US3844200A - Continuous manufacture of a multiple filter rod having spaced pockets containing particulate material - Google Patents

Continuous manufacture of a multiple filter rod having spaced pockets containing particulate material Download PDF

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Publication number
US3844200A
US3844200A US00358126A US35812673A US3844200A US 3844200 A US3844200 A US 3844200A US 00358126 A US00358126 A US 00358126A US 35812673 A US35812673 A US 35812673A US 3844200 A US3844200 A US 3844200A
Authority
US
United States
Prior art keywords
web
particulate material
pockets
wheel
rod
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
US00358126A
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English (en)
Inventor
J Sexstone
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
Priority to US00358126A priority Critical patent/US3844200A/en
Priority to ZA738775A priority patent/ZA738775B/xx
Priority to AU63170/73A priority patent/AU467028B2/en
Priority to CA189,896A priority patent/CA1000152A/en
Priority to JP49009063A priority patent/JPS5147799B2/ja
Priority to BE140626A priority patent/BE810695A/xx
Priority to DK079674A priority patent/DK153354C/da
Priority to GB989174A priority patent/GB1431634A/en
Priority to IT49035/74A priority patent/IT1003705B/it
Priority to FI786/74A priority patent/FI58717C/fi
Priority to BR2527/74A priority patent/BR7402527D0/pt
Priority to NL7405271A priority patent/NL7405271A/xx
Priority to CH564774A priority patent/CH577800A5/xx
Priority to DE2421847A priority patent/DE2421847A1/de
Application granted granted Critical
Publication of US3844200A publication Critical patent/US3844200A/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 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
    • A24D3/02—Manufacture of tobacco smoke filters
    • A24D3/0204—Preliminary operations before the filter rod forming process, e.g. crimping, blooming
    • A24D3/0212—Applying additives to filter materials
    • A24D3/0225—Applying additives to filter materials with solid additives, e.g. incorporation of a granular product

