EP0212234A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Smoking article
Assignee: RJ Reynolds Tobacco Co
•
Filing: 1986-07-14
•
Granted: —
•
Expires: 2006-07-14
Abstract
Abstract The present invention relates to a smoking article, preferably in cigarette form, which produces an aerosol that resembles tobacco smoke. The article preferably comprises a short combustible fuel element (10) having a density greater than 0.5 g/cc, a separate substrate bearing an aerosol forming material (12), a heat conducting member (14) recessed from the lighting end of the fuel element, which preferably encloses the substrate, a resilient insulating jacket (72) encircling at least a portion of the fuel element, and an optional tobacco jacket (44) encircling at least a portion of the aerosol forming material.
Inventors
- 👤 Chandra Kumar Banerjee
- 👤 Ernest Gilbert Farrier
- 👤 James Luther Harris
- 👤 Alan Benson Norman
- 👤 James Lee Resce
- 👤 John Hughes Reynolds Iv
- 👤 Henry Thomas Ridings
- 👤 Andrew Jackson Sensabaugh, Jr.
- 👤 Michael David Shannon
- 👤 Gary Roger Shelar
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-28 03:54
CPC Classifications
A; A24; A24B; A24B15/00; A24B15/10; A24B15/16; A24B15/165; A24D; A24D1/00; A24D1/22
Claims Analysis
Total Claims: 65
Claim 1
Independent Claim
52 words
A smoking article comprising: (a) a combustible fuel element; (b) a physically separate aerosol generating means including an aerosol forming material; and (c) a heat conducting member for conducting heat from the fuel element to the aerosol generating means, the conducting member being spaced from the lighting end of the fuel element.
Claim 2
Dependent Claim
52 words
A smoking article comprising: (a) a combustible fuel element; (b) a physically separate aerosol generating means including an aerosol forming material; and (c) a heat conducting member for conducting heat from the fuel element to the aerosol generating means, the conducting member being spaced from the lighting end of the fuel element.
Claim 3
Dependent Claim
24 words
The article of claim 1, wherein the conducting member is spaced at least about 5 mm from the lighting end of the fuel element.
Claim 4
Dependent Claim
26 words
The article of claim 2, wherein the conducting member circumscribes a portion of the fuel element and at least a portion of the aerosol generating means.
Claim 5
Dependent Claim
16 words
The article of claim 2, wherein the heat conducting member is located within the fuel element.
Claim 6
Dependent Claim
23 words
The article of claim 3 or 4, wherein the conducting member contacts the fuel element along less than about one-half of its length.
Claim 7
Dependent Claim
23 words
A cigarette-type smoking article of claim 1, 2, 3, or 4, wherein the fuel element is less than about 30 mm in length.
Claim 8
Dependent Claim
18 words
The article of claim 6, wherein the fuel element has a density of at least about 0.5 g/cc.
Claim 9
Dependent Claim
11 words
The article of claim 7, wherein the fuel element comprises carbon.
Claim 10
Dependent Claim
17 words
The article of claim 8, wherein the fuel element is provided with a plurality of longitudinal passageways.
Claim 11
Dependent Claim
33 words
A cigarette-type smoking article of claim 1, 2, 3, or 4, wherein the fuel element is less than about 20 mm in length and has a density of at least about 0.7 g/cc.
Claim 12
Dependent Claim
23 words
The article of claim 10, wherein the fuel element comprises carbon and the fuel element is provided with a plurality of longitudinal passageways.
Claim 13
Dependent Claim
24 words
The article of claim 1, 2, 3, or 4, further comprising an insulating member which circumscribes at least a portion of the fuel element.
Claim 14
Dependent Claim
19 words
The article of claim 12, wherein the insulating member is a resilient, nonburning member at least 0.5 mm thick.
Claim 15
Dependent Claim
12 words
The article of claim 12, wherein the insulating member fuses during use.
Claim 16
Dependent Claim
24 words
The article of claim 13 or 14, further comprising a resilient insulating member which encircles at least a portion of the aerosol generating means.
Claim 17
Dependent Claim
18 words
The article of claim 1, 2, 3, or 4, wherein the conducting member encloses the aerosol forming material.
