosic material
    • 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
    • A24D1/00—Cigars; Cigarettes
    • A24D1/22—Cigarettes with integrated combustible heat sources, e.g. with carbonaceous heat sources

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Manufacture Of Tobacco Products (AREA)

Abstract

A cigarette comprising:
a lighting end (14) and a mouth end (18);
a mouth end piece segment (65) disposed at the mouth end;
an aerosol-generation system disposed between the smokable segment and the mouth end piece segment, the aerosol-generation system including
(i) a heat generation segment (35) immediately adjacent the lighting end, said heat generation segment having a length and including a heat source (40) and an insulation layer (42) of flame-retardant material, the insulation layer comprising:
about 40 to about 50 percent, by weight, flue-cured tobacco lamina,
about 20 to about 25 percent, by weight, water-soluble flue-cured tobacco stems extract, and
about 20 to about 25 percent, by weight, wood pulp,
wherein the insulation layer comprises a treatment of ammonium chloride and is configured with an inner-facing geometry configured to complementarily engage and longitudinally retain the heat source within the heat generation segment; and

(ii) an aerosol-generating segment (51) incorporating aerosol-forming material (55), said aerosol-generating segment having a length and being disposed between, but physically separate from, each of the heat generation segment and the mouth end;

a piece of outer wrapping material (64) oriented to provide an overwrap (i) around the aerosol-generating segment for at least a portion of its length, and (ii) around the heat generation segment for the length of that segment; those segments being connected together by the overwrap to provide a cigarette rod; and
the mouth end piece segment being connected to the cigarette rod using tipping material (78).
EP13170124.5A 2010-05-06 2011-04-27 Segmented smoking article Active EP2647300B1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US12/775,130 US8839799B2 (en) 2010-05-06 2010-05-06 Segmented smoking article with stitch-bonded substrate
US12/775,278 US8424538B2 (en) 2010-05-06 2010-05-06 Segmented smoking article with shaped insulator
US12/859,494 US20120042885A1 (en) 2010-08-19 2010-08-19 Segmented smoking article with monolithic substrate
PCT/US2011/034040 WO2011139730A1 (en) 2010-05-06 2011-04-27 Segmented smoking article
EP11718610.6A EP2566358B1 (en) 2010-05-06 2011-04-27 Segmented smoking article

Related Parent Applications (3)

Application Number Title Priority Date Filing Date
EP11718610.6A Division-Into EP2566358B1 (en) 2010-05-06 2011-04-27 Segmented smoking article
EP11718610.6A Division EP2566358B1 (en) 2010-05-06 2011-04-27 Segmented smoking article
EP11718610.6 Division 2011-04-27

Publications (3)

Publication Number Publication Date
EP2647300A2 EP2647300A2 (en) 2013-10-09
EP2647300A3 true EP2647300A3 (en) 2015-01-07
EP2647300B1 EP2647300B1 (en) 2019-04-24

Family

ID=44310108

Family Applications (4)

Application Number Title Priority Date Filing Date
EP11718610.6A Active EP2566358B1 (en) 2010-05-06 2011-04-27 Segmented smoking article
EP19162492.3A Active EP3520636B1 (en) 2010-05-06 2011-04-27 Segmented smoking article
EP13170148.4A Active EP2647301B1 (en) 2010-05-06 2011-04-27 Segmented smoking article
EP13170124.5A Active EP2647300B1 (en) 2010-05-06 2011-04-27 Segmented smoking article

Family Applications Before (3)

Application Number Title Priority Date Filing Date
EP11718610.6A Active EP2566358B1 (en) 2010-05-06 2011-04-27 Segmented smoking article
EP19162492.3A Active EP3520636B1 (en) 2010-05-06 2011-04-27 Segmented smoking article
EP13170148.4A Active EP2647301B1 (en) 2010-05-06 2011-04-27 Segmented smoking article

Country Status (5)

Country Link
EP (4) EP2566358B1 (en)
JP (1) JP5976637B2 (en)
CN (2) CN102946747B (en)
PL (3) PL3520636T3 (en)
WO (1) WO2011139730A1 (en)

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US9149072B2 (en) 2010-05-06 2015-10-06 R.J. Reynolds Tobacco Company Segmented smoking article with substrate cavity
US9301546B2 (en) 2010-08-19 2016-04-05 R.J. Reynolds Tobacco Company Segmented smoking article with shaped insulator
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Also Published As

Publication number Publication date
WO2011139730A1 (en) 2011-11-10
EP2647301B1 (en) 2019-08-28
PL3520636T3 (en) 2024-07-22
EP2566358B1 (en) 2022-10-05
JP2013524850A (en) 2013-06-20
CN102946747B (en) 2015-06-24
EP2647301A3 (en) 2015-01-07
CN102946747A (en) 2013-02-27
JP5976637B2 (en) 2016-08-23
PL2566358T3 (en) 2023-01-02
EP2647301A2 (en) 2013-10-09
EP3520636B1 (en) 2024-04-17
EP2647300A2 (en) 2013-10-09
PL2647301T3 (en) 2020-03-31
EP2647300B1 (en) 2019-04-24
EP2566358A1 (en) 2013-03-13
EP3520636A1 (en) 2019-08-07
CN105124761B (en) 2017-08-29
CN105124761A (en) 2015-12-09

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