US3320960A - Filter tips for cigarettes - Google Patents
Filter tips for cigarettes Download PDFInfo
- Publication number
- US3320960A US3320960A US426582A US42658265A US3320960A US 3320960 A US3320960 A US 3320960A US 426582 A US426582 A US 426582A US 42658265 A US42658265 A US 42658265A US 3320960 A US3320960 A US 3320960A
- Authority
- US
- United States
- Prior art keywords
- facing
- wrapper
- plugs
- filter
- inner face
- 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
Links
Images
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
Definitions
- filter tips for cigarettes have most frequently contained simple mechanical ltering media, e.g. paper or cotton wool, but recently increased demand for more efiicient filtration has led to consideration of other media and in particular eomminuted (i.e. powdered or granulated) materials, notably granulated carbon.
- simple mechanical ltering media e.g. paper or cotton wool
- eomminuted (i.e. powdered or granulated) materials notably granulated carbon.
- a filter tip containing carbon granules needs to have two short conventional filter plugs within an enclosing paper wrapper, the plugs and wrapper enclosing a space serving to receive the carbon granules.
- Such tips may be manufactured on a machine of the continuous rod type which places plugs at suitably spaced intervals on a moving web of wrapping paper, carried by a conveyor belt, and thereafter feeding the web with the plugs through a so-called garniture in which stationary deiiector blades cause the paper first to assume a U formation and then be folded into a cylinder enclosing the plugs; the paper is of course overlapped and supplied with adhesive along one longitudinal edge portion as the cylindrical form is approached so as to provide a properly sealed seam to close the cylinder.
- Carbon granules are fed into each of the spaces between successive plugs when the paper adjoining such space has been brought to the U formation but before any overlap of the paper edges has been produced.
- a composite filter tip for cigarettes comprising two filter plugs held in axially aligned but spaced relation to one another by a paper or like wrapper forming a tube enclosing both said plugs and comminuted (i.e. granulated or powdered) filter material retained within said wrapper in the space between said plugs, including a facing of resilient or deformable material attached to and covering at least part of the inner face of the wrapper, the thickness of said facing being such in relation to the quantity of filter material that the facing is at least slightly compressed so that said facing is pressed against said part of the inner face of the wrapper to oppose passage of smoke therebetween.
- the material employed for said facing may for example be crepe paper, or a foamed synthetic plastic material. It will be appreciated that, so long as some compression of the facing is obtained as specified above, the granulated or powdered material must fill the space within the part of the wrapper carrying the facing, hence smoke must pass through said material in travelling from one plug ice N to the other.
- the facing material must of course be impermeable, but this requirement is not absolute, e.g. crepe paper will allow passage of smoke to a certain extent; the material for the facing must in practice be selected on the basis that it should have a substantially greater resistance to passage of smoke than is offered by the granulated or powdered filter material to be used.
- FIGURE 1 shows in section a filter tip with a facing on the inner face of its wrapper
- FIGURE 2 shows a modification of the tip of FIG- URE l
- FIGURE 3 shows a modification of the tip of FIG- URE 1.
- a tubular paper wrapper l encloses two filter plugs 2, holding said plugs in axially aligned but spaced relation.
- the inner face of the wrapper 1 over that part of its length which surrounds the space between the plugs 2, has adhesively secured to it a facing 3 of crepe paper.
- Said space is filled with granulated carbon 4, in such quantity that the crepe paper facing 3 is slightly compressed and hence pressed against the inner face of the wrapper 1 to provide a seal opposing passage of smoke.
- smoke may not pass between the plugs 2 without passing through the granulated carbon 4, except by passing between the fibres of the facing 3 which offer so much greater resistance to :such passage than does the granulated carbon that in practice no significant proportion of the smoke will pass through the facing.
- FIGURE 2 shows a filter tip generally similar to that of FIGURE l but here the facing 3 does not cover the whole of the inner face of wrapper 1 surrounding the space in which the granulated carbon 4 is accommodated; instead two rings of facing 3a, 3b, are provided, adjacent to the plugs 2, leaving uncovered a central annular zone 5 of the inner face of the wrapper.
- the facing need not extend over the whole of the part of the inner face of the wrapper surrounding the space containing the granulated carbon, but an annular strip of said inner face may be left uncovered adjacent to each plug, as illustrated in FIGURE 3.
- a composite filter tip for cigarettes comprising two ⁇ filter plugs, a wrapper forming a tube enclosing both plugs to hold the latter in axially aligned but spaced relation to one another, comminuted filter material retained within said wrapper in the space between said plugs, and a facing of deformable material attached to and covering at least part of the inner face of the wrapper, the thickness of said facing being such in relation to the quantity of filter material that the facing is at least slightly compressed so that said facing is pressed against said part of the inner face of the wrapper to oppose passage of smoke therebetween.
Landscapes
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5370/64A GB1099922A (en) | 1964-02-07 | 1964-02-07 | Improvements in or relating to filter tips for cigarettes |
Publications (1)
Publication Number | Publication Date |
---|---|
US3320960A true US3320960A (en) | 1967-05-23 |
Family
ID=9794847
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US426582A Expired - Lifetime US3320960A (en) | 1964-02-07 | 1965-01-19 | Filter tips for cigarettes |
Country Status (5)
Country | Link |
---|---|
US (1) | US3320960A (is) |
BE (1) | BE658776A (is) |
CH (1) | CH430547A (is) |
DE (2) | DE1298030B (is) |
GB (1) | GB1099922A (is) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3504678A (en) * | 1967-09-15 | 1970-04-07 | Molins Machine Co Ltd | Mouthpieces for cigarettes |
US4373539A (en) * | 1981-09-25 | 1983-02-15 | Innacelli Frank L | Tobacco smoke filter |
WO1984002637A1 (en) * | 1983-01-14 | 1984-07-19 | Frank L Innacelli | Tobacco smoke filter |
US4889143A (en) * | 1986-05-14 | 1989-12-26 | R. J. Reynolds Tobacco Company | Cigarette rods and filters containing strands provided from sheet-like materials |
DE4118815A1 (de) * | 1991-06-07 | 1992-12-10 | Bat Cigarettenfab Gmbh | Cigarettenfilter und verfahren zu seiner herstellung |
US20050066982A1 (en) * | 2003-09-30 | 2005-03-31 | Clark Melissa Ann | Filtered cigarette incorporating an adsorbent material |
US20050066980A1 (en) * | 2003-09-30 | 2005-03-31 | Crooks Evon Llewellyn | Filtered cigarette incorporating an adsorbent material |
US20050066984A1 (en) * | 2003-09-30 | 2005-03-31 | Crooks Evon Llewellyn | Filtered cigarette incorporating an adsorbent material |
US20050066983A1 (en) * | 2003-09-30 | 2005-03-31 | Clark Melissa Ann | Filtered cigarette incorporating an adsorbent material |
US20050066981A1 (en) * | 2003-09-30 | 2005-03-31 | Crooks Evon Llewellyn | Filtered cigarette incorporating an adsorbent material |
US20070056600A1 (en) * | 2005-09-14 | 2007-03-15 | R. J. Reynolds Tobacco Company | Filtered smoking article |
US8739802B2 (en) | 2006-10-02 | 2014-06-03 | R.J. Reynolds Tobacco Company | Filtered cigarette |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3811451A (en) * | 1972-09-11 | 1974-05-21 | American Filtrona Corp | Tobacco smoke filter |
DE4205658A1 (de) * | 1992-02-25 | 1993-08-26 | Reemtsma H F & Ph | Ventilierte filtercigarette |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB377147A (en) * | 1931-04-28 | 1932-07-21 | Desmond Walter Molins | Improvements in cigarettes |
US2064239A (en) * | 1928-11-20 | 1936-12-15 | Aivaz Boris | Smoke filter plug or wad for cigarette paper tubes |
GB741416A (en) * | 1951-12-21 | 1955-12-07 | Hedwig Gamble | Improvements in or relating to filters for mouthpiece cigarettes and other smoking purposes |
US2815760A (en) * | 1951-12-24 | 1957-12-10 | Schreus Hans Theo | Tobacco smoke filter |
US3079926A (en) * | 1958-10-24 | 1963-03-05 | Harry R Litchfield | Filters |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1062601B (de) * | 1953-02-28 | 1959-07-30 | Hauni Werke Koerber & Co Kg | Verfahren und Maschine zum Herstellen von Mehrfiltermundstueckzigaretten od. dgl. |
FR1101759A (fr) * | 1954-03-23 | 1955-10-11 | Bout amovible filtrant perfectionné pour cigarette ou cigare | |
GB753278A (en) * | 1954-06-03 | 1956-07-18 | Jose Mazar Barnett | Cigarette with filter |
CH349527A (de) * | 1955-08-09 | 1960-10-15 | Max Dr Stauber | Filterpatrone für Tabakrauch |
DE1877942U (de) * | 1962-06-13 | 1963-08-14 | Hauni Werke Koerber & Co Kg | Zigarette. |
DE1892093U (de) * | 1964-01-17 | 1964-04-30 | Werner Baehr | Filter fuer zigaretten od. dgl. mit drosselstellen, kondensationshohlraeumen und prallflaechen. |