Definitions

  • a filter rod making machine is modified to include a hopper for granular or particulate material, and an applicator wheel driven in timed relationshipwith the rod cut-off unit.
  • the selected filter material for forming the rod is formed into a substantially U-shaped configuration.
  • the applicator wheel is provided with spaced pockets extending circumferentially about the wheel periphery. The applicator wheel runs continuously with the pockets filling with the granular material while passing under the hopper.
  • a guide around the surface of the wheel holds the particulate material in the pockets and permits their release at the appropriate moment when the pockets containing the granules are at the bottom part of the traverse of the wheel.
  • the granules from the individual pocket are deposited into the interior of the U shaped filter material, shortly after the shaping of the filter material into this configuration.
  • the tongue of the gamiture closes the top of the U and anchors the granules in position, in the center of the cylindrically shaped endless rod. Accordingly, the granules will be restricted to spaced pockets along the length of the rod.
  • the cut-off unit cuts the endless rod between pockets into the desired lengths for banding in filter tip attachment machinery. This machinery cuts the lengths intermediate the particulate sections to form plugs each having at least one of the granule pockets intermediate its ends.
  • This introduction has been by dusting, spraying, slurrying, or otherwise incorporating the additives into the material which forms the major part of the filter structure.
  • This fibrous material may be paper, bulked yarn, filamentary tow or any other material known to the art.
  • the granular additives are introduced to the fibers or interspersed therein, there is a tendency for them to sift out or migrate during the filter forming operation or while the filter element is in use.
  • thesifting out of the particulate material would prove distasteful particularly when the migration resulted in granules finding their way into the mouth of the smoker.
  • attempts to introduce adhesives to fix the location of the additives has not proved successful because such adhesives would generally deactivate theadsorbent properties of the additives.
  • Another method of manufacturing multiple filters with granule or particulate additive material involved the handling of short filter segments of selected material and arranging them in spaced relationship and thereafter incorporating the additives between segments toprovide a multiple filter rod having a loose granule section.
  • the filter rod is eventually cut to provide multiple filters having an intermediate granule section.
  • This technique although effectual, does involve expense which is increased significantly with cost of the particulate material introduced.
  • the handling of short filter plug lengths and introduction of the particulate material in the contemplated manner, particularly on high speed machinery incurs many difficulties including wastage and down-time of the production machinery.
  • the present invention relates to the manufacture of a continuous filter rod having at spaced intervals pockets containing a selected additive in particulate or granular form with registry of the pockets being assured and migration of granules eliminated.
  • Another object is to provide multiple filters having an intermediate pocket of a granular additive of reduced pressure drop for assuring the direction of the tobacco smoke to this zone in order that the smoke may be treated as desired.
  • a further object is to provide for the manufacture of a multiple filter rod of this type in an efficient manner and on a commercial scale without any of the disadvantages of the aforenoted prior'art techniques.
  • Still another object is to provide for the manufacture of a multiple filter rod of the foregoing type in which more accurate metered amounts of the granule material are introduced into the pockets of the filter material thereby restricting the location of the granules to the center rather than migrating throughout the crosssectional area of the rod.
  • FIG. 1 is an elevational view of a continuous filter rod forming machine incorporating the teachings of this invention
  • FIG. 2 is a length of filter rod formed by the machine of FIG. 1 with certain parts broken away and removed showing pockets at spaced intervals in the tow, containing a selected additive in particulate or granule form;
  • FIG. 3 is a cross-sectional view taken along the line 33 of FIG. 2',
  • FIG. 4 is an enlarged fragmentary and partially sectional view showing the metering wheel applicator associated with a granule hopper and componentry at the inlet and outlet of this station;
  • FIG. 5 is a fragmentary cross-sectional view taken along the line 5-5 of FIG. 4 showing the formation of the filter material into the U-shaped configuration;
  • FIG. 6 is a fragmentary sectional view taken along the line 6-6 of FIG. 4 showing the association of the base of the wheel with the U-shaped filter material and release of the granules from the metering wheel;
  • FIG. 7 is a fragmentary sectional view taken along the line 7-7 of FIG. 4 showing the filter material about 3 to be formed over the granules to form a continuous rod having spaced pockets containing this material.
  • apparatus for continuously forming a multiple filter rod having spaced pockets containing a finely divided additive in particulate or granular form; Lengths of this continuous rod are cut by apparatus 10 and suitably removed at the discharge end thereof.
  • An exemplary rod length 12 formed by such apparatus is illustrated in FIG. 2.
  • a filter material such as fibrous cellulose acetate tow 14 may be utilized.
  • the filter material may be paper, bulked yarn or other filamentary tow well known to the art.
  • the spaced pockets 16 may contain an additive 18 having the desired absorbative or adsorbative properties either in particulate or granular form.
  • the granules 18 may be finely divided charcoal, silica gel, volcanic salts, ion exchange resins, clays and the like.
  • a particular additive contemplated by this invention is the ion exchange resin Duolite" which may 4
  • the continuously delivered tow then passes into the trumpet 32 located at the inlet end of the granular applicator station 34.
