GB1470857A - Filter element - Google Patents
Filter elementInfo
- Publication number
- GB1470857A GB1470857A GB2566774A GB2566774A GB1470857A GB 1470857 A GB1470857 A GB 1470857A GB 2566774 A GB2566774 A GB 2566774A GB 2566774 A GB2566774 A GB 2566774A GB 1470857 A GB1470857 A GB 1470857A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bore
- filter element
- end wall
- filter
- fibrous
- 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
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
- A24D3/04—Tobacco smoke filters characterised by their shape or structure
Abstract
1470857 Filter elements R J REYNOLDS TOBACCO CO 10 June 1974 [9 July 1973] 25667/74 Heading A2C A filter element 14 for tobacco smoke comprises a cylindrical porous body 24 contained within a side wall and two circular end walls the body having at least one elongated bore 28, 30 and 32 extending through each end wall into the fibrous body, each bore being surrounded by the fibrous body, and being parallel to each other bore and to the axis of the body, the bore(s) through one end wall being in non aligned relationship with the bore(s) through the other end wall. The filter element may be made from cellulose acetate fibres. The filter element may be used in conjunction with conventional filter media.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US37785873A | 1973-07-09 | 1973-07-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1470857A true GB1470857A (en) | 1977-04-21 |
Family
ID=23490785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2566774A Expired GB1470857A (en) | 1973-07-09 | 1974-06-10 | Filter element |
Country Status (18)
| Country | Link |
|---|---|
| JP (1) | JPS515078B2 (en) |
| AR (1) | AR201594A1 (en) |
| AT (1) | AT332779B (en) |
| BE (1) | BE816063A (en) |
| BR (1) | BR7404714A (en) |
| CA (1) | CA1007536A (en) |
| CH (1) | CH580924A5 (en) |
| DE (2) | DE2427583A1 (en) |
| DK (1) | DK305974A (en) |
| ES (1) | ES427074A1 (en) |
| FR (1) | FR2236544B1 (en) |
| GB (1) | GB1470857A (en) |
| IE (1) | IE39466B1 (en) |
| IT (1) | IT1014877B (en) |
| LU (1) | LU70267A1 (en) |
| NL (1) | NL7407640A (en) |
| SE (1) | SE403247B (en) |
| ZA (1) | ZA743645B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2122066A (en) * | 1982-06-24 | 1984-01-11 | Brown & Williamson Tobacco | Cigarette filter |
| US4942887A (en) | 1987-06-15 | 1990-07-24 | Fabriques De Tabac Reunies, S.A. | Filter mouthpiece for a smoking article |
| US11109618B2 (en) | 2013-03-28 | 2021-09-07 | Philip Morris Products S.A. | Smoking article including a flavour delivery member |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS549132B2 (en) * | 1971-10-09 | 1979-04-21 | ||
| JPS5523892B2 (en) * | 1973-04-03 | 1980-06-25 | ||
| JPS541942Y2 (en) * | 1974-11-08 | 1979-01-27 | ||
| EP2893820B1 (en) * | 2012-11-26 | 2022-07-20 | Japan Tobacco Inc. | Method for producing filter cigarette, filter, and filter cigarette |
-
1974
- 1974-06-07 SE SE7407519A patent/SE403247B/en unknown
- 1974-06-07 DE DE19742427583 patent/DE2427583A1/en not_active Ceased
- 1974-06-07 ZA ZA00743645A patent/ZA743645B/en unknown
- 1974-06-07 FR FR7419759A patent/FR2236544B1/fr not_active Expired
- 1974-06-07 DK DK305974A patent/DK305974A/da unknown
- 1974-06-07 BE BE145198A patent/BE816063A/en unknown
- 1974-06-07 CH CH783274A patent/CH580924A5/xx not_active IP Right Cessation
- 1974-06-07 IE IE1199/74A patent/IE39466B1/en unknown
- 1974-06-07 LU LU70267A patent/LU70267A1/xx unknown
- 1974-06-07 IT IT23749/74A patent/IT1014877B/en active
- 1974-06-07 DE DE7419672U patent/DE7419672U/en not_active Expired
- 1974-06-07 AR AR254111A patent/AR201594A1/en active
- 1974-06-07 CA CA201,906A patent/CA1007536A/en not_active Expired
- 1974-06-07 BR BR4714/74A patent/BR7404714A/en unknown
- 1974-06-07 NL NL7407640A patent/NL7407640A/en not_active Application Discontinuation
- 1974-06-07 ES ES427074A patent/ES427074A1/en not_active Expired
- 1974-06-07 AT AT473674A patent/AT332779B/en not_active IP Right Cessation
- 1974-06-07 JP JP49064164A patent/JPS515078B2/ja not_active Expired
- 1974-06-10 GB GB2566774A patent/GB1470857A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2122066A (en) * | 1982-06-24 | 1984-01-11 | Brown & Williamson Tobacco | Cigarette filter |
| US4942887A (en) | 1987-06-15 | 1990-07-24 | Fabriques De Tabac Reunies, S.A. | Filter mouthpiece for a smoking article |
| US11109618B2 (en) | 2013-03-28 | 2021-09-07 | Philip Morris Products S.A. | Smoking article including a flavour delivery member |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5031098A (en) | 1975-03-27 |
| CA1007536A (en) | 1977-03-29 |
| JPS515078B2 (en) | 1976-02-17 |
| BR7404714A (en) | 1976-02-17 |
| ZA743645B (en) | 1975-06-25 |
| IE39466B1 (en) | 1978-10-11 |
| IE39466L (en) | 1975-01-09 |
| AR201594A1 (en) | 1975-03-31 |
| LU70267A1 (en) | 1974-10-17 |
| AT332779B (en) | 1976-10-11 |
| CH580924A5 (en) | 1976-10-29 |
| ES427074A1 (en) | 1976-07-16 |
| FR2236544B1 (en) | 1980-05-09 |
| ATA473674A (en) | 1976-01-15 |
| DE7419672U (en) | 1977-03-31 |
| NL7407640A (en) | 1975-01-13 |
| DK305974A (en) | 1975-02-24 |
| FR2236544A1 (en) | 1975-02-07 |
| BE816063A (en) | 1974-09-30 |
| AU6987974A (en) | 1975-12-11 |
| SE7407519L (en) | 1975-01-10 |
| DE2427583A1 (en) | 1975-01-30 |
| IT1014877B (en) | 1977-04-30 |
| SE403247B (en) | 1978-08-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |