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US3420243A - Apparatus for making filter tip cigarettes - Google Patents

Apparatus for making filter tip cigarettes Download PDF

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Publication number
US3420243A
US3420243A US607539A US3420243DA US3420243A US 3420243 A US3420243 A US 3420243A US 607539 A US607539 A US 607539A US 3420243D A US3420243D A US 3420243DA US 3420243 A US3420243 A US 3420243A
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US
United States
Prior art keywords
drum
cigarette
shoe
rolling
section
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
US607539A
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English (en)
Inventor
Colin Shaw Mcarthur
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
Application filed by RJ Reynolds Tobacco Co filed Critical RJ Reynolds Tobacco Co
Application granted granted Critical
Publication of US3420243A publication Critical patent/US3420243A/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
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/47—Attaching filters or mouthpieces to cigars or cigarettes, e.g. inserting filters into cigarettes or their mouthpieces
    • A24C5/471—Attaching filters or mouthpieces to cigars or cigarettes, e.g. inserting filters into cigarettes or their mouthpieces by means of a connecting band
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/17—Surface bonding means and/or assemblymeans with work feeding or handling means
    • Y10T156/1798—Surface bonding means and/or assemblymeans with work feeding or handling means with liquid adhesive or adhesive activator applying means

Definitions

  • the bond is set by drying the liquid bonding agent after the connection is completed.
  • the handling of the tipping maerial coated with the liquid bonding agent entails some spilling of the bonding material, with the resultant necessity to stop the machine occasionally to clean up the spilled material.
  • the present invention uses patches of tipping material coated with heat-activatable bonding material. It overcomes the difiiculties encountered in the prior art by first tacking one edge of a heated patch of bonding material to an assembled cigarette and filter unit. This tacking is accomplished without any immediately following attempt to roll the cigarette and to wrap it in the tipping material. The cigarette then travels along an unheated path for a distance sufiicient to cool the bonding material and allow the initial tack to set.
  • the cigarette is rolled through a partial revolution so as to bring the initial tack to an angular position where it is out of alignment with a heating shoe that is next engaged by the cigarette and is effective to roll it through a plurality of revolutions, thereby heating the bonding material and making it tacky throughout the patch of tipping material.
  • cigarette is rolled over another unheated rolling shoe which is effective to cool the bonding material and set the bond.
  • FIG. 1 is a somewhat diagrammatic view illustrating the apparatus and method of the invention
  • FIG. 2 is a series of four successive perspective views of a cigarette unit as it is handled in the apparatus and method of the invention
  • FIG. 3 is an enlarged cross-sectional view of a patch heating drum forming part of the apparatus of the invention
  • FIG. 4- is an enlarged view partly in perspective, taken from below, and partly in central cross-section, showing the rolling shoe of FIG. 1;
  • FIG. 5 is an enlarged cross-sectional view showing the initial contact between the cigarette units on a transfer drum and the patches on the patch heating drum;
  • FIG. 6 is a view similar to FIG. 5, showing the cigarette unit with tack patch connected, moving along the transfer drum after separation from the heating drum;
  • FIG. 7 shows the assembled unit on the periphery of the rolling drum
  • FIG. 8 is a view showing the cigarette on the periphery of the rolling drum as it rnoves into contact with the initial section of the rolling shoe;
  • FIG. 9 is a view similar to FIG. 8, but showing the cigarette as it passes the end of the initial section of the rolling shoe;
  • FIG. 10 is a view similar to FIG. 9, showing the movement of the cigarette as it passes under the heated section of the rolling shoe.
  • the apparatus illustrated in FIG. 1 includes a tipping material heating drum 1, a cutter 2, cooperating with that drum, a transfer drum 3 to which assembled filter cigarette units are supplied by conventional apparatus, not shown, a rolling drum 5 and a rolling shoe cooperating with the rolling drum and generally indicated at 6.
  • the tipping material is supplied as a strip or sheet, as illustrated at 7, and passes around the periphery of the heating drum 1.
  • the material 7 is coated on its outer surface with a suitable heat-activatable bonding material, e.g., one of the vinyl acetate acryliccopolyrners.
  • the drum 1 is provided with spaced apertures 1a which communicate with an evacuated chamber, and which are effective to hold the strip material 7 on the surface of the drum.
  • the drum 1 cooperates with a cutter 2 which cuts the strip material into patches 8, each big enough to wrap a single cigarette.
  • the drum 1 is operated at a peripheral speed slightly greater than the linear speed of the supply of the strip material 7 so that the patches 8 become separated on the surface of the drum 1, as shown.