  • the trumpet 32 and rib 32a are designed to place the flattened tow 22 into an essentially U-shaped configuration as shown in FIG. 5, preparatory to receipt of the spaced charges of granular material 18.
  • the tow is constrained to move into and pass through trumpet 32 and over rib 32a, which supplies a U-shaped cross-section to trumpet 32.
  • the tow begins to assume the U-shaped configuration and then is compressed on both its interior and exterior surfaces by rib 32a and the sides of trumpet 32 upon entering the narrower cross-section of trumpet 32, thereby providing shape and increased integrity to the U-shaped web.
  • the shaped web of tow 22 then is fed into station 34 along with the web 36 of the selected paper or wrapper leading from the supply roll 38.
  • a driven tube belt 40 cooperates in driving the wrapper 36 through the cigarette plug making machine 10 along with the tow 22.
  • the wrapper eventually encases the tow and cooperates in defining the desired substantially cylindrical configuration of the filter rod.
  • the wheelapplicator station 34 is shown in detail in FIGS. 4 and 6 and operates to deposit metered amounts ,of the selected granular material at spaced intervals within the base of the U-shaped web 22 leading from the trumpet 22.
  • the granular material 18 is gravity fed from hopper 42 for filling the cavities, recesses or pockets 44 appearing at predetermined spaced intervals along the periphery of the metering wheel 46. Suction may be appliedinternally of wheel 46 to assist the feedingv of the granules into the pockets. Once the pockets are filled, the granular material is retained therein during the rotational movement of the wheel 46 by means of the retaining shoe 48, or by the mainte-,
  • the U-shaped tow 22 with the spaced charges of selected granular material 18 pass into a garniture 57 immediately after the wheel applicator station 34.
  • the rod former and guide unit operates to gather the legs of the -U-shaped tow 22 and gather them about the spaced granular material 18.
  • the essentially cylindrical tow with spaced pockets of granular material 18 together with the wrapper 36 pass into the garniture I tongue as is conventionally done in filter rod making machinery. Then one of the marginal side edges of the wrapper 36 is exposed to the glue applicator 54. Thereafter the rod passes through the paste applicator station 54 where glue is applied to one of the marginal side edges of the wrapper 38.
  • folder 55 engages this edge and folds it into contact with the other with the applied glue in between for purposes of sealing the wrapper about the tow.
  • the wrapped tow is fed through heater 56 and subsequently into the cut-off station 58 at which the wrapped rod is cut into lengths 12 (see FIG. 2).
  • the cutting of the rod is synchronized with the rotation of the wheel 46.
  • a registration device 60 operates to register the peripheral movement of the wheel with the cut to assume cutting midway between pockets
  • the broken lines 14 indicate where cuts may be made by the cutter 58 of the plug maker 10 in order to provide quadruple length dual filter rods of the type shown in FIG. 2.
  • These quadruple length rods are supplied to a filter tip attachment machine which cuts each quadruple length rod in half to form two dual length dual filter rods which are each assembled in axial alignment and in endwise abutting relationship with two tabacco rods with a wrapper. A final cut is made along the center line of the dual length cut rod to form two dual filter cigarettes.
  • a method of manufacturing multiple tobacco smoke filters comprising the steps of:
  • a metering applicator wheel receives the particulate material from the hopper and delivers it to the web, the metering wheel having spaced pockets of predetermined size along its periphery for accommodating the metered amounts of the particulate material and continuously rotating the metering wheel and delivering the metered amounts of particulate material from the hopper to the web at spaced intervals.
  • suction is applied to facilitate transfer of the particulate material into the web.
  • Apparatus for manufacturing multiple tobacco smoke filters comprising:
  • a. filter material supply means for supplying a web of filter material, said web having an elongated axis and being continuous in the direction of said axis;
  • feed means for continuously feeding the web in the direction of said axis
  • shaping means having walls converging in the direction of web movement and a U-shaped internal configuration for forming and compressing the web into a substantially U-shaped configuration
  • hopper means for supplying a particulate material
  • metering wheel means associated with said hopper means and having spaced pockets along its periphery for receiving predetermined amounts of particulate material and transferring it to a discharge location;
  • retaining means including a retaining shoe positioned about the spaced pockets on one side of the metering wheels for maintaining the particulate material in the pockets during this transfer;
  • discharge means for permitting the discharge of the particulate material in the pockets onto the U- shaped web immediately after the trumpet means, the discharged particulate material being located at the base of the web between the legs of the U and at predetermined spaced intervals;
  • wrapper feeding and moving means for continuously feeding a wrapper in contact with and beneath the web after the web has been formed into the substantially U-shaped configuration and before the discharge of the particulate material into the web;
  • garniture means immediately adjacent the wheel means for enclosing the web about the particulate material immediately after the particulate material is deposited on the web and forming the web into a rod;
  • wrapping means for enclosing a wrapper around the rod
  • cutting means for cutting the wrapped rod into lengths each having at least one intermediate portion containing a pocket with the particulate material within the web of selected filter material.
  • suction means expedites the transfer of the particulate material from the pockets of the wheel to the web.
  • synchronization means synchronizes the peripheral speed of the wheel with the travel of the web.
  • registration means registers the location of the pockets with the cut by the cutting means.
  • the shaping means includes a trumpet and a rib mounted internally andlongitudinally along the trumpet.