Claim 18
Dependent Claim
30 words
The article of claim 16, further comprising a resilient, nonburning insulating member at least 0.5 mm thick which encircles at least a portion of the periphery of the fuel element.
Claim 19
Dependent Claim
22 words
The article of claim 17, further comprising a resilient insulating member which encircles at least a portion of the aerosol generating means.
Claim 20
Dependent Claim
22 words
The article of claim 17, wherein at least a part of the aerosol generating means is encircled by a tobacco containing material.
Claim 21
Dependent Claim
48 words
The article of claim 1, wherein the fuel element has a density of at least 0.5 g/cc and is less than about 30 mm in length and at least a portion of the fuel element is circumscribed by a resilient insulating material at least about 0.5 mm thick.
Claim 22
Dependent Claim
18 words
The article of claim 20, wherein the insulating material has a softening temperature of about 650°C or less.
Claim 23
Dependent Claim
22 words
The article of claim 20 or 21, wherein the resilient material fuses during use and is at least about 1 mm thick.
Claim 24
Dependent Claim
22 words
The article of claim 20, further comprising a resilient insulating member which circumscribes at least a portion of the aerosol generating means.
Claim 25
Dependent Claim
30 words
The article of claim 20, wherein the aerosol forming material is located within a heat conductive container and a resilient insulating member circumscribes at least a portion of the container.
Claim 26
Dependent Claim
20 words
The article of claim 24, wherein at least a portion of the container is circumscribed by a tobacco containing mass.
Claim 27
Dependent Claim
27 words
The article of claim 20, 21, 23, 24, or 25, wherein the heat conducting member extends along less than about one-half the length of the fuel element.
Claim 28
Dependent Claim
25 words
The article of claim 20, 21, 23, 24, or 25, wherein the fuel element comprises carbon and has a density greater than about 0.7 g/cc.
Claim 29
Dependent Claim
31 words
The article of claim 20, 21, 23, 24, or 25, wherein the fuel element is less than about 20 mm in length and is provided with a plurality of longitudinal passageways.
Claim 30
Dependent Claim
30 words
The article of claim 20, 21, 23, 24, or 25, wherein the heat conducting member is spaced at least about 5 mm from the lighting end of the fuel element.
Claim 31
Dependent Claim
96 words
The article of claim 1, wherein the fuel element has a density of at least about 0.5 g/cc and is less than about 30 mm in length; the heat conducting member is spaced at least 5 mm from the lighting end of the fuel element, circumscribes a portion of the fuel element, and encloses the aerosol forming material; a resilient insulating member at least 0.5 mm thick circumscribes at least a portion of the fuel element; and a resilient insulating member circumscribes at least part of the heat conducting member which encloses the aerosol forming material.
Claim 32
Dependent Claim
22 words
The article of claim 30, wherein the heat conducting member extends along less than about one-half the length of the fuel element.
Claim 33
Dependent Claim
24 words
The article of claim 30, wherein the insulating member which circumscribes the fuel element is at least 1 mm thick and fuses during use.
Claim 34
Dependent Claim
28 words
The article of claim 32, wherein at least a portion of the heat conducting member which encloses the aerosol forming material is circumscribed by a tobacco containing mass.
Claim 35
Dependent Claim
31 words
The article of claim 30, 31, 32, or 33, wherein the insulating member which circumscribes the fuel element is a fibrous material having a softening temperature of about 650°C or less.
Claim 36
Dependent Claim
23 words
The article of claim 30, 31, 32, or 33, wherein the fuel element comprises carbon and has a density greater than 0.7 g/cc.
Claim 37
Dependent Claim
21 words
The article of claim 30, 31, 32, or 33, wherein the fuel element is less than about 20 mm in length.
Claim 38
Dependent Claim
21 words
The article of claim 30, 31, 32, or 33, wherein the fuel element is provided with a plurality of longitudinal passageways.
Claim 39
Dependent Claim
44 words
A cigarette-type smoking article comprising: (a) a combustible fuel element having a density of at least 0.5 g/cc; (b) a physically separate aerosol generating means including an aerosol forming material; and (c) an insulating member circumscribing at least a portion of the fuel element.