-
1964
- 1964-02-07 GB GB5370/64A patent/GB1099922A/en not_active Expired
-
1965
- 1965-01-19 US US426582A patent/US3320960A/en not_active Expired - Lifetime
- 1965-01-25 BE BE658776D patent/BE658776A/xx unknown
- 1965-01-29 CH CH130165A patent/CH430547A/fr unknown
- 1965-02-08 DE DEM64070A patent/DE1298030B/de active Pending
- 1965-02-08 DE DE6606277U patent/DE6606277U/de not_active Expired
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2064239A (en) * | 1928-11-20 | 1936-12-15 | Aivaz Boris | Smoke filter plug or wad for cigarette paper tubes |
GB377147A (en) * | 1931-04-28 | 1932-07-21 | Desmond Walter Molins | Improvements in cigarettes |
GB741416A (en) * | 1951-12-21 | 1955-12-07 | Hedwig Gamble | Improvements in or relating to filters for mouthpiece cigarettes and other smoking purposes |
US2815760A (en) * | 1951-12-24 | 1957-12-10 | Schreus Hans Theo | Tobacco smoke filter |
US3079926A (en) * | 1958-10-24 | 1963-03-05 | Harry R Litchfield | Filters |
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3504678A (en) * | 1967-09-15 | 1970-04-07 | Molins Machine Co Ltd | Mouthpieces for cigarettes |
US4373539A (en) * | 1981-09-25 | 1983-02-15 | Innacelli Frank L | Tobacco smoke filter |
WO1984002637A1 (en) * | 1983-01-14 | 1984-07-19 | Frank L Innacelli | Tobacco smoke filter |
US4889143A (en) * | 1986-05-14 | 1989-12-26 | R. J. Reynolds Tobacco Company | Cigarette rods and filters containing strands provided from sheet-like materials |
DE4118815A1 (de) * | 1991-06-07 | 1992-12-10 | Bat Cigarettenfab Gmbh | Cigarettenfilter und verfahren zu seiner herstellung |
US20050066983A1 (en) * | 2003-09-30 | 2005-03-31 | Clark Melissa Ann | Filtered cigarette incorporating an adsorbent material |
US7240678B2 (en) | 2003-09-30 | 2007-07-10 | R. J. Reynolds Tobacco Company | Filtered cigarette incorporating an adsorbent material |
US20050066984A1 (en) * | 2003-09-30 | 2005-03-31 | Crooks Evon Llewellyn | Filtered cigarette incorporating an adsorbent material |
US20050066982A1 (en) * | 2003-09-30 | 2005-03-31 | Clark Melissa Ann | Filtered cigarette incorporating an adsorbent material |
US20050066981A1 (en) * | 2003-09-30 | 2005-03-31 | Crooks Evon Llewellyn | Filtered cigarette incorporating an adsorbent material |
US9554594B2 (en) | 2003-09-30 | 2017-01-31 | R.J. Reynolds Tobacco Company | Filtered cigarette incorporating an adsorbent material |
US7237558B2 (en) | 2003-09-30 | 2007-07-03 | R. J. Reynolds Tobacco Company | Filtered cigarette incorporating an adsorbent material |
US20050066980A1 (en) * | 2003-09-30 | 2005-03-31 | Crooks Evon Llewellyn | Filtered cigarette incorporating an adsorbent material |
US7669604B2 (en) | 2003-09-30 | 2010-03-02 | R.J. Reynolds Tobacco Company | Filtered cigarette incorporating an adsorbent material |
US7827997B2 (en) | 2003-09-30 | 2010-11-09 | R. J. Reynolds Tobacco Company | Filtered cigarette incorporating an adsorbent material |
US7856990B2 (en) | 2003-09-30 | 2010-12-28 | R. J. Reynolds Tobacco Company | Filtered cigarette incorporating an adsorbent material |
US8066011B2 (en) | 2003-09-30 | 2011-11-29 | R. J. Reynolds Tobacco Company | Filtered cigarette incorporating an adsorbent material |
US20070056600A1 (en) * | 2005-09-14 | 2007-03-15 | R. J. Reynolds Tobacco Company | Filtered smoking article |
US8739802B2 (en) | 2006-10-02 | 2014-06-03 | R.J. Reynolds Tobacco Company | Filtered cigarette |
Also Published As
Publication number | Publication date |
---|---|
DE6606277U (de) | 1970-09-10 |
BE658776A (is) | 1965-05-17 |
CH430547A (fr) | 1967-02-15 |
DE1298030B (de) | 1969-06-19 |
GB1099922A (en) | 1968-01-17 |
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