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  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
  • Filtering Materials (AREA)
US00358126A 1973-05-07 1973-05-07 Continuous manufacture of a multiple filter rod having spaced pockets containing particulate material Expired - Lifetime US3844200A (en)

Priority Applications (14)

Application Number Priority Date Filing Date Title
US00358126A US3844200A (en) 1973-05-07 1973-05-07 Continuous manufacture of a multiple filter rod having spaced pockets containing particulate material
ZA738775A ZA738775B (en) 1973-05-07 1973-11-16 Continuous manufacture of a multiple filter rod having spaced pockets containing particulate material
AU63170/73A AU467028B2 (en) 1973-05-07 1973-12-03 Continuous manufacture ofa multiple filter rod having spaced pockets containing particulate material
CA189,896A CA1000152A (en) 1973-05-07 1974-01-10 Continuous manufacture of a multiple filter rod having spaced pockets containing particulate material
JP49009063A JPS5147799B2 (da) 1973-05-07 1974-01-22
BE140626A BE810695A (fr) 1973-05-07 1974-02-06 Fabrication continue d'une baguette de bouts-filtres comportant des logements espaces contenant une matiere particulaire
DK079674A DK153354C (da) 1973-05-07 1974-02-15 Fremgangsmaade og apparat til fremstilling af sammensatte tobaksroegfiltre
GB989174A GB1431634A (en) 1973-05-07 1974-03-05 Manufacture of multiple tobacco-smoke filters
IT49035/74A IT1003705B (it) 1973-05-07 1974-03-05 Metodo ed apparecchiatura per fabbricare filtri per funo
FI786/74A FI58717C (fi) 1973-05-07 1974-03-15 Kontinuerligt foerfarande och anordning foer framstaellning av tobaksroekfilter
BR2527/74A BR7402527D0 (pt) 1973-05-07 1974-03-29 Processo e aparelho para fabricar multiplos para fumaca de tabaco
NL7405271A NL7405271A (da) 1973-05-07 1974-04-18
CH564774A CH577800A5 (da) 1973-05-07 1974-04-25
DE2421847A DE2421847A1 (de) 1973-05-07 1974-05-06 Verfahren und vorrichtung zur herstellung von mehrfach-tabakrauchfiltern

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00358126A US3844200A (en) 1973-05-07 1973-05-07 Continuous manufacture of a multiple filter rod having spaced pockets containing particulate material

Publications (1)

Publication Number Publication Date
US3844200A true US3844200A (en) 1974-10-29

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US00358126A Expired - Lifetime US3844200A (en) 1973-05-07 1973-05-07 Continuous manufacture of a multiple filter rod having spaced pockets containing particulate material

Country Status (14)

Country Link
US (1) US3844200A (da)
JP (1) JPS5147799B2 (da)
AU (1) AU467028B2 (da)
BE (1) BE810695A (da)
BR (1) BR7402527D0 (da)
CA (1) CA1000152A (da)
CH (1) CH577800A5 (da)
DE (1) DE2421847A1 (da)
DK (1) DK153354C (da)
FI (1) FI58717C (da)
GB (1) GB1431634A (da)
IT (1) IT1003705B (da)
NL (1) NL7405271A (da)
ZA (1) ZA738775B (da)