  • Each cigarette unit 11 typically consists of a double length filter section, as shown at 9 in FIG. 2 and two cigarette rod sections 10, with each cigarette rod section having one of its ends abutting an end of the filter section 9.
  • the term cigarette unit as used in this specification is intended to be generic to: (a) such a double length unit; and (b) single length units as shown at 13.
  • the transfer drum 3 and the heater drum 1 are so mounted and spaced that each cigarette unit 11, which is held in a recess 3:: by vacuum means on the periphery of the transfer drum 3, touches tangentially and with light pressure the leading edge of one of the patches 8 carried by the heater drum 1.
  • the apertures 1a under that leading edge pass out of communication with a vacuum manifold 12 so that the tipping patch, whose heat-activatable bonding material has become tacky by the effect of the heat of the drum 1, sticks to the abutting cigarette unit along one elongated cylindrical element thereof.
  • the patch is gradually released from the heater drum as the rotation of that drum and the transfer drum continues, so that the cigarette unit 11 continues with the periphery of the transfer drum 3, having the patch 8 attached thereto and following behind it.
  • the transfer drum 3 cooperates tangentially with a rolling drum 5 also provided with recesses 5a to receive cigarette units.
  • Each recess 5a communicates with a passage 5b, in which a vacuum is maintained to hold the cigarette units on the periphery of the drum.
  • the recesses 5a are somewhat shallower than corresponding recesses 3a on the transfer drum, so as to make it easier for the rolling mechanism to begin to roll a cigarette unit out of one of the recesses 5a.
  • the depth of each recess 5a is about 0.015".
  • the rolling shoe 6 which comprises an initial unheated section 6a separated by an insulating spacer 6b from a heated rolling section 6c.
  • the section 6c and the opposite end of the shoe are separated by another heat insulating spacer 6d from a third, unheated rolling shoe section 6e.
  • the heated shoe section 6c is somewhat narrower than the unheated sections 6a and 6e, being just slightly wider than the patch 8 which it is intended to heat.
  • the section 60 is flanked on either side by another unheated section 6 one of which is shown in FIG. 4, so that the entire length of the cigarette unit is rolled evenly, while only the patch 8 is subjected to heat.
  • the bottom of the shoe 6 is provided with a plurality of ridges 6g, extending parallel to the axis of rotation of drum 5.
  • the ridges 6g are spaced apart along the arcuate surface of the shoe 6, so that the central angle at the axis of drum 5, between radii drawn to the centers of successive ridges, is equal to the central angle between the centers of successive recesses 5a.
  • the ridges 6g project from the surface of shoe 6 by a distance slightly greater than the depth of a recess 5a.
  • each ridge 6g is to engage the periphery of a passing cigarette unit resting in one of the recesses 5a, and start it rolling out of that recess, and between the periphery of the drum 5 and the arcuate surface of the shoe 6.
  • the ridges 6g are preferably provided with angular edges, as shown, to give them a good grip on the periphcries of passing cigarettes.
  • the first ridge 6g is at the leading edge of the shoe section 6a, and the locations of the others are determined by the angular relationship described above. With this spacing of the ridges, each time that a cigarette falls into a recess 5a, it soon thereafter encounters a ridge effective to roll out of that recess.
  • the spacers 6b and 6d may either be of solid, heat insulating material, or may simply be an air space, which has adequate heat insulating qualities for the purpose. Where an air space is used, the ends of the cigarette unit, being rolled between the drum and the unheated sections 6 of the shoe 6, keep the cigarette rolling as it crosses the gap at the spacers 6b and 6d.
  • the shoe 6 is separated from the periphery of drum 5 by a distance slightly less than the diameter of a cigarette unit, so that when the cigarette unit 11 encounters the initial shoe section 6a, it is rolled out of its associated recess 5a, by ridge 6g, as shown in FIG. 8.
  • the vacuum in the passage 5b is released at the same time, by conventional means.
  • the peripheral length of the sec tion 6a is suflicient so that when the cigarette reaches the end of section 6a, it has rotated more than one half revolution, and the tack at its leading edge has passed beyond the point of contact with the rolling shoe 6. (See FIG. 9).
  • the cigarette unit After passing the insulating section 6b, the cigarette unit encounters heated shoe section 60, which is effective to roll the cigarette through a plurality of revolutions, at the same time heating the cigarette and making the bonding material on the inner surface of the patch tacky so that it sticks to the cigarette rod section and the filter section. During this heating, the cigarette unit is always firmly held between the drum 5 and the shoe 6, so that the patch cannot come loose. After the cigarette unit passes the heater section 60 of the rolling shoe, it then passes the insulator section 6d of the cooling section 62, where the cigarette is further rolled for a plurality of revolutions.
  • the heat-activatable material is set by the cooling action of the shoe.