Claim 40
Dependent Claim
44 words
A cigarette-type smoking article comprising: (a) a combustible fuel element having a density of at least 0.5 g/cc; (b) a physically separate aerosol generating means including an aerosol forming material; and (c) an insulating member circumscribing at least a portion of the fuel element.
Claim 41
Dependent Claim
18 words
The article of claim 38, wherein the insulating member is resilient and at least about 0.5 mm thick.
Claim 42
Dependent Claim
12 words
The article of claim 39, wherein the insulating member fuses during use.
Claim 43
Dependent Claim
14 words
The article of claim 38, wherein the insulating member does not burn during use.
Claim 44
Dependent Claim
20 words
The article of claim 38, wherein the insulating member is a resilient nonburning material at least about 1 mm thick.
Claim 45
Dependent Claim
19 words
The article of claim 38, 39, 30, 41, or 42, wherein the insulating member comprises ceramic or glass fibers.
Claim 46
Dependent Claim
17 words
The article of claim 43, wherein the fibers have a softening temperature of about 650°C or less.
Claim 47
Dependent Claim
26 words
The article of claim 38, 39, 40, 41, or 42, further comprising a resilient insulating member circumscribing at least a portion of the aerosol generating means.
Claim 48
Dependent Claim
15 words
The article of claim 45, wherein the insulating member comprises a ceramic or glass fibers.
Claim 49
Dependent Claim
37 words
The article of claim 45, wherein the insulating member circumscribing the fuel element comprises ceramic or glass fibers and the insulating material circumscribing at least a portion of the aerosol generating means is a tobacco containing material.
Claim 50
Dependent Claim
20 words
The article of claim 47, wherein the ceramic or glass fibers have a softening temperature of about 650°C or less.
Claim 51
Dependent Claim
21 words
The article of claim 38, 39, 40, 41, or 42, wherein the fuel element is less than 30 mm in length.
Claim 52
Dependent Claim
17 words
The article of claim 49, wherein the fuel element is provided with a plurality of longitudinal passageways.
Claim 53
Dependent Claim
11 words
The article of claim 49, wherein the fuel element comprises carbon.
Claim 54
Dependent Claim
17 words
The article of claim 38, wherein the aerosol forming material is enclosed within a heat conductive container.
Claim 55
Dependent Claim
20 words
The article of claim 52, wherein a resilient insulating member circumscribes at least a portion of the heat conductive container.
Claim 56
Dependent Claim
17 words
The article of claim 53, wherein the insulating member which circumscribes the fuel element fuses during use.
Claim 57
Dependent Claim
20 words
The article of claim 53, wherein a tobacco containing mass circumscribes at least a portion of the heat conductive container.
Claim 58
Dependent Claim
12 words
The article of claim 53, wherein the container contacts the fuel element.
Claim 59
Dependent Claim
37 words
The article of claim 52, 53, 54, or 55, wherein the fuel element is less than 30 mm in length and the insulating member which circumscribes the fuel is a resilient material at least 0.5 mm thick.
Claim 60
Dependent Claim
20 words
The article of claim 57, wherein the fuel element comprises carbon and has a density greater than about 0.7 g/cc.
Claim 61
Dependent Claim
17 words
The article of claim 58, wherein the fuel element is provided with a pluality of longitudinal passageways.
Claim 62
Dependent Claim
34 words
The article of claim 1, 3, 20, 38, 52, or 55, wherein the article delivers at least about 0.6 mg of wet total particulate matter in the first three puffs under FTC smoking conditions.
Claim 63
Dependent Claim
39 words
The article of claim 1, 3, 20, 38, 52, or 55, wherein the article delivers an average of at least about 0.8 mg per puff of wet total particulate matter under FTC smoking conditions, for at least 6 puffs.
Claim 64
Dependent Claim
25 words
The article of claim 1, 20, or 38, wherein at least a portion of the aerosol generating means is circumscribed by a tobacco containing mass.
Claim 65
Dependent Claim
11 words
The article of claim 62, wherein the fuel element is carbonaceous.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.