Cited By (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3943832A (en) * 1974-03-13 1976-03-16 Brown & Williamson Tobacco Corporation Method and apparatus for the handling of tow in the manufacture of tobacco smoke filters containing particulate material
US3957563A (en) * 1974-02-22 1976-05-18 Brown & Williamson Tobacco Corporation Method and apparatus for the manufacture of filter rods containing particulate material by a split rod technique
US4184412A (en) * 1977-03-18 1980-01-22 Liggett Group Inc. Pocket-type charcoal filter and cigarette made therewith
US4214508A (en) * 1977-10-13 1980-07-29 Philip Morris Incorporated Method and apparatus for making cigarette filters of filamentary material
US4285677A (en) * 1979-09-07 1981-08-25 Daicel Ltd. Method and apparatus for the manufacture of cigarette filters containing particulate material
US4862905A (en) * 1987-06-15 1989-09-05 R. J. Reynolds Tobacco Company Rods containing pelletized material
EP0482283A1 (en) * 1990-10-24 1992-04-29 SANJO MACHINE WORKS, Ltd. Cigarette filter rod, method and apparatus for producing the same
US5322495A (en) * 1992-04-27 1994-06-21 Philip Morris Incorporated High speed vacuum assisted free flowing material inserter in filter rod manufacture
US5339871A (en) * 1993-05-04 1994-08-23 Philip Morris Incorporated Apparatus and methods for transferring and metering granular material
US5542901A (en) * 1992-04-27 1996-08-06 Philip Morris Incorporated Vacuum arrangement on combiner
US5875824A (en) * 1996-08-06 1999-03-02 Atwell; Charles G. Method and apparatus for high speed delivery of particulate material
EP1156721A1 (en) * 1999-03-02 2001-11-28 Phillip Morris Products Inc. Method and apparatus for producing particle bearing filter rod
US6443160B1 (en) * 1998-12-15 2002-09-03 G.D. S.P.A. Method and device for forming a cigarette rod containing an additive material
US6656412B2 (en) 2001-08-17 2003-12-02 Philip Morris Incorporated Compaction system for particles in particle filled cavities of an article
US6723033B1 (en) 1999-03-02 2004-04-20 Philip Morris Incorporated Method and apparatus for producing particle bearing filter rod
US20040107973A1 (en) * 2002-12-09 2004-06-10 Atwell Charles Gary Foam injection device and method of filling cavities
EP1427634A1 (en) * 2001-08-17 2004-06-16 Philip Morris Products Inc. Dual station applicator wheels for filling cavities with metered amounts of particulate material
US20050282693A1 (en) * 2004-06-21 2005-12-22 Philip Morris Usa Inc. Method and apparatus for producing composite cigarette filters
US20060135335A1 (en) * 2004-12-22 2006-06-22 Philip Morris Usa Inc. Compound filter rod making apparatus and process
US20060252622A1 (en) * 2004-03-16 2006-11-09 Japan Tobacco Inc. Filter rod making machine
US20060293157A1 (en) * 2003-09-12 2006-12-28 R.J. Reynolds Tobacco Company Method and apparatus for incorporating objects into cigarette filters
US20070068540A1 (en) * 2005-09-23 2007-03-29 Thomas Timothy F Equipment for insertion of objects into smoking articles
US20080190439A1 (en) * 2004-12-03 2008-08-14 Serge Veluz Tobacco Smoke Filter Production
US20100184576A1 (en) * 2008-11-14 2010-07-22 Philip Morris Usa Inc. Method and apparatus for introducing objects into a smoking article
WO2011024105A1 (en) 2009-08-28 2011-03-03 Tobacco Research And Development Institute (Proprietary) Limited Filter rod maker
WO2011140430A1 (en) 2010-05-07 2011-11-10 R. J. Reynolds Tobacco Company Filtered cigarette with modifiable sensory characteristics
WO2012016051A2 (en) 2010-07-30 2012-02-02 R. J. Reynolds Tobacco Company Filter element comprising multifunctional fibrous smoke-altering material
WO2013043806A2 (en) 2011-09-23 2013-03-28 R. J. Reynolds Tobacco Company Mixed fiber product for use in the manufacture of cigarette filter elements and related methods, systems, and apparatuses
US20130337987A1 (en) * 2011-02-21 2013-12-19 Japan Tobacco Inc. Cigarette filter manufacturing apparatus and cigarette filter manufacturing method
US9055768B2 (en) 2011-03-25 2015-06-16 Hauni Maschinenbau Ag High speed object inserter and related methods
US9232820B2 (en) 2011-03-25 2016-01-12 Hauni Maschinenbau Ag High speed object inserter and related methods
US10575551B2 (en) 2012-08-20 2020-03-03 Altria Client Services Llc Rod forming apparatus
US11006662B1 (en) 2015-06-19 2021-05-18 Altria Client Services Llc Bead feed unit and method
CN115045040A (zh) * 2022-01-27 2022-09-13 黎明职业大学 一种用于鞋面材料的无纺布生产线及工艺
US11896049B2 (en) 2020-06-03 2024-02-13 International Tobacco Machinery Poland Sp. Z O. O. Method and apparatus for manufacturing of rods