  • the vacuum is again restored to the passages 5b, so that the cigarettes are held by the vacuum in the nearest groove 5a and pass to further manufacturing operations, which commonly include cutting each unit into two individual cigarettes 13, as shown at the bottom of FIG. 2.
  • This figure illustrates the heating drum 1 which iu cludes an outer cylinder shell of hard-resistant material, for example, tungsten carbide, shown generally at 14.
  • the passages 1a are arranged in rows, and each row communicates with a passage 15 that extends axially of the drum.
  • the axial passages communicate, during a portion of their rotation, with a manifold 12 mounted on a fixed support 16, and connected by means of a conduit 17 to a suitable source of subatrnospheric pressure.
  • the outer shell 14 is mounted on an inner shell 18 which is in turn mounted by means of bolts 19 to a flange 20 attached to the end of a driving shaft 21.
  • thermocouple 27 On the right-hand outer face of the inner shell 18 is mounted an insulating plate 22, which may be of suitable plastic material, and in which are embedded two sets of slip rings 23 and 24.
  • the slip rings 24 communicate through wires 25 with a heater winding 26 located internally of the shell 18.
  • a thermocouple 27, or other suitable temperature sensitive element is embedded in the shell 18 and connected through suitable wires to the other set of slip rings 23. Brushes (not shown) cooperate with the slip rings 23 and 24.
  • the temperature indicated by the thermocouple 27 may be used to control the current to the heater winding 26 and alternatively, the temperature indication from thermocouple 27 may be used simply to operate an indicator or recorder, and the current flow to the winding 26 may be manually controlled.
  • the heater section 60 of the rolling shoe 6 is provided with a heater winding 28 and with a temperature measuring thermocouple 29.
  • the thermocouple 29 may be used for purposes analogous to those of the thermocouple 27 discussed above.
  • Apparatus for connecting a filter tip to a cigarette comprising:
  • each unit including a section of cigarette rod and a section of filter rod having one of its ends abutting an end of the cigarette rod section;
  • (c) means to apply the leading edge of each heated patch to the periphery of an assembled, unheated cigarette unit, with the patch spanning the abutting rod ends, thereby locally cooling and setting the adhesive along said leading edge and attaching the patch to the unit along a linear element thereof;
  • (e) second rolling means including:
  • a second heating means positioned to engage initially a locality of the unit spaced peripherally thereof from said linear element
  • said patch heating means comprises a heated drum and vacuum means to hold the patches on the surface of the drum with their coated surfaces outward.
  • said first rolling means comprises:
  • unheated shoe means having a surface concentric with and spaced radially outwardly from the periphery of the rolling drum and means efiective to engage units in said recesses and roll them along the drum periphery, regardless of the retaining effect of the vacuum means.
  • said second rolling means comprises a heated second shoe means separated circumferentially relative to said rolling drum from said unheated shoe means by a heat insulating space, and cooperating with cigarette units leaving said unheated shoe means and traveling on the periphery of said rolling 6 drum to continue the rolling of said units for a plurality of revolutions while heating them.
  • said second rolling means further comprises a third shoe means separated circumferentially relative to the periphery of the rolling drum from said heated second shoe means and cooperating with cigarette units leaving the heated second shoe means to continue the rolling of said units, said third shoe means being unheated and effective to cool and set the adhesive on said units.
  • Apparatus for wrapping an assembled cigarette unit including a section of cigarette rod and a section of filter rod, within a patch of sheet material coated with heat-activatable bonding materials, comprising:
  • first shoe means spaced radially outwardly from the periphery of the drum, said first shoe means being unheated, and being adapted to engage cigarette units on the drum periphery and roll them through a partial revolution as the drum rotates;
  • second shoe means spaced radially outwardly from the periphery of the drum and circumferentially relative to the drum, in the direction of rotation thereof from said first shoe means, and adapted to roll said units through a plurality of revolutions;
  • third shoe means spaced radially outwardly from the periphery of the drum and circumferentially relative to the drum in the direction of rotation thereof, from said second shoe means, said third shoe means being unheated and adapted to engage cigarette units leaving said second shoe means and effective to roll said cigarette units through a plurality of revolutions.
  • first, second and third shoe means comprises a unitary shoe with first, second and third sections corresponding respectively to said three shoe means and separated from one another by heat insulating spaces.
  • Rolling shoe means for use in apparatus for wrapping cigarette units in patches coated with heat-activatable bonding material, wherein the improvement comprises:

Landscapes

  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
US607539A 1967-01-05 1967-01-05 Apparatus for making filter tip cigarettes Expired - Lifetime US3420243A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US60753967A 1967-01-05 1967-01-05

Publications (1)

Publication Number Publication Date
US3420243A true US3420243A (en) 1969-01-07

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ID=24432722

Family Applications (1)

Application Number Title Priority Date Filing Date
US607539A Expired - Lifetime US3420243A (en) 1967-01-05 1967-01-05 Apparatus for making filter tip cigarettes

Country Status (9)

Country Link
US (1) US3420243A (xx)
AT (1) AT285400B (xx)
BE (1) BE708931A (xx)
CH (1) CH486855A (xx)
DE (1) DE1657264A1 (xx)
FR (1) FR1550686A (xx)
GB (1) GB1147380A (xx)
NL (1) NL6800232A (xx)
SE (1) SE341976B (xx)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3527234A (en) * 1966-05-20 1970-09-08 Hauni Werke Koerber & Co Kg Apparatus for convoluting uniting bands around rod-shaped articles
US3794048A (en) * 1970-09-17 1974-02-26 Molins Ltd Wrapping rod-like smoking articles
US3933159A (en) * 1971-02-09 1976-01-20 Molins Limited Manufacture of mouthpiece cigarettes
US4003386A (en) * 1974-04-19 1977-01-18 Maschinenfabrik Alfred Schmermund Device for securing tips to rod-shaped articles such as cigarettes
US4111740A (en) * 1976-02-28 1978-09-05 Molins Limited Apparatus for joining axially abutting rods of the cigarette industry
DE2816165A1 (de) * 1978-04-14 1979-10-25 Hauni Werke Koerber & Co Kg Verfahren und anordnung zum verkleben einer umhuellung fuer rauchartikel oder filter
EP0017794A1 (en) * 1979-04-11 1980-10-29 RJR Archer, Inc. Tipping paper for an air-ventilated smoking product and method of manufacturing same
US4262680A (en) * 1979-09-05 1981-04-21 Hauni-Werke Korber & Co. Kg. Method and apparatus for attaching filter plugs to cigarettes or the like
DE3144231A1 (de) * 1980-11-17 1982-08-05 G.D. S.p.A., 40100 Bologna Vorrichtung zum anbringen von filtern an zigaretten
US4411279A (en) * 1980-06-02 1983-10-25 R. J. Reynolds Tobacco Company Smoking product and process for manufacturing same
US4840266A (en) * 1987-05-15 1989-06-20 Sasib S.P.A. Method and device for controlling the vacuum in a succession of suction conveyors
EP1247464A2 (de) * 2001-04-06 2002-10-09 Hauni Maschinenbau AG Transportmittel für die tabakverarbeitende Industrie
KR20150111355A (ko) 2013-01-31 2015-10-05 필립모리스 프로덕츠 에스.에이. 로드 형상 물품 주위에 포장 물질 시트를 포장하기 위한 장치 및 방법

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3006510A1 (de) * 1980-02-21 1981-09-10 Hauni-Werke Körber & Co KG, 2050 Hamburg Verfahren und anordnung zum vereinigen von rauchartikeln mit mundstuecken
US4527570A (en) * 1983-10-12 1985-07-09 Brown & Williamson Tobacco Corporation Device for manufacturing a mouthpiece and attaching mouthpieces to cigarette tobacco columns
GB201609407D0 (en) 2016-05-27 2016-07-13 British American Tobacco Co Apparatus and method for manufacturing tobacco industry products
GB201609409D0 (en) 2016-05-27 2016-07-13 British American Tobacco Co Apparatus and method for manufacturing tobacco industry products