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4016830A (en) * 1975-07-16 1977-04-12 Brown & Williamson Tobacco Corporation Apparatus for dispensing spaced deposits of particulate material
JPS61234771A (ja) * 1985-04-11 1986-10-20 日本たばこ産業株式会社 タバコフイルタの製造装置

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US2423554A (en) * 1940-02-19 1947-07-08 Davidson Glenn Method of and means for making mouthpiece cigarettes
US3312151A (en) * 1963-10-04 1967-04-04 Molins Organisation Ltd Apparatus for manufacturing composite filter plugs
US3357321A (en) * 1965-07-08 1967-12-12 Liggett & Myers Tobacco Co Apparatus and process for making multisectional filter tips for cigarettes
US3550508A (en) * 1968-10-28 1970-12-29 American Tobacco Co Method of making a composite filter
US3625118A (en) * 1968-02-16 1971-12-07 Molins Machine Co Ltd Manufacture of filters for cigarettes or like smoking articles

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GB1103091A (en) * 1963-06-27 1968-02-14 Cigarette Components Ltd Improvements in or relating to tobacco smoke filters
US3482488A (en) * 1968-01-12 1969-12-09 Brown & Williamson Tobacco Multiple filter manufacture
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US2423554A (en) * 1940-02-19 1947-07-08 Davidson Glenn Method of and means for making mouthpiece cigarettes
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US3357321A (en) * 1965-07-08 1967-12-12 Liggett & Myers Tobacco Co Apparatus and process for making multisectional filter tips for cigarettes
US3625118A (en) * 1968-02-16 1971-12-07 Molins Machine Co Ltd Manufacture of filters for cigarettes or like smoking articles
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Cited By (74)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3957563A (en) * 1974-02-22 1976-05-18 Brown & Williamson Tobacco Corporation Method and apparatus for the manufacture of filter rods containing particulate material by a split rod technique
US3943832A (en) * 1974-03-13 1976-03-16 Brown & Williamson Tobacco Corporation Method and apparatus for the handling of tow in the manufacture of tobacco smoke filters containing particulate material
US4184412A (en) * 1977-03-18 1980-01-22 Liggett Group Inc. Pocket-type charcoal filter and cigarette made therewith
US4214508A (en) * 1977-10-13 1980-07-29 Philip Morris Incorporated Method and apparatus for making cigarette filters of filamentary material
US4285677A (en) * 1979-09-07 1981-08-25 Daicel Ltd. Method and apparatus for the manufacture of cigarette filters containing particulate material
US4862905A (en) * 1987-06-15 1989-09-05 R. J. Reynolds Tobacco Company Rods containing pelletized material
EP0482283A1 (en) * 1990-10-24 1992-04-29 SANJO MACHINE WORKS, Ltd. Cigarette filter rod, method and apparatus for producing the same
US5542901A (en) * 1992-04-27 1996-08-06 Philip Morris Incorporated Vacuum arrangement on combiner
US5322495A (en) * 1992-04-27 1994-06-21 Philip Morris Incorporated High speed vacuum assisted free flowing material inserter in filter rod manufacture
US5339871A (en) * 1993-05-04 1994-08-23 Philip Morris Incorporated Apparatus and methods for transferring and metering granular material
EP0623291A1 (en) * 1993-05-04 1994-11-09 Philip Morris Products Inc. Apparatus and methods for transferring and metering granular material
US5875824A (en) * 1996-08-06 1999-03-02 Atwell; Charles G. Method and apparatus for high speed delivery of particulate material
US6443160B1 (en) * 1998-12-15 2002-09-03 G.D. S.P.A. Method and device for forming a cigarette rod containing an additive material
EP1156721A1 (en) * 1999-03-02 2001-11-28 Phillip Morris Products Inc. Method and apparatus for producing particle bearing filter rod
US6723033B1 (en) 1999-03-02 2004-04-20 Philip Morris Incorporated Method and apparatus for producing particle bearing filter rod
EP1156721A4 (en) * 1999-03-02 2009-06-17 Philip Morris Prod METHOD AND DEVICE FOR PRODUCING FILTER BARS WITH PARTICLES
US6656412B2 (en) 2001-08-17 2003-12-02 Philip Morris Incorporated Compaction system for particles in particle filled cavities of an article
EP1427634A1 (en) * 2001-08-17 2004-06-16 Philip Morris Products Inc. Dual station applicator wheels for filling cavities with metered amounts of particulate material
EP1427634A4 (en) * 2001-08-17 2009-12-30 Philip Morris Prod TWO WHEEL APPLICATION STATIONS FOR FILLING CAVITIES OF MEASURED QUANTITIES OF PARTICULATE MATERIAL
US20040107973A1 (en) * 2002-12-09 2004-06-10 Atwell Charles Gary Foam injection device and method of filling cavities
US8142339B2 (en) 2003-09-12 2012-03-27 R.J. Reynolds Tabacco Company Method and apparatus for incorporating objects into cigarette filters
US20060293157A1 (en) * 2003-09-12 2006-12-28 R.J. Reynolds Tobacco Company Method and apparatus for incorporating objects into cigarette filters
US9282768B2 (en) 2003-09-12 2016-03-15 R.J. Reynolds Tobacco Company Method and apparatus for incorporating objects into cigarette filters
US8512213B2 (en) 2003-09-12 2013-08-20 R.J. Reynolds Tobacco Company Method and apparatus for incorporating objects into cigarette filters
CN101797074B (zh) * 2003-09-12 2013-06-12 R.J.雷诺兹烟草公司 用于把物体装入卷烟过滤器里的方法
US20110059831A1 (en) * 2003-09-12 2011-03-10 R.J. Reynolds Tobacco Company Method and apparatus for incorporating objects into cigarette filters
US10188141B2 (en) 2003-09-12 2019-01-29 R.J. Reynolds Tobacco Company Method and apparatus for incorporating objects into cigarette filters
US7833146B2 (en) 2003-09-12 2010-11-16 R.J. Reynolds Tobacco Company Method and apparatus for incorporating objects into cigarette filters
US7654945B2 (en) 2003-09-12 2010-02-02 R.J. Reynolds Tobacco Company Method and apparatus for incorporating objects into cigarette filters
US20060252622A1 (en) * 2004-03-16 2006-11-09 Japan Tobacco Inc. Filter rod making machine
US7547271B2 (en) * 2004-03-16 2009-06-16 Japan Tobacco Inc. Filter rod making machine
US8337374B2 (en) * 2004-06-21 2012-12-25 Philip Morris Usa Inc. Method and apparatus for producing composite cigarette filters
US20050282693A1 (en) * 2004-06-21 2005-12-22 Philip Morris Usa Inc. Method and apparatus for producing composite cigarette filters
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BE810695A (fr) 1974-05-29
NL7405271A (da) 1974-11-11
JPS49134899A (da) 1974-12-25
JPS5147799B2 (da) 1976-12-16
AU467028B2 (en) 1975-11-13
AU6317073A (en) 1975-06-05
GB1431634A (en) 1976-04-14
FI58717C (fi) 1981-04-10
DE2421847A1 (de) 1974-12-05
DK153354C (da) 1988-11-28
CA1000152A (en) 1976-11-23
FI58717B (fi) 1980-12-31
CH577800A5 (da) 1976-07-30
IT1003705B (it) 1976-06-10
BR7402527D0 (pt) 1974-11-19
DK153354B (da) 1988-07-11
ZA738775B (en) 1974-10-30

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