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH345287A (fr) * 1956-07-16 1960-03-15 Molins Machine Co Ltd Machine pour la fabrication de cigarettes à embout
US2984245A (en) * 1958-06-26 1961-05-16 American Mach & Foundry Cigarette making machine uniting band conveying drum
US3094128A (en) * 1958-10-27 1963-06-18 American Mach & Foundry Mouthpiece cigarette making machine
DE1183000B (de) * 1962-07-27 1964-12-03 Zd Y V I Plzen Narodni Podnik Vorrichtung zum Umwickeln von Zigaretten und Filtereinheiten mit einem Verbindungsblaettchen fuer das Herstellen von Filterzigaretten

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH345287A (fr) * 1956-07-16 1960-03-15 Molins Machine Co Ltd Machine pour la fabrication de cigarettes à embout
US2984245A (en) * 1958-06-26 1961-05-16 American Mach & Foundry Cigarette making machine uniting band conveying drum
US3094128A (en) * 1958-10-27 1963-06-18 American Mach & Foundry Mouthpiece cigarette making machine
DE1183000B (de) * 1962-07-27 1964-12-03 Zd Y V I Plzen Narodni Podnik Vorrichtung zum Umwickeln von Zigaretten und Filtereinheiten mit einem Verbindungsblaettchen fuer das Herstellen von Filterzigaretten

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3527234A (en) * 1966-05-20 1970-09-08 Hauni Werke Koerber & Co Kg Apparatus for convoluting uniting bands around rod-shaped articles
US3794048A (en) * 1970-09-17 1974-02-26 Molins Ltd Wrapping rod-like smoking articles
US3933159A (en) * 1971-02-09 1976-01-20 Molins Limited Manufacture of mouthpiece cigarettes
US4003386A (en) * 1974-04-19 1977-01-18 Maschinenfabrik Alfred Schmermund Device for securing tips to rod-shaped articles such as cigarettes
US4111740A (en) * 1976-02-28 1978-09-05 Molins Limited Apparatus for joining axially abutting rods of the cigarette industry
US4265255A (en) * 1978-04-14 1981-05-05 Hauni-Werke Korber & Co. Kg. Method and machine for processing webs of cigarette paper or the like
DE2816165A1 (de) * 1978-04-14 1979-10-25 Hauni Werke Koerber & Co Kg Verfahren und anordnung zum verkleben einer umhuellung fuer rauchartikel oder filter
EP0017794A1 (en) * 1979-04-11 1980-10-29 RJR Archer, Inc. Tipping paper for an air-ventilated smoking product and method of manufacturing same
US4295478A (en) * 1979-04-11 1981-10-20 Rjr Archer, Inc. Composite tipping structure for use on an air-ventilated cigarette and method of manufacturing same
US4262680A (en) * 1979-09-05 1981-04-21 Hauni-Werke Korber & Co. Kg. Method and apparatus for attaching filter plugs to cigarettes or the like
US4411279A (en) * 1980-06-02 1983-10-25 R. J. Reynolds Tobacco Company Smoking product and process for manufacturing same
DE3144231A1 (de) * 1980-11-17 1982-08-05 G.D. S.p.A., 40100 Bologna Vorrichtung zum anbringen von filtern an zigaretten
US4840266A (en) * 1987-05-15 1989-06-20 Sasib S.P.A. Method and device for controlling the vacuum in a succession of suction conveyors
EP1247464A2 (de) * 2001-04-06 2002-10-09 Hauni Maschinenbau AG Transportmittel für die tabakverarbeitende Industrie
EP1247464A3 (de) * 2001-04-06 2004-05-26 Hauni Maschinenbau AG Transportmittel für die tabakverarbeitende Industrie
KR20150111355A (ko) 2013-01-31 2015-10-05 필립모리스 프로덕츠 에스.에이. 로드 형상 물품 주위에 포장 물질 시트를 포장하기 위한 장치 및 방법

Also Published As

Publication number Publication date
CH486855A (de) 1970-03-15
DE1657264A1 (de) 1971-02-11
BE708931A (xx) 1968-07-03
FR1550686A (xx) 1968-12-20
NL6800232A (xx) 1968-07-08
AT285400B (de) 1970-10-27
GB1147380A (en) 1969-04-02
SE341976B (xx) 1972-01-24

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